CN211119509U - Air supply device for improving gas combustion efficiency of stove - Google Patents

Abstract

The utility model discloses an air supply device for improving cooking utensils gas combustion efficiency belongs to cooking utensils technical field. Wherein, the air supply device includes: the gas stove comprises a shell, a rotating shaft inserted in the shell, a driving mechanism coaxially connected with one end of the rotating shaft, and a plurality of rotary impellers sleeved on the rotating shaft, wherein one end of the shell, far away from the driving mechanism, is connected with a gas pipe of the stove through an air inlet pipe. Compared with the prior art, the utility model provides an air supply device for improving cooking utensils gas combustion efficiency can improve the combustion efficiency of cooking utensils gas, reduces the waste of gas resource, reduces the production of toxic gas through the abundant burning of gas, protects the health.

Description

Air supply device for improving gas combustion efficiency of stove

Technical Field

The utility model belongs to the technical field of cooking utensils device, especially, an air supply device for improving cooking utensils gas combustion efficiency.

Background

The stove is mainly used for cooking in a kitchen, a pot body is arranged on the stove, and the pot body is heated by burning fuel in a stove chamber to cook. The commonly used cooking utensils mainly include gas stoves and electromagnetic stoves. Gas stoves are mainly classified into natural gas stoves, liquefied petroleum gas stoves, and the like.

The gas-cooker mainly utilizes gas to burn in the air and produces heat and heat the pot body, and the gas needs the air to support combustion in combustion process, if the air supply is not enough, then can lead to the gas burning insufficient, problem that combustion efficiency is low. Therefore, the waste of gas resources is further caused, and meanwhile, toxic gas is generated during gas combustion, so that the human health is harmed.

In order to improve the combustion efficiency of gas and promote the full combustion of the gas, the prior art mainly adopts the adjustment of the gas supply quantity to prevent insufficient air supply caused by excessive gas, and the method can improve the combustion efficiency of the gas to a certain extent, but can cause the gas combustion flame to be smaller and reduce the heating efficiency of the cooker.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air supply device for improving gas combustion efficiency of a cooker to optimize the performance of the existing cooker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air supply device for improving the gas combustion efficiency of a kitchen range comprises a shell, a rotating shaft inserted in the shell, a driving mechanism coaxially connected with one end of the rotating shaft, and a plurality of rotating impellers sleeved on the rotating shaft, wherein the driving mechanism is fixedly connected with the inner wall of the shell through a connecting rod, the rotating impellers are fixedly connected with the rotating shaft, one end of the shell, far away from the driving mechanism, is connected with a gas pipe of the kitchen range through an air inlet pipe, and the air supply device sucks air and introduces the air into the gas pipe through the air inlet pipe to be mixed with gas; the driving mechanism drives the rotating shaft and the rotating impeller to rotate, the external air is sucked into the air inlet pipe, then the air is made to enter the gas pipe to be mixed with the gas, the gas is fully combusted during combustion due to the mixing with the air, and the combustion efficiency is improved.

In a further embodiment, the rotary impeller includes a rotary shaft sleeve sleeved on the rotary shaft, a rotary wheel disc sleeved on the rotary shaft sleeve, and a plurality of rotary blades arranged on the outer peripheral surface of the rotary wheel disc, the rotary blades are uniformly distributed along the circumferential direction of the outer peripheral surface of the rotary wheel disc, and the rotary impeller rotates to make the blades disturb air, so that the air flows along the axial direction of the rotary impeller, and the air is sucked into the housing.

In a further embodiment, the faces of the rotating blades are perpendicular to the outer circumferential surface of the rotating disk, and the faces of the rotating blades and the axis of the rotating disk form an included angle α.

In a further embodiment, an included angle α =45 ° between the blade surface of the rotary blade and the axis of the rotary disk, the rotary blade collides with air in the rotation process, the air contacts with the blade surface of the rotary blade along the circumferential direction of the rotary disk, the moving direction of the air is changed by rebounding of the blade surface, and when α is set to 45 °, the moving direction after the air is changed is parallel to the circumferential direction of the rotary disk, so that the risk of being blocked and returned in the air flowing process is reduced, the air supply amount of the air supply device is increased, more air is provided for combustion supporting for gas, and the combustion efficiency of the gas is increased.

