CN210425016U

CN210425016U - Complete upper air intake burner

Info

Publication number: CN210425016U
Application number: CN201921472729.3U
Authority: CN
Inventors: 陈毅; 周国来
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-28
Anticipated expiration: 2029-09-05

Abstract

The complete upper air inlet burner comprises a burner base, an injection module, a main fire distribution assembly and a central fire outlet cover, wherein a main fire distribution cavity is arranged in the main fire distribution assembly; the main fire air inlet end of the main fire ejector is fixed on the lower surface of the horizontal partition plate, and the main fire air outlet end of the main fire ejector penetrates through the horizontal partition plate and then is communicated with the main fire distributing cavity; the central fire air inlet end of the central fire ejector is fixed on the upper surface of the horizontal partition plate; the horizontal partition plate is fixedly provided with a vertical partition plate, the vertical partition plate is arranged behind the end face of the central fire air inlet end of the central fire ejector, the upper end face of the vertical partition plate is in contact with the lower surface of the main fire distributing assembly, and the two ends of the vertical partition plate extend to the two sides of the end face of the central fire air inlet end of the central fire ejector. The utility model discloses compact structure, stability is good, and combustion power is big, and the operational reliability is high.

Description

Complete upper air intake burner

Technical Field

The utility model relates to a totally go up air inlet burner.

Background

In the existing gas cooker and integrated cooker industries, most of burners adopt a lower air inlet combustion technology, although some burners adopt upper air inlet, the burner head is lifted on the basis of the lower air inlet burner to realize the supply of secondary air from the upper part of a panel, and the supplement of primary air does not realize the upper air inlet, so the burner cannot be called as a complete upper air inlet technology. When the burner is applied to a common gas stove, the cabinet door of the cabinet needs to be provided with a vent hole; when the burner is applied to an integrated stove, a wire operating mechanism for adjusting an air door needs to be arranged; the burner is harsh in installation condition, and the size of the vent hole and the stability of the wire operating mechanism directly influence the working reliability of the burner.

The existing burner with part of upward air inlet has a small ejector and cannot meet the ejection requirement of large load, so that the heat load is small, only about 3.5-4.0kW is generated, the combustion flame is small, and the requirement of quick-frying Chinese food cannot be met. Meanwhile, the ejector is small, so that the adaptability to gas is poor, and the combustion stability is poor, so that the ejector is not well popularized.

The existing partial completely upper air inlet burner has the problems that the primary air and the secondary air have air flow interference during working, the air robbing phenomenon is frequent, and the combustion stability is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the above-mentioned defect that prior art exists, provide a compact structure, can prevent that the air current disturbs and the last air inlet burner that the phenomenon of robbing gas takes place completely when burning.

The complete upper air inlet burner comprises a burner base, an injection module, a main fire distribution assembly and a central fire outlet cover, wherein the main fire distribution assembly is provided with a main fire outlet hole, the central fire outlet cover is provided with a central fire outlet hole, a main fire distribution cavity is arranged in the main fire distribution assembly, the injection module is arranged on the burner base and comprises a central fire injector, a main fire injector and a horizontal partition plate, the central fire injector consists of a central fire inlet end and a central fire outlet end which are sequentially and fixedly connected, the main fire injector consists of a main fire inlet end and a main fire outlet end which are sequentially and fixedly connected, and the main fire outlet end of the main fire injector is communicated with the main fire distribution cavity; the central fire inlet end of the central fire ejector is fixed on the upper surface of the horizontal partition plate, and the central fire outlet cover is covered on the central fire outlet end of the central fire ejector; the horizontal partition plate is fixedly provided with a vertical partition plate, the lower end face of the vertical partition plate is fixedly connected with the upper surface of the horizontal partition plate, the vertical partition plate is arranged behind the end face of the central fire air inlet end of the central fire ejector, the upper end face of the vertical partition plate is in contact with the lower surface of the main fire distributing assembly, and the two ends of the vertical partition plate extend to the two sides of the end face of the central fire air inlet end of the central fire ejector.

Further, vertical baffle and horizontal baffle can be integrated into one piece structure.

Furthermore, when the horizontal section of the horizontal partition plate is circular, the main fire air inlet end of the main fire ejector is positioned in the diameter direction of the horizontal partition plate, and the length of the main fire air inlet end, which is more than or equal to 70% of the diameter of the horizontal partition plate, is less than or equal to the diameter of the horizontal partition plate, so that the length of the main fire air inlet end of the main fire ejector can be maximized, the high-power ejection requirement is met, the combustion flame is large, and the working reliability is high;

when the horizontal cross section of the horizontal partition plate is non-circular, the main fire air inlet end of the main fire ejector is positioned in the maximum length direction of the horizontal partition plate, and the length of the main fire air inlet end is more than or equal to 70% of the maximum length of the horizontal partition plate and less than or equal to the maximum length of the horizontal partition plate, so that the length of the main fire air inlet end of the main fire ejector can be maximized, the high-power ejection requirement is met, the combustion flame is large, and the working reliability is high.

The end face of the central fire air inlet end of the central ejector is parallel to or intersected with the end face of the main fire air inlet end of the main fire ejector.

Further, the horizontal partition plate can be a symmetrical figure, and when the horizontal partition plate is a symmetrical figure and a central axis dividing the horizontal partition plate into two symmetrical parts is the maximum length of the horizontal partition plate, the main fire air inlet end of the main fire ejector can be arranged in the lower surface of the horizontal partition plate.

