CN114543124A - Hidden suspension burner assembly of stove - Google Patents

Abstract

The invention relates to a stove with a hidden suspension burner assembly, which consists of a stove hearth, a burner assembly, a stove panel, a stove frame, a stove valve body switch assembly and a stove bottom shell, wherein the burner assembly consists of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a stove head, the stove frame, an air curtain ring, an air curtain groove, an induction needle, an ignition needle, a base, a fixing bolt, a premixing channel, a blower and a magnetic field fan. Compared with the panel of the stove, the position of the middle part of the air curtain ring is used as a boundary, a gas hot work area and a gas supply area of the burner assembly can be separated, the safety of the stove in a working state is greatly improved, the surplus problem of the liquid containing disc is solved, and the overall design of the hidden suspension hidden stove is simplified; the combustor assembly adopts multiple oxygenating and oxygen mixing measures, especially, the air curtain ring improves oxygen supply when the furnace end is dynamic, the premixing channel strengthens air mixing force when gas is supplied, and the m-year/s consumption of gas in unit time of the furnace end is greatly reduced.

Description

A hidden suspension burner assembly for a stove

technical field

The invention relates to a kitchen cooker with a hob burning device in the fields of IPC classification numbers F23D and F24C, in particular to a hidden suspension burner assembly of the cooker.

Background technique

With the strengthening of awareness of safety, energy saving, environmental protection and changes in fuel types, structural innovations of kitchen stoves are also emerging. For example, Chinese patent document CN209991453U discloses an improved cleaning type double inner flame domestic gas burner, the burner includes an upper ejection cover and a lower ejection cover, and each of the upper ejection cover and the lower ejection cover is provided with a An outer ring ejection slot and an inner ring ejection slot, the two outer ring ejection slots and the two inner ring ejection slots are correspondingly combined up and down to form an outer ring ejection tube and an inner ring ejection tube, and the upper ejection cover is connected with several The upper ejection cover is installed on the bottom shell of the furnace through the connection feet, and the upper ejection cover extends upward with a plurality of connecting protrusions with center holes, and the corresponding liquid pan is provided with a center hole for installation and cooperation The connecting hole of the liquid pan is connected with the connecting convex column through the connecting hole of the liquid pan through the fastener, so that the burner head is installed and fixed and the liquid pan is pressed on the stove panel. The installation structure concentrates the stress points. On the upper ejection cover, avoid gaps between the upper ejection cover and the lower ejection cover due to different force directions, which will affect the sealing performance of the furnace head.

For another example, Chinese patent document CN112303676A discloses a pan-type stove with a burner head, including a stove panel, a first support seat is arranged on the lower left side of the stove panel, and a first support seat is arranged on the lower right side of the stove panel. The second support seat, a stove assembly is provided on the upper right side of the base surface of the stove panel, and the stove assembly includes a liquid pan, a cleaning tray, an outer ring fire cover, an inner ring fire cover, a stove support and an ignition burner , the left side of the ignition burner is connected with an intake branch pipe, the right side of the fixed connecting seat is laterally installed with an intake main pipe, the intake branch pipe is connected with the intake main pipe through an ignition valve, and is connected to the intake pipe through the inner ring fire cover, The outer ring fire cover is located inside the ignition burner, which can concentrate the flame and heat and improve the utilization rate of the combustion heat of the gas. In addition, the cleaning plate can position the furnace support, so that the stability of the furnace support is high.

Another example, Chinese patent document CN208871618U announces a stove burner, which comprises a stove head, an outer ring honeycomb fire cover and an inner ring fire cover, and the stove head is provided with an outer ring ejection tube and an inner ring ejection tube, It also includes a combustion seat, the combustion seat is detachably arranged on the burner head, the combustion seat includes an outer ring combustion chamber and an inner ring combustion chamber, the outer ring combustion chamber is connected to the outer ring injection pipe, and the inner ring combustion chamber is connected to The inner ring ejector tube, the outer ring combustion chamber is provided with a swirl sheet, the swirl sheet is provided with a guide hole, and the swirl sheet divides the outer ring combustion chamber into a gas premixing chamber and a gas combustion chamber. Since the gas and air are fully mixed in the gas premixing chamber, the gas entering the gas combustion chamber is fully burned and the combustion efficiency is improved, and the swirl sheet blocks the high temperature gas of the gas combustion chamber from entering the gas premixing chamber, which not only avoids tempering It also prevents the high temperature gas from being dissipated into the burner head to cause heat loss, and avoids the temperature rise of the burner head.

