JP2001041460A - Gas heater/cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To generate strong fire force while enhancing heating efficiency by providing a combustion chamber opening upward and receiving a cooking pan in a flat housing mountable on a table, placing a gas burner in the combustion chamber and providing an exhaust tube in the center of the cooking pan while penetrating it vertically. SOLUTION: Housing 1 of a gas heater/cooker is formed into a flat box having a relatively low height, a combustion chamber 2 opening upward is provided substantially in the center of the housing 1 and a gas burner 3 is disposed in the combustion chamber 2. A cooking pan 4 for roasting meat is placed in the upper surface opening of the combustion chamber 2 while covering the upper surface opening. A tube 5 for exhausting combustion gas of the gas burner 3 is stood from the center of the cooking pan 4 and a temperature sensor S for detecting the temperature of the cooking pan 4 by touching the lower surface thereof is fixed to the outer circumference of the combustion chamber 2. Based on the detection signal of the temperature sensor S, gas flow rate.is controlled through a thermo valve 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas heating cooker which can be placed on a table or the like to cook teppanyaki, yakiniku, pots and the like.

[0002]

2. Description of the Related Art In general, when an iron plate is grilled on a table such as a dining table, an electric heating cooker called a so-called hot plate is used.

In the case of using a gas appliance, a cooking pot for grilling iron, grilling meat, cooking pot, etc. is placed on a gas stove placed on a table, and the cooking pot is heated by burning gas. I was cooking.

[0004]

In the case of using an electric heating cooker called a so-called hot plate as described above, the heating power is weaker and the starting time is slower than that of a gas cooker. There's a problem.

In the case of using the latter gas stove, the heat power is strong and the rise is fast, but there are the following problems.

[0006] When cooking with a cooking pot placed on the gas stove, there is a problem that hands are hot when taking something in the cooking pot because combustion gas flows around the cooking pot.

[0007] In the case of a cooking pot for cooking pots, it is heated by the combustion gas up to the upper portion of the cooking pot and becomes hot, so that there is a problem that when the udon or vermicelli is pulled up, it gets stuck and burns.

When a cooking pot larger than a gas stove is placed,
The table surface may be discolored or scorched by the radiant heat, or the gas rubber tube may be deteriorated. Also, cocks, valves, thermocouples, etc. of the gas stove may be abnormally heated, resulting in failure or gas leakage.

[0009] The present invention has been made in view of the above points, and it is an object of the present invention to provide a gas heating cooker which is strong in heat power, has a fast start-up, and can be used conveniently and safely.

[0010]

According to a first aspect of the present invention, there is provided a gas heating cooker in which a top surface is opened in a flat casing 1 which can be placed on a table or the like. A gas burner 3 is provided in the combustion chamber 2 while the chamber 2 is provided,
A cooking pot 4 is arranged so as to cover an upper opening of the combustion chamber 2, and an exhaust pipe 5 for exhausting combustion gas from a gas burner 3 in the combustion chamber 2.
Is provided at the center of the cooking pot 4 so as to penetrate vertically. Cooking can be performed by heating the cooking pot 4 by burning it with the gas burner 3. The combustion gas of the gas burner 3 in the combustion chamber 2 can be exhausted upward from the central exhaust pipe 5. At this time, since the food can be cooked by the heat of the gas, the heat is strong and the rise is quick. Further, the cooking pot 4 is arranged so as to cover the upper opening of the combustion chamber 2, and the combustion gas flows to the outer periphery of the cooking pot 4 when cooking in the cooking pot 4 because the combustion gas is exhausted from the central exhaust pipe 5. So that the hands do not get hot when taking things in the cooking pot 4. In particular, the hand does not become hot even if food is taken from any surrounding direction to exhaust the combustion gas from the central exhaust pipe 5. In the case of a cooking pot 4 for a pot, the cooking pot 4
It is no longer heated to the upper part by the combustion gas, and there is no problem of sticking or burning when pulling udon or vermicelli. In addition, the table surface may be discolored by radiant heat from the cooking pot 4 as in the related art,
There is no possibility that the gas rubber tube is deteriorated, and there is no possibility that the cock, the valve, the thermocouple, etc. are abnormally overheated and cause a failure or gas leakage.