Furthermore, a through hole is formed in the center of the main fire distributing assembly, the main fire distributing assembly comprises a main fire cover with a circular ring-shaped horizontal cross section and a main fire seat with a circular ring-shaped horizontal cross section, the central through hole of the main fire cover and the central through hole of the main fire seat are the central through holes of the main fire distributing assembly, the central fire outlet end of the central fire ejector extends into the central through hole of the main fire distributing assembly, the main fire cover covers the main fire seat, a main fire outlet hole is formed in the main fire cover, the main fire outlet hole in the main fire cover is the main fire outlet hole in the main fire distributing assembly, a cavity surrounded by the main fire cover and the main fire seat is a main fire distributing cavity, a fire equalizing plate is arranged in the main fire distributing cavity, and a fire equalizing hole is formed in the fire equalizing plate; the upper end face of the vertical partition plate is in contact with the lower surface of a main fire seat of the main fire distributing assembly.

Furthermore, at least two connecting seats are arranged on the horizontal partition plate;

the main fire seat is provided with a fastening hole, the connecting seat fixed on the horizontal clapboard is provided with a fastening hole matched with the fastening hole on the main fire seat, and the mechanical connection between the main fire seat and the connecting seat fixed on the horizontal clapboard is realized through the fastening hole arranged on the main fire seat and a fastening piece in the fastening hole of the connecting seat fixed on the horizontal clapboard; the fasteners are preferably bolts. The fastening hole on the main fire seat and the fastening hole on the connecting seat of the horizontal clapboard are threaded holes;

or the lower surface of the main fire seat is provided with a rivet-shaped bulge, the connecting seat fixed on the horizontal clapboard is provided with a fastening hole matched with the rivet-shaped bulge, and the rivet-shaped bulge on the lower surface of the main fire seat is riveted in the fastening hole on the connecting seat, so that the riveting connection between the connecting seat fixed on the horizontal clapboard and the main fire seat is realized.

The mechanical connection or the riveting connection is adopted, so that the influence of heat generated by combustion on the main fire ejector is small when the burner is used for a long time, the heat transferred from the main fire branch fire cavity to the main fire ejector is small, the influence of high temperature of the main fire branch fire cavity on the ejection capacity of the main fire ejector is small, the combustion stability is better, and the bad phenomena of red fire, yellow flame and the like are not easy to occur when the burner is used for a long time; meanwhile, the heat transfer to the inside of the gas cooker or the integrated cooker product can be reduced, and the electric control and the sealing element in the gas cooker or the integrated cooker product have better durability, safety and reliability.

Further, the quantity of the connecting seat on the horizontal partition plate is preferably four, wherein two connecting seats are symmetrically arranged on two sides of the central fire air inlet end of the central fire ejector, and the other two connecting seats are symmetrically arranged on two sides of the main fire air outlet end of the main fire ejector. When two connecting seats are symmetrically arranged on two sides of the central fire air inlet end of the central fire ejector, the two connecting seats and the vertical partition plate are of an integrated structure, namely, the two connecting seats are manufactured into a whole.

Further, the completely upper air inlet burner also comprises a nozzle seat, the nozzle seat is fixedly connected with the burner base, a central fire air flow channel and a main fire air flow channel are arranged in the nozzle seat, the nozzle seat is provided with a main fire air inlet end, a central fire air inlet end, a main fire air outlet end and a central fire air outlet end, the main fire air inlet end and the main fire air outlet end of the nozzle seat are both communicated with the main fire air flow channel in the nozzle seat, the central fire air inlet end and the central fire air outlet end of the nozzle seat are both communicated with the central fire air flow channel in the nozzle seat, the main fire air inlet end and the central fire air inlet end of the nozzle seat are both externally connected with a gas pipeline, the main fire air outlet end and the central fire air outlet end of the nozzle seat are respectively provided with a main fire nozzle and a central fire nozzle, the main fire nozzle and the main fire air inlet end of the main fire injector are on the same central axis, a gap exists between the outer end surface of the main fire nozzle and the outer end of the main, the central fire nozzle and the central fire air inlet end of the central fire ejector are concentric with a central shaft, and a gap is formed between the outer end surface of the central fire nozzle and the outer end surface of the central fire air inlet end of the central fire ejector; the center of the main fire nozzle and the center of the central fire nozzle are both provided with through holes, the central through hole of the main fire nozzle is communicated with the main fire airflow channel in the nozzle seat, and the central through hole of the central fire nozzle is communicated with the central fire airflow channel in the nozzle seat.

Further, the nozzle seat and the burner base can be of an integrally formed structure or a split structure; when the nozzle seat and the combustor base are of a split structure, the nozzle seat and the combustor base are connected or riveted through fasteners. The fasteners may preferably be bolts or screws or the like. When the nozzle seat is riveted and connected with the burner base, the outer end face of the nozzle seat is provided with a rivet-shaped bulge, the burner base is provided with a fastening hole matched with the burner base, and the rivet-shaped bulge on the outer end face of the nozzle seat is riveted in the fastening hole of the burner base, so that the riveted connection of the burner base and the nozzle seat is realized.

Further, the middle part both sides of combustor base are equipped with two reference columns, and the horizontal cross-section of two reference columns is different shapes to do benefit to the direction of distinguishing, be used for the location to draw the circumferential position of penetrating module and main fire branch fire subassembly. An ignition needle for ignition is installed in the center hole of one of the positioning columns, and an induction needle or a thermocouple needle for induction ignition is installed in the center hole of the other positioning column. And the horizontal partition plate is provided with positioning column through holes matched with the two positioning columns, and the two positioning columns penetrate through the positioning column through holes in the horizontal partition plate and then extend into the central through hole of the main fire distributing assembly. The shapes of the positioning column through insertion holes in the horizontal partition plate are respectively consistent with the shapes of the horizontal sections of the two positioning columns, so that the circumferential positions of the injection module and the main fire distribution assembly can be further positioned.

