A numerical model of high premixed updraft burner

Abstract

The present application relates to the field of gas stove technology, and in particular to a numerical model high premixed upper air inlet burner, which includes a burner body, a gas distribution plate, an outer ring fire cover and an inner ring fire cover. The gas distribution plate is provided with a first ejection cavity, a central ejection cavity and an air channel, which can enhance the mixing ratio of gas and air and make the gas burn more fully; the burner body is provided with a new ignition structure and a functional module conversion structure, so that the burner body can realize the switching of the boost center fire function module and the energy-saving control module by replacing the corresponding module conversion seat. The upper air inlet burner provided by the present application has a lower production cost and has the characteristics of high air mixing ratio, high combustion efficiency, high center fire power and energy saving and emission reduction.

Description

Technical Field

[0001] The present application relates to the field of gas cooker technology, and in particular to a numerical model high premixed upper air inlet burner. Background Art

[0002] The existing top-inlet burner includes a burner head, an air distribution plate and a fire cover. When the burner is installed on the stove panel, the air inlet of the air distribution plate and the air outlet of the burner head are both located above the stove panel, making the top-inlet burner not only safer to use, but also able to effectively solve the problem of stove flameout due to opening and closing cabinet doors.

[0003] Compared with traditional down-draft burners, up-draft burners have more advantages, but existing up-draft burners still have defects such as low gas-air mixing ratio, low combustion efficiency, insufficient energy saving, insufficient central flame power, poor user experience and complex production process resulting in excessively high costs. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a numerical model high premixed upper air inlet burner.

[0005] A numerical model high premixed upper air inlet burner provided in this application adopts the following technical solution:

[0006] A numerical model high premixed upper air inlet burner comprises a burner head body, on which an outer ring gas nozzle and a central gas nozzle are arranged; a gas distribution plate, on which an inner ring gas distribution seat and an outer ring gas distribution seat extending vertically are arranged; the middle part of the inner ring gas distribution seat is penetrated from top to bottom to form an air passage; an inner ring fire cover, which is installed on the inner ring gas distribution seat, and an inner ring gas passage is formed between the inner ring fire cover and the inner ring gas distribution seat; an outer ring fire cover, which is installed on the outer ring gas distribution seat, and the An outer ring gas channel is formed between the outer ring fire cover and the outer ring gas distribution seat; at least one outer ring ejector pipe is arranged at the bottom of the gas distribution plate and is connected with the outer ring gas channel, the outer ring ejector pipe is gradually contracted from its air inlet end to the air outlet end, and the air inlet end of the outer ring ejector pipe is adapted to be equipped with at least one outer ring gas nozzle; at least one center ejector pipe is arranged at the bottom of the gas distribution plate and is connected with the inner ring gas channel, and the air inlet end of the center ejector pipe is adapted to be equipped with at least one center gas nozzle.

[0007] Preferably, there are two outer ring ejector tubes in total, and the two outer ring ejector tubes are centrally symmetrically arranged.

[0008] Preferably, a mounting groove is provided on the furnace head body and below the inner ring gas distribution seat, and the mounting groove is adapted to be installed with a module conversion seat, and the module conversion seat is provided in multiple types for use with multiple functional modules.

[0009] Preferably, the burner head body is provided with an outer ring gas seat for supplying gas to the outer ring gas channel and an inner ring gas seat for supplying gas to the inner ring gas channel, and a function conversion interface is provided on the outer ring gas seat or the inner ring gas seat, and the function conversion interface can be closed by a sealing piece.

[0010] Preferably, the module conversion seat includes a boost fire mounting seat, the functional conversion interface includes a boost fire gas output port arranged on the outer ring gas seat, a boost fire mechanism is installed on the boost fire mounting seat, the boost fire mechanism includes a boost fire output assembly installed on the boost fire mounting seat and a boost gas pipe for connecting the boost fire output assembly with the boost fire gas output port, and the upper end of the boost fire assembly can extend into the air channel.

