Flameout prevention structure of gas oven

Abstract

The utility model relates to an anti-flameout structure of a gas oven. The anti-flameout structure comprises an oven inner cavity, a combustion cavity, an ignition assembly, a combustion tube, a flame sensor, an air inlet assembly and a control panel. The oven inner cavity is formed in the oven, an air outlet is formed in the oven inner cavity, and heat transfer holes are formed in a bottom plate of the oven inner cavity; the combustion cavity is formed in the oven and located below an inner cavity of the oven, and the combustion cavity communicates with the inner cavity of the oven through the heat transfer holes. The ignition assembly, the combustion tube and the flame sensor are located in the combustion cavity, the ignition end of the ignition assembly is located beside the combustion end of the combustion tube so as to ignite fuel gas, and the sensing end of the flame sensor is located beside the combustion end of the combustion tube. The air inlet assembly is installed in the oven, and the air outlet end of the air inlet assembly corresponds to the air outlet. The control panel is electrically connected with the air inlet assembly and the ignition assembly so as to drive the air inlet assembly and the ignition assembly to work. The fan has the advantages that after the flame sensing needle detects flames, the fan keeps working normally, and when the flame sensor does not detect the flames, the fan stops working.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of anti-flameout structure of gas oven. BACKGROUND

[0002] At present, traditional full gas oven, if air convection in the rear cavity of open cycle air inlet assembly when burner works, the airflow in the cavity blows to burner flame, thereby leading to unstable flame, easy to be extinguished;There is a security risk when working. SUMMARY

[0003] The utility model aims at overcoming the deficiency of prior art and providing a kind of anti-flameout structure of gas oven, flame induction needle detects flame, fan keeps normal work, flame inductor does not detect flame, fan stops working, and it is safe to use.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is realized, which is a kind of anti-flameout structure of gas oven, characterized by comprising:

[0005] Oven inner cavity;The oven inner cavity is arranged in oven, and air outlet is arranged in the oven inner cavity, and heat transfer hole is arranged on the bottom plate of oven inner cavity;

[0006] Combustion chamber;The combustion chamber is arranged in the oven and below the oven inner cavity, and the combustion chamber is communicated with the oven inner cavity through the heat transfer hole;

[0007] Ignition assembly, combustion tube and flame inductor;The ignition assembly, combustion tube and flame inductor are respectively located in the combustion chamber, the ignition end of the ignition assembly is located beside the combustion end of the combustion tube so as to ignite gas, and the induction end of the flame inductor is located beside the combustion end of the combustion tube so as to detect the working state of the combustion tube;

[0008] Air inlet assembly;The air inlet assembly is installed in the oven, and the air outlet end of the air inlet assembly corresponds to the air outlet so as to blow air into the oven inner cavity;And

[0009] Control panel;The control panel is electrically connected with the air inlet assembly and the ignition assembly respectively so as to drive the air inlet assembly and the ignition assembly to work.

[0010] In the technical scheme, the ignition assembly includes thermocouple and ignition needle, and the thermocouple and ignition needle are respectively located on both sides of the combustion tube.

[0011] In the technical scheme, the ignition end of the ignition assembly is located at the initial end of the combustion tube after air inlet.

[0012] In the technical scheme, the air inlet assembly includes fan and relay;The air outlet end of the fan corresponds to the air outlet, and the fan is electrically connected with the control panel through the relay.

[0013] Compared with the prior art, the advantages of the utility model are: after the flame sensing needle detects the flame, the fan keeps normal working, when the flame sensor does not detect the flame, the fan stops working, and it is safe to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model;

[0015] Figure 2 It is the side view of the utility model;

[0016] Figure 3 It is Figure 2 A-A section view of the utility model;

[0017] Figure 4 It is the front view of the utility model;

[0018] Figure 5 It is Figure 4 B-B section view of the utility model;

[0019] Figure 6 It is the circuit block diagram of the utility model. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined mutually as long as they do not conflict with each other.

