CN201166401Y - Gas stove intelligent automatic ignition and flameout device - Google Patents

Abstract

The utility model discloses an intelligent automatic ignition and extinguishing device for a gas stove, which mainly includes an automatic control system. The control system is mainly composed of a detection module, a control module and an execution component, wherein the detection module is installed outside the inner furnace body of the stove. , and the detection module also includes a pressure detection rotating rod; the control module is installed in the stove; the executive assembly is mainly composed of a high-voltage pulse ignition coil, an ignition needle and a solenoid valve, and is respectively installed on the stove head and the stove At the intake pipe.

Description

Gas stove intelligent automatic ignition and flameout device

technical field

The utility model relates to an intelligent automatic ignition and flameout device for a gas stove, in particular to an intelligent device which can automatically identify whether the stove needs to work during the working process of the gas stove, intelligently and automatically ignites and delays the flameout.

Background technique

At present, known gas stoves all work by manual ignition and stop flameout. The ignition method is to ignite the fire manually by using a direct open flame fire source, a special hand-held electric igniter or an electronic igniter installed on the stove. It is inconvenient and dangerous to ignite directly with an open flame, and there is a fire hazard. Since the igniter needs to be ignited manually, the biggest inconvenience when igniting is that it is not convenient for the operator (cook) to ignite at any time during the continuous non-stop operation (such as serving dishes, adding seasonings, dividing dishes, washing pots, etc.) The furnace fire, so it can only let the burning fire burn empty and not go out. The resulting fire is always in a burning state during the entire operation process, which not only wastes a lot of energy but also brings a lot of combustion exhaust gas emissions. Since most commercial stoves use blast to support combustion, the blast stove fire is burning at a high level. It is easy to ignite the cooking fume that cannot be removed in time by the range hood on the upper part of the stove, causing a fire hazard. Even some existing automatic ignition systems for stoves cannot adjust the ignition time and flameout time at will according to actual needs, causing instability to the ignition and even causing misfires or delayed ignition to cause explosions and other dangers, and the key components of the pressure detection sensor cannot be replaced. Update and cannot be waterproof, anti-oil, anti-foreign matter, etc.

Contents of the invention

In order to solve the above-mentioned problems and defects, the utility model provides an intelligent automatic ignition and extinguishing device for a gas stove.

The utility model is achieved through the following technical solutions:

The utility model relates to an intelligent automatic ignition and extinguishing device for a gas stove, which mainly includes an automatic control system. The outer side of the inner furnace body, and the detection module also includes a pressure detection rotating rod; the control module is installed in the stove; The burner and the intake pipe of the stove.

The pressure detecting rotating rod is arranged on the edge of the furnace hoop, and the top of the pressure detecting rotating rod protrudes from the furnace hoop.

The beneficial effect of the technical solution provided by the utility model is: it can automatically ignite and turn off the fire when detecting whether the stove needs to work, which is convenient for operation, improves safety, eliminates unnecessary empty fire of the stove, and effectively reduces the empty fire of the stove The discharged waste gas reduces the air pollution index of the kitchen, saves gas, reduces the temperature of the kitchen operating room, and has a simple structure, safe operation and stable operation. It completely solves the technology that the vulnerable part "pressure detection rod" of the detection mechanism during the use of the device can prevent oil pollution, water splashing, small foreign matter from entering, and can be disassembled, cleaned and replaced at will. Improve equipment stability and use stability, reduce equipment failure rate, prolong service life and increase safety.

Description of drawings

Fig. 1 is a working principle diagram of the present utility model;

Figure 2 is an installation diagram of the internal components of the control module.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings:

As shown in Figure 1, it shows the working principle of the utility model, which mainly includes the detection module 2, the control module 1 and the execution assembly, and the detection module 2, the control module 1 and the execution assembly are connected by wires and connectors to form an automatic control system device. The control module 1 is assembled as a whole and installed in the stove. The executive component is mainly composed of a high-voltage pulse ignition coil, an ignition needle 4 and a solenoid valve 3, and the solenoid valve 3 is respectively connected with a bypass valve 7, a control valve 8 and an inlet valve. Gas valve 9, one end of bypass valve 7 and intake valve 9 is also connected with a gas furnace 5; the top of the control module 1 is also provided with a blower 6, and the detection module 2 is installed on the outside of the inner furnace body of the cooking range, and the pressure at the top is The detection rod is placed on the edge of the furnace ring, and the top of the pressure detection rod protrudes 10-15mm from the furnace ring, and the working power supply adopts 220V AC power supply.