[0011] Preferably, the boost fire output assembly includes an output nozzle installed on the boost fire mounting seat and a connecting piece for connecting the output nozzle with the boost gas pipe, and the upper end of the output nozzle can extend into the air channel and output gas upward.

[0012] Preferably, the module conversion seat also includes an energy-saving mounting seat; the function conversion interface includes a telescopic movable port; the energy-saving mounting seat is installed with an energy-saving control mechanism, and an opening and closing component is provided below the energy-saving control mechanism, and the opening and closing component includes a push rod and a plug; the push rod is passed through the telescopic movable port and is connected to the plug, which can control the conduction or closing of the outer ring gas channel.

[0013] Preferably, the energy-saving control mechanism includes a movable head and a telescopic rod; the telescopic rod is installed on the energy-saving mounting seat, one end of the telescopic rod passes through the energy-saving mounting seat and is connected to the movable head, and the other end of the telescopic rod faces the push rod and can push the push rod; the movable head is located above the air channel, and an elastic member is provided between the movable head and the energy-saving mounting seat.

[0014] Preferably, the burner body is provided with an inner ring gas seat for supplying gas to the inner ring gas channel, the inner ring gas seat is provided with an ignition control interface, the ignition control interface is connected with the gas output end of the gas valve through the ignition gas pipe; the inner ring gas seat is connected with the gas output end of the gas valve through the inner ring gas pipe; an ignition needle for igniting the inner ring fire cover is installed on the burner body, the ignition needle is electrically connected to the gas valve, and when the gas valve is opened, the gas in the ignition gas pipe reaches the inner ring gas channel and sprays out of the inner ring fire cover before the gas in the inner ring gas pipe, and the tip of the ignition needle discharges and ignites the gas.

[0015] Preferably, the outer ring gas nozzle is arranged on an outer ring gas seat, and the central gas nozzle is arranged on an inner ring gas seat.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] 1. By setting the structure in which the outer ring ejector tube, the central ejector tube and the burner body cooperate with each other, the cross-sectional area of ​​the air inlet port of the outer ring ejector tube and the central ejector tube is larger, so that more gas nozzles can be adapted at the outer ring ejector tube and the central ejector tube, thereby increasing the gas intake. At the same time, when the gas enters the outer ring ejector tube or the central ejector tube, the gas flow forms a greater negative pressure, thereby increasing the air intake, and the gas and air can achieve a better mixing effect in the larger ejector cavity, thereby increasing the mixing ratio of the gas and the air, which is beneficial to improving the combustion efficiency of the burner;

[0018] 2. By setting a structure in which the module conversion seat and the installation slot cooperate with each other, the burner body can be matched with different functional modules, that is, according to the additional functional modules, by changing the module conversion seat, a burner body can be matched with a variety of gas stoves of different types, so that the manufacturer does not need to use multiple sets of burner molds to make corresponding styles of burners, and can only change the module conversion seat to form a variety of gas stoves, simplifying the production process and effectively reducing the production cost;

[0019] 3. By setting a pressurized fire mechanism, the gas valve can deliver gas to the output nozzle through the pressurized fire gas output port, and the gas can be sprayed into the air channel and sprayed upward through the output nozzle, and then ignited by the inner ring fire, forming a pressurized center fire in the middle of the inner ring fire cover, so as to improve the firepower of the center fire of the upper air inlet gas burner;

[0020] 4. By setting up a structure in which an energy-saving mounting seat and an energy-saving control mechanism cooperate with each other, when the pot above the burner is removed, the movable head can move upward and synchronously close the gas channel on the outer ring gas seat, thereby controlling the outer ring gas channel on the gas distribution plate to automatically close, so that when the user moves the pot and the burner is not cooking, the outer ring gas channel is automatically closed to reduce gas waste; when the pot is placed above the burner, the movable head is pressed down and the delivery channel of the outer ring gas seat is synchronously opened, and the outer ring flame automatically reignites, achieving the purpose of energy saving and emission reduction, while eliminating the need to set a complex switch structure for the burner, and the overall structure is more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the burner of the embodiment of the present application.

