JPS6333044B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The object of the present invention is to control the amount of combustion in multiple stages by detecting the temperature of an object to be heated (for example, a pot) in a gas combustor. Conventionally, there are gas rice cookers that detect the temperature of the rice cooker and reduce the amount of combustion, but the amount of combustion at that time is controlled only by an orifice, etc., so it is rated and the capacity of the heated object and maintenance. It has the disadvantage that it cannot respond to differences in temperature and may become cold or overheat.

To explain the present invention according to the drawings, 1 is a gas supply pipe, 2 is a knob for opening and closing the gas tank 3, and when rotated, it communicates with the gas pipe 5 and gas supply pipe 1, and when pressed, the pilot Gas is flowed into the nozzle 4. If the pilot nozzle 4 is ignited by an ignition device (not shown) when the knob 2 is pressed, the main burner 8
can be ignited. When the knob 2 is released, the gas to the pilot nozzle 4 is closed. Reference numeral 6 denotes a gas pressure regulator that freely varies the gas pressure on the outlet side, and is divided into a gas chamber 9 and an atmospheric chamber 12 by a diachelum 13, and the gas chamber 9 has a valve seat 10 and a gas outlet 11. 14 is a valve interlocked with the diaphragm 13;
5 is a spring that controls the pressure received by the diaphragm 13; 16 is a rod that adjusts the pressure of the spring 15 to vary the gas pressure at the gas outlet 11;
By moving 8 left and right, the inclined plate 17 moves at the same time, making it possible to set an appropriate pressure at the gas outlet 11. This gas pressure causes the main nozzle 4 to
You can select the appropriate amount of gas to eject from 0.
7 is a gas valve body, which has a gas inlet 19 and a gas outlet 2.
1 are communicated through a gas passage 20, and the passage 20 has a valve seat 22. The valve seat 22 opens and closes the gas passage 20 in conjunction with the gas valve 23, 24 is a spring that biases the gas valve 23 to the closed state, and 25 is a rod integrated with the gas valve 23. Thing 3
The gas valve 22 is opened and closed by a lever 26 that is linked to a temperature detection means 41 that detects the temperature of the gas valve 8.

An example of the temperature detection means 41 (hereinafter referred to as thermosensor) is shown in FIG. 30 is a ferrite which loses its adsorption power to the magnet 31 when the temperature reaches a predetermined temperature (hereinafter referred to as a Currie point). 32 is a contact that covers the ferrite 30 and receives the temperature of the heated object 38; 33 is a holder for the ferrite 30; 34 is a holder for the magnet 31; 35 is a buffer spring for the lever 26; 36 is a case; 37 is a magnet rod; By pressing 29, the lever 26 pushes up the magnet 31 around the support shaft 27, and the thermosensor 41 is set. When this is set, the lever 26 simultaneously pushes up the rod 25 protruding from the gas valve body 7 to hold the gas passage 20 open. Due to the combustion of the main burner 8, the temperature of the heated object 38 rises, and the heat is transferred to the thermosensor 41.
When the contact 32 receives heat and reaches the Curie point of the ferrite 30, the adsorption force to the magnet 31 is lost, and the magnet 31 and the rod 37
falls due to its own weight, the rod 25 that was pushed by the lever 26 returns, and the gas valve 23 is released by the spring 2.
4, it becomes a closed state. The thermosensor 41 is shown in one embodiment using a ferrite 30 and a magnet 31, and is shown installed in the center of the main burner 8, but is not limited thereto.
28 is a base, and 39 is a gas pipe.

Note that if the Curie point of the ferrite 30 of the thermosensor 41 is the temperature of the outer bottom surface of the cooking container when the food boils (for example, 105°C), when the temperature of the heated object 38 is 100°C, the gas valve body 7 The gas valve 23 can be closed, and it is possible to prevent the heated object 38 from overboiling or burning.

