Gas stove

A technology of gas stove and fuel gas, which is applied in the direction of heating fuel, household appliances, household stove/stove, etc., which can solve the problems of fuel gas leakage and achieve the effect of suppressing false detection

Active Publication Date: 2017-12-05
RINNAI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, there are cases where, when the burner is clogged due to spillage of soup from the cooking container, fuel gas leaks from the opening end side of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] figure 1 It is a perspective view which shows the appearance of the gas stove 1 of this Example. The gas stove 1 of the present embodiment includes: a stove main body 2 formed in a thin box shape with an open upper surface side; a top plate 3 placed on the stove main body 2 and covering the upper surface of the stove main body 2 ; stove burners 4R, 4L, which are provided in such a way that their upper parts protrude from through holes formed in the top plate 3; For placing cooking containers such as pots.

[0035] In addition, on the top plate 3 , operation knobs 6R, 6L are provided corresponding to the stove burners 4R, 4L, respectively, and the operation knobs 6R, 6L are operated by the user when igniting, when adjusting the heating power, and the like. When the operation knobs 6R, 6L are pushed down and rotated in a predetermined direction (counterclockwise in this embodiment), fuel gas is supplied to the stove burners 4R, 4L and ignited by an unillustrated spark ...

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PUM

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Abstract

Provided is a gas stove capable of detecting a flashback with a small amount of temperature rise using a temperature sensor and suppressing erroneous detection. A cover for covering a mixing pipe of a stove burner is provided, and an inner temperature is measured with a temperature sensor attached to a cover. Periodically acquires an increase amount of the measurement temperature with a predetermined determination time width, and detects a flashback based on the fact that the increase amount exceeds the flashback threshold value. This flashback threshold is set according to the temperature inside the cover. By doing so, not only when the flashback occurs in the state that the inside of the cover is cold and the amount of increase in the measured temperature is large, but also when the inside of the cover warms up, flashback occurs and the amount of increase in measured temperature It is possible to detect a flashback by increasing the flashback threshold by exceeding the flashback threshold by changing the flashback threshold. In addition, in the state where the inside of the cover is cold, since the flashback threshold can be set larger than the warmed state, false detection can be suppressed.

Description

technical field [0001] The present invention relates to a gas stove provided with a temperature sensor for detecting abnormal combustion of fuel gas supplied to a stove burner. Background technique [0002] Gas stoves that heat cooking containers such as pans by burning fuel gas in a stove burner are widely used. The stove burner includes a burner body with a plurality of burners and a mixing tube extending from the burner body. The fuel gas supplied through the gas passage is injected from the nozzle to the upstream opening end of the mixing tube, and flows into the mixing tube while sucking primary air for combustion. Then, the mixed gas of fuel gas and primary air that has passed through the mixing tube is ejected from the burner, and when ignited by the spark plug, the mixed gas starts to burn to form a flame outside the burner. [0003] In such a stove burner, abnormal combustion of the supplied fuel gas may occur. For example, there are the following situations: whe...

Claims

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Application Information

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IPC IPC(8): F24C3/08F24C3/12
CPCF24C3/085F24C3/126
Inventor 中山雄介杉山真澄
Owner RINNAI CORP
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