[0022] Figure 2 yes Figure 1 Schematic diagram of the explosion structure.

[0023] Figure 3 It is a schematic diagram of the explosion structure of the burner with a pressurized central fire functional module according to an embodiment of the present application.

[0024] Figure 4 It is a schematic cross-sectional structure diagram of a burner with a pressurized central fire functional module according to an embodiment of the present application.

[0025] Figure 5 yes Figure 4 Enlarged schematic diagram of part A.

[0026] Figure 6 It is a schematic cross-sectional structure diagram of a burner with an energy-saving control function module according to an embodiment of the present application.

[0027] Figure 7 yes Figure 6 Schematic diagram of the enlarged portion B.

[0028] Figure 8 It is a schematic diagram of the overall structure of the novel ignition structure of the burner in the embodiment of the present application.

[0029] Fig. 9 It is a schematic cross-sectional view of a novel ignition structure of a burner according to an embodiment of the present application.

[0030] Fig.10 yes Figure 8 Enlarged schematic diagram of part C.

[0031] Description of the accompanying drawings: 1. Burner body; 11. Outer ring gas nozzle; 12. Center gas nozzle; 2. Gas distributor; 21. Inner ring gas distributor seat; 22. Outer ring gas distributor seat; 3. Inner ring fire cover; 4. Outer ring fire cover; 5. Inner ring gas channel; 6. Outer ring gas channel; 7. Outer ring ejector pipe; 8. Center ejector pipe; 9. Mounting groove; 10. Outer ring gas seat; 13. Blocking piece; 14. Pressurized fire mounting seat; 15. Pressurized fire gas output port; 16. Pressurized fire mechanism; 161. Pressurized fire output assembly; 1611. Output nozzle; 1 612, connecting piece; 162, pressurized gas pipe; 17, energy-saving mounting seat; 18, telescopic movable port; 19, energy-saving control mechanism; 191, movable head; 192, telescopic rod; 20, opening and closing assembly; 201, push rod; 202, plug; 23, inner ring gas seat; 24, ignition control interface; 25, ignition gas pipe; 26, gas valve; 27, inner ring gas pipe; 28, ignition needle; 29, air channel; 30, gas distributor base; 31, load-bearing part; 32, positioning bracket; 33, pressurized channel; 34, separation net. DETAILED DESCRIPTION

[0032] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0033] In the description of the present invention, the meaning of "above", "below", "exceed", etc. is not inclusive of the number itself, and the meaning of "above", "below", "within", etc. is inclusive of the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0036] The following is combined with Figure 1-10 This application is described in further detail.

[0037] The present application embodiment discloses a numerical model high premixed upper air inlet burner. Figure 1 and Figure 2 The upper air inlet burner comprises a burner body 1, a gas distribution plate 2, an inner ring fire cover 3, an outer ring fire cover 4, at least one outer ring ejector pipe 7 and at least one central ejector pipe 8; the burner body 1 is provided with an outer ring gas nozzle 11 and a central gas nozzle 12; the gas distribution plate 2 is provided with an inner ring gas distribution seat 21 and an outer ring gas distribution seat 22 extending vertically; the middle part of the inner ring gas distribution seat 21 is penetrated up and down to form an air passage 29; the inner ring fire cover 3 is installed on the inner ring gas distribution seat 21, and an inner ring gas passage 29 is formed between the inner ring fire cover 3 and the inner ring gas distribution seat 21 Channel 5; the outer ring fire cover 4 is installed on the outer ring gas distribution seat 22, and an outer ring gas channel 6 is formed between the outer ring fire cover 4 and the outer ring gas distribution seat 22; the outer ring ejector pipe 7 is arranged at the bottom of the gas distribution plate 2 and is connected with the outer ring gas channel 6, the outer ring ejector pipe 7 is gradually contracted from its air inlet end to the air outlet end, and the air inlet end of the outer ring ejector pipe 7 is adapted to be equipped with at least one outer ring gas nozzle 11; the central ejector pipe 8 is arranged at the bottom of the gas distribution plate 2 and is connected with the inner ring gas channel 5, and the air inlet end of the central ejector pipe 8 is adapted to be equipped with at least one central gas nozzle 12.

