Ignition device of gas cooktop and gas cooktop

Patent metadata

Field	Value
Publication number	US-12253262-B2
Application number	US-202017642969-A
Country	US
Kind code	B2
Filing date	Sep 17, 2020
Priority date	Sep 24, 2019
Publication date	Mar 18, 2025
Grant date	Mar 18, 2025

Abstract

An ignition device of a gas cooktop, and a gas cooktop. The ignition device of the gas cooktop includes a discharge end, a receiving end and an ignition control module. An ignition frequency generated by the ignition control module is within a range of [15 kHz, 22 kHz], a distance between the discharge end and the receiving end is within a range of [2 mm, 5 mm], and at ignition, a continuous arc is generated between the discharge end and the receiving end to ignite gas. When the ignition device of this scheme is ignited, an ignition sound is extremely low and there is no noise pollution.

First claim

What is claimed is:

1. An ignition device of a gas cooktop, comprising:
a discharge end;
a receiving end spaced from the discharge end at a distance within a range of 2 mm-5 mm; and
an ignition control module configured to generate an ignition frequency within a range of 15 kHz-22 kHz,
wherein at ignition, a continuous arc is generated between the discharge end and the receiving end to ignite gas.

2. The ignition device of claim 1 , wherein the distance between the discharge end and the receiving end is within a range of 2 mm-3 mm.

3. The ignition device of claim 1 , wherein the ignition frequency generated by the ignition control module is within a range of 15 kHz-20 kHz.

4. The ignition device of claim 1 , further comprising a spark electrode comprising two electrode terminals, wherein one of the electrode terminals is the discharge end, and the other one of the electrode terminals is the receiving end.

5. The ignition device of claim 1 , further comprising a spark electrode comprising four electrode terminals which are configured to two discharge ends and two receiving ends, wherein at ignition, a continuous arc generated between one pair of the electrode terminals and a continuous arc generated between the other pair of the electrode terminals intersect each other.

6. The ignition device of claim 1 , further comprising a spark electrode comprising an electrode terminal, wherein the electrode terminal forms the discharge end, with the receiving end being formed on a burner of the gas cooktop.

7. The ignition device of claim 1 , further comprising a spark electrode comprising an electrode terminal, wherein the electrode terminal forms the discharge end, with the receiving end being formed by an end portion of a thermocouple of the gas cooktop.

8. The ignition device of claim 1 , wherein at least one of the discharge end and the receiving end has a diameter which is less than or equal to 2 mm.

9. The ignition device of claim 1 , wherein the ignition frequency generated by the ignition control module is 18.2 KHZ, and the distance between the discharge end and the receiving end is 2 mm.

10. The ignition device of claim 1 , wherein the ignition frequency generated by the ignition control module is 20 KHZ, and the distance between the discharge end and the receiving end is 5 mm.

11. The ignition device of claim 1 , wherein the ignition frequency generated by the ignition control module is 15 KHZ, and the distance between the discharge end and the receiving end is 4 mm.

12. A gas cooktop, comprising an ignition device, said ignition device comprising a discharge end, a receiving end spaced from the discharge end at a distance within a range of 2 mm-5 mm, and an ignition control module configured to generate an ignition frequency within a range of 15 kHz-22 kHz, wherein at ignition, a continuous arc is generated between the discharge end and the receiving end to ignite gas.

13. The gas cooktop of claim 12 , wherein the distance between the discharge end and the receiving end is within a range of 2 mm-3 mm.

14. The gas cooktop of claim 12 , wherein the ignition frequency generated by the ignition control module is within a range of 15 kHz-20 kHz.

15. The gas cooktop of claim 12 , wherein the ignition device comprises a spark electrode comprising two electrode terminals, wherein one of the electrode terminals is the discharge end, and the other one of the electrode terminals is the receiving end.

16. The gas cooktop of claim 12 , wherein the ignition device comprises a spark electrode comprising four electrode terminals which are configured to two discharge ends and two receiving ends, wherein at ignition, a continuous arc generated between one pair of the electrode terminals and a continuous arc generated between the other pair of the electrode terminals intersect each other.

17. The gas cooktop of claim 12 , further comprising a burner, said ignition device comprising a spark electrode comprising an electrode terminal, wherein the electrode terminal forms the discharge end, with the receiving end being formed on the burner.

18. The gas cooktop of claim 12 , further comprising a thermocouple, said ignition device comprising a spark electrode comprising an electrode terminal, wherein the electrode terminal forms the discharge end, with the receiving end being formed by an end portion of the thermocouple.

19. The gas cooktop of claim 12 , wherein at least one of the discharge end and the receiving end of the ignition device has a diameter which is less than or equal to 2 mm.

20. The gas cooktop of claim 12 , wherein the ignition frequency generated by the ignition control module of the ignition device is 18.2 KHZ, and the distance between the discharge end and the receiving end of the ignition device is 2 mm.

Assignees

• Bsh Hausgeraete Gmbh

Inventors

• Wu Jinhua
• Schlotmann Peter
• Miao Weiwei

Classifications

• F24C3/103 Primary

  of electric ignition devices · CPC title

• F23Q3/008 Primary

  Structurally associated with fluid-fuel burners · CPC title