In another example, Chinese patent document CN104913345A discloses a gas stove and an integrated stove with the gas stove. The gas stove includes a main table, a burner and a burner head, and the upper surface of the main table is provided with a flexibly connected stove. a head cover, the burner cover and the main table are enclosed to form a cavity, the burner is arranged in the cavity, the burner is connected with the burner, and the burner is provided with a combustion hole, The combustion hole is arranged above the burner cover. Both the burner and the burner are arranged above the main table, and the burner can be easily repaired and maintained by removing the cover of the burner, and the integrated stove with the modified gas stove is also more convenient to maintain.

As far as the various technical solutions corresponding to the above IPC classifications are concerned, the designers of gas stoves are based on the needs of safety, energy saving and environmental protection, and they have deeply expanded the convenience of using stoves and fully improved the heat of gas. The individual talents displayed by the efficiency of work. However, there is no end. How to improve the thermal efficiency of gas and further improve the standardization of safety and environmental protection of household stoves still needs to make great efforts.

SUMMARY OF THE INVENTION

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

To this end, the technical solution of the present invention to solve the problem is: It is composed of a valve body switch assembly and a stove bottom shell, wherein the burner assembly is composed of an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a stove head, a stove rack, and an air curtain ring. , air curtain groove, induction needle, ignition needle, base, fixing bolt, pre-mixing channel, blower, magnetic field fan, and, from the anti-dry burning probe from above the relative stove panel to the relative opposite to the magnetic field fan The burner assembly is assembled in sequence from the bottom of the stove panel; wherein, with the air curtain ring as a boundary, the furnace frame, the burner head, the outer ring fire cover and the inner ring fire above the middle position of the air curtain ring The cover, heat insulation sheet, and anti-dry-burning probe are assembled together and protrude above the plane of the stove panel. The air curtain ring is connected with the air curtain groove. The air curtain groove below the middle of the air curtain ring, the induction The needle, ignition needle, base, fixing bolt, premixing channel, blower, and magnetic field fan are centrally assembled and hidden under the plane of the stove panel, wherein the base and the premixing channel are connected by the fixing bolt, and the The switches of the valve body switch assembly are separately arranged on the surface of the stove panel according to the left and right sides.

Further, the furnace frame and the air curtain ring form a frame ring body, and the top height of the frame ring body is 2.5 cm higher than the stove panel.

Further, the induction needle and the ignition needle are both arranged on the body of the air curtain groove, and the air curtain groove body is buckled and covered by the air curtain ring, and the response needle and the ignition needle pass through foolproofing. The fixing port is connected with the base.

Further, the magnetic field fan is arranged in the magnetic field fan mounting seat at the lower part of the premixing channel, and its working states are divided into three types: forming a wind field under the respective states of ignition, operation and closing of the burner assembly. , the size of the wind field, and the wind field is closed.

Compared with the prior art, the present invention has the following positive effects: with respect to the panel of the stove, with the position of the middle of the air curtain ring as the boundary, the gas heating area of the burner assembly can be separated from the gas supply area, It greatly improves the safety of the stove in working state, and also solves the redundant problem of the liquid pan, which simplifies the overall design of the hidden suspended hidden stove; the base design of the burner assembly solves the disorder of gas distribution In particular, the gas distribution of each ring fire cover is controlled by multi-gear points, so that the gas supply of each fire cover ring and the resulting thermal efficiency are on different combustion value curves, thereby greatly reducing the The space for energy-consuming gas is saved; the burner assembly adopts multiple oxygen supplementation and oxygen mixing measures, especially the air curtain ring improves the oxygen supply when the burner is dynamic, and the premixing channel strengthens the air mixing force during gas supply, which greatly reduces the The m³/s consumption of gas per unit time of the burner is calculated.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the stove of the present invention;

Fig. 2 is a schematic diagram showing the overall structure of the burner assembly of the stove in Fig. 1;

3 is a schematic structural diagram of the burner assembly of FIG. 2;

FIG. 4 is a schematic view of the assembly structure of the bottom of the burner assembly hidden in the lower part of the stove panel with respect to FIG. 2;

FIG. 5 is a schematic structural diagram about the outside of the base disposed on the burner assembly;

FIG. 6 is a schematic diagram of the internal structure of the base buckle cover of FIG. 5;

FIG. 7 is a schematic diagram of the internal structure of the premixing channel arranged on the burner assembly;

Figure 8 is a schematic diagram of the external structure of the premixing channel provided on the burner assembly:

