CN114543090A - A burner head assembly - Google Patents

Abstract

The invention relates to a burner assembly of a burner, which consists of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a burner body and a burner frame which are assembled in sequence, wherein a secondary air channel, an outer ring air climbing channel, an inner ring air and fuel gas mixing channel, a 360-degree epoxy supplementary channel, a suspension limiting ring, an air guide ring, a crescent nozzle protective cover and a bell mouth injection pipe are arranged on the burner body, the secondary air channel is arranged between the outer ring air climbing channel and the inner ring air and fuel gas mixing channel, the 360-degree epoxy supplementary channel is arranged at the outer edge of the burner body, and the circumference of the burner is smaller than the circumference of the burner body; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; the furnace end body is arranged on the furnace frame. The consumption of gas can be greatly reduced when the furnace end assembly is dynamic.

Description

A burner head assembly

technical field

The invention relates to a kitchen cooker with a hob burning device in the field of IPC classification number F23D, in particular to a burner head assembly.

Background technique

With the strengthening of the awareness of safety, energy saving, environmental protection and the change of fuel types, the structural innovation of the stove head of the kitchen stove combustion device is also unnoticed.

For example, Chinese patent document CN113883514A discloses an upper air inlet burner, comprising a burner base, a central ejection tube (13), an outer ejection tube (14), a central nozzle (7), and an outer nozzle (9). The air inlet end of the central ejection tube (13) and the air inlet end of the outer ejection tube (14) are both made flared, and the burner base is in the shape of a round cup, which is formed by deep drawing from a metal sheet, including An annular side plate (6) and a circular bottom plate (21) integrally connected with it, one side part of the side plate (6) is processed to form a relatively flat mounting portion (8), the mounting portion (8) A hole (111) and B hole (112) are provided, and the bottom plate (21) is provided with a central ejection tube slot (28) and an outer ejection tube slot (27), so that the central ejection tube (13) The lower part of the lower part and the lower part of the outer ejection tube (14) are respectively embedded in the central ejection tube groove (28) and the outer ejection tube slot (27), and make the central ejection tube (13) and the outer ejection tube (14) are welded to the bottom plate (21) respectively, the central nozzle (7) is threadedly connected to the mounting part (8) through the A hole (111), and the outer The nozzle (9) is threadedly connected to the mounting part (8) through the B hole (112), and the air outlet hole of the air outlet end of the central nozzle (7) is aligned with the air outlet of the air inlet end of the central ejection pipe (13). In the center of the air inlet hole, the air outlet hole of the air outlet end of the outer nozzle (9) is aligned with the center of the air inlet hole of the air inlet end of the outer ejection pipe (14), and the bottom plate (21) is provided with an ignition needle (2) passing through it. The C hole (34) of the lead wire or thermocouple (4) lead and the D hole (35) passing through the lead wire of the thermocouple (4) or the ignition needle (2), the soup plate positioning ring includes the mounting plate (22) for the same body connection , a plurality of connecting plates (23) and an annular outer ring (19), the outer edge of the outer ring is processed into a flange (20), and the mounting plate (22) is provided with a central ejection tube perforation (26), The ignition needle through hole (24) and the thermocouple through hole (25), the mounting plate (22) includes a circular main plate part (12) and an outer ring part (29) connected with the same body, the main plate part (12) is outer The ring portion (29) is slightly raised upward, the outer edge of the outer ring portion is connected with the several connecting plates (23), and the annular flange (20) of the outer ring (19) is sleeved into the side plate (6). ) upper end and weld the soup plate positioning ring with the burner base, make the gas outlet end of the central ejection tube (13) pass through the central ejection tube perforation (26), and the upper end of the ignition needle (2) Passing through the ignition needle through hole (24), the upper end of the thermocouple (4) passes through the thermocouple through hole (25). The application is simple in structure, beautiful in appearance, easy to clean, and easy to install, so that the material cost and processing cost of the burner and the burner are reduced, and the combustion efficiency is improved. One or two sets of flame rings make the pots placed on them heat more evenly and improve the heating efficiency.

