CN219249902U

CN219249902U - Oven with safe ignition function

Info

Publication number: CN219249902U
Application number: CN202222904679.XU
Authority: CN
Inventors: 赵健祥; 李楚伟; 李溢伦; 区文斌
Original assignee: Jiangmen Minsheng Kitchen Co ltd
Current assignee: Jiangmen Minsheng Kitchen Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-06-27
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses an oven with a safe ignition function, which is an embodiment of a first aspect of the utility model, and is characterized by comprising the following components: a main control valve; the lower fire row comprises a first ignition device, a lower ventilation pipeline and a lower burner, wherein the main control valve is communicated with the lower ventilation pipeline, the lower ventilation pipeline comprises a first air passage and a second air passage, the first ignition device is arranged at the air outlet end of the first air passage, the air outlet end of the first air passage faces the lower burner, the second air passage is communicated with the lower burner, and the second air passage is provided with a temperature control valve. The main control valve is opened, gas enters the first air passage and the second air passage, the flow of the first air passage is small, explosion is not easy to occur when the gas outlet end of the first air passage is ignited, the internal temperature of the oven is increased, then the temperature control valve is opened, the gas enters the lower burner and is ignited by the flame of the gas outlet end of the first air passage, the starting of the lower burner is realized, and the device is convenient and fast and has higher safety.

Description

Oven with safe ignition function

Technical Field

The utility model relates to the technical field of kitchen ware, in particular to an oven with a safe ignition function.

Background

There is the gas oven that uses natural gas on the market, is provided with the fire row in the gas oven, and the fire row lets in natural gas, then toasts food through the burning of natural gas, and safety when the fire row fires at present usually needs to be pressed and rotated the master control valve to keep pressing state for a few seconds, preignition carries out, and after the temperature in the oven is up to certain temperature, the fire row of igniting again, from avoiding the oven to explode, but whole process needs the user to press the master control valve for a period of time, and is very inconvenient.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the oven with the safety ignition function, which can automatically ignite the fire grate, and is convenient and practical.

An oven with a safe ignition function according to an embodiment of the first aspect of the present utility model is characterized by comprising: the main control valve comprises an air inlet end and an air outlet end, the air inlet end is provided with a first switch valve, and the first switch valve controls the opening or closing of the air inlet end of the main control valve; the lower fire row comprises a first ignition device, a lower ventilation pipeline and a lower burner, wherein the air outlet end of the main control valve can be communicated with the lower ventilation pipeline, the lower ventilation pipeline comprises a first air passage and a second air passage, the first ignition device is arranged at the air outlet end of the first air passage, the air outlet end of the first air passage faces the lower burner, the second air passage is communicated with the lower burner, and the lower ventilation pipeline is provided with a temperature control valve for controlling the second air passage to be opened or closed.

The oven with the safe ignition function has at least the following beneficial effects: after the main control valve is opened, gas enters the lower ventilation pipeline from the main control valve, the gas enters the first air passage and the second air passage, the flow of the first air passage is smaller, the first ignition device does not explode when igniting the gas at the air outlet end of the first air passage, the temperature inside the oven is heated simultaneously, then the temperature control valve is opened, so that the gas enters the lower burner, and then the gas is ignited by the flame at the air outlet end of the first air passage, so that the starting of the lower burner is realized, and the method is convenient and quick and has higher safety.

According to some embodiments of the utility model, the ignition device comprises a first ignition device, a first air passage and a first burner, wherein the first air passage is communicated with the air outlet end of the main control valve, the first air passage comprises a first air passage and a first air passage, the first ignition device is arranged at the air outlet end of the first air passage, the air outlet end of the first air passage faces towards the first burner, the first air passage is communicated with the first burner, and the first air passage is provided with a first switch valve.

According to some embodiments of the utility model, the main control comprises a valve body and a valve rod, wherein the valve rod is rotatably arranged on the valve body, the valve rod is hollow, and the valve rod can be communicated with or interrupted from the air inlet end of the lower ventilation pipeline.

According to some embodiments of the utility model, the side wall of the valve rod is provided with an air outlet hole, and the air outlet hole can be communicated with the lower air passage and the upper air passage respectively.

According to some embodiments of the utility model, the second air passage is provided with a third switching valve, and the temperature control valve and the third switching valve are sequentially arranged along a direction approaching the lower burner.

