CN223826232U

CN223826232U - Premixing stove

Info

Publication number: CN223826232U
Application number: CN202520388208.9U
Authority: CN
Inventors: 时培连
Original assignee: Individual
Current assignee: Individual
Priority date: 2025-03-07
Filing date: 2025-03-07
Publication date: 2026-01-23
Anticipated expiration: 2035-03-07

Abstract

This utility model relates to the field of gas stove technology, and in particular to a premixed stove, including a base, stove shell, burner head, air inlet pipe, micro fan, ignition assembly, and support. By incorporating a micro fan within the air inlet pipe to premix gas and air, combustion efficiency is significantly improved, energy waste is reduced, and harmful gas emissions are lowered. The stove's components are rationally designed, featuring a frustum-shaped base, L-shaped support, and flame-concentrating ring, enhancing stability and operability. Utilizing a variable-speed micro fan and flow control valve, users can flexibly adjust the gas-to-air ratio and heat output to meet diverse cooking needs. This premixed stove, through optimized design and the application of advanced technology, not only improves combustion efficiency and safety but also simplifies operation, making it suitable for various cooking requirements and possessing broad market application prospects.

Description

Premixing stove

Technical Field

The utility model relates to the technical field of gas cookers, in particular to a premixing type stove.

Background

With the improvement of living standard of people and pursuit of leisure life, more and more people like outdoor activities in holidays, and outdoor cooking is performed after activities, which is a main activity content, but because of the limitation of outdoor conditions, the requirements on portability and performance of the outdoor stove are higher, and the outdoor stove capable of meeting the outdoor portability and strong combustion performance is lacking in the market.

At present, the traditional charcoal stoves sold in the market are made of red mud, clay, cast iron and other materials, the middle part of the stove body is provided with a combustion chamber for placing coal, a vent is arranged at the bottom of the stove body, and the vent with the structure is easily blocked by charcoal ash generated after coal combustion, so that the ventilation effect is poor and the combustion is not facilitated.

CN116642205A discloses an outdoor environmental protection multifunctional furnace, including the environmental protection furnace body, wherein this environmental protection furnace body surface has been seted up one and has been used for placing the charcoal recess of charcoal, and environmental protection furnace body bottom is provided with the ventilation groove that aligns with the charcoal recess, and the charcoal recess bottom has been seted up a plurality of and has ventilated the first ventilation channel of recess intercommunication, and environmental protection furnace body lateral wall is provided with a plurality of and ventilates the second ventilation channel of recess intercommunication, and environmental protection furnace body lateral wall is provided with a plurality of and charcoal recess lateral wall intercommunication's third ventilation channel simultaneously. The furnace body adopts the design of integration simplification, is provided with the ventilation recess simultaneously bottom the furnace body, aligns with charcoal recess. This design helps to provide air circulation and improve combustion efficiency. In addition, the furnace body lateral wall has still set up a plurality of second ventilation channels with ventilation recess intercommunication to and the third ventilation channel with charcoal recess lateral wall intercommunication, further strengthen ventilation effect. However, the combustion of the product is only carried out by natural passing, so that the combustion efficiency is low, the energy waste is serious, incomplete combustion is easy to generate, the stability, the operability, the safety and the like are insufficient, and the ever-increasing demands of users are difficult to meet.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a premixed stove which is reasonable in structural design and convenient to popularize.

A premixing stove comprises a base, a stove shell, a stove head, an air inlet pipe, a micro fan, an ignition assembly and a bracket;

The base is of a truncated cone structure, a plurality of supporting feet are uniformly distributed at the bottom of the base, and a plurality of mounting holes for mounting and fixing are formed in the top surface of the base;

The furnace shell is fixedly connected with the top surface of the base through screws, and a boss for supporting a cooker is arranged on the top surface of the furnace shell; the furnace shell is internally provided with the furnace end, the furnace end is connected with the air inlet pipe, the air inlet pipe is used for conveying fuel gas to the furnace end, the tail end of the air inlet pipe is provided with a micro fan used for conveying air into the air inlet pipe, and the micro fan enables the fuel gas and the air to be premixed in the air inlet pipe;

the side face of the furnace shell is provided with the support, and the air inlet pipe, the micro fan and the ignition assembly are all positioned below the support.