Figure 9 is a schematic diagram of the internal structure of the burner head disposed on the burner assembly;

Figure 10 is a schematic diagram of the external structure of the burner set on the burner assembly;

Figure 11 is a schematic structural diagram of the joint part of the air curtain ring and the furnace frame arranged on the burner assembly;

Figure 12 is a schematic structural diagram of the joint part of the air curtain ring and the air curtain groove arranged on the burner assembly;

Figure 13 is a schematic diagram of the working principle of the magnetic field fan in the ignition state under the burner assembly;

Figure 14 is a schematic diagram of the operating principle of the magnetic field fan under the burner assembly;

Figure 15 is a schematic diagram of the working principle of the magnetic field fan in a closed state under the burner assembly.

In the picture:

1- Stove cooktop;

2- Burner assembly,

21-Anti-dry burning probe, 2101-Anti-dry burning probe hole,

22-Insulation sheet, 221-Limiting sheet,

23-Inner ring fire cover, 231-Insulation sheet limit step, 232-Fire stabilization groove, 233-Fire hole, 234-Spill-proof cap, 235-Assembly step, 236-Fire stabilization hole,

24- Outer ring fire cover, 241- Fire pit, 242- Fire hole, 243- Fire stabilization hole, 244- Assembly step, 245- Spill proof cap, 246- Fire stabilization groove,

25- Furnace head, 251- Secondary air channel, 252- Outer ring air climbing channel, 253- Inner ring air and gas mixing channel, 254- 360° epoxy supplementary channel, 255- Suspension limit ring, 256- Air Guide ring, 257-crescent nozzle protection cover, 258-flare ejector tube,

26-stove,

27-Air curtain ring, furnace frame fixing position 271, air supplementary air 272, burner suspension groove 273, air curtain hole 274, secondary premixing groove 275, air oxygen supplementary ring cavity 276, heat sink 277,

28 - air curtain slot,

29-sensing pin, 291-sensing pin mounting hole,

210-Ignition pin, 210k-Ignition pin mounting hole,

211-base, 2110-outer ring air cavity curtain air outlet, 2111-primary air premix air inlet, 2112-premix box air inlet, 2113-air inlet pipe interface, 2114-induction needle, ignition needle foolproof fixed port, 2115-Secondary air supply port, 2116-Anti-dry burning telescopic nozzle, 2117-Air curtain air inlet duct, 2118- Fastening hole, 2119- Anti-dry burning fastening hole, Fastening hole 2120, Base fastening hole 2121 , premix pipeline connection hole 2122, premix box 2123;

212 - Fixing Bolt,

213 - premixing lane;

214 - Blower,

215 - Magnetic Field Fan, 2151 - Magnetic Field Fan Mount;

3- stove panel;

4- stove hob;

5- valve body switch assembly of cooker, 51- valve body switch, 52- main gas pipe, 53- flameout protection switch, 54- gas supply pipe of inner ring fire cover of burner head, 55- gas supply pipe of outer ring fire cover of burner head,

6-Stove bottom case..

Detailed ways

In conjunction with Figures 1 to 12 of the specification, the following embodiment describes a stove with a concealed suspension burner assembly. It consists of a stove top 1, a stove burner 2, a stove panel 3, a stove hob 4, a stove valve body switch 5, and a stove bottom shell 6, wherein the stove burner assembly 2 is made of Dry burning probe 21, heat insulation sheet 22, inner ring fire cover 23, outer ring fire cover 24, stove head 25, stove rack 26, air curtain ring 27, air curtain groove 28, induction needle 29, ignition needle 210, base 211 , a fixing bolt 212 , a premixing channel 213 , a blower 214 , and a magnetic field fan 215 .

In this embodiment, with the air curtain ring 27 as the boundary, along the furnace frame 26, the furnace head 25, the outer ring fire cover 24, the inner ring fire cover 23, the heat insulation sheet 22, the anti-dry burning The probe 21 is assembled centrally and protrudes above the plane of the stove panel 3, and the air curtain groove 28, the induction needle 29, the ignition needle 210, the base 211, the fixing bolt 212, and the premixing channel are located below the middle position of the air curtain ring 27. 213, the blower 214, and the magnetic field fan 215 are assembled together and hidden under the plane of the stove panel 3 to form a hidden suspension burner assembly; among them, since the induction needle 29 and the ignition needle 210 are respectively through induction The needle mounting hole 291 and the ignition needle mounting hole 210k are arranged on the body of the air curtain groove 28 and are connected to the base through the foolproof fixing port 2114, so when the air curtain ring 27 is fully buckled with the air curtain groove 28, a Overall; it highlights the modular design of the base and the air curtain ring and the overall compactness of the burner assembly.