For another example, Chinese patent document CN113623647A discloses a three-ring fire gas distribution plate and a burner. The air distribution plate includes an inner ring hole for accommodating the central gas outlet of the burner, and a plurality of The outer ring air inlet passage, the outer ring gas groove arranged on the outer ring side of the outer ring air inlet passage, a plurality of communication passages for connecting the outer ring gas groove and the plurality of outer ring air inlet passages, and the outer ring gas groove and the outer ring air inlet passage are arranged. A plurality of inner ring air inlet passages between the outer ring air inlet passages and a plurality of secondary air inlet through holes arranged on the side wall of the inner ring hole, the inner ring hole, the outer ring gas groove, the inner ring air inlet passage and the outer ring Ring inlet channels are arranged concentrically. The burner then includes the gas distribution plate and a burner head matched with the air distribution plate. The method has the advantages of diverting the gas from the inner ring of the burner to the outer ring of the fire distributor to form an outer ring fire, improving the thermal efficiency and reducing the volume of the burner, and has the characteristics of easy processing and good sealing, thereby reducing the overall cost of the burner. .

For another example, Chinese patent document N215675193U discloses a fire cover and a burner having the same, the fire cover is formed in a ring shape, and the fire cover is provided with a large fire hole for providing a large fire and a small fire hole for providing a small fire , the large fire holes and the small fire holes are arranged along the circumference of the fire cover, and the large fire holes and the small fire holes are arranged to be suitable for forming an outer ring with small fire and an inner ring with a large fire. In the fire cover of the utility model, by arranging the large fire holes and the small fire holes on the annular fire cover to be suitable for the small fire in the outer ring and the large fire in the inner ring, when the small fire of the outer ring burns, the heating area is large and the flame The heat dissipation is large, the energy efficiency is low, and the heated object can be maintained at a lower temperature without heating up, thereby improving the user experience.

Another example, Chinese patent document CN113819462A discloses a burner, an upper air inlet burner and a gas stove, the burner includes an outer ring structure, and the outer ring structure includes an outer peripheral wall of the outer ring, an inner peripheral wall of the outer ring, a connecting plate, and an outer ring lead. shoot tube and baffle; the outer peripheral wall of the outer ring is sleeved on the outside of the inner peripheral wall of the outer ring, the connecting plate is arranged in a ring shape, and the connecting plate is connected between the outer peripheral wall of the outer ring and the inner peripheral wall of the outer ring, in the circumferential direction of the connecting plate A baffle is arranged above the partial position of the sump, and a premixing cavity is formed between the baffle and the connecting plate, the outer peripheral wall of the outer ring and the inner peripheral wall of the outer ring. By setting a baffle plate above the connecting plate, a part of the space above the connecting plate is formed into a premixing chamber. After the gas and air are preliminarily mixed in the outer ring ejector pipe, they flow into the premixing chamber from the outlet of the outer ring ejector pipe. After the mixing chamber is fully mixed, it flows into the outer ring distribution air passage through the outer ring flow port, which ensures the combustion performance of the burner, and has a simple structure and convenient processing.

As far as the published and announced patent documents corresponding to the above IPC classifications are concerned, the designers of gas stove burners are all based on the needs of safety, energy saving and environmental protection to further expand the convenience of use of stoves. , to fully improve the thermal efficiency of gas and show their respective abilities. However, there is no limit. How to improve the thermal efficiency of gas and further improve the standardization of the safety and environmental protection of the stove head still needs to make great efforts.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a burner head assembly. The burner assembly in the stove can create the gas supply situation of large, medium and small fires in the dynamic process of the stove, so that the The gas leading to the burner is fully burned and the efficiency of energy saving and environmental protection is improved.