Further, the upper surface of combustor base is equipped with two at least (preferably four) upper struts, and the lower terminal surface of upper strut links firmly with the upper surface outer fringe of combustor base, and during the installation, the upper end face of upper strut contacts with the lower surface of horizontal baffle for the vertical direction of location draw and penetrate module and main fire branch fire subassembly. The number of the upper supporting rods on the upper surface of the burner base is preferably four, and the four upper supporting rods are uniformly distributed on the upper surface of the burner base.

Further, the main fire ejector is of an integrally formed structure;

or the main fire ejector is divided into an upper part and a lower part along the horizontal plane of the central shaft of the main fire air inlet end of the main fire ejector, the upper part of the main fire ejector and the horizontal partition plate are of an integrally formed structure, a connecting plate is arranged on the periphery of the lower part of the main fire ejector, a fastening hole is formed in the connecting plate, a rivet-shaped bulge is arranged on the lower surface of the horizontal partition plate, and the rivet-shaped bulge on the lower surface of the horizontal partition plate is riveted in the fastening hole in the connecting plate, so that the connection of the upper part and the lower part of the main fire ejector and the connection of the lower part of the main.

Furthermore, a water retaining strip is arranged on the upper surface of the burner base close to the outer edge, and the projections of the outer edge of the horizontal partition plate and the outer edge of the main fire cover on the burner base are positioned on the outer side of the water retaining strip, so that when misoperation occurs, dropped liquid flows onto the horizontal partition plate from the central through hole 8 of the main fire distributing assembly and then flows onto a water tray outside the burner base through the horizontal partition plate (when the burner is installed on a gas cooker or an integrated stove product, the water tray of the gas cooker or the integrated stove product is arranged on the periphery of the burner base), and cannot enter the inside of the burner base under the action of the water retaining strip; and liquid dropping from the outer edge of the main fire cover flows to a water tray outside the burner base (when the burner is arranged on a gas cooker or an integrated cooker product, the water tray of the gas cooker or the integrated cooker product is arranged on the periphery of the burner base), and cannot enter the inside of the burner base under the action of the water retaining strip.

Further, the lower surface of combustor base is equipped with four stabilizer blades to do benefit to the realization combustor and the connection of gas cooking utensils or integrated kitchen etc..

Furthermore, the main fire cover of the main fire distribution assembly, the main fire seat of the main fire distribution assembly and the central fire outlet cover are all made of metal plates with the thickness of less than 1.5 mm. The heat capacity of the main fire distributing assembly and the central fire outlet cover is reduced, heat dissipation is accelerated, the service life of the combustor is prolonged, and the working reliability of the combustor is improved.

Furthermore, the main fire ejector and the main fire seat of the main fire distributing assembly can be of an integrally formed structure or a split structure; when the split type structure is adopted, the main fire air inlet end of the main fire ejector is fixed on the lower surface of the horizontal partition plate, the connecting seat is fixed on the horizontal partition plate, and the main fire seat is mechanically connected or riveted with the connecting seat fixed on the horizontal partition plate, so that the main fire ejector can be connected with the main fire seat through the horizontal partition plate and the connecting seat. The main fire cover and the main fire seat of the main fire distributing assembly can be of an integrally formed structure or a split structure; when the structure is split, the main fire cover covers the main fire seat. The central fire ejector and the central fire outlet cover can be of an integrally formed structure or a split structure; when the split type structure is adopted, the central fire outlet cover covers the central fire outlet end of the central fire ejector.

The air near the main fire air inlet end of the main fire ejector and the central fire air inlet end of the central fire ejector is called primary air, and the primary air is injected and mixed with fuel gas sprayed from the central fire nozzle and the main fire nozzle, enters the main fire ejector and the central fire ejector through the main fire air inlet end of the main fire ejector and the central fire air inlet end of the central fire ejector respectively, and is sprayed out from the main fire air outlet end of the main fire ejector and the central fire air outlet end of the central fire ejector; the mixed airflow of air and fuel gas from the main fire outlet end of the main fire ejector is evenly divided by the fire equalizing plate and then enters the main fire dividing cavity, and finally, the main fire cover is provided with a main fire outlet hole for spraying and burning; the mixed air flow of the air and the fuel gas coming out from the central fire outlet end of the central fire ejector enters the central fire branch cavity, and finally is ejected out from the central fire outlet hole of the central fire outlet cover to be combusted. After the airflow is sprayed out from the main fire outlet hole and the central fire outlet hole, combustion promoting air required by combustion is called secondary air, and the secondary air mainly comprises air in the central through hole of the main fire distributing assembly and air above the main fire distributing assembly.

The combustor base is the main part of accepting of this combustor, and the front of combustor base is in the top of the panel of gas cooking utensils or integrated kitchen range product, and the back of combustor base is installed in the below of the panel of gas cooking utensils or integrated kitchen range product, and this combustor passes through the stabilizer blade of combustor base lower surface and inserts in the mounting hole of gas cooking utensils or integrated kitchen range product.

The main fire inlet end of the main fire ejector is fixed on the lower surface of the horizontal partition plate, the vertical partition plate is arranged behind the end face of the central fire inlet end of the central fire ejector, the upper end face of the vertical partition plate is in contact with the lower surface of the main fire distribution assembly (specifically, the upper end face of the vertical partition plate is in contact with the lower surface of the main fire seat of the main fire distribution assembly), two ends of the vertical partition plate extend to two sides of the end face of the central fire inlet end of the central fire ejector, primary air and secondary air required by combustion are distributed under the action of the horizontal partition plate and the vertical partition plate, the primary air is introduced from the periphery of the burner, the secondary air is combustion promoting air, and the secondary air is fully supplemented from a central through hole of the main fire distribution assembly and above the main fire distribution assembly, so that air flow interference and gas robbing during combustion are prevented, and the stability of combustion is improved.