[0038] For the preferred option, please continue to read Figure 1 and Figure 2 In the present embodiment, two outer ring ejector tubes 7 are provided, and the two outer ring ejector tubes 7 are centrally symmetrically arranged; and one central ejector tube 8 is provided, and the central ejector tube 8 is located between the two outer ring ejector tubes 7 .

[0039] For the preferred option, please continue to read Figure 1 and Figure 2In the present embodiment, the air inlet end of each outer ring ejector tube 7 is equipped with two outer ring gas nozzles 11. Therefore, when the gas is ejected from the two outer ring gas nozzles 11, the gas can enter the outer ring ejector tube 7 and form a negative pressure in the outer ring ejector tube 7, so that the outside air can enter the outer ring ejector tube 7 and mix with the gas. The mixed gas and air can flow through the air outlet end of the outer ring ejector tube 7 to the outer ring gas channel 6, eject through the fire hole of the outer ring fire cover 4 and ignite to form an outer ring fire.

[0040] For the preferred option, please continue to read Figure 1 and Figure 2 In the present embodiment, each central ejector tube 8 is equipped with an outer ring gas nozzle 11 at the air inlet end, so when the gas is ejected from the central gas nozzle 12, the gas can pass through the central ejector tube 8 and form a negative pressure in the central ejector tube 8, so that the outside air can enter the central ejector tube 8 and mix with the gas. The mixed gas and air can flow through the air outlet end of the central ejector tube 8 to the inner ring gas channel 5, and be ejected through the fire hole of the inner ring fire cover 3 and ignited to form an inner ring fire.

[0041] For the preferred option, please continue to read Figure 1 and Figure 2 In this embodiment, a gas distribution plate 2 base is also provided on the gas distribution plate 2, and the outer ring ejector tube 7 and the central ejector tube 8 are both provided on the bottom surface of the gas distribution plate 2 base, and a first ejector cavity is formed between the outer ring ejector tube 7 and the bottom surface of the gas distribution plate 2 base, and a central ejector cavity is formed between the central ejector tube 8 and the bottom surface of the gas distribution plate 2 base. The provision of the gas distribution plate 2 base can optimize the connection structure between the outer ring ejector tube 7 and the gas distribution plate 2, and between the central ejector tube 8 and the gas distribution plate 2, so that the structural layout of the gas distribution plate 2 is more reasonable, and at the same time, the cross-sectional area of ​​the air inlet port of the outer ring ejector tube 7 and the air inlet port of the central ejector tube 8 can be designed to be larger, so that the outer ring ejector tube 7 has a larger and substantially rectangular outer ring ejector cavity, and the central ejector tube 8 has a larger central ejector cavity, so that the gas and air can be better premixed, which is beneficial to improve the mixing ratio of the gas and air, make it fully burned, and improve the thermal efficiency of the burner.

[0042] For further information, see Figure 3 and Figure 4, a mounting groove 9 is provided on the burner body 1 and below the inner ring gas distributor 21, and a module conversion seat is adapted to be installed in the mounting groove 9. There are multiple module conversion seats, which are provided to match multiple functional modules. In this embodiment, the functional modules include a booster fire module and an energy-saving control module. Therefore, the burner body 1 can match different functional modules through the mounting groove 9, that is, according to the additional functional modules, by changing the module conversion seat, a variety of different types of gas stoves can be formed on a burner body 1, so that the manufacturer does not need to use multiple sets of burner molds to make corresponding styles of burners, and can only change the module conversion seat to form a variety of gas stoves, simplifying the production process and effectively reducing production costs.