Therefore, the technical solution of the present invention to solve the problem is: a burner head assembly, which is composed of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, and a burner head assembled in sequence. The main body and the furnace frame are composed of a secondary air channel, an outer ring air climbing channel, an inner ring air and gas mixing channel, a 360° epoxy supplementary channel, a suspension limit ring, and an air guide on the furnace head body. ring, crescent nozzle protective cover, and flared ejector tube, wherein the secondary air channel is arranged between the outer ring air climbing channel and the inner ring air and gas mixing channel, and the 360° epoxy supplementary channel is arranged at At the outer edge of the burner body, and its circumference is smaller than the circumference of the burner body; and the air guide ring is arranged on the outer side of the burner body, and its circumference is the same as that of the 360 °Epoxy supplements are of equal length; the burner body is arranged on the burner.

Further, the anti-dry burning probe is composed of a probe with a thermal sensor, a probe rod, a probe fixing bolt, and a probe anti-slip tenon riveting workpiece, and the anti-dry burning probe is vertically arranged in the furnace head body. , the probe is flush with the heat shield.

Further, the body of the heat insulating sheet has four outer ring baffles and four limit sheets that are opposite to each other, and a hollow heat dissipation is arranged between each two outer ring baffles on the heat insulating sheet body. mouth; the heat insulation sheet body is arranged on the inner ring fire cover.

Further, the fire cover body of the inner ring is provided with a heat insulation sheet limit step, a fire stabilization groove, a fire hole, an anti-spill cap, an assembly step, and a fire stabilization hole, and the fire cover body is provided with on the outer ring fire cover.

Further, the fire cover body of the outer ring is provided with an ignition groove, a fire hole, a fire stabilization hole, an assembly step, an anti-spill cap, and a fire stabilization groove, and the fire cover body is arranged in the furnace. on the head body.

Further, the outer ring fire cover has a fire hole set on the fire cover body.

Compared with the prior art, the present invention has the following positive effects: the combination of the anti-dry-burning probe and the heat insulating sheet solves the problem of dry-burning of the burner during unmanned check-in; The set secondary air channel, outer ring air climbing channel, inner ring air and gas mixing channel, and 360° epoxy supplementary channel can cooperate with each other to improve the thermal effect of the burner; The fire stabilizing tank can fully realize the dynamic matching with the fire hole, which solves the problem of fire not leaving the flame and flying fire.

Compared with the prior art, the positive effect produced by the present invention is that the flared ejector tubes are respectively communicated with an outer ring air climbing channel, and the gas and air enter the outer ring air climbing channel through the flared ejection tube after one mixing. Inside, at this time, due to the wavy structure inside the air climbing channel of the outer ring, the mixed gas flows in a ring shape and continuously undulates along the wave structure, which is conducive to fully mixing the gas and air together, thereby improving the combustion effect of the mixed gas. .

Description of drawings

Fig. 1 is an exploded schematic diagram of the overall structure of the burner burner head assembly;

Fig. 2 is about the overall structure schematic diagram of the anti-dry burning probe in Fig. 1;

Figure 3a is a schematic front view of the overall structure of the heat insulation sheet in Figure 1;

FIG. 3b is a schematic view of the reverse side of the overall structure of the heat insulation sheet in FIG. 1;

Figure 4a is a schematic front view of the overall structure of the inner ring fire cover in Figure 1;

Figure 4b is a schematic view of the reverse side of the overall structure of the inner ring fire cover in Figure 1;

Figure 5a is a schematic front view of the overall structure of the outer ring fire cover in Figure 1;

Figure 5b is a schematic view of the reverse side of the overall structure of the outer ring fire cover in Figure 1;

Figure 6a is a schematic front view of the overall structure of the burner body in Figure 1;

Figure 6b is a schematic view of the back of the burner body structure in Figure 1;

FIG. 7 is a schematic diagram of the structure of the oven rack in FIG. 1 .