In a further embodiment, the shell is in a conical structure, the inner diameter of one end of the shell, which is close to the driving mechanism, is larger than that of one end of the shell, which is close to the air inlet pipe, and the diameter of the rotary wheel disc of the rotary impeller, which is close to one end of the driving mechanism, is larger than that of the rotary wheel disc of the rotary impeller, which is close to one end of the air inlet pipe; because the volume when the casing is close to air intake pipe one end reduces gradually and causes the air of being inhaled to be compressed gradually, the molecular collision is accelerated when the air is compressed, and the temperature improves, can improve the temperature when air and gas mix through this setting, can do benefit to the gas combustion, can also improve gas combustion efficiency.

In a further embodiment, a protective net is arranged at one end of the shell, which is far away from the air inlet pipe, and the protective net can prevent impurities in the air from being sucked into the shell to cause pollution of the rotary impeller.

In a further embodiment, the driving mechanism comprises a conical drainage cover and a motor, an output shaft of the motor is fixedly connected with a rotating shaft, one end of the motor, far away from the rotating shaft, is fixedly connected with the conical drainage cover, and the tip of the conical drainage cover points to the opposite direction of the motor; through setting up toper drainage cover to the air drainage, reduce the air volume that is blockked by the motor, the rotatory impeller of being convenient for inhales more air, for the gas combustion provides combustion-supporting air, promotes the abundant burning of gas, improves gas combustion efficiency.

In a further embodiment, the air supply further comprises a controller including a delay control module that controls the delayed turning off of the motor. After the heating of the pot body is finished, the gas stops being supplied, the temperature of the cooker is higher at the moment, the delay control module controls the motor to continue to operate, the air supply device continues to suck air, the waste heat on the cooker is led out and is diffused to the atmosphere, and the emission of the waste heat of the cooker can be improved through the arrangement.

Has the advantages that: the utility model provides an improve cooking utensils gas combustion efficiency's air supply device can improve the combustion efficiency of cooking utensils gas, reduces the waste of gas resource, reduces the production of toxic gas through making the gas fully burn, protects the health.

Drawings

Fig. 1 is a cross-sectional view of an air supply unit 1/4 according to the present invention.

Fig. 2 is a schematic connection diagram of the bearing, the supporting shaft sleeve and the supporting frame of the present invention.

Fig. 3 is a schematic structural view of the cooker of the present invention.

Fig. 4 is a schematic structural view of the rotary impeller of the present invention.

Fig. 5 is a top view of the rotary impeller and the rotary shaft according to the present invention.

Fig. 6 is a schematic structural diagram of the driving mechanism of the present invention.

Each of fig. 1 to 6 is labeled as: the air supply device 10, the housing 11, the rotating shaft 12, the bearing 121, the supporting shaft sleeve 122, the supporting frame 123, the driving mechanism 13, the flow guide cover 131, the motor 132, the annular connecting portion 1321, the rotating impeller 14, the rotating shaft sleeve 141, the rotating wheel disc 142, the rotating blades 143, the connecting rod 15, the ferrule base 16, the protective net 17, the panel 21, the bottom case 22, the gas pipe 31, the gas inlet pipe 311, the gas shunt pipe 312, the electromagnetic valve 32, the burner 41, the distributor 42, the large fire cover 43, the small fire cover 44, the liquid containing disc 45, the control knob 51, the igniter 52, the battery 53, and the ignition needle 54.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

The research of researchers finds that: the stove is mainly used for kitchen cooking, and the commonly used stove mainly comprises a gas stove and an electromagnetic stove. The gas stove mainly utilizes the heat generated by combustion of gas in air to heat the pot body, and because the gas needs air to support combustion in the combustion process, if the air is not supplied enough, the problems of insufficient combustion of the gas and low combustion efficiency can be caused. Thereby causing the waste of gas resources and generating toxic gas which is harmful to human health. The prior art mainly adopts the regulation gas supply, prevents that the gas is excessive and leads to the air supply not enough, and this method can improve gas combustion efficiency to a certain extent, but can lead to gas combustion flame less, reduces the heating efficiency of cooking utensils.

As shown in fig. 1, the present invention provides an air supply device 10 for improving the gas combustion efficiency of a stove. The air supply device 10 includes a housing 11, a rotating shaft 12 inserted in the housing 11, a driving mechanism 13 coaxially connected to one end of the rotating shaft 12, and a plurality of rotating impellers 14 sleeved on the rotating shaft 12.