Preferably, the burner comprises a plurality of fire holes, a fire gathering ring is arranged on the burner, and flames sprayed out of the fire holes are distributed in the fire gathering ring.

Preferably, the bracket has an L-shaped structure.

Preferably, a flow regulating valve and an ignition switch are arranged on one side of the support, which is far away from the furnace shell, wherein the flow regulating valve is used for regulating the flow of the fuel gas.

Preferably, the micro fan is a variable speed fan, and the amount of the conveying air is controlled by adjusting the rotating speed of the fan.

Preferably, the ignition assembly comprises an igniter and an ignition needle, wherein the igniter is electrically connected with the ignition needle, the ignition needle is positioned above the burner, and the ignition needle is discharged by high-voltage electricity generated by the igniter, so that the mixed gas is ignited.

Preferably, the bottoms of the supporting legs are provided with anti-skid patterns.

Preferably, the furnace shell is made of a high-temperature-resistant and corrosion-resistant metal material.

The beneficial effects of the utility model are as follows:

The micro fan is arranged in the air inlet pipe to realize premixing of fuel gas and air, so that the combustion efficiency is greatly improved, the energy waste is reduced, and the emission of harmful gas is reduced.

The structure design of each part of the stove is reasonable, the truncated cone type base, the stove shell, the L-shaped bracket and the like are sequentially installed, so that the stability and operability of the stove can be improved, and the whole appearance structure design is compact and attractive.

The variable-speed micro fan, the flow regulating valve and other parts are adopted, so that a user can flexibly regulate the proportion of fuel gas and air and the fire power according to actual demands, and different cooking demands are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side elevational view of the present utility model;

FIG. 3 is a block diagram of a base;

FIG. 4 is a view showing a structure of a furnace shell;

FIG. 5 is a view of a fire collar structure;

Fig. 6 is a block diagram of the burner.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The premixed stove is characterized by comprising a base 100, a stove shell 200, a stove head 300, an air inlet pipe 301, a micro fan, an ignition assembly and a bracket 400.

The base 100 has a truncated cone-shaped structure, and the structural design can effectively increase the contact stability of the stove and the placement plane. A plurality of supporting feet 101 are uniformly distributed at the bottom of the stove, and anti-skidding lines are arranged at the bottom of each supporting foot 101, so that the stability of the stove in placing is further enhanced, and the stove is prevented from sliding in the using process. The top surface of the base 100 is provided with a plurality of mounting holes 102 for mounting and fixing, so that the base is convenient to assemble and fix with other components.

The furnace shell 200 is fixedly connected with the mounting hole 102 on the top surface of the base 100 through a screw, and the connection mode is stable and reliable. The furnace shell 200 is made of high-temperature-resistant and corrosion-resistant metal materials, such as ductile iron casting, is firm and durable, can bear high-temperature environment, ensures the service life of the furnace, and is not easy to corrode. The top surface of the stove outer covering 200 is provided with a boss 201 for supporting the cookware, so that the cookware can be placed more stably. A burner 300 is installed inside the furnace shell 200, the burner 300 is fixed at the middle position of the furnace shell 200, one side of the burner 300 is connected with an air inlet pipe 301, and the air inlet pipe 301 is used for conveying fuel gas to the burner 300. The miniature fan for conveying air into the air inlet pipe 301 is arranged at the tail end of the air inlet pipe 301, the miniature fan is a variable speed fan, and the quantity of conveying air is controlled by adjusting the rotating speed of the fan, so that the accurate premixing of fuel gas and air in the air inlet pipe 301 is realized, and a good combustion effect is ensured.