The anti-dry-burning probe 21 in the embodiment is provided with a ceramic sheet temperature sensor (not shown in the figure), and the outside is a non-slip mortise-and-mortise structure; the anti-dry-burning probe 21 falls into the inner ring fire cover 23 and is in infinite contact with each other when it is not dynamic; When the temperature of the furnace head is higher than the set calorific value, the gas source can be cut off when used in conjunction with the heat insulating sheet 22 with the limiting sheet 221; in practice, the temperature sense of the anti-dry burning probe 21 can be set to 270°C , in this case, it can be ensured that the bottom of the utensils and pots located on the stove rack 4 will not be dry-burned;

The inner ring fire cover 23 in the embodiment has a heat insulation sheet limit step 231, a fire stabilizing groove 232 that matches the angle of the fire hole and prevents the flame from splashing and leaving the flame when the burner is working, a fire hole 233, and an anti-spill cap 234. , assembly step 235, fire stabilization hole 236, and the outer ring fire cover 24 with ignition groove 241, fire hole 242, fire stabilization hole 243, assembly step 244, spill-proof cap 245, and fire stabilization groove 246 are assembled in the furnace in matching order. within the first 25.

In this example, the design angle of the fire stabilizing groove 246 of the outer ring fire cover 24 matches the fire hole, and in order to ensure the best flame burning value of the fire hole 242 and no shooting, the diameter of the fire hole 242 is set to 2.8mm.

The burner 25 in the embodiment has a secondary air channel 251, an outer ring air climbing channel 252, an inner ring air and gas mixing channel 253, a 360° epoxy supplementary channel 254, a suspension limit ring 255, and an air guide ring 256. , its dust-proof crescent nozzle protective cover 257, and a flared ejector tube 258 that fully mixes air and gas; the flared ejector tube 258 has three and is arranged in the furnace head to form an integrated structure. In practice It can correspond to the burner with a multi-ring fire cover; when it is dynamic, the air from the outer edge of the burner head enters the climbing channel 252, while the air in the inner ring enters the climbing surface of the gas mixing channel 253. Here, in The respective climbing surfaces make the air and gas buffer mixing more fully; in order to improve the thermal efficiency of the burner, this embodiment designs an air guide ring 256, a 360° epoxy supplementary channel 254, and a suspension limit ring 255 limits the suspension range of the burner; in addition, in order to fully mix the oxygen in the air and the gas, the design of the premix box adopts the scheme of "big trap and small circle", which can make the mixed gas flow fully in the circular groove cavity; When dynamic, the first mixing occurs at the bell mouth of the ejector tube 258 to generate a surrounding mixed airflow, the second occurs in the circular groove of the secondary air channel 251 to supplement oxygen again, and the third occurs in the 360° epoxy The addition of 254 in the groove enhances the combustion-supporting effect.

The air curtain ring 27 in the embodiment has a furnace frame fixing position 271, an air supplementary space 272, a burner suspension groove 273, an air curtain hole 274, a secondary premixing groove 275, an air oxygen supplementary ring cavity 276, and a heat sink 277. The characteristic of the air supplementary hole 272 is that the air flow can directly supplement the root of the fire hole, thereby accelerating the full combustion of the flame; it can form a suspension effect between the inner and outer ring fire cover and the air oxygen supplementary ring, and the flow between them The air is insulated, so that the fire cover conducts the heat of the air oxygen supply ring cavity, thereby improving the thermal efficiency of Reuters; the feature of the air curtain hole 274 is that when the furnace head is working, the exhaust of the air curtain hole can prevent the oil fume from sinking. , to solve the problem of diffusion of smoke; the secondary premixing tank 275 can realize secondary supplementation and premixing of air, so that the burner burns more fully; the air oxygen supplementary ring cavity 276 is characterized in that when the air fills the wall, The air curtain is generated through the small holes on the cavity.