[0043] For details, please refer to Figure 4 and Figure 5 The burner body 1 is provided with an outer ring gas seat 10 for supplying gas to the outer ring gas channel 6, and the outer ring gas seat 10 is provided with a function conversion interface, which can be closed by a blocking member 13. In this embodiment, the function conversion interface includes a pressurized gas output port and a telescopic movable port 18.

[0044] For further information, see Figures 3 to 5 In this embodiment, a central fire boost function module can be arranged on the mounting slot 9, specifically, the module conversion seat is arranged as a boost fire mounting seat 14, the function conversion interface adopts a boost gas outlet, and the telescopic movable port 18 is sealed with a plugging member 13. A boost fire mechanism 16 is installed on the boost fire mounting seat 14, and the boost fire mechanism 16 includes a boost fire output assembly 161 installed on the boost fire mounting seat 14 and a boost gas pipe 162 for connecting the boost fire output assembly 161 with the boost fire gas outlet 15, and the upper end of the boost fire assembly can extend into the air channel 29. Thus, when the gas can be transported to the boost fire output assembly 161 via the boost gas pipe 162.

[0045] For the preferred option, please continue to read Figures 3 to 5 The boost fire output assembly 161 includes an output nozzle 1611 mounted on the boost fire mounting seat 14 and a connecting piece 1612 for connecting the output nozzle 1611 with the boost gas delivery pipe 162. The upper end of the output nozzle 1611 can extend into the air passage 29 and output gas upward. In this embodiment, the lower end of the output nozzle 1611 can be inserted into the boost fire mounting seat 14 and connected to the connecting piece 1612, and the upper end of the output nozzle 1611 extends into the air passage 29. Thus, the output nozzle 1611 can be mounted on the burner body 1 through the boost fire mounting seat 14, and the connecting piece 1612 is connected to the output nozzle 1611, and the boost gas can be supplied to the output nozzle 1611. The output nozzle 1611 outputs gas toward the top of the air passage 29 and ignites at the top of the air passage 29 to form a boost center fire, so as to enhance the firepower of the center fire of the upper air intake gas burner.

[0046] Preferably, in some embodiments, a hexagonal bearing portion 31 is provided on the output nozzle 1611, and a plurality of through holes are provided on the bearing portion 31. The output nozzle 1611 is conveniently mounted on the booster gas mounting seat 14 through the bearing portion 31, and the through holes of the bearing portion 31 can be used to send air into the output nozzle 1611 to be pre-mixed with the booster gas. The output nozzle 1611 is connected to the connecting piece 1612 by threads.

[0047] For the preferred option, please continue to read Figures 3 to 5 The boost fire output assembly 161 further includes a positioning bracket 32, which is installed on the side of the burner body 1 away from the limiting groove and is used to install the connecting piece 1612. The positioning bracket 32 ​​is installed on the back side of the burner body 1, and the connecting piece 1612 can be installed on the side of the positioning bracket 32 ​​close to the burner body 1, and the boost gas pipe 162 can be installed on the side of the positioning bracket 32 ​​away from the burner body 1, and the connecting piece 1612 and the boost gas pipe 162 are connected by bolts and other connecting pieces.

[0048] Preferably, in some embodiments, one end of the connecting piece 1612 is connected to the booster gas pipe 162, and the other end of the connecting piece 1612 is connected to the output nozzle 1611, and a narrow booster channel 33 is provided at the connection. When the gas is delivered to the booster channel 33, the gas flow rate increases and the pressure increases due to the reduction of the channel cross section, so that the booster gas with high flow rate and high pressure is output to the output nozzle 1611, so that the center fire has more power.