According to some embodiments of the utility model, the temperature controlled valve is a hydraulic expansion temperature controlled valve.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an oven with auto-ignition function according to an embodiment of the present utility model.

Reference numerals illustrate:

a main control valve 100, a valve body 101, a valve rod 102, a first switch valve 103 and an air outlet hole 104;

a lower ventilation duct 210, a first air duct 211, a second air duct 212, a third switching valve 213, a thermo valve 220, a first ignition device 230, a lower burner 240;

an upper air duct 310, a third air passage 311, a fourth air passage 312, a second switching valve 313, a second ignition device 320, and an upper burner 330;

control device 410, start switch 420.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, an oven with a safe ignition function according to an embodiment of the first aspect of the present utility model includes: the main control valve 100 comprises an air inlet end and an air outlet end, wherein the air inlet end is provided with a first switch valve 103, and the first switch valve 103 controls the opening or closing of the air inlet end of the main control valve 100; the lower fire row comprises a first ignition device 230, a lower ventilation pipeline 210 and a lower burner 240, wherein the air outlet end of the main control valve 100 can be communicated with the lower ventilation pipeline 210, the lower ventilation pipeline 210 comprises a first air passage 211 and a second air passage 212, the cross-sectional area of the first air passage 211 is smaller than that of the second air passage 212, the air flow of the first air passage 211 is smaller than that of the second air passage 212, the first ignition device 230 is arranged at the air outlet end of the first air passage 211, the air outlet end of the first air passage 211 faces the lower burner 240, the second air passage 212 is communicated with the lower burner 240, and the lower ventilation pipeline 210 is provided with a temperature control valve 220 for controlling the second air passage 212 to be opened or closed.

After the main control valve 100 is opened, the first switch valve 103 is opened, gas enters the main control valve 100, then enters the lower ventilation pipeline 210 through the main control valve 100, the gas enters the first gas channel 211 and the second gas channel 212, and the cross-sectional area of the first gas channel 211 is smaller than that of the second gas channel 212, so that the gas flow of the first gas channel 211 is smaller than that of the second gas channel 212, the gas sprayed out of the gas outlet end of the first gas channel 211 is smaller, the first ignition device 230 does not explode when igniting the gas at the gas outlet end of the first gas channel 211, meanwhile, the gas outlet end of the first gas channel 211 forms flame to heat the temperature inside the oven, when the temperature reaches a set value, the temperature control valve 220 is opened, so that the gas enters the lower burner 240 and is ignited by the flame at the gas outlet end of the first gas channel 211, and the starting of the lower burner 240 is realized. The thermo valve 220 is a hydraulic thermo valve 220.

In addition, after the main control valve 100 is closed, the lower burner 240 is extinguished, the temperature in the oven is gradually reduced, and when the temperature is lower than a set value, the temperature control valve 220 is closed, and gas cannot enter the second air passage 212, so that the gas is prevented from leaking out of the lower burner 240, and the safety is improved.

As will be appreciated, referring to fig. 1, the oven further includes an upper fire grate including a second ignition device 320, an upper air duct 310 and an upper burner 330, the upper air duct 310 being capable of communicating with the air outlet end of the main control valve 100, the upper air duct 310 including a third air duct 311 and a fourth air duct 312, the third air duct 311 having a cross-sectional area smaller than that of the fourth air duct 312, the second ignition device 320 being disposed at the air outlet end of the third air duct 311, the air outlet end of the third air duct 311 being directed toward the lower burner 240, the fourth air duct 312 being in communication with the upper burner 330, the fourth air duct 312 being provided with a second switching valve 313. The upper ventilation pipe 310 into which the gas enters, then the second switching valve 313 is opened, the gas enters the third air passage 311 and the fourth air passage 312 respectively, the cross-sectional area of the third air passage 311 is smaller than that of the fourth air passage 312, the gas flow ejected from the gas outlet end of the third air passage 311 is smaller, the second ignition device 320 ignites the gas from the gas outlet end of the third air passage 311, and then the upper burner 330 is ignited by the flame from the gas outlet end of the third air passage 311, so that the starting of the upper fire row is realized.