When the combustor is installed on gas cooking utensils or integrated kitchen product, draw and penetrate the module and locate on the combustor base, draw the central fire ejector and the main fire ejector of penetrating the module and all need not to advance the air from gas cooking utensils or integrated kitchen product panel below of advancing air gas cooking utensils or integrated kitchen product panel from gas cooking utensils or integrated kitchen product's panel upper portion, realized going up the air inlet completely, do not have special requirement to the installation condition, the ventilation hole need not to be seted up to cupboard cabinet door when being applied to ordinary gas cooking utensils, also need not to set up the mechanism of operating as go-between when being applied to integrated kitchen, application scope is wider, the operational reliability is high.

When the utility model is applied to a common gas stove, the cabinet door of the cabinet does not need to be provided with air holes, thus better improving the overall harmony of the cabinet; simultaneously, the injection of the main fire nozzle and the central fire nozzle and the injection of the main fire ejector and the central fire ejector are all completed on a panel of the gas cooker or an integrated cooker product, so that the defects of deposition, tempering and the like of gas are avoided, and meanwhile, because the burner is arranged above the panel of the gas cooker or the integrated cooker product, the temperature rise inside the whole gas cooker or the integrated cooker is effectively reduced, and the stability and the reliability of the gas cooker or the integrated cooker product are better improved. Use the utility model discloses, when being applied to integrated kitchen on, the combustor adopts last air inlet, therefore need not to set up the mechanism of operating as go-between to integrated kitchen, also need not to operate the mechanism air damper through acting as go-between, and it is more convenient to use. And moreover, as the lower part of the integrated cooker is generally provided with a strong current structure, such as a motor, a steaming oven and other strong current equipment, and the combustor adopts an upper air inlet structure, the structure is similar to that of a common gas cooker, so that the safety and the stability of the product are better improved.

The utility model discloses compact structure, stability is good, and combustion power is big, and manufacturing process is simple, and the operational reliability is high, can effectively reduce energy utilization and material consumption, is fit for mass production.

Drawings

Fig. 1 is an overall exploded view of a fully upwind burner.

Fig. 2 is an exploded view of the induction module and main fire distribution assembly of a fully updraft burner.

Fig. 3 is an exploded view of the burner base and nozzle carrier of a fully updraft burner.

Fig. 4 is an overall cross-sectional view of a fully upwind burner.

Fig. 5 is a top view of the fully upper inlet burner after the injection module and main flame divider assembly are assembled.

Fig. 6 is a perspective view of the fully upper inlet burner after the injection module and main fire distributor assembly are assembled.

Fig. 7 is an assembly structural view of the lower portion of the main fire ejector and the connection plate.

FIG. 8 is a view showing the assembly of the upper portion of the main fire ejector with the horizontal partition.

In the figure:

1. burner base, 2, central fire outlet cover, 3, main fire outlet hole, 4, central fire outlet hole, 5, central fire ejector, 5-1, central fire inlet end, 5-2 central fire outlet end, 6, main fire ejector, 6-1 main fire inlet end, 6-2 main fire outlet end, 7, horizontal partition plate, 8, through hole in the center of main fire distribution component, 9, main fire cover, 10, main fire seat, 11, uniform fire plate, 12, uniform fire hole on the uniform fire plate, 13, connecting seat on the horizontal partition plate, 14, nozzle seat, 15, main fire nozzle, 16, central fire nozzle, 17, positioning column, 18, upper supporting rod, 19, vertical partition plate, 20, water bar, 21, supporting leg, 22, ignition needle, 23, induction needle or thermocouple needle, 24, bolt, 25, threaded hole on the main fire seat, 26, threaded hole on the connecting seat, 27. the nozzle seat comprises a main fire air inlet end, a positioning column penetrating hole on the horizontal partition plate 28, a central fire air inlet end of the nozzle seat 29, a fastening hole on the connecting plate 30, a connecting plate 31 and a rivet-shaped bulge on the lower surface of the horizontal partition plate 32.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-8, the complete upper air intake burner comprises a burner base 1, an injection module, a main fire distribution assembly and a central fire outlet cover 2, wherein the main fire distribution assembly is provided with a main fire outlet hole 3, the central fire outlet cover 2 is provided with a central fire outlet hole 4, a main fire distribution cavity is arranged in the main fire distribution assembly, the injection module is arranged on the burner base 1, the injection module comprises a central fire injector 5, a main fire injector 6 and a horizontal partition plate 7, the central fire injector 5 is composed of a central fire inlet end 5-1 and a central fire outlet end 5-2 which are sequentially and fixedly connected, the main fire injector 6 is composed of a main fire inlet end 6-1 and a main fire outlet end 6-2 which are sequentially and fixedly connected, the main fire outlet end 6-2 of the main fire injector 6 is communicated with the main fire distribution cavity, the main fire inlet end 6-1 of the main fire injector 6 is fixed on the lower surface of the horizontal partition plate 7, a main fire air outlet end 6-2 of the main fire ejector 6 penetrates through the horizontal partition plate 7 and then is communicated with the main fire distributing cavity; a central fire air inlet end 5-1 of the central fire ejector 5 is fixed on the upper surface of the horizontal partition plate 7, and a central fire outlet cover 2 covers the central fire air outlet end 5-2 of the central fire ejector 5; a vertical partition plate 19 is fixed on the horizontal partition plate 7, the lower end face of the vertical partition plate 19 is fixedly connected with the upper surface of the horizontal partition plate 7, the vertical partition plate 19 is arranged behind the end face of the central fire air inlet end 5-1 of the central fire ejector 5, the upper end face of the vertical partition plate 19 is in contact with the lower surface of the main fire distributing assembly, and two ends of the vertical partition plate 19 extend to two sides of the end face of the central fire air inlet end 5-1 of the central fire ejector 5.