[0049] Preferably, in some embodiments, a separation net 34 is installed on the inner side of the inner ring fire cover 3; the separation net 34 has a mesh-shaped hollow structure, and the separation net 34 is located at the top of the air channel 29. The separation net 34 can disperse the gas into several air flows when it is output from the air channel 29, which is beneficial to improving the combustion efficiency of the boosted center fire.

[0050] For further information, see Figure 6 and Figure 7 In other embodiments, a gas energy-saving function module can also be arranged on the mounting groove 9, specifically, the module conversion seat is arranged as an energy-saving mounting seat 17, at which time, the function conversion interface adopts a telescopic movable port 18, and the boost gas output port is sealed by a plugging member 13. The energy-saving mounting seat 17 is equipped with an energy-saving control mechanism 19, and an opening and closing assembly 20 is arranged below the energy-saving control mechanism 19, and the opening and closing assembly 20 includes a push rod 201 and a plug 202. The plug 202 is arranged in the outer ring gas seat 10, and the push rod 201 is arranged in the telescopic movable port 18 and connected to the plug 202, so that the push rod 201 can control the conduction or closing of the outer ring gas channel 6 through telescopic movement.

[0051] For the preferred option, please continue to read Figure 6and Figure 7 The energy-saving control mechanism 19 includes a movable head 191 and a telescopic rod 192. The telescopic rod 192 is mounted on the energy-saving mounting seat 17. One end of the telescopic rod 192 passes through the energy-saving mounting seat 17 and is connected to the movable head 191. The other end of the telescopic rod 192 faces the push rod 201 and can push the push rod 201 to move. The movable head 191 is located above the air channel 29. An elastic member is provided between the movable head 191 and the energy-saving mounting seat 17. In this embodiment, the elastic member is a compression spring. A compression spring is also provided on one end of the push rod 201 located outside the outer ring gas stove. When the compression spring is in a natural state, the plug 202 can block the communication between the outer ring gas channel 6 and the gas valve 26. Therefore, when the pot is placed on the burner or pot rack, the movable head 191 drives the telescopic rod 192 to move downward under the action of the pot, and the end of the push rod 201 located in the outer ring gas seat 10 moves away from the telescopic rod 192 under the action of the telescopic rod 192, thereby driving the plug 202 to move and connect the outer ring gas channel 6, and the outer ring fire of the burner is ignited. When the pot on the burner or pot rack is removed, the movable head 191 moves upward and synchronously closes the gas channel on the outer ring gas seat 10, thereby controlling the outer ring gas channel 6 on the gas distribution plate 2 to automatically close, so that when the user removes the pot and the burner is not cooking, the outer ring gas channel 6 is automatically closed to reduce gas waste.

[0052] For the preferred option, please continue to read Figure 6 and Figure 7 In this embodiment, a rolling element is provided at one end of the telescopic rod 192 away from the movable head 191. The rolling element can reduce the resistance between the telescopic rod 192 and the push rod 201, making the movement of the gas energy-saving structure smoother, reducing wear and tear, and increasing the service life.

[0053] For further information, see Figures 8 to 10 The burner body 1 is also provided with a new ignition structure, specifically, the burner body 1 is provided with an inner ring gas seat 23 for supplying gas to the inner ring gas channel 5, the inner ring gas seat 23 is provided with an ignition control interface 24, the ignition control interface 24 is connected with the gas output end of the gas valve 26 through the ignition gas pipe 25; the inner ring gas seat 23 is also connected with the gas output end of the gas valve 26 through the inner ring gas pipe 27; an ignition needle 28 for igniting the inner ring fire cover 3 is installed on the burner body 1, the ignition needle 28 is electrically connected to the gas valve 26, and when the gas valve 26 is opened, the gas in the ignition gas pipe 25 reaches the inner ring gas channel 5 before the gas in the inner ring gas pipe 27 and sprays out of the inner ring fire cover 3, and at the same time, the tip of the ignition needle 28 discharges to generate sparks and ignites the gas sprayed from the ignition gas pipe 25.

