Abstract: A dual-gas source gas control system with anti-gas source misconnection and a control circuit thereof belonging to the gas combustion technical field are provided. The disclosure solves unreasonable design and other problems in the related art. The dual-gas source gas control system with anti-gas source misconnection and the control circuit thereof includes a power-on circuit, connected in series with an external power supply and an igniter switch to form a loop, including a self-locking switch triode connected in series with the external power supply and a self-locking amplifying triode connected to a base electrode of the self-locking switch triode; an MCU control circuit, including an MCU control chip, wherein the power-on circuit is connected to a power input pin of the MCU control chip, one pin on the MCU control chip is configured to detect whether the power-on circuit is connected.

Abstract: A dual-gas source gas control system with anti-gas source misconnection and a control circuit thereof belonging to the gas combustion technical field are provided. The disclosure solves unreasonable design and other problems in the related art. The dual-gas source gas control system with anti-gas source misconnection and the control circuit thereof includes a power-on circuit, connected in series with an external power supply and an igniter switch to form a loop, including a self-locking switch triode connected in series with the external power supply and a self-locking amplifying triode connected to a base electrode of the self-locking switch triode; an MCU control circuit, including an MCU control chip, wherein the power-on circuit is connected to a power input pin of the MCU control chip, one pin on the MCU control chip is configured to detect whether the power-on circuit is connected.

Abstract: The present invention provides a dual fuel ignition device and a work method thereof, wherein the ignition device can output electric potential according to the opposite in-series connection of two thermocouples in a high-heating value gas igniting end and a low-heating value gas igniting end and the heating condition of the thermocouples, and can control the switching on or off of a control valve on a gas flow according to the effective heat electric potential generated by the thermocouples in the process of ignition, so as to avoid the danger condition that the main burner generates high fire caused by the misoperation of the gas appliance, therefore, the safe use can be guaranteed.

Abstract: The present invention provides a dual fuel ignition device and a work method thereof, wherein the ignition device can output electric potential according to the opposite in-series connection of two thermocouples in a high-heating value gas igniting end and a low-heating value gas igniting end and the heating condition of the thermocouples, and can control the switching on or off of a control valve on a gas flow according to the effective heat electric potential generated by the thermocouples in the process of ignition, so as to avoid the danger condition that the main burner generates high fire caused by the misoperation of the gas appliance, therefore, the safe use can be guaranteed.

Abstract: A simulation flame device, including a housing, a coated plate located a front portion of the housing, a light translucent plate with a multiple of irregular color lump distributions behind the coated plate, a reflecting light wheel device consisted of a multiple of polygon reflecting light wheels located after the translucent plate, a light source located below the light translucent plate, a carbon bed is set under and between the light translucent plate and the coated plate, the light from the light source is reflected by the reflecting light wheel device to project on and to pass through the light translucent plate then to project onto the coated plate, a simulation flame with three-dimensional as well as realistic and beautiful effect is formed.