CN210035590U - Burner and gas stove using same - Google Patents

Abstract

The utility model provides a combustor, includes combustor seat, burning dish and fire lid, the burning dish is provided with gas channel, gas channel includes the passageway of extending, the longitudinal section area from interior to exterior of passageway of extending reduces gradually. According to the utility model provides a pair of gas-cooker of combustor and use this combustor compares with prior art and has following advantage: the fuel gas is sprayed rapidly, the firepower is strong and uniform, the power is high, the fuel gas is combusted fully, the combustion efficiency is high, and the harmful gas of carbon monoxide is effectively avoided.

Description

Burner and gas stove using same

Technical Field

The utility model relates to a combustor and use gas-cooker of this combustor.

Background

The gas stove plays an important role in daily life as a general kitchen cooking appliance, and the burner of the main structure of the gas stove has no influence on the firepower, the combustion efficiency, the energy consumption index and the like of the burner due to the structure, the layout and the like of the components. Therefore, manufacturers also put a lot of research and development efforts to improve various performances and indexes of the combustor.

For example, the chinese utility model with the authorization notice number CN205425030U and the title of a novel embedded gas stove discloses a gas stove including: the furnace base is provided with an inner cavity, the bottom of the inner cavity is provided with a plurality of air inlets connected with air supply channels, the air inlets comprise a first air inlet positioned at the center of the bottom of the inner cavity and a plurality of second air inlets uniformly arranged around the first air inlet, the top of the furnace base is provided with a first air outlet channel right opposite to the first air inlet and a plurality of second air outlet channels right opposite to the second air inlets, and a ventilation channel leading to the center is formed between every two second air outlet channels on the upper surface of the furnace base; and the combustion disc is arranged on the furnace base and provided with a plurality of concentric annular grooves, the bottom surface of the combustion disc is provided with an embedded position corresponding to the second air outlet channel, and the embedded position is internally provided with an air outlet communicated with the inside of each annular groove. The utility model discloses a technical scheme who provides has following not enough: the ventilation channel needs to be designed separately to ensure air supply, and the structure is complex; the second air outlet channel does not have a pressurization function, so that the lack of firepower is easily caused, and the heating of the pot bottom is not uniform.

For another example, the utility model discloses a china that the bulletin number of authorizing is CN207648793U, the split type combustor of the title gas-cooker, including the furnace end, install the distributor on the furnace end, and assemble with the outer loop fire lid on the distributor, the distributor includes the base, and install the upper cover on the base, both form with outer loop fire lid complex outer loop diffusion mouth, and the radial transfer passage who sets up, the base center is equipped with the outer loop air inlet that is linked together with the furnace end, pipeline intercommunication outer loop air inlet and outer loop diffusion mouth, the last seal structure that is equipped with of transfer passage, seal structure is including setting up the first sealed protruding and the first sealed recess of setting on another on one of them of upper cover and base. The utility model provides a technical scheme has as follows not as: one end of the radial sinking groove and the radial arch which are communicated with the outer ring diffusion opening is in a flaring shape, so that the buffer effect is achieved, but the gas cannot be pressurized, the gas is sprayed out to be in a fatigue state, and the firepower is insufficient.

For another example, the application publication No. CN106152133A, entitled chinese invention application for a burner for a gas cooker, discloses that a combustion plate includes an inner fire cover seat and an outer fire cover seat, the inner fire cover seat and the outer fire cover seat are connected by 3-5 gas connecting channels uniformly arranged in an annular manner at intervals, a secondary air compensation hole is formed between every two adjacent gas connecting channels, and a hole matched with a central fire gas outlet pipe is provided in the middle of the inner fire cover seat. The technical scheme disclosed by the invention application is inferior to the following technical scheme that: the gas connecting channel does not have a supercharging function, so that the lack of firepower is easily caused, and the heating of the pot bottom is not uniform.

SUMMERY OF THE UTILITY MODEL

For overcoming the deficiency of the prior art, the utility model provides a gas blowout is fast, the firepower is powerful even, power is big (the load reaches more than 5.2 KW), the gas combustion is abundant, combustion efficiency is high (can reach the one-level efficiency), effectively avoid producing the combustor of carbon monoxide harmful gas to and use the gas-cooker of this kind of combustor.