The support 400 is installed on the side surface of the furnace shell 200, and the support 400 is of an L-shaped structure, so that the structural design does not occupy excessive space, and related components can be effectively supported and laid out. The air inlet 301, micro-fan and ignition assembly are all located below the bracket 400. The bracket 400 is provided with a flow regulating valve 401 and an ignition switch 402 on one side far away from the stove housing 200, wherein the flow regulating valve 401 is used for regulating the flow of fuel gas, a user can flexibly regulate the fire power according to cooking requirements, and the ignition switch 402 is convenient for the user to perform ignition operation.

The micro fan and the ignition assembly are connected with a control module, and the control module comprises a controller, a sensor assembly and a power module;

The controller is used as the core of the whole micro fan control system and is usually a microprocessor or a singlechip. The micro fan control system can receive signals from the sensor assembly and control the running state of the micro fan according to a preset program and algorithm. For example, when detecting the ignition signal of the stove, the controller can rapidly start the micro-fan, and adjust the rotating speed of the micro-fan according to the preset mixing ratio of the fuel gas and the air, so as to ensure that the fuel gas and the air in the air inlet pipe achieve the optimal premixing effect.

The sensor assembly comprises a plurality of sensors, mainly a fuel gas concentration sensor and an air flow sensor. The gas concentration sensor is arranged at the position of the gas inlet pipe close to the furnace end and is used for monitoring the concentration of gas in the gas inlet pipe in real time.

The air flow sensor is arranged at the air outlet of the micro fan, accurately measures the air flow entering the air inlet pipe, and transmits data to the controller, so that the controller can accurately control the input quantity of the fuel gas according to the air flow, and the fuel gas and the air can always keep a proper mixing proportion.

And the power supply module is used for providing stable power supply for the whole micro fan control system. The device can convert externally connected commercial power (such as 220V alternating current) into direct current voltage (such as common 12V, 24V and the like) suitable for the operation of a controller, a sensor and a micro fan. Meanwhile, the power supply module also has the functions of overvoltage protection, overcurrent protection, filtering and the like, so that the damage to the control system caused by the problems of voltage fluctuation, overlarge current and the like is prevented, and the whole system can be ensured to run stably and reliably.

The burner 300 comprises a plurality of fire holes 302, the burner 300 is provided with a fire gathering ring 303, the fire gathering ring 303 is of an annular structure, flames sprayed out of the fire holes 302 are distributed in the fire gathering ring 303, and the fire gathering ring 303 can gather the flames, so that the heat utilization rate is improved, and the cooking is more efficient.

The ignition assembly comprises an igniter and an ignition needle, wherein the igniter is electrically connected with the ignition needle, the ignition needle is positioned above the furnace end 300, and the ignition needle is discharged through high-voltage electricity generated by the igniter, so that mixed gas is ignited, and the ignition mode is simple and reliable.

The assembly process comprises the following steps:

Placing the base 100 in place ensures that the support feet 101 are in smooth contact with the placement plane.

The furnace shell 200 is fixedly connected with the mounting hole 102 on the top surface of the base 100 by a screw.

A burner 300 is installed inside the furnace shell 200, and an intake pipe 301 is connected to the burner 300.

The micro fan is arranged at the tail end of the air inlet pipe 301, so that the air can be normally conveyed into the air inlet pipe.

An L-shaped bracket 400 is installed at a side of the furnace shell 200, and the air inlet pipe 301, the micro fan, and the ignition assembly are placed at a position below the bracket 400.

A flow regulating valve 401 and an ignition switch 402 are installed at a side of the bracket 400 remote from the furnace shell 200.

A firestop ring 303 is mounted on the burner 300.

The igniter is electrically connected to the ignition pin and the ignition pin is mounted in place above the burner 300.

The using process comprises the following steps:

The gas valve is opened and the gas flow is regulated to a proper level by the flow regulating valve 401.

According to the cooking demand, the rotating speed of the micro fan is regulated, the quantity of the conveying air is controlled, and the premixing of the fuel gas and the air is realized.