Specifically, with reference to fig. 2 and 3, the bearings 121 are respectively sleeved at positions of the circumferential surface of the rotating shaft 12 close to the two ends, the inner ring of the bearing 121 is in interference fit with the rotating shaft 12, the supporting shaft sleeve 122 is sleeved outside the bearing 121, the outer ring of the bearing 121 is in interference fit with the supporting shaft sleeve 122, a plurality of supporting frames 123 are welded on the outer circumferential surface of the supporting shaft sleeve 122, the supporting frames 123 are fixedly connected with the inner wall surface of the housing 11, the rotating shaft 12 and the housing 11 are coaxially arranged, and the rotating shaft 12 can coaxially rotate with respect to the. Actuating mechanism 13 passes through connecting rod 15 and 11 inner walls fixed connection of casing, rotatory impeller 14 and pivot 12 fixed connection, the one end that actuating mechanism 13 was kept away from to casing 11 is connected with the gas pipe 31 of cooking utensils through the air intake pipe. The cooker main body in the embodiment comprises a bottom shell 22 and a panel 21, wherein the bottom shell 22 is made of stainless steel materials, the panel 21 is made of toughened glass, a rectangular recess is formed in the middle of the bottom shell 22, the panel 21 is of a rectangular structure, the length and the width of the panel 21 are both larger than those of the bottom shell 22, the panel 21 covers the bottom shell 22, an accommodating cavity is formed between the bottom shell 22 and the panel 21, meanwhile, supporting legs are respectively arranged at four corners of the bottom shell 22, so that the cooker can be placed horizontally, ferrule bases 16 are arranged at two ends of a shell 11, and an air supply device 10 is fixedly connected with the inner wall surface of the bottom shell 22 through the ferrule bases 16; the gas supply mechanism is arranged in the accommodating cavity and connected with the inner wall of the bottom shell 22, the gas supply mechanism comprises a gas pipe 31, the gas pipe 31 comprises a gas inlet pipe 311 and a gas shunt pipe 312 connected with one end of the gas inlet pipe 311, the other end of the gas inlet pipe 311 is provided with an electromagnetic valve 32, the shell 11 of the air supply device 10 is connected with the gas shunt pipe 312 through an air inlet pipe, one end of the gas inlet pipe 311 penetrates through the bottom surface of the shell 11 and extends out of the shell 11, the other end of the gas inlet pipe 311 is connected with the gas shunt pipe 312, the electromagnetic valve 32 is arranged on the gas inlet pipe 311 and controls the on-off of the gas inlet pipe 311, and the gas inlet pipe 311 and the gas shunt pipe 312 are; the combustion mechanism comprises a furnace end 41 connected with one end of the fuel gas shunt pipe 312, which is far away from the fuel gas inlet pipe 311, a distributor 42 arranged on the furnace end 41, a large fire cover 43 and a small fire cover 44 arranged on the distributor 42, and a liquid containing disc 45 sleeved on the distributor 42, the furnace end 41 is made of silicon-aluminum alloy, the silicon-aluminum alloy has strong heat conductivity and can promote the heating performance of the stove, and cast iron materials with lower cost can be adopted in practical application, but the cast iron materials are easy to rust, the furnace end 41 comprises two injection pipes, and the injection pipes are connected with the fuel gas shunt pipe 312; the fire distributor 42 is of a disc-shaped structure, the fire distributor 42 comprises an inner disc and an outer disc, the inner disc and the outer disc are connected through a connecting block, annular grooves are respectively formed in the top surfaces of the inner disc and the outer disc towards the bottom surface, the annular grooves are convenient for gas circulation, a big fire cover 43 is arranged on the outer disc, and a small fire cover 44 is arranged on the inner disc; the edge of the bottom surface of the liquid containing disc 45 is abutted against the upper surface of the panel 21, and the liquid containing disc 45 can prevent oil on the panel 21 from dripping into the containing cavity to cause corrosion of internal parts; the control mechanism comprises a control knob 51 arranged on the control panel 21, an igniter 52 arranged in the accommodating cavity, a battery 53 arranged in the accommodating cavity and an ignition needle 54 inserted between the large fire cover 43 and the small fire cover 44; meanwhile, the control knob 51, the battery 53 and the igniter 52 are electrically connected in series, the igniter 52 and the ignition needle 54 are electrically connected, and the control knob 51, the battery 53 and the solenoid valve 32 are electrically connected in series. The control knob 51 is rotated, the electromagnetic valve 32 is opened, gas enters the gas shunt pipe 312 through the gas inlet pipe 311, meanwhile, the driving mechanism 13 of the air supply device 10 drives the rotating shaft 12 and the rotating impeller 14 to rotate, external air is sucked into the air inlet pipe, then the air enters the gas pipe 31 to be mixed with the gas, the gas of mixed air enters the burner 41 through the ejection pipe and emerges from the large fire cover 43 and the small fire cover 44 through the distributor 42, the igniter 52 ignites through the ignition needle 54 to enable the gas to be combusted to heat a pot body placed on a stove, the gas and the air are mixed, more combustion-supporting air can be provided for the gas combustion, the gas combustion is enabled to be more sufficient, and the combustion efficiency is improved; after the heating is completed, the control knob 51 is rotated, the solenoid valve 32 is closed, the gas supply is stopped, and the flame is extinguished. In addition, the control mechanism in this embodiment further includes a flameout protection needle, the flameout protection needle is inserted between the large and small fire covers 44, and the flameout protection needle is electrically connected in series with the battery 53 and the electromagnetic valve 32, when the flame of the cooker is accidentally extinguished, the series circuit of the flameout protection needle, the battery 53 and the electromagnetic valve 32 is disconnected, the electromagnetic valve 32 is closed, and the supply of the fuel gas is stopped, so as to prevent the fuel gas from leaking.