In the picture:

1-Anti-dry burning probe, 11-Probe, 12-Probe rod, 13-Probe fixing bolt, 14-Probe anti-skid tenon riveting workpiece;

2-Insulation sheet, 21-Outer ring baffle, 22-Limiting sheet, 23-Hollow-out cooling port;

3- Inner ring fire cover, 31- Heat insulation sheet limit step, 32- Fire stabilization groove, 33- Fire hole, 34- Spill proof cap, 35- Assembly step, 36- Fire stabilization hole;

4- Outer ring fire cover, 41- ignition groove, 42- fire hole, 43- fire stabilization hole, 44- assembly step, 45- anti-spill cap, 46- fire stabilization groove;

5- Burner body, 51- Secondary air channel, 52- Outer ring air climbing channel, 53- Inner ring air and gas mixing channel, 54- 360° epoxy supplementary channel, 55- Suspension limit ring, 56- Air guide ring, 57-crescent nozzle protection cover, 58-bell mouth ejector;

6-Stove rack.

Detailed ways

Referring to Figures 1, 5, 6a, 6b and 7, this embodiment is a burner suitable for a home kitchen stove, specifically a burner head assembly. The burner assembly is composed of an anti-dry burning probe 1, a heat insulation sheet 2, an inner ring fire cover 3, an outer ring fire cover 4, a burner body 5, and a stove frame 6, which are assembled in sequence. The gas consumption ratio is reduced to the minimum, and the calorific value effect under the dynamic situation of the burner head is improved at the same time. The design of the gas mixing channel 53, the 360° epoxy supplementary channel 54, the suspension limit ring 55, the air guide ring 56, the crescent nozzle protection cover 57, and the bell mouth ejection tube 58; therefore, the secondary air in the embodiment The channel is arranged between the outer ring air climbing channel and the inner ring air and gas mixing channel, and the 360° epoxy supplementary channel is arranged at the outer edge of the burner body, and its circumference is smaller than the circumference of the burner body; and , the air guide ring is arranged on the outer side of the burner body, and its perimeter is the same length as the 360° epoxy supplementary channel; in practice, the burner body 5 in this example is arranged on the This design realizes the compact layout of the burner body, and at the same time ensures sufficient oxygen mixing between the burner assembly and the burner, and the thermal effect of the burner reaches the optimum level.

Referring to FIG. 2 , the contribution of this embodiment is also reflected in the structural design of the anti-dry burning probe 1 , the heat insulating sheet 2 , the inner ring fire cover 3 , the outer ring fire cover 4 , the burner body 5 , and the burner 6 . For example, the anti-dry burning probe 1 is composed of a probe 11 with a thermal sensor, a probe rod 12 , a probe fixing bolt 13 , and a probe anti-slip tenon riveting workpiece 14 . When no one is on duty, in order to prevent the pots on the stove from drying out, once the thermal sensor installed in the probe 11 (not shown in the figure) senses that the temperature of the bottom of the pot reaches 270°C, the probe rod 12 automatically extends and The heat insulating sheet 2 is driven to resist heat at the bottom of the pot; under static conditions, the anti-dry burning probe is vertically arranged in the burner body, and the probe is flush with the heat insulating sheet.

Referring to Figure 3a and Figure 3b, the embodiment refers to the heat insulation sheet 2 in the furnace head assembly. In practice, the body is provided with four outer ring baffles 21 and four limit sheets 22 that are opposite to each other, and a hollow heat dissipation port 23 is arranged between every two outer ring baffles on the heat insulating sheet body; The heat insulating sheet body is arranged on the inner ring fire cover 3; in practice, the function of the heat insulating sheet is to cooperate with the anti-dry burning of the anti-dry burning probe, and the limiting sheet 22 is limited between it and the fire cover. When the anti-dry burning probe is activated, the outer ring baffle blocks the fire hole on the fire cover, the heat insulation sheet isolates the heat of the fire cover, and the heat of the fire cover is dissipated from the hollow heat dissipation port, so as to ensure that the bottom of the pot is not damaged. Dry burning.