When the ignition switch 402 is pressed down, the igniter generates high-voltage electricity to discharge the ignition needle, the premixed gas in the gas inlet pipe is ignited, flames are sprayed out from the fire holes 302 of the furnace end 300 and distributed in the fire gathering ring 303, and the cookware placed on the boss 201 on the top surface of the furnace shell 200 is heated and cooked.

In the cooking process, the fire power and the mixing proportion of the fuel gas and the air can be adjusted at any time through the flow regulating valve 401 and the rotating speed of the micro fan according to actual conditions.

The premixed stove adopts the fan to support combustion, so that fuel gas is fully combusted, the energy is saved, the environment is protected, the ignition assembly 1 is provided with a flameout protection device, low-pressure fuel gas or pipeline natural gas is used, the premixed stove is safe and reliable, one-key operation is realized, pulse ignition is realized, simplicity and convenience are realized, firepower is strong, the working efficiency is improved, and the premixed stove is suitable for various methods such as frying, stewing and the like. The kitchen range jacquard thoroughly improves and solves the defects of the existing cast iron stoves in the market, such as incapability of using low-pressure fuel gas, insufficient combustion, too high flame, weak flame, too high danger, low working efficiency and the like, not only improves the combustion efficiency and the safety, but also simplifies the operation process, is suitable for various cooking demands, and has wide market application prospect.

The above description is illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, but is to be accorded the full scope of the claims.

Claims

1. The premixed stove is characterized by comprising a base (100), a stove shell (200), a stove head (300), an air inlet pipe (301), a micro fan, an ignition assembly and a bracket (400);

The base (100) is of a truncated cone structure, a plurality of supporting feet (101) are uniformly distributed at the bottom of the base, and a plurality of mounting holes (102) for mounting and fixing are formed in the top surface of the base (100);

The stove comprises a stove shell (200) and a base (100), wherein the top surface of the stove shell (200) is fixedly connected with the top surface of the base (100), a boss (201) for supporting a cooker is arranged on the top surface of the stove shell (200), a stove head (300) is arranged in the stove shell (200), the stove head (300) is connected with an air inlet pipe (301), the air inlet pipe (301) is used for conveying fuel gas to the stove head (300), a micro fan for conveying air into the air inlet pipe (301) is arranged at the tail end of the air inlet pipe (301), and the micro fan enables the fuel gas and the air to be premixed in the air inlet pipe (301);

The side surface of the furnace shell (200) is provided with the bracket (400), and the air inlet pipe (301), the micro fan and the ignition assembly are all positioned below the bracket (400);

The micro fan and the ignition assembly are connected with a control module, the control module comprises a controller, a sensor assembly and a power module, the controller is used for receiving signals of the sensor assembly to control the running state of the micro fan, and the sensor assembly comprises a fuel gas concentration sensor and an air flow sensor.

2. The premixed burner according to claim 1, wherein a plurality of fire holes (302) are formed in the burner (300), a fire focusing ring (303) is mounted on the burner (300), and flames sprayed out of the fire holes (302) are distributed in the fire focusing ring (303).

3. The premixed burner according to claim 1, wherein the bracket (400) has an L-shaped structure.

4. A premix burner according to claim 3, characterized in that the side of the support (400) remote from the burner housing (200) is provided with a flow regulating valve (401) and an ignition switch (402), wherein the flow regulating valve (401) is adapted to regulate the flow of the gas.

5. The premix burner of claim 1, wherein the mini fan is a variable speed fan, and the amount of air delivered is controlled by adjusting the rotational speed of the fan.

6. The premixed burner of claim 1, wherein the ignition assembly includes an igniter electrically connected to the ignition pin and an ignition pin above the burner (300), and the ignition pin is discharged by high voltage generated by the igniter to ignite the mixed gas.

7. A premix burner according to claim 1, characterized in that the bottom of the support feet (101) is provided with anti-skid threads.

8. The premixed burner according to claim 1, wherein the burner shell (200) is made of a high temperature and corrosion resistant metallic material.