[0054] For the preferred option, please continue to read Figures 8 to 10In this embodiment, the ignition needle 28 is a piezoelectric ignition needle 28, and the gas valve 26 is a rotary valve. The discharge tip of the piezoelectric ignition needle 28 is arranged between the outer ring fire cover 4 and the center fire cover, the current generator of the piezoelectric ignition needle 28 is connected to the rotary valve, and the discharge tip and the current generating part are electrically connected through a wire. In addition, in order to make the flow rate of the gas in the ignition gas pipe 25 greater than the flow rate of the gas in the inner ring gas pipe 27, the inner diameter of the ignition gas pipe 25 is much smaller than the inner diameter of the inner ring gas pipe 27. Since the inner ring gas pipe 27 and the ignition gas pipe 25 are both connected to the gas outlet end of the gas valve 26, and the lengths of the inner ring gas pipe 27 and the ignition gas pipe 25 are almost the same, the flow velocity of the gas in the ignition gas pipe 25 is much greater than the flow velocity of the gas in the inner ring gas pipe 27, so that the gas in the ignition gas pipe 25 can reach the inner ring gas channel 5 on the gas distribution plate 2 earlier and be ignited by the piezoelectric ignition needle 28.

[0055] Therefore, when the rotary valve opens the gas valve 26, the gas in the ignition gas pipe 25 reaches the center fire cover before the gas in the inner ring gas pipe 27, and when the gas in the ignition gas pipe 25 reaches the center fire cover, the rotary valve can trigger the current generating part of the piezoelectric ignition needle 28, thereby causing the discharge tip to discharge, ensuring that when the tip of the piezoelectric ignition needle 28 discharges, the gas in the ignition gas pipe 25 has been ejected from the fire hole on the center fire cover, thereby improving the ignition success rate. Therefore, the new ignition structure provided by the present application does not need to set up a small gas nozzle for auxiliary ignition, which can reduce the overall cost of the burner. At the same time, it is also unnecessary to set up a power battery and a pulser to power the ignition needle 28, thereby avoiding the situation where the burner cannot be used due to the exhaustion of the power battery, reducing after-sales service while avoiding the pollution of the environment by waste batteries and pulser circuit boards, and contributing to energy conservation and emission reduction and the "dual carbon" goals.

