CN209130869U - Burner and gas-cooker - Google Patents

Abstract

The utility model discloses a kind of burner and gas-cooker, and burner includes burner and burner plate, and burner has gas supply chamber；Burner plate is covered on burner, burner plate includes plate ontology and protrudes above the middle protrusion and outer protrusion of setting from plate ontology court, outer protrusion is arranged around middle protrusion, and there is gap between outer protrusion and middle protrusion, middle protrusion is equipped with interior fire output hole, outer protrusion is equipped with outer fire output hole, and the downside of middle protrusion is formed with the internal combustion space being connected to gas supply chamber, and the downside of outer protrusion is formed with the external combustion space being connected to gas supply chamber；When burner plate work, the flame setting that the outer flame that outer protrusion generates is generated around middle protrusion, to form the separation layer around flame, to prevent secondary air streams to flame.Technical solutions of the utility model can reduce the whole height of burner plate, to reduce the whole height of entire burner.

Description

Burner and gas-cooker

Technical field

The utility model relates to gas-cooker technical field, in particular to a kind of burner and gas-cooker.

Background technique

With being constantly progressive for society, the development of gas-cooker industry is also constantly improve, gas-cooker product due to its it is economical at This is cheap, highly-safe and is widely recognized as by people.Gas-cooker is usually by air supply system, combustion system, control system, point Fiery system and other component composition, wherein combustion system is primarily referred to as burner, and burner includes the components such as burner and fire cover. For traditional atmospheric gas stove, in order to guarantee the full combustion of combustion gas, the height of burner is usually higher, in turn To guarantee to there are enough auxiliary airs to supplement.Since the whole height of burner is larger, and then lead to the spatial volume of gas-cooker It is larger, and then limit the application of gas-cooker.

Utility model content

The main purpose of the utility model is to propose a kind of burner, is used for gas-cooker, it is intended to reduce the entirety of burner Highly.

To achieve the above object, the utility model proposes burner include:

Burner has gas supply chamber；And

Burner plate is covered on the burner, and the burner plate includes plate ontology and sets from the plate ontology towards protruding above The middle protrusion and outer protrusion set, the outer protrusion is around the middle protrusion setting, and the outer protrusion and described Between middle protrusion have gap, the middle protrusion be equipped with interior fire output hole, the outer protrusion be equipped with outer fire output hole, it is described in The downside of protrusion is formed with the internal combustion space being connected to the gas supply chamber, and the downside of the outer protrusion is formed with The external combustion space being connected to the gas supply chamber；

When burner plate work, the outer flame that the outer protrusion generates surrounds the endogenous fire that the middle protrusion generates Flame setting, to form the separation layer around flame, to prevent secondary air streams to flame.

Preferably, the gas supply chamber includes mutually isolated interior gas chamber and outer gas chamber, and the outer gas chamber is enclosed It is arranged around the interior gas chamber, and interval is formed with heat-insulation chamber between the outer gas chamber and the interior gas chamber；

The internal combustion space is connected to the interior gas chamber, and the outer gas chamber is connected to the external combustion space.

Preferably, on from the neighboring of the burner plate towards the direction inside it, the protrusion of the outer protrusion is high Degree is arranged in a manner of being first gradually increased, gradually decreasing again.

Preferably, the outer fire output hole is equipped with multiple, spaced radial of multiple outer fire output holes along the outer protrusion Distribution, so that multiple outer fire output holes are arranged in the position of the different height of the outer protrusion.

Preferably, the protrusion height of the middle protrusion is circumferentially gradually increased towards middle part along the four of the burner plate.

Preferably, the interior fire output hole is equipped with multiple, and multiple interior fire output holes are four circumferential in along the burner plate Portion direction arrangement, so that multiple interior fire output holes are arranged in the position of the different height of the middle protrusion.

Preferably, the protrusion height of the middle protrusion is less than or equal to 20 millimeters；And/or

The protrusion height of the outer protrusion is less than or equal to 10 millimeters.

Preferably, the hole depth value of the interior fire output hole is 3 millimeters to 5 millimeters；And/or

The hole depth value of the outer fire output hole is 3 millimeters to 5 millimeters.