The vertical partition 19 and the horizontal partition 7 may be of an integrally formed structure.

When the horizontal cross section of the horizontal partition plate 7 is circular, the main fire air inlet end 6-1 of the main fire ejector 6 is positioned in the diameter direction of the horizontal partition plate 7, and the length of the main fire air inlet end 6-1, which is more than or equal to 70% of the diameter of the horizontal partition plate 7, is less than or equal to the diameter of the horizontal partition plate 7, so that the length of the main fire air inlet end 6-1 of the main fire ejector 6 can be maximized, the requirement of high-power ejection is met, the combustion flame is large, and the working reliability is high. In actual manufacturing, in order to increase the amount of air outside the main fire air inlet end 6-1 of the main fire ejector 6 or due to differences in manufacturing processes, the length of the main fire air inlet end 6-1 of the main fire ejector 6 may not be equal to or less than the diameter of the horizontal partition plate 7.

When the horizontal section of the horizontal partition plate 7 is non-circular, the main fire air inlet end 6-1 of the main fire ejector 6 is positioned in the direction of the maximum length of the horizontal partition plate 7, and the length of the main fire air inlet end 6-1 is more than or equal to 70% of the maximum length of the horizontal partition plate 7 is more than or equal to the maximum length of the horizontal partition plate 7, so that the length of the main fire air inlet end 6-1 of the main fire ejector 6 can be maximized, the high-power ejection requirement is met, the combustion flame is large, and the working reliability is high. In actual manufacturing, in order to increase the amount of air outside the main fire inlet end of the main fire ejector or due to differences in manufacturing processes, the length of the main fire inlet end of the main fire ejector may not be equal to or less than the maximum length of the horizontal partition plate.

In this embodiment, the horizontal cross section of the horizontal partition 7 is non-circular.

The end surface of the central fire air inlet end 5-1 of the central ejector 5 is parallel to or intersected with the end surface of the main fire air inlet end 6-1 of the main fire ejector 6. In this embodiment, the horizontal partition plate 7 is a symmetrical figure, the central axis of the horizontal partition plate 7 which is divided into two symmetrical parts is the maximum length of the horizontal partition plate 7, and the main fire air inlet end 6-1 of the main fire ejector 6 is arranged on the lower surface of the horizontal partition plate 7.

The center of the main fire distribution assembly is provided with a through hole 8, the main fire distribution assembly comprises a main fire cover 9 with a circular ring-shaped horizontal cross section and a main fire seat 10 with a circular ring-shaped horizontal cross section, the central through hole of the main fire cover 9 and the central through hole of the main fire seat 10 are the central through hole 8 of the main fire distribution assembly, a central fire air outlet end 5-2 of a central fire ejector 5 extends into the central through hole 8 of the main fire distribution assembly, the main fire cover 9 covers the main fire seat 10, a main fire outlet hole 3 is formed in the main fire cover 9, the main fire outlet hole 3 in the main fire cover 9 is the main fire outlet hole 3 in the main fire distribution assembly, a cavity surrounded by the main fire cover 9 and the main fire seat 10 is a main fire distribution cavity, a fire equalization plate 11 is arranged in the main fire distribution cavity, and a fire equalization hole 12 is formed in the fire equalization plate 11; the upper end surface of the vertical partition plate 19 is contacted with the lower surface of the main fire seat 10 of the main fire distributing assembly.

The horizontal clapboard 7 is provided with at least two connecting seats 13;

the main fire seat 10 is provided with a threaded hole 25, the connecting seat 13 of the horizontal clapboard 7 is provided with a threaded hole 26 matched with the threaded hole 25 on the main fire seat 10, and the mechanical connection between the main fire seat 10 and the connecting seat 13 of the horizontal clapboard 7 is realized through a bolt 24 arranged in the threaded hole 25 on the main fire seat 10 and the threaded hole 26 on the connecting seat 13 of the horizontal clapboard 7.

The mechanical connection is adopted, so that the influence of heat generated by combustion of the burner during long-term use on the main fire ejector 6 is small, the heat transferred from the main fire branch fire cavity to the main fire ejector 6 is small, the influence of high temperature of the main fire branch fire cavity on the ejection capacity of the main fire ejector 6 is small, the combustion stability is better, and the bad phenomena of red fire, yellow flame and the like are not easy to occur during long-term use; meanwhile, the heat transfer to the inside of the gas cooker or the integrated cooker product can be reduced, and the electric control and the sealing element in the gas cooker or the integrated cooker product have better durability, safety and reliability.

In this embodiment, the number of the connecting seats 13 on the horizontal partition plate 7 is four, two of the connecting seats 13 are symmetrically arranged on two sides of the central fire air inlet end 5-1 of the central fire ejector 5, and the other two connecting seats 13 are symmetrically arranged on two sides of the main fire air outlet end 6-2 of the main fire ejector 6. When two of the connecting seats 13 are symmetrically arranged at two sides of the central fire air inlet end 5-1 of the central fire ejector 5, the two connecting seats 13 and the vertical partition plate 19 can be of an integrally formed structure, namely, are manufactured into a whole.

