Energy-saving type stove head and stove

Abstract

The application discloses an energy-saving type stove head and a stove, which comprises a combustion part and a gas supply part. The gas supply part comprises a first gas supply pipe and a second gas supply pipe for supplying gas to the combustion part. The first gas supply pipe and the second gas supply pipe are provided with a damper control mechanism. The damper control mechanism provides the functions of linkage adjustment and independent slight adjustment. The stove provided by the application has the energy-saving type stove head. During use, the opening degree of the damper is adjusted according to the opening degree of the ignition valve, so that the opening degrees of the dampers of the inner fire ring and the outer fire ring are adjusted in linkage. Meanwhile, based on the principle that the flame will rise when the damper is too large, a thermocouple is arranged to feedback, so that two ratchet mechanisms are cooperated with a second adjusting motor to independently adjust two damper cover plates, so as to realize the forward linkage adjustment and the reverse independent slight adjustment, thereby ensuring that the air and the gas are in a relatively matched proportion, ensuring the combustion efficiency, and achieving the energy-saving purpose through outer flame heating.

Description

TECHNICAL FIELD

[0001] The present application relates to gas stoves, in particular to energy-saving type burner and gas stove. BACKGROUND

[0002] ‌The main function of gas stoves and burners is to produce heat through the combustion of fuel to meet the needs of cooking, heating, etc., and the fuel is generally liquefied gas and natural gas.

[0003] The burner of the gas stove and the burner includes a fire ring and a gas supply pipeline, the gas supply pipeline delivers gaseous fuel to the fire ring and ignites by an electronic lighter to burn, and the temperature is monitored in real time by a thermocouple and fed back during the burning process, and the size of the burning flame is mainly controlled by the size of the gas supply, and the gas valve provided at the burner is used to mix air to ensure that the gas can be completely burned while avoiding the height of the flame being too high.

[0004] There are two ways to adjust the existing gas valve, one is to change the size of the gas valve opening by manually turning the dial, but since the gas valve is set below the gas stove or the burner, if it is found during use that the flame is not burning sufficiently or the flame height is too high, the switch needs to be turned off and turned over to adjust, which will result in the inability to determine whether the adjustment is in place according to the color of the flame, the other is electric adjustment, such as the patent with the application number 2020102020768 discloses an automatic adjustment of the air door, gas stove, integrated stove, which sets external teeth on two air door cover plates, and controls the rotation of the two air door cover plates by setting two motors to replace manual adjustment; but since the gas path structure is divided into two gas paths for supplying gas to the center fire ring and the outer fire ring, and the center fire ring is first opened to supply air and burn when in use, the outer fire ring is supplied with gas and burns only when the gas path valve is adjusted to a certain extent, and the adjustment of the gas supply is realized by the angle of the total valve, therefore the above patent cannot adjust the gas valve according to the angle of the total valve, but only can be adjusted separately, this mechanism will affect the adjustment mechanism, that is, when the gas supply is adjusted, the gas valve is not adjusted, only when the gas supply is adjusted and it is found that the gas supply is insufficient or excessive, the adjustment is made, which will obviously affect the thermal efficiency, such as insufficient gas supply resulting in insufficient burning, excessive gas supply causing the flame to be too high to be heated by the outer flame, and at this time manual adjustment will be more cumbersome, and each time the gas valve needs to be adjusted based on the previous opening degree, and it is not possible to quickly adjust to the corresponding gear, therefore there is an urgent need for a burner that can automatically adjust the size of the gas valve according to the opening degree of the valve and fine-tune according to the flame temperature to ensure the burning efficiency and improve the energy efficiency. SUMMARY

[0005] Based on the prior art, the air valve is independently driven for adjustment, which cannot be adjusted synchronously when being opened, resulting in that the opening degree of the air valve cannot be matched with the air supply amount after starting to supply air, and the energy efficiency is low, the energy-saving type stove head and the stove are provided.