The utility model discloses mainly adopt following technical scheme:

the utility model provides a combustor, includes combustor seat, burning dish and fire lid, the burning dish is provided with gas channel, gas channel includes the passageway of extending, the longitudinal section area from interior to exterior of passageway of extending reduces gradually.

Wherein the longitudinal section of the extension channel is at least one of annular, polygonal or rounded polygonal.

The burning plate comprises a burning upper plate and a burning lower plate, and the burning upper plate is tightly connected with the burning lower plate.

The upper combustion disc is provided with an upper groove, the lower combustion disc is provided with a lower groove, and the upper groove and the lower groove are tightly jointed to form the extension channel.

Wherein, the fire lid includes outer fire lid, outer fire lid sets up on the burning dish, outer passageway to outer fire lid supplies the gas.

Wherein, be provided with out the fire hole on the outer fire lid, the inclination of going out the fire hole is 30 ~ 70.

Wherein, outer fire lid is provided with outer boss and interior concave station, outer boss with the drop of interior concave station is 1 millimeter to 10 millimeters, go out the fire hole and include the last fire hole of discharging, it sets up to go up the fire hole miscarriage outer boss with on the lateral wall of interior concave station.

The fire cover further comprises a central fire cover, the central fire cover is arranged on the combustion disc, the combustion disc further comprises a central channel, and the central channel supplies fuel gas to the central fire cover.

Wherein, the central fire cover is fixedly connected on the burning plate.

The burner also comprises a space ring, wherein the space ring is arranged between the burner seat and the combustion disc.

A gas stove uses the burner.

According to the utility model provides a technical scheme has following beneficial effect: the area of the longitudinal section of the epitaxial channel on the combustion disc is gradually reduced from inside to outside, so that the gas is boosted, the gas pressure is increased from small to small, the gas is supplied uniformly, the firepower is stable, the change range value from 180 square millimeters to 130 square millimeters can effectively improve the combustion power of the combustor, the combustion power of the existing combustor is improved from below 4.6KW to above 5.2KW, and the primary energy efficiency standard that the energy efficiency is more than 63% is achieved; the longitudinal section of the extension channel is at least one of annular, polygonal or rounded polygon, so that the mold opening is facilitated; the outer fire cover is provided with fire outlets, the inclination angle of the fire outlets is 30-70 degrees, flame gathering is facilitated, and firepower is concentrated; the outer fire cover is provided with an outer boss and an inner concave table, the fall between the outer boss and the inner concave table is 1-10 mm, the fire outlet comprises an upper fire outlet, and the upper fire outlet is arranged on the outer side walls of the outer boss and the inner concave table in a staggered manner, so that the air and fuel gas can be supplied fully, the combustion efficiency is higher, and harmful gases such as carbon monoxide and the like can be prevented from being generated; the space ring is arranged between the burner seat and the burning disc, plays a role in sealing and prevents gas leakage.

Drawings

Fig. 1 is a schematic view of a burner structure.

Fig. 2 is an exploded view of the burner.

Fig. 3 is a schematic structural view of the outer fire cover.

1 burner seat, 2 burning disks, 21 burning upper disks, 22 burning lower disks, 201 extending channels, 3 fire covers, 30 fire outlets, 31 outer fire covers, 311 outer bosses, 312 inner concave platforms, 32 center fire covers, 4 thermocouples, 40 fire stabilizing holes, 5 ignition needles, 50 ignition holes and 6 spacing rings.