Referring to fig. 4, the rotary impeller 14 of the present embodiment includes a rotary sleeve 141 sleeved on the rotary shaft 12, a rotary disk 142 sleeved on the rotary sleeve 141, and a plurality of rotary blades 143 disposed on an outer circumferential surface of the rotary disk 142. Meanwhile, the rotary blades 143 are circumferentially and uniformly distributed along the outer circumferential surface of the rotary disk 142, the rotary impeller 14 rotates to make the blades disturb air, the blades contact with the air to deflect the air, the air flows along the axial direction of the rotary impeller 14, the air is sucked into the shell 11, a threaded hole is formed between the inner wall and the outer wall of the rotary shaft sleeve 141, the rotary shaft sleeve 141 and the rotating shaft 12 can be fixed by arranging a screw in the threaded hole, and therefore the rotary impeller 14 and the rotating shaft 12 are fixed.

Referring to fig. 5, in a further embodiment, the faces of the rotary blades 143 are perpendicular to the outer circumferential surface of the rotary disk 142, and the faces of the rotary blades 143 form an included angle α with the axis of the rotary disk 142, in order to allow the air supply device 10 to suck more air, an included angle α =45 ° is set, the rotary blades 143 collide with air during rotation, the air collides with the faces of the rotary blades 143 along the circumferential direction of the rotary disk 142, the moving direction of the air is changed by the rebounding of the faces, when α is set to 45 °, the air collides with the blades from the circumferential direction of the rotary disk 142, and the angle between the direction in which the air collides with the faces of the rotary blades 143 is 45 °, the included angle between the direction in which the air is rebounded and the original colliding direction is 90 °, and the moving direction in which the air is changed is parallel to the circumferential direction of the rotary disk 142, so that the risk of being blocked from returning during the air flowing is reduced, the air supply amount of the air supply device 10 is increased, more air is supplied for combustion supporting combustion of.

In a further embodiment, the casing 11 has a conical structure, the inner diameter of the end of the casing 11 close to the driving mechanism 13 is larger than the inner diameter of the end of the casing 11 close to the air inlet pipe, and meanwhile, the diameter of the rotary disk 142 of the rotary impeller 14 close to the end of the driving mechanism 13 is larger than the diameter of the rotary disk 142 of the rotary impeller 14 close to the end of the air inlet pipe; since the volume of the air to be sucked is gradually compressed due to the gradual reduction of the volume of the housing 11 near the end of the air intake pipe, collision of air molecules is accelerated when the air is compressed, resulting in an increase in temperature. Through this setting can improve the temperature when air and gas mix, can do benefit to the gas combustion, can also improve gas combustion efficiency.

During the operation of the air supply device 10, impurities in the air are sucked into the housing 11 along with the air, and the impurities can contaminate the rotating blades 143 and even enter the gas bypass pipe 312, so that the impurities in the gas are excessive, and sparks are generated during the combustion of the gas. In order to reduce these risks, in a further embodiment, the end of the housing 11 remote from the air intake pipe is provided with a protective net 17, and the amount of impurities in the air sucked into the housing 11 is reduced by the protective net 17.