Referring to Fig. 4a, Fig. 4b, the embodiment is the inner ring fire cover 3 in the burner assembly, and the fire cover body is provided with a heat insulating sheet limit step 31, a fire stabilization groove 32, a fire hole 33, an overflow prevention The stained cap 34, the assembly step 35, and the fire-stabilizing hole 36; in practice, the fire-stabilizing groove matches the angle of the fire hole, which can effectively prevent the occurrence of flying flames and flames when the burner is burning; the anti-spill cap can prevent The soup in the sudden pot is not on fire; the limit step and the assembly step of the heat insulation sheet are not only specific working positions for the use of the heat insulation sheet, but also make the fire cover body accurately fall on the outer ring fire cover.

Referring to Figure 5a, Figure 5b, the embodiment is the outer ring fire cover 4 in the burner assembly, and the fire cover body is provided with ignition grooves 41, fire holes 42, fire stabilization holes 43, assembly steps 44, overflow prevention The function of these functional parts is similar to that of the upper part of the inner ring fire cover, which will not be repeated in this example; in practice, the fire cover body is directly arranged on the burner body.

Referring to Figure 6a, Figure 6b, the embodiment is that the flared ejection pipe 58 is communicated with an outer ring air climbing channel 52 respectively, and the gas and air enter the outer ring air climbing through the flared ejection pipe 58 after one mixing. Inside the channel 52, at this time, due to the wavy structure inside the outer ring air climbing channel 52, the mixed gas flows in a ring shape and continuously undulates along the wavy structure, which is conducive to fully mixing the gas and air together, thereby improving the mixed gas. burning effect.

To sum up, the present invention details the structural characteristics of the burner head assembly by means of an expanded view and the description of the embodiments. In reality, from the point of view of mass production, the above technical solutions can provide a really beneficial reference and reference for creating industry standards.

Claims (6)

1. A burner head assembly of a burner, by the dry combustion prevention probe, heat insulating sheet, inner ring fire cover, outer ring fire cover, burner head body, stove frame that are assembled sequentially, characterized by that, there are secondary air channel, outer ring air climbing channel, inner ring air and fuel gas mixing channel, 360 degrees epoxy supplementary road, suspend spacing collar, air deflector ring, crescent nozzle protective cover, bell mouth ejector pipe on its burner head body, wherein, the said secondary air channel is set up in the outer ring air climbing channel, inner ring air and fuel gas mixing channel, the said 360 degrees epoxy supplementary road is set up in the outer fringe of the said burner head body, and its girth is smaller than the body girth of burner; the air guide ring is arranged on one side surface of the outer part of the furnace end body, and the circumference of the air guide ring is as long as the 360-degree epoxy supplementary channel; the furnace end body is arranged on the furnace frame.

2. The burner head assembly of claim 1, wherein the anti-dry heating probe comprises a probe with a thermal sensor, a probe rod, a probe fixing bolt, and a probe anti-slip rivet, and is vertically disposed in the burner body, and the probe is flush with the heat insulation sheet.

3. The burner head assembly of a burner according to claim 1, wherein the body of the heat shield has four outer ring retaining pieces and four limiting pieces opposite to each other, and a hollowed-out heat dissipation opening is formed between every two outer ring retaining pieces on the body of the heat shield; the heat insulation sheet body is arranged on the inner ring fire cover.

4. The burner assembly of claim 1, wherein the inner ring fire cover has a fire cover body with a heat shield retaining step, a fire stabilizing groove, a fire hole, an anti-overflow cap, an assembly step, and a fire stabilizing hole, and the fire cover body is disposed on the outer ring fire cover.

5. The burner head assembly of a burner as recited in claim 1, wherein the outer ring fire cover has a fire guiding groove, a fire hole, a fire stabilizing hole, an assembling step, an anti-overflow cap, and a fire stabilizing groove on the fire cover body, and the fire cover body is disposed on the burner head body.

6. The burner assembly of claim 5, wherein the outer fire cover has fire holes formed in a fire cover body.

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