It will be appreciated that referring to fig. 1, the main control includes a valve body 101 and a valve rod 102, the valve rod 102 is rotatably disposed on the valve body 101, the valve rod 102 is hollow, and the valve rod 102 can be communicated with or interrupted from the air inlet end of the lower ventilation pipe 210. Specifically, the sidewall of the valve rod 102 is provided with an air outlet hole 104, and the air outlet hole 104 can be respectively communicated with the lower ventilation pipeline 210 and the upper ventilation pipeline 310. The gas enters the valve body 101 and leaves the valve rod 102 from the valve body 101, the gas flows into the lower ventilation pipeline 210 from the gas outlet hole 104 by rotating the valve rod 102 to enable the gas outlet hole 104 to be in butt joint with the gas inlet end of the lower ventilation pipeline 210, so that the gas flows into the upper ventilation pipeline 310, and the gas flows into the upper ventilation pipeline 310 by butt joint of the gas outlet hole 104 and the upper ventilation pipeline 310 when the valve rod 102 rotates in the opposite direction, so that the upper and lower fire rows can be controlled through the main control valve 100 respectively without additionally adding the valve body 101, thereby reducing the cost and having a simple structure and easy maintenance. The oven is further provided with a control device 410 and a start switch 420, the start switch 420 is electrically connected with the control device 410, in addition, the first ignition device 230, the second ignition device 320, the first switch valve 103, the second switch valve 313 and the third switch valve 213 are electrically connected with the control device 410, the control device 410 controls the first ignition device 230, the second ignition device 320, the first switch valve 103, the second switch valve 313 and the third switch valve 213 to be opened or closed, and in addition, the start switch 420 can be triggered to enable the control device 410 to drive the first switch valve 103 to be opened, so that gas can enter the valve body 101 whether the valve rod 102 rotates clockwise or anticlockwise.

It will be appreciated that referring to fig. 1, the second air passage 212 is provided with a third switching valve 213, and the thermo valve 220 and the third switching valve 213 are sequentially provided in a direction approaching the lower burner 240. When the start switch 420 is turned off or the main power is turned off, the third switch valve 213 is turned off first, so that the lower burner 240 extinguishes after the remaining gas is burned, and then the temperature drops below the set value, the temperature control valve 220 is turned off, and the supply of gas is further cut off, thereby avoiding the gas leakage of the lower burner 240.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. Oven with safe ignition function, characterized by comprising:

the main control valve comprises an air inlet end and an air outlet end, the air inlet end is provided with a first switch valve, and the first switch valve controls the opening or closing of the air inlet end of the main control valve;

the lower fire row comprises a first ignition device, a lower ventilation pipeline and a lower burner, wherein the air outlet end of the main control valve can be communicated with the lower ventilation pipeline, the lower ventilation pipeline comprises a first air passage and a second air passage, the first ignition device is arranged at the air outlet end of the first air passage, the air outlet end of the first air passage faces the lower burner, the second air passage is communicated with the lower burner, and the lower ventilation pipeline is provided with a temperature control valve for controlling the second air passage to be opened or closed.

2. The oven with safe ignition function according to claim 1, further comprising an upper fire row, wherein the upper fire row comprises a second ignition device, an upper ventilation pipeline and an upper burner, the upper ventilation pipeline can be communicated with the air outlet end of the main control valve, the upper ventilation pipeline comprises a third air passage and a fourth air passage, the second ignition device is arranged at the air outlet end of the third air passage, the air outlet end of the third air passage faces the lower burner, the fourth air passage is communicated with the upper burner, and the fourth air passage is provided with a second switch valve.

3. The oven with safe ignition function according to claim 2, wherein the main control comprises a valve body and a valve rod, the valve rod is rotatably arranged on the valve body, the valve rod is hollow inside, and the valve rod can be communicated with or interrupted from the air inlet end of the lower ventilation pipeline.

4. The oven with safe ignition function according to claim 3, wherein an air outlet hole is formed in a side wall of the valve rod, and the air outlet hole can be communicated with the lower air duct and the upper air duct respectively.

5. The oven with the safe ignition function according to claim 1, wherein the second air passage is provided with a third switching valve, and the temperature control valve and the third switching valve are sequentially provided in a direction approaching the lower burner.

6. The oven with safe ignition function according to claim 1, wherein the temperature control valve is a liquid expansion temperature control valve.