When using the stove, when the pot is placed on the stove hoop, the upper end of the pressure detection rod in the detection module is in contact with the bottom of the pot. Due to the gravity of the pot body, the pressure detection rod is pressed down, and the lower end of the pressure detection rod slides down for about 5 When the limit switch in the pressure sensing device is touched at -8mm, the ignition switch of the limit switch and the power switch of the air supply solenoid valve are turned on at the same time, the ignition and air supply signals are quickly transmitted to the control module, and the control module sends the ignition and air supply power to the high-voltage pulse The igniter ignites (the igniter is automatically closed after 5-10 seconds of ignition working time controlled by the time relay), and at the same time the gas supply solenoid valve is opened, and the gas enters the burner of the stove. At this time, the stove burns and the whole ignition process ends. When the pot leaves the stove mouth (such as feeding, loading, washing pot, etc.), because the pressure detection rod loses the gravity pressure of the pot, the return spring in the detection module pushes the pressure detection rod back to the original initial state position, and the pressure detection rod When the sliding pressure block at the lower end of the rod leaves the touch point of the travel switch, the relay contact will delay (0-5 seconds adjustable) to cut off the power supply of the gas solenoid valve, the solenoid valve will be closed and the fuel supply to the burner of the stove will be stopped, and the stove will automatically cease fire . Repeat the above process to realize the automatic ignition of the stove when the pot is placed on the stove, and the intelligent automatic ignition delay and flameout function that the pot leaves the stove and automatically delays the flameout to stop working.

As shown in Figure 2, it shows the installation diagram of the internal components of the control module of the present invention. There are multiple travel switches. 4 is connected to the solenoid valve of the executive assembly, and the lower part of the module is provided with the ignition needle 5. The KT1 and KT2 are time relays, H1 is a power indicator light, H2 is a solenoid valve working indicator light, H3 is a high-voltage pulse ignition indicator light, and DH is a high-voltage pulse igniter; , the power indicator light H2 lights up to indicate that the power is turned on, the time relay KT1 is energized and after the initial state, the KT1 normally closed contact is disconnected, the solenoid valve is in the closed state, and the entire device system is in the standby state. When the limit switch XK is pressed (that is, when the pot is placed on the detection rod), the normally open and normally closed contacts of the switch are closed and separated at the same time, at this time, the power supply of KT1 is cut off, and its normally closed contact returns to the closed state instantaneously Send power to the solenoid valve, and the solenoid valve opens to supply air to the burner head. At this time, because the normally open contact of the travel switch is closed, the power will be sent to KT2 and the high-voltage pulse igniter DH, and the ignition needle of the igniter DH will start to ignite. At this time The stove automatically ignites, and the igniter automatically stops ignition after the ignition is completed (adjust according to actual needs within 5-10 seconds).

When the travel switch returns to the normal position (that is, the pot leaves the stove), the normally open and normally closed contacts of the travel switch are separated and closed at the same time. Adjust the time delay within 0-10 seconds) disconnect the solenoid valve and turn off the power, and the stove will automatically turn off and stop working. At this time, KT2 is powered off, and its normally closed contact resets back to the initial standby state.

In this embodiment, the working stroke of the detection rod can be adjusted at will by adjusting the position of the slider at the lower end of the detection rod in the detection module according to actual needs, so that the ignition time is more accurate. Because the detection rod and the pot are in long-term contact and friction, a novel, convenient and quick replacement method is specially designed for changing the detection rod in this example. The fixing screw of the lower cover of the detection module is removed, and the positioning screw and the slider of the lower end of the detection rod are removed to fix the slider, and the detection rod can be easily and directly removed from the upper part for cleaning or replacement.

Claims (2)

1. The intelligent automatic ignition and extinguishing device for gas stoves mainly includes an automatic control system, which is characterized in that the control system is mainly composed of a detection module, a control module and an executive component, wherein, The detection module is installed on the outside of the hearth body inside the stove, and the detection module also includes a pressure detection rotating rod; The control module is installed in the stove; The executive assembly is mainly composed of a high-voltage pulse ignition coil, an ignition needle and a solenoid valve, and is respectively installed at the burner head and the air intake pipe of the stove. 2. The intelligent automatic ignition and extinguishing device for gas stoves according to claim 1, characterized in that the pressure detection rotating rod is arranged on the edge of the hoop, and the top protrudes from the hoop.

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