Next, the operation will be explained. A gas pressure regulator 6 that changes the gas amount by changing the gas pressure on the outlet side 11 and a gas valve 23 that closes the gas passage 20 in conjunction with the temperature detection means 41 are arranged in parallel between the gas pipes 5 and 39. After the object to be heated 38 reaches a predetermined temperature with the knob 18, the combustion amount is arbitrarily set to maintain that temperature, and the thermosensor 4 is activated by pressing the knob 29.
1 and at the same time, the rod 25 of the gas valve 23 is
Press to connect the gas passage 20. Thereupon, the knob 2 is rotated to flow gas into the gas pipe 5, passing through the gas valve body 7, the gas pressure regulator 6, and the gas pipe 39, and then being fully opened from the main nozzle 40 and being ejected to the main burner 8. is ignited from. The heated object 38 that has received the heat from the burner 8 gradually rises in temperature, and the thermosensor 41 detects the temperature. When the temperature reaches the Curie point, the thermosensor 41 drops.
Close the gas valve 22. Therefore, gas stops flowing through the gas valve body 7 side, flows to the gas pressure regulator 6 side, decreases to the preset combustion amount, and burns the heated object 3.
8 is maintained approximately constant. Turn off knob 2 to stop extinguishing the fire.

As described above, when the heated object 38 reaches a predetermined temperature, the amount of combustion can be reduced. This reduced combustion amount can be set in advance using the knob 18 depending on the desired temperature and content.

For example, the ferrite 30 of the thermosensor 41
If you set the Curie point to the temperature of the outer bottom of the cooking container when the food boils, the temperature of the heated object 38
is reduced to a preset combustion amount at approximately 100℃,
Overboiling and burning can be prevented, and there is no boiling over or boiling over, making it safe and energy saving.

It has the above structure and function, but the effect is that the gas pressure regulator and the gas valve are in parallel, so the firepower after the gas valve is closed can be set to any low heat, so the gas pressure regulator can be used for cooking. It is easy to match the amount, type of cooking, and size of the container to be heated. Also, it is easy to low heat high calorie gas such as LPG.

The temperature detection means uses a ferrite Kyrie point, so it is simple and does not require temperature adjustment. In addition, by selecting the Currie point, you can obtain a combustor that is suitable for the purpose, such as reducing the heat to low when boiling or reducing the heat to low when the temperature reaches tempura. Therefore, it is possible to prevent burning, boiling over, and fire. It is also an energy-saving device.

Since the gas pressure regulator and gas valve body are connected in parallel, the gas supply can be completely stopped using the gas tank, and even in the unlikely event that gas leaks from the gas regulator or gas valve body, gas leakage can be prevented. .

etc. are mentioned.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a gas combustor according to an embodiment of the present invention, and FIG. 2 is a sectional view of a main part using the same thermosensor. 8...Main burner, 9...Gas chamber, 10...
Valve seat, 13...Diaphragm, 20...Passage, 2
2...Valve seat, 41...Temperature detection means.

Claims (1)

[Claims] 1. Equipped with a gas pressure regulator that arbitrarily changes the gas pressure on the outlet side to make the gas amount variable, and a ferrite that loses adsorption to the magnet when the heated object rises above a predetermined temperature. It has a gas valve that moves the valve shaft in conjunction with the temperature detection means to close the gas passage, and the gas pressure regulator and the gas valve are arranged in parallel,
A gas combustor characterized in that when the temperature detection means detects a predetermined temperature, the gas valve is closed and the gas flow rate ejected from the nozzle is controlled to the gas flow rate set by the gas pressure regulator. 2. The temperature of the outer bottom surface of the cooking container when the food boils is determined to be the temperature at which the adsorption property to the magnet disappears, and the gas valve is closed in conjunction with the temperature detection means using the ferrite and the magnet to stop the food from boiling. The gas combustor according to claim 1, wherein the gas combustor is prevented from being overcooked and scorched.