[0021] As Figures 1 to 6 Indicated, it is a gas oven's anti-flameout structure, including:

[0022] Oven inner chamber 2;The oven inner chamber 2 is located in the oven, is equipped with air outlet 21 in the oven inner chamber 2, is equipped with heat transfer hole 223 on the bottom plate 22 of oven inner chamber 2;

[0023] Combustion chamber 7;The combustion chamber 7 is located in the oven and is located below the oven inner chamber 2, and the combustion chamber 7 is communicated with the oven inner chamber 2 by the heat transfer hole 223;

[0024] Ignition assembly, combustion tube 6 and flame sensor 5;The ignition assembly, combustion tube 6 and flame sensor 5 are located in the combustion chamber 7 respectively, the ignition end of the ignition assembly is located at the combustion end of combustion tube 6 to ignite gas, and the sensing end of the flame sensor 5 is located at the combustion end of combustion tube 6 to detect the working state of combustion tube 6;

[0025] The air inlet assembly is installed in the oven, and an air outlet end of the air inlet assembly corresponds to the air outlet 21 so as to blow air into the inner cavity 2 of the oven.

[0026] The control panel 9 is electrically connected with the air inlet assembly and the ignition assembly respectively so as to drive the air inlet assembly and the ignition assembly to work.

[0027] In work, when the flame sensor 5 detects the flame, the flame sensor 5 transmits a signal to the control panel 9, and the control panel 9 drives the air inlet assembly to work; when the flame sensor 5 does not detect the flame, the air inlet assembly does not work.

[0028] In the embodiment, the ignition assembly comprises a thermocouple 3 and an ignition needle 4, which are respectively located at two sides of the combustion pipe 6. The thermocouple 3 and the ignition needle 4 cooperate to generate an electric spark so as to ignite the fuel at the combustion pipe 6.

[0029] In the embodiment, the ignition end of the ignition assembly is located at an initial end of the combustion pipe 6 after air inlet.

[0030] In the embodiment, the air inlet assembly comprises a fan 8 and a relay 10; an air outlet end of the fan 8 corresponds to the air outlet 21, and the fan 8 is electrically connected with the control panel 9 through the relay 10.

[0031] When the flame sensor 5 detects the flame, the flame sensor 5 transmits a signal to the control panel 9, and the control panel 9 controls the relay 10 to make the relay 10 closed, and the relay 10 and the switch of the fan 8 are connected in series so as to make the fan 8 work; when the oven works, when the flame sensor 5 does not detect the flame, the relay 10 is opened, and the fan 8 does not work.

[0032] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For ordinary skilled in the art, under the condition that the principles and purposes of the utility model are not departed, various changes, modifications, replacements and deformation of these embodiments still fall into the protection scope of the utility model.

Claims

1. A flameout prevention structure for a gas oven, characterized in that... include: Oven cavity (2); The oven cavity (2) is located in the oven, and an air outlet (21) is provided in the oven cavity (2), and a heat transfer hole (223) is provided on the bottom plate (22) of the oven cavity (2). Combustion chamber (7); The combustion chamber (7) is located in the oven and below the oven cavity (2), and the combustion chamber (7) is connected to the oven cavity (2) through the heat transfer hole (223); Ignition assembly, combustion tube (6) and flame sensor (5); the ignition assembly, combustion tube (6) and flame sensor (5) are respectively located in combustion chamber (7), the ignition end of the ignition assembly is located next to the combustion end of the combustion tube (6) to ignite the gas, and the sensing end of the flame sensor (5) is located next to the combustion end of the combustion tube (6) to detect the working status of the combustion tube (6); Air intake assembly; the air intake assembly is installed in the oven, and the air outlet of the air intake assembly corresponds to the air outlet (21) so as to blow air into the oven cavity (2); as well as Control board (9); the control board (9) is electrically connected to the air intake assembly and the ignition assembly respectively, thereby driving the air intake assembly and the ignition assembly to work.

2. The flameout prevention structure of the gas oven according to claim 1, characterized in that... The ignition assembly includes a thermocouple (3) and an ignition needle (4), which are located on both sides of the combustion tube (6).

3. The flameout prevention structure of the gas oven according to claim 1, characterized in that... The ignition end of the ignition assembly is located at the initial end of the combustion tube (6) after the air intake.

4. The flameout prevention structure of the gas oven according to claim 1, characterized in that... The air intake assembly includes a fan (8) and a relay (10); the air outlet of the fan (8) corresponds to the air outlet (21), and the fan (8) is electrically connected to the control board (9) through the relay (10).

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