In a further embodiment, referring to fig. 6, the driving mechanism 13 includes a conical flow guiding cover 131 and a motor 132, an output shaft of the motor 132 is fixedly connected with the rotating shaft 12, and in order to ensure the coaxiality, a coupling is provided at the connection position of the output shaft of the motor 132 and the rotating shaft 12. An annular connecting part 1321 is arranged at one end, away from the rotating shaft 12, of the motor 132, a threaded hole is formed in the annular connecting part 1321, the motor 132 and the conical drainage cover 131 are fixedly connected through arranging a screw in the threaded hole, and the tip of the conical drainage cover 131 points to the opposite direction of the motor 132; a plurality of connecting rods 15 are welded on the outer conical surface of the flow guide cover 131, the flow guide cover 131 is arranged in the shell 11 through the connecting rods 15, and the motor 132 is fixed due to the fixation of the flow guide cover 131; in the process of air suction of the air supply device 10, the conical flow guide cover 131 guides air, so that the amount of air blocked by the motor 132 is reduced, the impeller 14 can be rotated conveniently, more air is sucked into the shell 11, combustion-supporting air is provided for gas combustion, the gas is promoted to be fully combusted, and the gas combustion efficiency is improved.

In a further embodiment, the air supply assembly 10 further includes a controller including a time delay control module that controls the delayed shut down of the motor 132. The battery 53, the controller and the motor 132 are connected in series, and the control knob 51 is electrically connected with the controller. After the heating of the pot body is finished, the gas stops being supplied, the temperature of the combustion mechanism is higher at the moment, the delay control module controls the motor 132 to continue to operate, the air supply device 10 continues to suck air, the air passes through the combustion mechanism and leads out the waste heat of the combustion mechanism and enables the waste heat to be spread to the atmosphere, and the emission of the waste heat of the combustion mechanism can be improved through the arrangement.

The utility model provides an improve cooking utensils gas combustion efficiency's air supply device 10, drive pivot 12 and rotatory impeller 14 rotation through motor 132, make air supply device 10 intake air, and pass through the leading-in gas pipe 31 of air intake pipe with the inhaled air and mix with the gas, obtain more combustion-supporting air when making the gas burning, thereby improve the combustion efficiency of cooking utensils gas, reduce the waste of gas resource, reduce the production of toxic gas through making the abundant burning of gas, protect human healthy, in this in-process, because the flow of gas is not reduced, consequently, the flame of gas burning can not reduce, on the contrary because the air supply is sufficient, the gas burning is abundant, the flame of burning is bigger, improve the heating rate of cooking utensils.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an air supply device for improving cooking utensils gas combustion efficiency, a serial communication port, air supply device includes the casing, inserts the pivot of locating in the casing, locates the rotatory impeller of pivot with pivot one end coaxial coupling's actuating mechanism, a plurality of cover, actuating mechanism passes through connecting rod and shells inner wall fixed connection, rotatory impeller and pivot fixed connection, actuating mechanism's one end is kept away from to the casing is passed through the gas union coupling of air intake pipe with cooking utensils, air supply device inhales the air and introduces the gas pipe through the air intake pipe and mixes with the gas.

2. The air supply device according to claim 1, wherein the rotary impeller includes a rotary sleeve, a rotary disk fitted over the rotary sleeve, and a plurality of rotary blades provided on an outer peripheral surface of the rotary disk, the rotary blades being uniformly distributed along the outer peripheral surface of the rotary disk in a circumferential direction.

3. The air supply apparatus according to claim 1, wherein the housing has a conical structure, an inner diameter of an end of the housing adjacent to the driving mechanism is larger than an inner diameter of an end of the housing adjacent to the air intake duct, and a diameter of the rotary disk of the rotary impeller adjacent to the end of the driving mechanism is larger than a diameter of the rotary disk of the rotary impeller adjacent to the end of the air intake duct.

4. The air supply apparatus according to claim 2, wherein the faces of the rotary blades are perpendicular to the outer peripheral surface of the rotary disk, and the faces of the rotary blades and the axis of the rotary disk form an included angle α.

5. The air supply apparatus according to claim 4, wherein an angle α =45 ° between the face of the rotary blade and the axis of the rotary disk.

6. The air supply apparatus according to claim 1, wherein an end of the housing remote from the air intake duct is provided with a protective net.

7. The air supply device according to claim 1, wherein the driving mechanism comprises a conical flow guide cover and a motor, an output shaft of the motor is fixedly connected with the rotating shaft, one end of the motor, which is far away from the rotating shaft, is fixedly connected with the conical flow guide cover, and a tip of the conical flow guide cover points to the opposite direction of the motor.

8. The air supply of claim 7, further comprising a controller including a delay control module that controls the delayed turning off of the motor.

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