[0056] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A numerical model high premixed upper air inlet burner, characterized in that: include: A furnace head body (1), wherein the furnace head body (1) is provided with an outer ring gas nozzle (11) and a central gas nozzle (12); An air distribution plate (2), wherein the air distribution plate (2) is provided with an inner ring air distribution seat (21) and an outer ring air distribution seat (22) extending vertically; an air passage (29) is formed by penetrating the middle portion of the inner ring air distribution seat (21) from top to bottom; An inner ring fire cover (3), the inner ring fire cover (3) being mounted on the inner ring gas distribution seat (21), and an inner ring gas channel (5) being formed between the inner ring fire cover (3) and the inner ring gas distribution seat (21); An outer ring fire cover (4), the outer ring fire cover (4) being mounted on an outer ring gas distribution seat (22), and an outer ring gas channel (6) being formed between the outer ring fire cover (4) and the outer ring gas distribution seat (22); At least one outer ring ejector pipe (7), the outer ring ejector pipe (7) being arranged at the bottom of the gas distribution plate (2) and being connected to the outer ring gas channel (6), the outer ring ejector pipe (7) being gradually contracted from its gas inlet end to its gas outlet end, and the gas inlet end of the outer ring ejector pipe (7) being adapted to be equipped with at least one outer ring gas nozzle (11); at least one central ejector pipe (8), the central ejector pipe (8) being arranged at the bottom of the gas distribution plate (2) and being connected to the inner ring gas channel (5), the gas inlet end of the central ejector pipe (8) being adapted to be equipped with at least one central gas nozzle (12); A mounting groove (9) is provided on the furnace head body (1) and below the inner ring gas distribution seat (21), and a module conversion seat is adapted to be installed in the mounting groove (9). There are multiple types of module conversion seats to match multiple functional modules; The burner body (1) is provided with an outer ring gas seat (10) for supplying gas to the outer ring gas channel (6); the outer ring gas seat (10) is provided with a function conversion interface, and the function conversion interface can be closed by a blocking piece (13); The module conversion seat comprises a supercharged fire mounting seat (14), the function conversion interface comprises a supercharged fire gas output port (15) arranged on the outer ring gas seat (10), a supercharged fire mechanism (16) is installed on the supercharged fire mounting seat (14), the supercharged fire mechanism (16) comprises a supercharged fire output component (161) installed on the supercharged fire mounting seat (14) and a supercharged gas pipe (162) for connecting the supercharged fire output component (161) with the supercharged fire gas output port (15), and the upper end of the supercharged fire output component (161) extends into the air channel (29); The module conversion seat also includes an energy-saving mounting seat (17); the function conversion interface includes a telescopic movable port (18); the energy-saving mounting seat (17) is installed with an energy-saving control mechanism (19), and an opening and closing component (20) is provided below the energy-saving control mechanism (19), and the opening and closing component (20) includes a push rod (201) and a sealing plug (202); the push rod (201) is passed through the telescopic movable port (18) and is connected to the sealing plug (202) to control the conduction or closing of the outer ring gas channel (6).

2. A numerical model high premixed upper air inlet burner according to claim 1, characterized in that: There are two outer ring ejector tubes (7) in total, and the two outer ring ejector tubes (7) are centrally symmetrically arranged.

3. The numerical model high premixed upper air inlet burner according to claim 1, characterized in that: The boost fire output assembly (161) comprises an output nozzle (1611) mounted on the boost fire mounting seat (14) and a connecting piece (1612) for connecting the output nozzle (1611) with the boost gas pipe (162); the upper end of the output nozzle (1611) extends into the air channel (29) and outputs gas upward.

4. The numerical model high premixed upper air inlet burner according to claim 1, characterized in that: The energy-saving control mechanism (19) comprises a movable head (191) and a telescopic rod (192); the telescopic rod (192) is mounted on the energy-saving mounting seat (17); one end of the telescopic rod (192) passes through the energy-saving mounting seat (17) and is connected to the movable head (191); the other end of the telescopic rod (192) faces the push rod (201) and can push the push rod (201); the movable head (191) is located above the air passage (29); and an elastic member is provided between the movable head (191) and the energy-saving mounting seat (17).

5. The numerical model high premixed upper air inlet burner according to claim 1, characterized in that: The burner body (1) is provided with an inner ring gas seat (23) for supplying gas to the inner ring gas channel (5), and the inner ring gas seat (23) is provided with an ignition control interface (24), and the ignition control interface (24) is connected to the gas output end of the gas valve (26) through an ignition gas pipe (25); the inner ring gas seat (23) is connected to the gas output end of the gas valve (26) through an inner ring gas pipe (27); an ignition needle (28) for igniting the inner ring fire cover (3) is installed on the burner body (1), and the ignition needle (28) is electrically connected to the gas valve (26), and when the gas valve (26) is opened, the gas in the ignition gas pipe (25) reaches the inner ring gas channel (5) and sprays out of the inner ring fire cover (3) before the gas in the inner ring gas pipe (27), and the tip of the ignition needle (28) discharges and ignites the gas.

6. A numerical model high premixed upper air inlet burner according to claim 5, characterized in that: The outer ring gas nozzle (11) is arranged on the outer ring gas seat (10), and the central gas nozzle (12) is arranged on the inner ring gas seat (23).

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