The gas heating cooker according to claim 2 of the present invention is provided with a temperature sensor S for detecting the temperature of the cooking pot 4 and a thermo dial 6 for setting the temperature. It is characterized in that a thermo valve 7 for controlling a gas flow rate supplied to the gas burner 3 so that the cooking pot 4 is heated to a set temperature is provided. Even the one heated by the gas burner 3 can be heated so that the cooking pot 4 has a predetermined temperature and can be heated at an appropriate temperature. In particular, when performing teppanyaki or grilled meat in the cooking pot 4, if the temperature is controlled to a temperature of 180 ° C to 210 ° C, cooking can be performed comfortably without generating smoke.

The gas heating cooker according to a third aspect of the present invention is the gas heating cooker according to the second aspect, wherein the temperature sensor S is provided with a gas burner 3.
It is characterized in that a heat shield cover 8 is attached to the temperature sensor S in order to prevent heat from being applied. The heat from the gas burner 3 does not hit the temperature sensor S, the temperature of the cooking pot 4 can be accurately detected, and the cooking pot 4 can be accurately heated to the set temperature.

A gas heating cooker according to a fourth aspect of the present invention is characterized in that, in any one of the first to third aspects, the cooking pot 4 is formed of a carbon plate material. The cooking pot 4 has a heat storage property, so that it can be grilled evenly and non-burning when grilling on an iron plate or grilling meat, and can be deliciously grilled.

According to a fifth aspect of the present invention, there is provided a gas heating cooker according to any one of the first to fourth aspects.
Is characterized in that it has an air insulation structure that blocks heat by passing air around the combustion chamber 2. The surroundings of the housing 1 can be prevented from being heated by the heat from the gas burner 3 and can be used comfortably.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a housing 1 serving as a main body of a gas heating cooker is formed in a flat box shape having a relatively low vertical height, and an iron plate or the like as in a normal gas stove. Formed of a metal plate. A leg 9 is provided on the lower surface of the housing 1, and the leg 9 is provided so that the leg 9 can be placed on a table or the like like a normal gas stove. A combustion chamber 2 having an open upper surface is provided substantially at the center of the housing 1, and a gas burner 3 burning in the combustion chamber 2 is provided in the combustion chamber 2.
Is arranged. In the case of this example, the combustion chamber 2 is circular, but may be square or the like. An air insulation layer 11 is provided between the housing 1 and the inner box 10 forming the combustion chamber 2,
An air insulation structure is provided so that the heat of the gas burner 3 is not transmitted to the outside. An air inflow hole 12 is provided in the lower surface of the housing 1, an air outflow hole 13 is provided in an upper portion of the outer periphery of the housing 1, and a communication hole 14 is formed in the bottom surface of the inner box 10. The air that has flowed in from the air inflow hole 12 enters the air insulation layer 11 and flows out of the air outflow hole 13, and a part of the air that has flowed in from the air inflow hole 12 passes through the communication hole 14 through the combustion chamber. 2 and is supplied to the gas burner 3 as secondary air for combustion.

A gas inlet 15 is provided on the outer periphery of the housing 1, and a gas rubber tube or the like can be connected to the gas inlet 15. The gas inlet 15 and the gas burner 3
A gas supply pipe 16 is provided between the gas supply pipe and the gas supply pipe 16 so that gas can be supplied from the gas supply pipe 16 to the mixing pipe 17 of the gas burner 3. A gas cock 18 is disposed in the middle of the gas supply pipe 16.
0 protrudes from the outer surface serving as the front surface of the housing 1. A spark rod 21 and a thermocouple 22 are disposed on the gas burner 3, and the spark rod 21 and the thermocouple 22 are electrically connected to the gas cock 18. The spark rod 21 emits an ignition spark by operating the operation knob 20 to ignite the gas burner 3. The ignition power supply may be a piezoelectric element, an AC commercial power supply, or a dry cell. The thermocouple 22 detects the presence / absence of combustion. The thermocouple 22 can detect the combustion and can hold the open state of the gas cock 18 by itself, so that the thermocouple 22 operates as a safety device for extinguishing.