Preferably, the middle protrusion includes that annular passes fiery inclined-plane and interior platform fiery out, and the annular passes fiery inclined-plane connection institute The root of plate ontology and the interior platform fiery out is stated, the interior platform fiery out offers the interior fire output hole.

Preferably, the middle protrusion is also provided with flash hole, between the middle protrusion and the outer protrusion The burner plate on offer via hole, the via hole closes on the flash hole setting.

The utility model also proposes that a kind of gas-cooker, including burner, the burner include:

Burner has gas supply chamber；And

Burner plate is covered on the burner, and the burner plate includes plate ontology and sets from the plate ontology towards protruding above The middle protrusion and outer protrusion set, the outer protrusion is around the middle protrusion setting, and the outer protrusion and described Between middle protrusion have gap, the middle protrusion be equipped with interior fire output hole, the outer protrusion be equipped with outer fire output hole, it is described in The downside of protrusion is formed with the internal combustion space being connected to the gas supply chamber, and the downside of the outer protrusion is formed with The external combustion space being connected to the gas supply chamber；

When burner plate work, the outer flame that the outer protrusion generates surrounds the endogenous fire that the middle protrusion generates Flame setting, to form the separation layer around flame, to prevent secondary air streams to flame.

Technical solutions of the utility model are opposite plate ontologies 2 towards convex by using by outer protrusion and middle protrusion It is arranged out, i.e., outer protrusion and the respective root of middle protrusion are in sustained height position, so that entire burner plate Overall structure is opposed flattened, so that the whole height of burner plate is reduced, so that the effect of pure flat burner plate；Due to burner plate Whole height is small, so that the whole height of burner is also relatively small, so as to reduce the volume of burner 7, in favor of Save space and and convenient for burner installation.In addition, burner plate has external combustion space, the combustion gas gas that gas supply is intracavitary can be made Stream carries out current stabilization by external combustion space, may make combustion gas more uniformly to pass through outer fire output hole and spray burning, reduces outer flame The probability from flame phenomenon occurs, has ensured the normal combustion of combustion gas；Similarly, burner plate has internal combustion space, can make gas supply Intracavitary fuel gas flow carries out current stabilization by internal combustion space, and combustion gas may make more uniformly to pass through interior fire output hole and spray burning, It reduces flame and probability from flame phenomenon occurs, ensured the normal combustion of combustion gas.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model burner；

Structural schematic diagram of the Fig. 2 for burner in Fig. 1 at another visual angle；

Fig. 3 is the structural schematic diagram of the burner of burner in Fig. 1；

Fig. 4 is the schematic diagram of internal structure of burner in Fig. 1；

Fig. 5 is the structural schematic diagram of the burner plate of burner in Fig. 1；

Fig. 6 is the structural schematic diagram at another visual angle of burner plate in Fig. 5.

Drawing reference numeral explanation:

Label	Title	Label	Title
				1	Burner	103	Third annular flange
2	Burner plate	211	Outer protrusion
				3	Outer ejector pipe	212	Outer fire output hole
4	Interior ejector pipe	213	External combustion space
				5	Air regulating board	216	Second defining flange
6	Primary air air inlet	221	Middle protrusion
				7	Burner	222	Interior fire output hole
100	Chassis	223	Internal combustion space
				110	Interior gas chamber	224	Flash hole
120	Outer gas chamber	225	Intermediate incline
				130	Heat-insulation chamber	226	First defining flange
160	Ignition electrode mounting hole	230	Plate ontology
				170	Inductive needle mounting hole	234	Ignition electrode via hole
101	First annular flange	235	Inductive needle via hole
				102	Second annular flange	250	Interior platform fiery out

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example, The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model Within.

The utility model proposes a kind of burners, are used for gas-cooker.

Burner is the core component in the combustion system of gas-cooker, and burner includes burner and burner plate, on burner plate Fire output hole is offered, burner has gas chamber, and combustion gas can be sprayed by fire output hole and be burnt.Gas-cooker also typically includes panel and pot Bracket, panel have through-hole, and pan bracket is mounted on the upside of panel and corresponding through-hole setting, burner are located at the lower section of panel, And the burner plate of burner can appear from through hole, so that the flame that burner generates can be heated at the center of pan bracket.