Because of the working matching relationship between the base 211 and the premixing channel 213 in the embodiment, the base has an outer ring air cavity curtain tuyere 2110 for blowing the outer edge of the base upward, a nozzle primary air premixing air inlet 2111, and a premixing box. Air intake port 2112, intake pipe interface 2113, induction needle, ignition needle foolproof fixed port 2114, secondary air supply port 2115, anti-dry burning telescopic pipe port 2116, air curtain air inlet duct 2117, fastening hole 2118, anti-dry Burning fastening hole 2119, fastening hole 2120, base fastening hole 2121, pre-mixing pipeline connection hole 2122, pre-mixing box 2123; subdivided, the pre-mixing channel 213 connected to the base 211 through the fixing bolt 212 is a An independent gas and air premixing cavity formed by the fixed connection hole 2122 of the premixing channel, the premixing box 2123, the primary air premixing air inlet port 2124 of the nozzle, the air inlet port 2125 of the premixing box, and the magnetic field fan mounting seat 2151 and opposite to the base The air outside the base is absorbed into the premix box 2123 by the connected blower 214, the magnetic field fan 215, and the fan through the air through the nozzle primary air premix air inlet 2111, so that the air in the box cavity is full , which is very beneficial to the thermal efficiency of the burner head; and the air curtain air inlet duct 2117 is to solve the problem of heating the stove panel when the burner is dynamic, so that the temperature of the panel can be quickly reduced by the annular flow of cold air.

Referring to Figures 13, 14 and 15, in practice, in order to improve the thermal efficiency of the burner assembly and avoid the loss of gas, the magnetic field fan 215 is arranged in the magnetic field fan mounting seat 2151 at the lower part of the premixing channel 213, and its working There are three states: forming the largest wind field under the respective states of ignition, operation, and closing of the burner assembly, adjusting the size of the wind field, and closing the wind field immediately.

To sum up, the present invention describes the structural features of the stove with the burner assembly in detail through the description of the embodiments in the form of an expanded view. In practice, with the stove as the working platform, the innovative designs of the valve body switch assembly, stove head, air curtain ring and air curtain groove, base and pre-mixing channel are all reflected in their respective structural characteristics. . Therefore, from the perspective of product mass production, the above technical solutions can provide a really beneficial reference and reference for creating industry standards.

Claims (5)

1. A stove with a hidden suspension burner assembly comprises a stove hearth, a burner assembly, a stove panel, a stove frame, a stove valve body switch assembly and a stove bottom shell, and is characterized in that the burner assembly comprises an anti-dry burning probe, a heat insulation sheet, an inner ring fire cover, an outer ring fire cover, a stove head, a stove frame, an air curtain ring, an air curtain groove, an induction needle, an ignition needle, a base, a fixing bolt, a pre-mixing channel, a blower and a magnetic field fan, wherein the anti-dry burning probe is sequentially assembled into a whole from the upper part relative to the stove panel to the lower part relative to the stove panel of the magnetic field fan; the stove comprises a stove panel, an air curtain ring, a stove frame, a stove head, an outer ring fire cover, an inner ring fire cover, a heat insulation sheet, an anti-dry heating probe, an air curtain ring, an air curtain groove, an induction needle, an ignition needle, a base, a fixing bolt, a premixing channel body, a blower and a magnetic field fan, wherein the stove frame, the stove head, the outer ring fire cover, the inner ring fire cover, the heat insulation sheet and the anti-dry heating probe are arranged in the middle of the air curtain ring in a centralized mode and protrude above the plane of the stove panel, the air curtain ring is connected with the air curtain groove in a buckled mode, the air curtain groove, the induction needle, the ignition needle, the base, the fixing bolt, the premixing channel body, the blower and the magnetic field fan which are arranged below the plane of the stove panel are arranged in a centralized mode and are hidden below the plane of the stove panel, the base and the premixing channel are connected through the fixing bolt, and the switch of the stove valve body switch assembly is arranged on the surface of the stove panel in a left-right independent mode.

2. The stove with the concealed suspension burner assembly as claimed in claim 1, wherein the induction pin and the ignition pin are both disposed on the air curtain groove body, the air curtain groove body is covered by the air curtain ring, and the induction pin and the ignition pin are connected to the base through the foolproof fixing port.

3. The oven with concealed floating burner assembly according to claim 1, wherein said frame and said air curtain ring form a frame ring body, and the top of the frame ring body is 2.5 cm higher than the top of the oven panel.

4. The stove with the concealed suspension burner assembly as claimed in claim 1, wherein the induction pin and the ignition pin are both disposed on the air curtain groove body, the air curtain groove body is covered by the air curtain ring, and the induction pin and the ignition pin are connected to the base through the foolproof fixing port.

5. The oven with concealed floating burner assembly of claim 1, wherein said magnetic field fan is disposed in a magnetic field fan mounting seat at the lower portion of said premixing channel, and the operation status thereof is divided into three types: and forming a wind field, the size of the wind field and the closing of the wind field in the respective states of ignition, operation and closing of the burner assembly.

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