[0006] The technical scheme adopted by the present application to solve the above technical problems is:

[0007] The energy-saving type stove head comprises a combustion part and a gas supply part, the gas supply part comprises a first gas supply pipe and a second gas supply pipe for supplying gas to the combustion part, and a damper control mechanism is arranged at the first gas supply pipe and the second gas supply pipe.

[0008] The first air inlet is located at the end of the first gas supply pipe and is a 90-degree circular arc hole;

[0009] The second air inlet is located at the end of the second gas supply pipe and is a 60-degree circular arc hole;

[0010] The first damper cover plate is arranged at the end of the first gas supply pipe and is provided with a 45-degree circular arc hole, a connecting sleeve is arranged thereon, a first gear ring is arranged at the end of the connecting sleeve, when the first gear ring is reversely rotated, the circular arc hole thereon overlaps the circular arc hole on the first air inlet to form an air inlet channel, and when the first gear ring is rotated by 30-45 degrees, the area of the air inlet channel remains unchanged;

[0011] The second damper cover plate is arranged at the end of the second gas supply pipe and is provided with a 60-degree circular arc hole, a connecting sleeve is arranged thereon, and a second gear ring is arranged at the end of the connecting sleeve, after the second gear ring is positively rotated by 30 degrees, the circular arc hole thereon overlaps the circular arc hole on the second air inlet to form an air inlet channel;

[0012] The first air inlet pipe penetrates the center of the first damper cover plate and is detachably connected to the end of the first gas supply pipe;

[0013] The second air inlet pipe penetrates the center of the second damper cover plate and is detachably connected to the end of the second gas supply pipe;

[0014] The spring is sleeved on the two first air inlet pipes and the two second air inlet pipes respectively, and the two springs respectively apply elastic force to the first damper cover plate and the second damper cover plate to make the first damper cover plate and the second damper cover plate abut against the ends of the first gas supply pipe and the second gas supply pipe respectively;

[0015] The controller;

[0016] The driving mechanism is controlled by the controller and comprises:

[0017] The inner gear ring is engaged with the second gear ring, and a first gear is arranged in the inner gear ring and engaged with the first gear ring and the second gear ring simultaneously;

[0018] The first adjusting motor is connected with the first gear.

[0019] The second adjusting motor is provided with a first ratchet disc and a second ratchet disc on the output shaft, and the two ratchet discs are respectively engaged with the first gear ring and the second gear ring. The first ratchet disc and the second ratchet disc are respectively provided with a groove, and the side wall of the groove is provided with a ratchet groove. The first pawl and the second pawl are respectively arranged in the two grooves and are fixed to the output shaft. When the second adjusting motor rotates in the forward direction, the first pawl drives the first ratchet disc to rotate in the forward direction. When the second adjusting motor rotates in the reverse direction, the second pawl drives the second ratchet disc to rotate in the reverse direction. In the embodiment, the first gear ring and the second gear ring each include two gear rings with different outer diameters, one of which is used for engaging with the ratchet disc, and the other is used for engaging with the outer gear ring or the first gear.

[0020] The first sensing mechanism is connected with the controller and is used for sensing the rotation angle of the ignition valve and feeding back to the controller.

[0021] The second sensing mechanism is connected with the controller and is used for monitoring the temperature at at least two different height positions of the fire ring and feeding back to the controller.

[0022] As a preferred embodiment, the first sensing mechanism includes an arc-shaped magnetic steel arranged on the ignition valve and a Hall sensor matched with the magnetic steel. The Hall sensor is connected with the controller. When the rotary knob is rotated, the Hall sensor senses the change of the magnetic field and converts it into the rotation amplitude of the ignition valve, and transmits the signal to the controller. The controller controls the first adjusting motor to rotate according to the rotation amplitude and synchronously increases the opening amplitude of the two air inlets.

[0023] As a preferred embodiment, the second sensing mechanism includes a plurality of groups of thermocouples arranged at the inner fire ring and the outer fire ring. Each group includes at least two thermocouples with different heights. The thermocouples with different heights are used for detecting the temperature of the flame and the temperature of the flame at different heights, so as to judge whether the combustion is sufficient and whether the flame is too high.