Detailed Description

The invention will be further elucidated with reference to the accompanying drawings:

referring to fig. 1 and 2, the burner comprises a burner base 1, a burning disc 2 and a fire cover 3, wherein the burning disc 2 is provided with a gas channel, the gas channel comprises an extension channel 201, and the longitudinal section area of the extension channel 201 is gradually reduced from inside to outside. Preferably, the number of epitaxial channels 201 is at least one, and more preferably, the number of epitaxial channels 201 is four. Generally, a gas supply pipeline supplies gas to the central position of a burner base in a centralized manner, the gas is conveyed to the position of a central fire cover and/or an outer fire cover through a combustion disc communicated with the burner base, and an extension channel on the combustion disc is arranged to be gradually reduced from inside to outside in the area of a longitudinal section, so that the pressurization of the gas is facilitated, the gas pressure is increased from small to large, the gas supply is uniform, and the fire power is stable. Preferably, the longitudinal cross-sectional area of the extension channel 201 is changed from 180 square millimeters to 130 square millimeters from inside to outside, and tests show that the change range value can effectively improve the combustion power of the combustor, so that the combustion power of the existing combustor is improved from below 4.6KW to above 5.2KW, and the first-level energy efficiency standard that the energy efficiency is more than 63% is achieved.

Referring to fig. 1, the longitudinal section of the extension channel 201 is at least one of annular, polygonal, or rounded polygonal. Preferably, the longitudinal section of the epitaxial channel 201 may be circular, elliptical, or other annular structures, or may also be triangular, rectangular, pentagonal, hexagonal, or other polygonal structures, or may even be a rounded polygonal structure.

Referring to fig. 2, the burning plate 2 includes an upper burning plate 21 and a lower burning plate 22, and the upper burning plate 21 and the lower burning plate 22 are closely connected. Preferably, the upper combustion disc 21 and the lower combustion disc 22 are tightly coupled by screws.

Referring to fig. 2, the upper combustion disc 21 is provided with an upper groove, the lower combustion disc 22 is provided with a lower groove, and the upper groove and the lower groove are tightly joined to form an extension channel 201. Preferably, the cross-section of the upper groove and/or the lower groove may be at least one of arc-shaped, dog-leg-shaped, and/or rounded dog-leg-shaped. More preferably, the cross sections of the upper groove and the lower groove are both in an open zigzag shape, and most preferably, the cross sections of the upper groove and the lower groove are combined into a hexagon, namely, the cross sections of the upper groove and the lower groove are both in a trapezoid shape. Tests show that when the length of the upper bottom of the trapezoid formed by the section of the upper groove at the outermost end of the epitaxial channel is 11.5 millimeters, the length of the lower bottom of the trapezoid formed by the section of the epitaxial channel is 15.2 millimeters and the height of the upper bottom of the trapezoid formed by the section of the lower groove is 4 millimeters, and the length of the upper bottom of the trapezoid formed by the section of the lower groove is 10.7 millimeters, the length of the lower bottom of the trapezoid formed by the section of the lower groove is 15.2 millimeters and the height of the lower bottom of the trapezoid formed by the section.

Referring to fig. 1 and 2, the fire cover 3 includes an outer fire cover 31, the outer fire cover 31 is disposed on the combustion plate 2, and the outer extension passage 201 supplies gas to the outer fire cover 31.

Referring to fig. 3, the outer fire cover 31 is provided with fire holes 30, and the inclination angles of the fire holes 30 are 30 ° to 70 °. Preferably, the fire outlet holes 30 are provided on the outer sidewall and/or the inner sidewall of the outer fire cover 31. More preferably, the fire outlet 30 is arranged on the outer side wall of the outer fire cover 31 and is inclined upwards by 30-70 degrees, most preferably, the fire outlet 30 is arranged on the outer side wall of the outer fire cover 31 and is inclined upwards by 40 degrees, and the structural design is favorable for gathering flames and concentrating fire. Preferably, the fire holes 30 include, but are not limited to, being inclined upward along a straight line, being inclined upward along a curved line, a broken line, etc., and being inclined upward even with an offset angle, curvature, etc.