The fully air-intake burner further comprises a nozzle seat 14, the nozzle seat 14 is fixedly connected with the burner base 1, a central fire air flow channel (not shown in the figure) and a main fire air flow channel (not shown in the figure) are arranged in the nozzle seat 14, the nozzle seat 14 is provided with a main fire air inlet end 27, a central fire air inlet end 29, a main fire air outlet end (not shown in the figure) and a central fire air outlet end (not shown in the figure), the main fire air inlet end 27 and the main fire air outlet end of the nozzle seat 14 are communicated with the main fire air flow channel in the nozzle seat 14, the central fire air inlet end 29 and the central fire air outlet end of the nozzle seat 14 are communicated with the central fire air flow channel in the nozzle seat 14, the main fire air inlet end 27 and the central fire air inlet end 29 of the nozzle seat 14 are externally connected with a gas pipeline (not shown in the figure), and the main fire air outlet end and the central fire air outlet end of the nozzle seat 14 are, the main fire nozzle 15 and the main fire air inlet end 6-1 of the main fire ejector 6 are concentric with each other, a gap exists between the outer end face of the main fire nozzle 15 and the outer end face of the main fire air inlet end 6-1 of the main fire ejector 6, the central fire nozzle 16 and the central fire air inlet end 5-1 of the central fire ejector 5 are concentric with each other, and a gap exists between the outer end face of the central fire nozzle 16 and the outer end face of the central fire air inlet end 5-1 of the central fire ejector 5; the center of the main fire nozzle 15 and the center of the central fire nozzle 16 are both provided with through holes, the central through hole of the main fire nozzle 15 is communicated with the main fire airflow channel in the nozzle seat 14, and the central through hole of the central fire nozzle 16 is communicated with the central fire airflow channel in the nozzle seat 14.

The nozzle holder 14 and the burner base 1 may be an integrally formed structure or a split structure. When the nozzle holder 14 and the burner base 1 are of a split structure, the nozzle holder 14 and the burner base 1 are connected or riveted through a fastener. The fastener is a bolt or a screw and the like. When the nozzle holder 14 is riveted with the burner base 1, the outer end surface of the nozzle holder 14 is provided with a rivet-shaped protrusion (not shown in the figure), the burner base 1 is provided with a fastening hole (not shown in the figure) matched with the burner base 1, and the rivet-shaped protrusion on the outer end surface of the nozzle holder 14 is riveted in the fastening hole of the burner base 1, so that the riveted connection between the burner base 1 and the nozzle holder 14 is realized.

In this embodiment, the nozzle holder 14 and the burner base 1 are integrally formed.

Two positioning columns 17 are arranged on two sides of the middle of the combustor base 1, and the horizontal sections of the two positioning columns 17 are different in shape, so that the distinguishing direction is facilitated, and the positioning injection module and the circumferential position of the main fire distribution assembly are used for positioning. An ignition needle 22 for ignition is installed in a central hole of one positioning column 17, and an induction needle or thermocouple needle 23 for induction ignition is installed in a central hole of the other positioning column 17. And the horizontal partition plate 7 is provided with positioning column through holes 28 matched with the two positioning columns 17, and the two positioning columns 17 penetrate through the positioning column through holes in the horizontal partition plate 7 and then extend into the central through hole 8 of the main fire distributing assembly. The shapes of the positioning column through holes in the horizontal partition plate 7 are respectively consistent with the horizontal cross-sectional shapes of the two positioning columns 17, so that the circumferential positions of the injection module and the main fire distribution assembly can be further positioned.

The upper surface of combustor base 1 is equipped with four upper strut 18, and the lower terminal surface of upper strut 18 links firmly with the upper surface outer fringe of combustor base 1, and during the installation, the up end of upper strut 18 and the lower surface contact of horizontal baffle 7 for the vertical direction of location draw and penetrate module and main fire branch fire subassembly.

In this embodiment, the main fire ejector 6 is divided into an upper part and a lower part along a horizontal plane where a central axis of a main fire air inlet end 6-1 of the main fire ejector 6 is located, the upper part of the main fire ejector 6 and the horizontal partition plate 7 are of an integrally formed structure, a connecting plate 30 is arranged on the periphery of the lower part of the main fire ejector 6, a fastening hole 31 is formed in the connecting plate 30, a rivet-shaped protrusion 32 is arranged on the lower surface of the horizontal partition plate 7, and the rivet-shaped protrusion 32 on the lower surface of the horizontal partition plate 7 is riveted in the fastening hole 31 in the connecting plate 30, so that the connection of the upper part and the lower part of the main fire ejector 6 and the connection of the lower part of the main fire ejector 6 and the horizontal.

The upper surface of the burner base 1 is provided with a water bar 20 near the outer edge, the projections of the outer edge of the horizontal clapboard 7 and the outer edge of the main fire cover 9 on the burner base 1 are positioned at the outer side of the water bar 20, so that when misoperation occurs, dropped liquid flows onto the horizontal clapboard 7 from the central through hole 8 of the main fire distributing assembly and then flows onto a water tray (not shown in the figure) outside the burner base through the horizontal clapboard 7 (when the burner is installed on a gas cooker or an integrated stove product, the water tray of the gas cooker or the integrated stove product is arranged at the periphery of the burner base), and cannot enter the inside of the burner base 1 under the action of the water bar 20; and the liquid dropping from the outer edge of the main fire cover 9 flows to a water tray outside the burner base 1 and cannot enter the inside of the burner base 1 under the action of the water bar 20.

The lower surface of the burner base 1 is provided with four support legs 21 to facilitate the connection of the burner with a gas cooker or an integrated stove or the like.

