Accidental flameout resisting type ignition assembly for gas cooling appliance
A gas cooker, an unexpected technology, applied in the direction of combustion ignition, ignition by electric spark, combustion method, etc., can solve the problems of use effect discount, gas leakage, etc.
Inactive Publication Date: 2013-04-17
吴建堂
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AI Technical Summary
Problems solved by technology
However, the piezoelectric igniter works well in the relatively new stage. Once the piezoelectric igniter has been used for a long time and there is a lot of oil attached to the piezoelectric igniter, its use effect will be greatly reduced. The gas can only be ignited after the first ignition; if the gas flame is accidentally extinguished for some reason, it is easy to cause gas leakage and lay a hidden danger for the occurrence of fire
Method used
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Embodiment Construction
[0012] According to attached figure 1 The working principle diagram of the circuit and the accompanying drawings are shown, and the connection relationship between the components in each part of the circuit and the technical parameters of the components are implemented according to the content of the invention, and the automatic ignition device for the gas cooker can be made.
[0013] Selection of components and their technical parameters
[0014] Component number haoHAO number
Component name
Main Specifications
quantity
Remark
BG1
Phototransistor
Retrofit using 3AG12
1
PNP type high frequency tube
IC1
Power Switch Manifold
TWH8751
1
Package: TOP-220
R1
Resistance
10KΩ, 1 / 4W,
1
RP
220KΩ, 1W
1
Linear
C1
2μF / 50V
1
no polarity
B
Step-up transformer
...
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The invention discloses an accidental flameout resisting type ignition assembly for a gas cooling appliance. The ignition assembly is characterized by comprising a 12V direct current power source, a photosensitive starting circuit, a square-wave pulse generation circuit and a boost and discharge circuit. 3AG12 is adopted as a photosensitive triode BG1 in the photosensitive starting circuit, and TWH8751 is adopted as a power switch integration block IC1 in the square-wave pulse generation circuit. A piezoelectric type igniter is extremely good in using effect at a new stage, and the effect of the piezoelectric type igniter is greatly reduced after long-time use, and if gas flames are accidently extinguished due to some reason, gas leakage is caused extremely easily, and hidden fire danger is generated. 12V direct current generates high-voltage pulses through an oscillating circuit, electric sparks are formed by high-voltage point discharge, and high-voltage ignition is finished. Besides, the high-voltage ignition is controlled by optical signals sent by the gas flames, the square-wave pulse generation circuit is controlled through the photosensitive triode to output the high-voltage pulses again to achieve reignition, and the hidden danger of accidental flameout of the gas flames is avoided.
Description
technical field [0001] The invention belongs to the technical field of gas and electronic ignition, and in particular relates to an ignition assembly for preventing accidental flameout of a gas cooker. Background technique [0002] At present, most igniters of liquefied petroleum gas and gas cookers are ignited by piezoelectric methods. The structure of piezoelectric igniters has the advantages of simple mechanical structure and low production cost. However, the piezoelectric igniter works well in the relatively new stage. Once the piezoelectric igniter has been used for a long time and there is a lot of oil attached to the piezoelectric igniter, its use effect will be greatly reduced. The gas can only be ignited after the first ignition; if the gas flame is accidentally extinguished for some reason, it is easy to cause gas leakage and bury hidden dangers for the occurrence of fire. [0003] The anti-accidental flameout ignition assembly of the gas cooker of the present inv...
Claims
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IPC IPC(8): F23Q3/00F24C3/10
Inventor 吴建堂
Owner 吴建堂