[0024] As a preferred embodiment, the end of the first connecting pipe and the second connecting pipe is respectively provided with a first metal pipe and a second metal pipe. The end of the first air inlet pipe and the second air inlet pipe is provided with a mounting hole. The first metal pipe and the second metal pipe penetrate the center of the first damper cover plate and the second damper cover plate and are detachably mounted in the mounting hole for conveying fuel gas.

[0025] As a preferred embodiment, the center of each arc-shaped hole is located on the central axis of the corresponding first metal pipe or second metal pipe.

[0026] As a preferred embodiment, one side of the first damper cover plate and the second damper cover plate is provided with a cylindrical body. The cylindrical body is respectively attached to the first metal pipe and the second metal pipe, and the cylindrical body is rotatably and slidingly matched with the first metal pipe or the second metal pipe. The spring is located outside the cylindrical body and in the connecting sleeve.

[0027] As preferred, the first and second ratchet wheels are both circular structures and are rotatably connected with the output shaft of the second adjusting motor through bearings arranged at the center of the grooves, the first and second pawls are the same in structure and each include a rotating piece fixedly connected with the output shaft of the second adjusting motor in the groove and two pawl bodies hingedly connected at the two ends of the rotating piece, a torsion spring for resetting is arranged between the pawl body and the rotating piece, when the rotating piece rotates to one side, one set of pawl bodies is buckled in the ratchet groove to drive one of the ratchet wheels to rotate, when the rotating piece rotates to the other side, the other set of pawl bodies is buckled in the ratchet groove to drive the other ratchet wheel to rotate.

[0028] The stove comprises a shell, a firing valve arranged through the shell and used for firing and adjusting the size of the air door, and the energy-saving stove head described above, a through hole is arranged on the shell, the gas supply part is arranged in the space below the shell and the combustion part is arranged at the through hole, one end of the firing valve is connected with the gas supply pipeline, the other end is connected with the first air inlet pipe and the second air inlet pipe through a two-way structure, and the firing valve is connected with the controller.

[0029] Compared with the prior art, the stove provided by the present application has the energy-saving stove head, which adjusts the opening degree of the air door according to the opening degree of the firing valve during use, so that the opening degrees of the inner fire ring and the outer fire ring are linked and adjusted, at the same time, based on the principle that the flame will rise when the air door is too large, a thermocouple is arranged to feed back, so that the two damper cover plates are separately adjusted by the second adjusting motor in cooperation with the two ratchet mechanisms, to realize positive linkage adjustment and reverse separate fine adjustment, so as to ensure that the air and the gas are in a relatively matched proportion, ensure the combustion efficiency, heat through the outer flame, and achieve the purpose of energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0030] The present application will be further described in detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be regarded as a limitation on the scope of the present application. In addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described objects and can include exaggerated display, and the drawings are not necessarily drawn to scale.

[0031] Figure 1 is a perspective view of the burner head in Example 1;

[0032] Figure 2 and Figure 3 is an exploded view of the burner head in Example 1;

[0033] Figure 4 is an exploded view of the drive mechanism in Example 1;

[0034] Figure 5 and Figure 6isometric view of the ratchet structure in Example 1;

[0035] Figure 7 isometric view of the driving mechanism in Example 1;

[0036] Figure 8 isometric view of Example 2;

[0037] In the figure: 10, combustion part; 101, inner fire ring; 102, outer fire ring; 20, gas supply part; 200, mounting frame; 201, first gas supply pipe; 2011, first air inlet; 202, second gas supply pipe; 2021, second air inlet; 203, first damper cover plate; 2030, connecting sleeve; 204, second damper cover plate; 2040, spring; 205, outer gear ring; 206, first metal pipe; 207, second metal pipe; 208, first adjusting motor; 209, second adjusting motor; 210, first gear; 211, first gear ring; 212, second gear ring; 213, first ratchet disc; 2131, first pawl; 2132, 2142, pawl body; 214, second ratchet disc; 2141, second pawl; 30, shell; 40, ignition valve. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present application will be described in detail below with reference to the attached drawings, which should be considered in conjunction with the detailed description. It will be appreciated by those skilled in the art that these descriptions are only exemplary and should not be construed as limiting the scope of the present application.