The main fire cover 9 of the main fire distributing assembly, the main fire seat 10 of the main fire distributing assembly and the central fire outlet cover 2 are all made of metal plates with the thickness of less than 1.5 mm. The heat capacity of the main fire distributing assembly and the central fire outlet cover 2 is reduced, heat dissipation is accelerated, the service life of the combustor is prolonged, and the working reliability of the combustor is improved.

The main fire ejector 6 and the main fire seat 10 of the main fire distributing assembly can be of an integrally formed structure or a split structure, and the split structure is adopted in the embodiment. The main fire cover 9 and the main fire seat 10 of the main fire distributing component can be of an integrally formed structure, and can also be of a split structure, in this embodiment, the split structure is adopted. The central fire ejector 56 and the central fire outlet cover 2 can be of an integrally formed structure or a split structure, and the embodiment of the invention is of the split structure.

Herein, integrally formed means that the two parts are manufactured as one body at the time of manufacture. The fixing or fastening manner: can be manufactured into a whole during manufacturing; the fixed connection or fixation can be realized through fasteners such as bolts or screws; or the two parts are respectively provided with a rivet-shaped bulge and a fastening hole, and the rivet-shaped bulge is riveted in the fastening hole to realize the fixed connection or fixation of the two parts.

The air near the main fire air inlet end 6-1 of the main fire ejector 6 and the central fire air inlet end 5-1 of the central fire ejector 5 is called primary air, the primary air and the fuel gas ejected from the central fire nozzle 16 and the central fire nozzle 15 are ejected and mixed, and then the primary air and the fuel gas enter the main fire ejector 6 and the central fire ejector 5 respectively through the main fire air inlet end 6-1 of the main fire ejector 6 and the central fire air inlet end 5-1 of the central fire ejector 5 and are ejected from the main fire air outlet end 6-2 of the main fire ejector 6 and the central fire air outlet end 5-2 of the central fire ejector 5; the mixed air flow of air and fuel gas from the main fire outlet end 6-2 of the main fire ejector 6 is divided evenly by the fire equalizing plate 11 and then enters the main fire dividing cavity, and finally the main fire outlet hole 3 is formed in the main fire cover 9 to be ejected for combustion; the mixed air flow of the air and the fuel gas from the central fire outlet end 5-2 of the central fire ejector 5 enters the central fire branch cavity, and is finally sprayed out from the central fire outlet hole of the central fire outlet cover 2 for combustion. After the airflow is sprayed out from the main fire outlet hole 3 and the central fire outlet hole 4, combustion promoting air required by combustion is called secondary air, and the secondary air mainly comprises air in a central through hole 8 of the main fire distribution assembly and air above the main fire distribution assembly.

The burner base 1 is a main body for receiving the burner, the front surface of the burner base 1 is arranged above a panel (not shown in the figure) of a gas cooker or an integrated cooker product, the back surface of the burner base 1 is arranged below the panel of the gas cooker or the integrated cooker product, and the burner is inserted into a mounting hole (not shown in the figure) of the gas cooker or the integrated cooker product through a support leg 21 on the lower surface of the burner base 1. When the combustor is installed on gas cooking utensils or integrated kitchen product, draw and penetrate the module and locate on combustor base 1, draw the central fire ejector 5 and the main fire ejector 6 of penetrating the module and all advance air gas cooking utensils or integrated kitchen product panel below from the panel upper portion of gas cooking utensils or integrated kitchen product and need not to advance the air, realized going up the air inlet completely, do not have special requirement to the installation condition, the cupboard cabinet door need not to set up the ventilation hole when being applied to ordinary gas cooking utensils, also need not to set up the mechanism of operating as go-between when being applied to integrated kitchen, application scope is wider, the operational reliability is high. The main fire air inlet end 6-1 of the main fire ejector 6 is fixed on the lower surface of the horizontal partition plate 7, the vertical partition plate 19 is arranged behind the end surface of the central fire air inlet end 5-1 of the central fire ejector 5, the upper end surface of the vertical partition plate 19 is contacted with the lower surface of the main fire distributing assembly (specifically, the upper end surface of the vertical partition plate 19 is contacted with the lower surface of the main fire seat 10 of the main fire distributing assembly), the two ends of the vertical partition plate 19 extend to the two sides of the end surface of the central fire air inlet end 5-1 of the central fire ejector 5, under the action of the horizontal partition plate 7 and the vertical partition plate 19, the primary air and the secondary air required by combustion are distributed, the primary air is introduced from the periphery of the burner, the secondary air, namely combustion promoting air is sufficiently introduced from the central through hole 8 of the main fire distributing assembly and above the main fire distributing assembly, and the occurrence of air flow interference and air robbing phenomenon during combustion is prevented, to improve combustion stability.

Claims

1. The complete upper air inlet burner is characterized by comprising a burner base, an injection module, a main fire distribution assembly and a central fire outlet cover, wherein the main fire distribution assembly is provided with a main fire outlet hole; the main fire air inlet end of the main fire ejector is fixed on the lower surface of the horizontal partition plate, and the main fire air outlet end of the main fire ejector penetrates through the horizontal partition plate and then is communicated with the main fire distributing cavity; the central fire inlet end of the central fire ejector is fixed on the upper surface of the horizontal partition plate, and the central fire outlet cover is covered on the central fire outlet end of the central fire ejector; the horizontal partition plate is fixedly provided with a vertical partition plate, the lower end face of the vertical partition plate is fixedly connected with the upper surface of the horizontal partition plate, the vertical partition plate is arranged behind the end face of the central fire air inlet end of the central fire ejector, the upper end face of the vertical partition plate is in contact with the lower surface of the main fire distributing assembly, and the two ends of the vertical partition plate extend to the two sides of the end face of the central fire air inlet end of the central fire ejector.