Referring to fig. 3, the outer fire cover 31 is provided with an outer boss 311 and an inner concave 312, a fall between the outer boss 311 and the inner concave 312 is 1 mm to 10 mm, the fire outlet 30 includes an upper fire outlet, and the upper fire outlet is arranged on outer side walls of the outer boss 311 and the inner concave 312. Preferably, the difference between the outer convex platform 311 and the inner concave platform 312 is 2 mm, which is beneficial to fully supplying air, and the combustion of fuel gas is more sufficient, thereby preventing the generation of harmful gas. Preferably, the inner concave platforms 312 are uniformly distributed on the outer surface of the outer fire cover 31 in a fan shape. The bone-in structure of the outer fire cover enables the outer fire cover to have stronger mechanical feeling and cater to the psychological needs of consumers, and the structural design is more beneficial to supporting the pot bottoms in various shapes (without using the pot frame), so that the product adaptability is stronger. Preferably, the diameter of the upper discharge fire holes on the outer boss 311 is larger than that of the upper discharge fire holes on the inner boss 312. Preferably, the outer fire cover 31 further comprises a lower fire discharge hole, and the structural design makes the firepower larger and the combustion more sufficient. Preferably, the outer fire cover 31 is further provided with a fire stabilizing hole 40, the fire stabilizing hole 40 is formed in the inner side wall of the outer fire cover 31 close to the thermocouple 4, and the structural design can achieve the purpose of rapid fire stabilization. Preferably, the outer fire cover 31 is further provided with ignition holes 50, and the ignition holes 50 are formed in the inner side wall of the outer fire cover 31 close to the ignition needle 5, so that rapid ignition and fire transfer are facilitated.

Referring to fig. 1 and 2, the fire cover 3 further comprises a central fire cover 32, the central fire cover 32 is disposed on the combustion plate 2, and the combustion plate 2 further comprises a central passage which supplies gas to the central fire cover 32.

Referring to fig. 1, the central fire cover 32 is fixedly attached to the combustion plate 2. Preferably, the combustion plate 2 is fastened by screws and is not easy to fall off. Preferably, a boss structure is also arranged on the central fire cover 32, and the structural design is favorable for forming a ventilation channel and fully combusting fuel gas. Moreover, the product has more mechanical feeling.

Referring to fig. 2, the burner also comprises a spacer ring 6, and the spacer ring 6 is arranged between the burner base 1 and the combustion disc 2. The space ring is used for sealing and preventing gas leakage.

Another aspect of the present application relates to a gas range using the burner described above.

Although the present invention has been described with reference to the above specific embodiments, those skilled in the art will readily appreciate that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (11)

1. The utility model provides a combustor, includes combustor seat, burning dish and fire lid, its characterized in that: the burning disc is provided with a gas channel, the gas channel comprises an extension channel, and the longitudinal section area of the extension channel is gradually reduced from inside to outside.

2. The burner of claim 1, wherein: the longitudinal section of the extension channel is at least one of annular, polygonal or rounded polygonal.

3. The burner of claim 1, wherein: the burning disc comprises a burning upper disc and a burning lower disc, and the burning upper disc is tightly connected with the burning lower disc.

4. The burner of claim 3, wherein: the upper combustion disc is provided with an upper groove, the lower combustion disc is provided with a lower groove, and the upper groove and the lower groove are tightly jointed to form the extension channel.

5. The burner of claim 1, wherein: the fire cover comprises an outer fire cover, the outer fire cover is arranged on the combustion disc, and the outer channel supplies fuel gas to the outer fire cover.

6. The burner of claim 5, wherein: the outer fire cover is provided with a fire outlet, and the inclination angle of the fire outlet is 30-70 degrees.

7. The burner of claim 6, wherein: outer fire lid is provided with outer boss and interior concave station, outer boss with the drop of interior concave station is 1 millimeter to 10 millimeters, go out the fire hole and include the upper row fire hole, it sets up to go up the mistake of fire hole falls outer boss with on the lateral wall of interior concave station.

8. The burner of any of claims 1-7, wherein: the fire cover further comprises a central fire cover, the central fire cover is arranged on the combustion disc, the combustion disc further comprises a central channel, and the central channel supplies fuel gas to the central fire cover.

9. The burner of claim 8, wherein: the central fire cover is fixedly connected to the combustion plate.

10. The burner of claim 1, wherein: the burner also comprises a space ring which is arranged between the burner seat and the combustion disc.

11. A gas stove is characterized in that: use of a burner as claimed in any one of claims 1 to 10.