[0039] It should be noted that similar reference numerals refer to similar items throughout the attached drawings, and once an item is defined in one drawing, it can not be further defined and explained in subsequent drawings. EMBODIMENT

[0040] This embodiment mainly describes the title of the energy-saving stove, which is as follows:

[0041] The energy-saving stove comprises a combustion part 10 and a gas supply part 20, the gas supply part 20 comprises a first gas supply pipe 201 and a second gas supply pipe 202 for supplying gas to the combustion part 10, and the first gas supply pipe 201 and the second gas supply pipe 202 are provided with a damper control mechanism, the damper control mechanism comprises:

[0042] The first air inlet 2011 is located at the end of the first gas supply pipe 201 and is a 90-degree circular arc hole;

[0043] The second air inlet 2021 is located at the end of the second gas supply pipe 202 and is a 60-degree circular arc hole;

[0044] The first air door cover plate 203 is arranged at the end of the first air supply pipe 201 and has a 45-degree arc-shaped hole. A connecting sleeve 2030 is arranged on the first air door cover plate 203, and a first gear ring 211 is arranged at the end of the connecting sleeve 2030. When the first gear ring 211 rotates reversely, the arc-shaped hole overlaps with the arc-shaped hole on the first air inlet 2011 to form an air inlet channel, and when the first gear ring 211 rotates by 30-45 degrees, the area of the air inlet channel remains unchanged.

[0045] The second air door cover plate 204 is arranged at the end of the second air supply pipe 202 and has a 60-degree arc-shaped hole. A connecting sleeve is arranged on the second air door cover plate 204, and a second gear ring 212 is arranged at the end of the connecting sleeve. When the second gear ring 212 rotates forward by 30 degrees, the arc-shaped hole overlaps with the arc-shaped hole on the second air inlet 2021 to form an air inlet channel.

[0046] The first air inlet pipe penetrates the center of the first air door cover plate 203 and is detachably connected to the end of the first air supply pipe 201.

[0047] The second air inlet pipe penetrates the center of the second air door cover plate 204 and is detachably connected to the end of the second air supply pipe 202.

[0048] The spring 2040 is arranged on the first air inlet pipe and the second air inlet pipe respectively, and the two springs 2040 respectively apply elastic force to the first air door cover plate 203 and the second air door cover plate 204 to make the first air door cover plate 203 and the second air door cover plate 204 abut against the ends of the first air supply pipe 201 and the second air supply pipe 202 respectively.

[0049] The controller;

[0050] The driving mechanism is controlled by the controller and includes:

[0051] The inner gear ring is engaged with the second gear ring 212, and a first gear 210 is arranged inside the inner gear ring and engaged with the first gear ring 211 and the second gear ring 212.

[0052] The first adjusting motor 208 is connected with the first gear 210 through the output shaft.

[0053] The second adjusting motor 209 has a first ratchet disc 213 and a second ratchet disc 214 with outer gear rings 205 rotating on the output shaft. The two outer gear rings 205 are engaged with the first gear ring 211 and the second gear ring 212 respectively. The first ratchet disc 213 and the second ratchet disc 214 are both provided with grooves, and the side walls of the grooves are provided with ratchet grooves. The first ratchet disc 213 and the second ratchet disc 214 are both provided with the first ratchet claw 2131 and the second ratchet claw 2141 fixed on the output shaft. When the second adjusting motor 209 rotates forward, the first ratchet claw 2131 drives the first ratchet disc 213 to rotate forward. When the second adjusting motor 209 rotates reversely, the second ratchet claw 2141 drives the second ratchet disc 214 to rotate reversely.

[0054] A first sensing mechanism connected to the controller for sensing the rotation angle of the ignition valve 40 and feeding back to the controller;

[0055] A second sensing mechanism connected to the controller for monitoring the temperature at at least two different height positions of the fire ring and feeding back to the controller.