2. The full upper intake air burner according to claim 1, wherein when the horizontal cross section of the horizontal partition plate is circular, the main fire intake end of the main fire ejector is positioned in the diameter direction of the horizontal partition plate, and the length of the main fire intake end is more than or equal to 70% of the diameter of the horizontal partition plate is less than or equal to the diameter of the horizontal partition plate;

when the horizontal section of the horizontal partition plate is non-circular, the main fire air inlet end of the main fire ejector is positioned in the maximum length direction of the horizontal partition plate, and the length of the main fire air inlet end is more than or equal to 70% of the maximum length of the horizontal partition plate and less than or equal to the maximum length of the horizontal partition plate;

3. The fully upper intake air burner according to claim 1 or 2, wherein a through hole is formed in the center of the main fire distributing assembly, the main fire distributing assembly comprises a main fire cover with a circular ring-shaped horizontal cross section and a main fire seat with a circular ring-shaped horizontal cross section, the central through hole of the main fire cover and the central through hole of the main fire seat are the central through holes of the main fire distributing assembly, the central fire outlet end of the central fire ejector extends into the central through hole of the main fire distributing assembly, the main fire cover covers the main fire seat, a main fire outlet hole is formed in the main fire cover, the main fire outlet hole in the main fire cover is the main fire outlet hole in the main fire distributing assembly, a cavity surrounded by the main fire cover and the main fire seat is a main fire distributing cavity, a fire equalizing plate is arranged in the main fire distributing cavity, and a fire equalizing hole is formed in the fire equalizing plate; the upper end face of the vertical partition plate is in contact with the lower surface of a main fire seat of the main fire distributing assembly.

4. The full upper intake burner of claim 3, wherein the horizontal partition plate is provided with at least two connecting seats;

the main fire seat is provided with a fastening hole, the connecting seat fixed on the horizontal clapboard is provided with a fastening hole matched with the fastening hole on the main fire seat, and the mechanical connection between the main fire seat and the connecting seat fixed on the horizontal clapboard is realized through the fastening hole arranged on the main fire seat and a fastening piece in the fastening hole of the connecting seat fixed on the horizontal clapboard;

5. The full upper intake burner according to claim 1 or 2, further comprising a nozzle holder fixedly connected to the burner base, wherein a central fire air flow channel and a main fire air flow channel are provided in the nozzle holder, the nozzle holder is provided with a main fire air inlet end, a central fire air inlet end, a main fire air outlet end and a central fire air outlet end, the main fire air inlet end and the main fire air outlet end of the nozzle holder are both communicated with the main fire air flow channel in the nozzle holder, the central fire air inlet end and the central fire air outlet end of the nozzle holder are both communicated with the central fire air flow channel in the nozzle holder, the main fire air inlet end and the central fire air inlet end of the nozzle holder are both externally connected with a gas nozzle, the main fire nozzle and the central fire nozzle are respectively mounted on the main fire air outlet end and the central fire air outlet end of the nozzle holder, the main fire nozzle and the main fire air inlet end of the main fire injector are concentric with a central axis, a gap is provided between an outer end surface of the main fire nozzle and an outer end surface of the main fire air inlet end of the main fire injector, the central fire nozzle and the central fire air inlet end of the central fire ejector are concentric with a central shaft, and a gap is formed between the outer end surface of the central fire nozzle and the outer end surface of the central fire air inlet end of the central fire ejector; through holes are formed in the center of the main fire nozzle and the center of the center fire nozzle, the center through hole of the main fire nozzle is communicated with a main fire airflow channel in the nozzle seat, and the center through hole of the center fire nozzle is communicated with a center fire airflow channel in the nozzle seat;

the nozzle seat and the burner base are of an integrally formed structure or a split structure.

6. The full upper air inlet burner as claimed in claim 3, wherein two positioning columns are arranged on two sides of the middle part of the burner base, the horizontal sections of the two positioning columns are different in shape, an ignition needle for ignition is installed in the central hole of one positioning column, and an induction needle or a thermocouple needle for induction ignition is installed in the central hole of the other positioning column; the horizontal partition plate is provided with positioning column through holes matched with the two positioning columns, and the two positioning columns penetrate through the positioning column through holes in the horizontal partition plate and then extend into the central through hole of the main fire distributing assembly; the shapes of the positioning column through insertion holes on the horizontal partition plate are respectively consistent with the shapes of the horizontal sections of the two positioning columns; the upper surface of combustor base is equipped with two at least upper struts, and the lower terminal surface of upper strut links firmly with the upper surface outer fringe of combustor base, and the upper end face of upper strut contacts with the lower surface of horizontal baffle.

7. The full upper intake burner of claim 1 or 2, wherein the main fire injector is of an integrally formed structure;

8. The top full upper intake burner of claim 1 or 2, wherein the upper surface of the burner base is provided with a water bar near the outer edge, and the projections of the outer edge of the horizontal partition plate and the outer edge of the main fire cover on the burner base are positioned outside the water bar.

9. The full upper intake air burner of claim 3, wherein the main fire cover of the main fire distributor assembly, the main fire seat of the main fire distributor assembly and the center fire cover are all made of metal plate having a thickness of less than 1.5 mm.

10. The full upper intake air burner according to claim 3, wherein the main fire ejector and the main fire seat of the main fire distribution assembly are of an integrally formed structure or a split structure; the main fire cover and the main fire seat of the main fire distributing assembly are of an integrally formed structure or a split structure; the central fire ejector and the central fire outlet cover are of an integrally formed structure or a split structure.