At the upper opening of the combustion chamber 2 of the housing 1, a cooking pot 4 is placed so as to cover the upper opening. In the case of the present example, the plate is grilled or grilled, and as shown in FIG. 2, is formed in a round plate shape having a rising edge 23 having a relatively low height on the periphery. In the center of the cooking pot 4 is a gas burner 3
The exhaust pipe 5 for exhausting the combustion gas is formed so as to rise upward, and the exhaust pipe 5 penetrates vertically. The cooking pot 4 is made of, for example, a carbon plate material of 100% carbon. Of course, cooking pot 4 is made of copper, iron, aluminum, stainless steel, ceramic mix,
It may be formed of anything such as pottery. A temperature sensor S for detecting the temperature of the cooking pot 4 in contact with the lower surface of the cooking pot 4 is mounted on the outer periphery of the combustion chamber 2. A heat shield cover 8 for preventing heat of the gas burner 3 from hitting the temperature sensor S is arranged around the temperature sensor S, and the heat shield cover 8 is attached to the inner box 10. A thermo valve 7 is provided between the gas cock 18 and the gas burner 3 in the gas supply pipe 16.
And the flow rate of gas supplied to the gas burner 3 can be controlled by the thermo valve 7. At the position of the thermo valve 7, a thermo dial 6 is provided on the outer surface on the front side of the housing 1, and the temperature can be set by operating the thermo dial 6. The thermo valve 7 and the temperature sensor S are electrically connected. Thereby, the temperature of the cooking pot 4 is detected, and the flow rate of the gas supplied to the gas burner 3 can be controlled by the thermo valve 3 so that the cooking pot 4 is heated to the temperature set by the thermo dial 6.

The gas heating cooker constructed as described above can heat the cooking pot 4 by burning it with the gas burner 3 and cook the food F placed on the cooking pot 4. In the case of this example, the cooking pot 4 has a low dish shape with a rising edge 23 around the periphery, and cooking such as teppanyaki and grilled meat is performed. At this time, since the food can be cooked by the heat of the gas, the heat is strong and the rise is quick. Further, the cooking pot 4 is disposed so as to cover the upper opening of the combustion chamber 2, and the combustion gas generated by the combustion of the gas burner 3 is exhausted from the central exhaust pipe 5. It does not flow to the outer periphery of the pan 4, so that when taking something in the cooking pan 4, the hand does not become hot. In particular, the hand does not become hot even if the food F is taken from any surrounding direction in order to exhaust the combustion gas from the central exhaust pipe 5.

As described above, cooking is performed by heating the cooking pot 4 by burning the gas burner 3. The temperature at which the cooking pot 4 is heated is set to a predetermined temperature by operating the thermo dial 6. At this time, the temperature of the cooking pot 4 is detected by the temperature sensor S, and the thermo valve 3 is controlled at the detected temperature to heat the cooking pot 4 to a predetermined temperature set by the thermo dial 6. Thus, even the one heated by the gas burner 3 can be heated so that the cooking pot 4 has a predetermined temperature, and can be heated at an appropriate temperature. Especially when cooking with teppanyaki or yakiniku in cooking pot 4, 180
When the temperature is controlled at a temperature of from ℃ to 210 ℃, it is possible to cook comfortably without generating smoke. Further, even when the temperature of the cooking pot 4 is detected by the temperature sensor S disposed in the combustion chamber 2, the heat from the gas burner 3 can be prevented from hitting the temperature sensor S by the heat shield cover 8 and the temperature of the cooking pot 4 can be accurately determined. And the cooking pot 4 can be accurately heated to the set temperature.

As described above, various materials can be considered as the material of the cooking pot 4, but when the cooking pot 4 is formed of a carbon plate material, the cooking pot 4 has a heat storage property,
When performing teppanyaki grilled meat, it can be grilled evenly and without burning, and can be grilled deliciously. Further, the air flowing from the air inflow hole 12 enters the air heat insulating layer 11 and flows out of the air outflow hole 13. The air flows around the combustion chamber 2 of the housing 1 to shut off heat. The heat insulation structure prevents the surroundings of the housing 1 from being heated by the heat from the gas burner 3 and can be used comfortably. Part of the air that has flowed in from the air inflow hole 12 flows into the combustion chamber 2 through the communication hole 14 and is supplied as secondary air for combustion to the gas burner 3.
, The secondary air for combustion is supplied smoothly.

Further, in the above-mentioned example, the cooking pot 4 having a relatively small height of the rising edge 23 at the periphery is used and grilled meat or grilled meat is described. However, as shown in FIG. It is also possible to provide a high rising edge 23 to form a deep pot. When such a cooking pot 4 is used, it can be used for cooking pot dishes such as shabu-shabu.