[0056] As a preferred embodiment, the first sensing mechanism comprises a circular arc-shaped magnetic steel arranged on the ignition valve 40 and a Hall sensor matched with the magnetic steel, the Hall sensor is connected to the controller, when the knob is rotated, the Hall sensor senses the change of the magnetic field and converts it into the rotation amplitude of the ignition valve 40, and transmits the signal to the controller, the controller controls the first adjusting motor 208 to rotate according to the rotation amplitude and synchronously increase the opening amplitude of the two air inlets. The center of the magnetic steel is located on the rotation center line of the knob of the ignition valve 40, when the knob of the ignition valve 40 is rotated, the position of the magnetic steel and the Hall sensor changes, which brings the change of the magnetic field strength, the Hall sensor judges the rotation amplitude of the knob according to the change of the magnetic field strength, in order to improve the accuracy, a plurality of circular arc-shaped arrayed Hall sensors can be arranged to jointly sense.

[0057] As a preferred embodiment, the second sensing mechanism comprises a plurality of groups of thermocouples arranged at the inner fire ring 101 and the outer fire ring 102, each group comprises at least two thermocouples with different heights, the thermocouples with different heights are used to detect the temperature of the flame and the temperature of the flame at different heights, so as to judge whether the combustion is sufficient and whether the flame is too high. When the height of the flame changes, the temperature measured by the thermocouples in the same group will change greatly, the opening of the air valve is automatically adjusted through temperature feedback and the second control motor, the adjustment at this place is mainly the small adjustment of the air valve, in the actual adjustment process, the small adjustment can be made based on the maximum gas volume of the inner fire ring 101 under the standard gas volume, and the temperature difference between the different heights of the flame and the different heights of the standard gas volume.

[0058] As a preferred embodiment, the end of the first connecting pipe and the second connecting pipe is respectively provided with a first metal pipe 206 and a second metal pipe 207, the center position of the end of the first air inlet pipe and the second air inlet pipe is provided with a mounting hole, the first metal pipe 206 and the second metal pipe 207 penetrate the center of the first air valve cover plate 203 and the second air valve cover plate 204 and can be detachably installed at the mounting hole for conveying fuel gas.

[0059] As a preferred embodiment, the center of each circular arc-shaped hole is located on the center axis of the corresponding first metal pipe 206 or second metal pipe 207 of the first air valve cover plate 203 and the second air valve cover plate 204. This scheme can ensure that the circular arc-shaped holes can overlap when the two air valve cover plates are rotated, so as to adjust the size of the opening.

[0060] As preferred, one side of the first and second air door cover plates 203 and 204 is provided with a cylindrical body, the cylindrical body is attached to the first and second metal pipes 206 and 207 respectively and the cylindrical body is in rotational and sliding fit with the first or second metal pipe 206 or 207, and the spring 2040 is located outside the cylindrical body and in the connecting sleeve 2030.

[0061] As preferred, the first and second ratchet wheels 213 and 214 are both circular structures and are in rotational fit with the output shaft of the second adjusting motor 209 through bearings arranged at the center of the recesses, the first and second pawls 2131 and 2141 are the same structure and both include a rotating piece fixedly connected with the output shaft of the second adjusting motor 209 in the recess and two paw bodies 2132 and 2142 hingedly connected at both ends of the rotating piece, a torsion spring is arranged between the paw bodies 2132 and 2142 and the rotating piece for resetting, when the rotating piece rotates to one side, one set of paw bodies 2132 and 2142 is buckled in the ratchet groove to drive one of the ratchet wheels to rotate, when the rotating piece rotates to the other side, the other set of paw bodies 2132 and 2142 is buckled in the ratchet groove to drive the other ratchet wheel to rotate. This scheme is the specific structure of the ratchet and pawl.

