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Gas stoves

A gas stove and gas technology, applied in the field of gas stoves, can solve problems such as unfavorable ignition, shortened ignition needle life, and cracked ceramic shell

Active Publication Date: 2018-02-09
BSH ELECTRICAL APPLIANCES JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing ignition method, the ignition electrode is ignited towards the ignition hole, and the gas has just flowed out from the ignition hole, and has not had time to fully mix with the air, resulting in an excessively high gas ratio in the combustible mixture, which is not conducive to ignition
Moreover, the ignition needle of this ignition method is arranged near the ignition hole and will face the ignition hole. When the ignition is successful and the gas stove is working normally, the flame ejected from the ignition hole will often burn the ignition needle, especially The insulating ceramic shell covering the ignition electrode will easily cause the ceramic shell to break and shorten the life of the ignition needle after frequent high-temperature burning and cooling processes

Method used

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Examples

Experimental program
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Effect test

no. 1 example

[0036] Please refer to Figure 1 to Figure 4 , figure 1 It is a perspective view of the gas stove according to the first embodiment of the present invention when the burner is not assembled; figure 2 It is a perspective view of the gas stove according to the first embodiment of the present invention after the burner is assembled; image 3 It is a top view of the gas stove according to the first embodiment of the present invention; Figure 4 It is a sectional view of the gas stove according to the first embodiment of the present invention. The gas stove 1 of this embodiment includes a burner 3 and a burner 5 disposed below the burner 3 . The burner 3 further comprises an inner ring fire cover 31 provided with an inner ring fire hole 310, an outer ring fire cover 32 provided with an outer ring fire hole 320, and a burner arranged below the inner ring fire cover 31 and the outer ring fire cover 32 Base 30. The burner base 30 further includes an inner ring gas mixing chamber...

no. 2 example

[0040] For the sake of brevity, the same and / or corresponding structures as those of the first embodiment will not be repeated here, and please refer to the corresponding description of the first embodiment. Please refer to Figure 5 and Figure 6 , Figure 5 is a perspective view of a gas stove according to the second embodiment of the present invention; Figure 6 It is a top view of the gas stove according to the second embodiment of the present invention. The difference from the first embodiment is that the grounding structure of this embodiment includes a connecting portion 202 connected to at least one grounding component of the gas stove 1 and protruding from the grounding component. Specifically, such as Figure 5 and Figure 6 As shown, the connecting portion 202 is connected to the inner ring air mixing chamber 34 and the outer ring air mixing chamber 35 . The gas of the gas cooker 1 of this embodiment is first supplied to the inner ring fire mixing chamber 34, ...

no. 3 example

[0042] For structures that are the same as and / or corresponding to those of the first embodiment, details will not be repeated here, and please refer to the corresponding description of the first embodiment. Please refer to Figure 7 , Figure 7 It is a perspective view of a gas stove according to the third embodiment of the present invention. The difference from the first embodiment is that the grounding structure of this embodiment includes a thermocouple 203 . The thermocouple 203 is made of copper and other special metal materials, and is in contact with the furnace head. The ignition electrode 100 ignites toward the thermocouple 203 , and a substantially arc-shaped electric spark is generated between the ignition electrode 100 and the thermocouple 203 to ignite the gas ejected from the ignition hole 300 . The thermocouple 203 in this embodiment is also used for the flameout protection of the gas stove 1. After the flame burns to the thermocouple 203, an induced electro...

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PUM

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Abstract

A gas cooker, comprising: an ignition electrode, a grounding structure and an ignition hole, wherein the ignition electrode is wrapped with a ceramic shell. The extension direction of the ignition hole does not intersect with the ignition electrode and / or the ceramic shell, and an electric spark is formed between the ignition electrode and the ground structure to ignite the gas ejected from the ignition hole. After the gas stove of the present invention is ignited successfully, the flame ejected from the ignition hole will not burn to the ignition electrode and / or the ceramic shell wrapped outside the ignition electrode, which is beneficial to prolong its life.

Description

【Technical field】 [0001] The invention relates to a gas cooker, in particular to an ignition related structure of the gas cooker. 【Background technique】 [0002] Most of the existing gas stoves use the ignition needle to ignite the gas. The ignition direction of the ignition needle is generally towards the ignition hole of the gas stove. Pass through the air between the metals near the ignition hole and form an electric spark, thereby igniting the gas ejected from the ignition hole. However, in the existing ignition method, the ignition electrode is ignited towards the ignition hole, and the gas has just flowed out of the ignition hole, and has not had time to fully mix with the air, resulting in an excessively high gas ratio in the combustible mixture, which is not conducive to ignition. Moreover, the ignition needle of this ignition method is arranged near the ignition hole and will face the ignition hole. When the ignition is successful and the gas stove is working norma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C3/10F24C3/08
Inventor Z·卡法利吴金花李兴洲
Owner BSH ELECTRICAL APPLIANCES JIANGSU