[0022]

According to the first aspect of the present invention, a combustion chamber having an open upper surface is provided in a flat casing which can be placed on a table or the like, and a gas burner is disposed in the combustion chamber. The cooking pot is placed so as to cover the top opening, and the exhaust pipe that exhausts the combustion gas from the gas burner in the combustion chamber is provided vertically through the center of the cooking pot, so that the cooking pot is heated by burning with the gas burner Cooking can be performed, and the combustion gas of the gas burner in the combustion chamber can be discharged upward from the central exhaust pipe. And the cooking pot is arranged so as to cover the upper opening of the combustion chamber, and the combustion gas flows to the outer periphery of the cooking pot when cooking in the cooking pot because the combustion gas is exhausted from the central exhaust pipe. But In addition, your hands will not become hot when you take things in the cooking pot, especially if you take food from any direction around you to exhaust combustion gas from the central exhaust pipe In addition, in the case of a cooking pot for pots, there is no problem that the combustion gas will not be heated up to the top of the cooking pot, and when pulling udon or vermicelli etc., it will stick or burn. There is no risk of discoloration of the table surface or deterioration of the gas rubber tube due to the radiant heat from the cooking pot as in the past, and failure or gas failure due to abnormal overheating of the cock, valve, thermocouple, etc. There is no risk of leakage.

[0023] The invention of claim 2 of the present invention is characterized by claim 1
In the, provided with a temperature sensor to detect the temperature of the cooking pot and a thermo dial for setting the temperature, a thermo valve for controlling the gas flow rate supplied to the gas burner so that the cooking pot is heated to the temperature set by the thermo dial Because it is provided, even if it is heated with a gas burner, it can be heated so that the cooking pot can be set to a predetermined temperature and can be heated at an appropriate temperature. When performing, 180 ° C. ~ 210
When the temperature is controlled to a temperature of ° C., it is possible to cook comfortably without generating smoke.

Further, the invention of claim 3 of the present invention is directed to claim 2
In order to prevent heat from the gas burner from hitting the temperature sensor, a heat shield cover is attached to the temperature sensor, so that the heat from the gas burner does not hit the temperature sensor and the temperature of the cooking pan can be accurately detected. The cooking pot can be accurately heated to the set temperature.

The invention of claim 4 of the present invention provides the method of claim 1
In any one of claims 3 to 5, the cooking pot is formed of a carbon plate material, so that the cooking pot has heat storage properties and can be grilled evenly when grilling teppanyaki or yakiniku so that it is not scorched and delicious. It can be baked.

Further, the invention of claim 5 of the present invention is directed to claim 1
In any one of claims 4 to 6, the air is insulated so as to block heat by circulating air around the combustion chamber of the housing, so that the surroundings of the housing are heated by heat from the gas burner. It can be used comfortably.

[Brief description of the drawings]

FIG. 1 shows an example of a gas heating cooker according to an embodiment of the present invention, wherein (a) is a plan view and (b) is a cross-sectional view taken along line XX ′ of (a).

FIG. 2 shows the cooking pot of the above, wherein (a) is a plan view and (b)
FIG. 3 is a sectional view taken along line YY ′ of FIG.

FIG. 3 is a perspective view showing a state where the temperature sensor is covered with a heat shield cover.

FIG. 4 is a sectional view of another example of the cooking pot of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Combustion chamber 3 Gas burner 4 Cooking pot 5 Exhaust pipe 6 Thermo dial 7 Thermo valve

Claims (5)

[Claims] A combustion chamber having an open top surface is provided in a flat housing that can be placed on a table or the like, a gas burner is disposed in the combustion chamber, and a cooking pot is disposed so as to cover the top opening of the combustion chamber. A gas heating cooker characterized in that an exhaust pipe for exhausting combustion gas from a gas burner in a combustion chamber is provided in the center of a cooking pan so as to penetrate vertically. 2. A temperature sensor for detecting the temperature of the cooking pot and a thermo dial for setting the temperature are provided, and a gas flow rate supplied to the gas burner is controlled so that the cooking pot is heated to the temperature set by the thermo dial. The gas heating cooker according to claim 1, further comprising a thermo valve. 3. A gas heating cooker according to claim 2, wherein a heat shield cover is attached to the temperature sensor to prevent heat from the gas burner from being applied to the temperature sensor. 4. The gas heating cooker according to claim 1, wherein the cooking pot is formed of a carbon plate material. 5. The gas heating cooking device according to claim 1, wherein an air insulation structure is provided to shut off heat by passing air around the combustion chamber of the housing. vessel.