[0062] It should be noted that the mounting rack 200 in the shape of U is also included, the first adjusting motor 208, the second adjusting motor 209 and the outer ring gear 205 are all arranged on the mounting rack 200. Embodiment

[0063] This embodiment mainly describes the title of the stove, as follows:

[0064] The stove comprises a shell 30 and a ignition valve 40 arranged through the shell 30 for ignition and adjusting the size of the air door, and further comprises the above-mentioned energy-saving type stove head, the energy-saving type stove head is installed on the shell 30 through the mounting rack 200, the shell 30 is provided with a through hole, the gas supply part 20 is arranged in the space below the shell 30 and the combustion part 10 is arranged at the through hole, one end of the ignition valve 40 is connected with the gas supply pipeline, the other end is connected with the first and second air inlet pipes through a one-to-two structure and the ignition valve 40 is connected with the controller.

[0065] The ignition valve 40 is the same as the gas valve in CN215673740U, and its starting principle is the same as that described in the video at https: / / haokan.baidu.com / v?pd=wisenatural&vid=1266985235359423149. The ignition valve 40 includes a valve and a pressure-activated ignition needle near the inner fire ring 101. When the knob of the ignition valve 40 is pressed, the rotating structure rotates to lift the electromagnetic valve, starting a small amount of gas supply for cooperation with the ignition needle. When the knob of the ignition valve 40 is rotated, the rotation angle is set to 0-90 degrees. At 0-30 degrees, only the inner fire ring 101 is supplied with gas, and the gas volume gradually increases. When 30-45 degrees, the inner fire ring 101 has a small increase in gas supply. At 0-30 degrees, the air door of the outer fire ring 102 is in a closed state. At 30-90 degrees, the gas volume of the outer fire ring 102 gradually increases. The maximum opening of the gas valve is set according to the maximum pressure of the gas supply end (such as the first use after the gas tank is full of liquefied gas), the maximum opening state of the valve, and the maximum combustion efficiency. Because when adjusting by the second adjusting motor 209, the main adjustment is to reduce the gas supply through fine adjustment to adapt to the reduction of gas pressure, which ultimately leads to the reduction of gas flow and the reduction of flame height, which ultimately cannot achieve the problem of heating through the outer flame.

[0066] The above provides a detailed introduction to the title of the present application. The principles and implementation methods of the present application are described using specific examples. The above examples are only used to help understand the present application and the core idea. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified. These improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. An energy-saving cooking range, comprising a combustion section and a gas supply section, the gas supply section comprising a first gas supply pipe and a second gas supply pipe for supplying gas to the combustion section, and a damper control mechanism arranged at the first gas supply pipe and the second gas supply pipe, characterized in that, The damper control mechanism comprises: a first air inlet, which is a 90-degree circular arc hole at the end of the first air supply pipe; a second air inlet, which is a 60-degree circular arc hole at the end of the second air supply pipe; a first damper cover plate, which is provided at the end of the first air supply pipe and has a 45-degree circular arc hole, and a connecting column is provided on the first damper cover plate, and a first gear ring is provided at the end of the connecting column, and when the first gear ring is reversely rotated, the circular arc hole on the first gear ring overlaps the circular arc hole on the first air inlet to form an air inlet channel, and when the first gear ring is rotated by 30-45 degrees, the area of the air inlet channel remains unchanged; a second damper cover plate, which is provided at the end of the second air supply pipe and has a 60-degree circular arc hole, and a connecting column is provided on the second damper cover plate, and a second gear ring is provided at the end of the connecting column, and when the second gear ring is positively rotated by 30 degrees, the circular arc hole on the second gear ring overlaps the circular arc hole on the second air inlet to form an air inlet channel; a first air inlet pipe, which penetrates through the center of the first damper cover plate and is detachably connected to the end of the first air supply pipe; a second air inlet pipe, which penetrates through the center of the second damper cover plate and is detachably connected to the end of the second air supply pipe; springs, which are respectively sleeved on the first air inlet pipe and the second air inlet pipe, and the two springs respectively apply elastic force to the first damper cover plate and the second damper cover plate to make the first damper cover plate and the second damper cover plate abut against the end of the first air supply pipe and the end of the second air supply pipe; a controller; a driving mechanism, which is controlled by the controller, and comprises: an inner gear ring, which is engaged with the second gear ring, and has a first gear inside the inner gear ring, which is engaged with the first gear ring at the same time; a first adjusting motor, whose output shaft is connected with the first gear; a second adjusting motor, whose output shaft is rotatably provided with a first ratchet disc and a second ratchet disc with outer gear rings, the two outer gear rings are respectively engaged with the first gear ring and the second gear ring, recesses are respectively provided on the first ratchet disc and the second ratchet disc, and ratchet grooves are provided on the side walls of the recesses, and a first pawl and a second pawl are respectively provided in the two recesses and are fixed to the output shaft of the second adjusting motor, when the second adjusting motor is positively rotated, the first ratchet disc is positively rotated by the first pawl, and when the second adjusting motor is reversely rotated, the second ratchet disc is reversely rotated by the second pawl; a first sensing mechanism, which is connected with the controller, and is used for sensing the rotation angle of the ignition valve and feeding back to the controller; a second sensing mechanism, which is connected with the controller, and is used for monitoring the temperature at at least two different height positions of the fire ring and feeding back to the controller, and comprises multiple groups of thermocouples arranged at the inner fire ring and the outer fire ring, each group comprising at least two thermocouples with different heights, which are used for detecting the temperature of the flame and the temperature of the flame at different heights, so as to determine whether the combustion is sufficient and whether the flame is too high.

2. The energy-saving type burner as claimed in claim 1, wherein The first sensing mechanism comprises a circular arc magnetic steel provided on the ignition valve and a Hall sensor matched with the magnetic steel, the Hall sensor is connected with the controller, when the rotary knob is rotated, the Hall sensor senses the change of the magnetic field and converts it into a signal of the rotation amplitude of the ignition valve, and transmits the signal to the controller, and the controller controls the first adjusting motor to rotate according to the rotation amplitude and synchronously increases the opening amplitude of the two air inlets.

3. The energy-saving type burner as claimed in claim 1, wherein The end of the first connecting pipe and the second connecting pipe is respectively provided with a first metal pipe and a second metal pipe, and the end of the first air inlet pipe and the second air inlet pipe is provided with a mounting hole in the center position, and the first metal pipe and the second metal pipe penetrate the center of the first air door cover plate and the second air door cover plate and are detachably mounted at the mounting hole for conveying fuel gas.

4. The energy-saving type stove according to claim 3, wherein The center of each circular arc hole is located on the central axis of the corresponding first metal pipe or second metal pipe.

5. The energy-saving type burner as claimed in claim 3, wherein One side of the first air door cover plate and the second air door cover plate is provided with a cylindrical body, the cylindrical body is attached to the first metal pipe and the second metal pipe respectively, and the cylindrical body and the first metal pipe and the second metal pipe rotate and slide fit, and the spring is located outside the cylindrical body and in the connecting column.

6. The energy-saving type burner as claimed in claim 3, wherein The first ratchet disc and the second ratchet disc are both circular structures and are rotatably connected with the output shaft of the second adjusting motor through bearings arranged at the center of the grooves, the first pawl and the second pawl are the same structure and both include a rotating piece fixedly connected with the output shaft of the second adjusting motor in the groove and two claw bodies hinged at both ends of the rotating piece, a torsional spring for resetting is arranged between the claw body and the rotating piece, when the rotating piece rotates to one side, one set of claw bodies is buckled in the ratchet groove to drive one of the ratchet discs to rotate, when the rotating piece rotates to the other side, the other set of claw bodies is buckled in the ratchet groove to drive the other ratchet disc to rotate.

7. A cooking appliance comprising a housing and a firing valve disposed through the housing for firing and adjusting the size of the air valve, characterized in that, It also includes the energy-saving type stove head of any one of claims 1-6, the shell is provided with a through hole, the gas supply part is arranged below the shell space and the combustion part is arranged at the through hole, one end of the ignition valve is connected with the gas supply pipeline, the other end is connected with the first air inlet pipe and the second air inlet pipe through a one-to-two structure, and the ignition valve is connected with the controller.

Images