In order to reduce the height of burner, the utility model optimizes the burner plate of burner, to propose A kind of scheme of pure flat burner plate, the overall structure of burner plate is opposed flattened, so that the whole height of this burner is smaller, thus Section space-efficient effect is reached.

Below with reference to Fig. 1 to Fig. 6, the structure of this burner 7 is done to illustrate:

Burner 7 includes:

Burner 1 has gas supply chamber；And

Burner plate 2 is covered on the burner 1, and the burner plate 2 includes plate ontology 230 and from 230 court of plate ontology The middle protrusion 221 and outer protrusion 211 of setting are protruded above, the outer protrusion 211 is arranged around the middle protrusion 221, And there is gap between the outer protrusion 211 and the middle protrusion 221, the middle protrusion 221 is equipped with interior fire output hole 222, the outer protrusion 211 is equipped with outer fire output hole 212, and the downside of the middle protrusion 221 is formed with to be supplied with the combustion gas The internal combustion space 223 for answering chamber to be connected to, the downside of the outer protrusion 211 is formed with the external combustion being connected to the gas supply chamber Space 213；

When the burner plate 2 work, the outer flame that the outer protrusion 211 generates is produced around the middle protrusion 221 Raw flame setting, to form the separation layer around flame, to prevent secondary air streams to flame.

Specifically, the upper surface of burner 1 has the opening being connected with gas supply chamber, burner plate 2 is covered on burner 1 Open-mouth.Burner plate 2 has characteristic resistant to high temperature, can be by metal material resistant to high temperature (such as copper), or by high temperature resistant Nonmetallic materials made by.Burner plate 2 includes plate ontology 230, middle protrusion 221 and outer protrusion 211, wherein plate ontology 230 are arranged in opposed flattened plate, and middle protrusion 221 is formed in the middle part of plate ontology 230, and outer protrusion 211 is close to plate sheet The edge of body 230 is arranged.The shape of plate ontology 230 can be round, rectangular etc., and the shape of plate ontology 230 can foundation The shape of burner 1 and determine, be not specifically limited herein.Protrusion 221 and outer protrusion 211 are relative to plate ontology among the above Court protrudes above for 230, and then in the downside of plate ontology 230, middle protrusion 221 is recessed forms internal combustion space upward 223, outer protrusion 211 is recessed forms external combustion space 213 upward；Burner plate 2 is covered on burner 1, the internal combustion space 223, outer Combustion space 213 is connected to gas supply chamber, i.e., combustion gas can be delivered to internal combustion space 223 by gas supply chamber and external combustion is empty Between 213.Interior fire output hole 222 is offered on middle protrusion 221, interior fire output hole 222 is connected to internal combustion space 223, works in burner 7 When, combustion gas is sprayed from interior fire hole and is burnt, to form flame；Outer protrusion 211 offers outer fire output hole 212, outer fire output hole 212 connection external combustion spaces 213, when burner 7 works, combustion gas is sprayed from outer fire hole and is burnt, to form outer flame.

Since outer protrusion 211 is arranged around middle protrusion 221, when burner 7 burns work, it is formed by outer Flame can around flame be arranged, flame surrounding formed one layer can air-isolation separation layer, thus pass through outer flame It prevents flowing of the ambient air to flame, and then achievees the effect that the auxiliary air supplement for preventing flame.

Burner plate 2 has external combustion space 213, and the fuel gas flow that gas supply can be made intracavitary is carried out by external combustion space 213 Current stabilization may make combustion gas more uniformly to pass through outer fire output hole 212 and spray burning, reduce outer flame occur it is several from flame phenomenon Rate has ensured the normal combustion of combustion gas；Similarly, burner plate 2 has internal combustion space 223, can make the combustion gas gas that gas supply is intracavitary Stream carries out current stabilization by internal combustion space 223, may make combustion gas more uniformly to pass through interior fire output hole 222 and spray burning, reduces Probability from flame phenomenon occurs for flame, has ensured the normal combustion of combustion gas.

Outer fire output hole 212 is formed on outer protrusion 211, and outer protrusion 211 is convexly equipped in the upper surface of plate ontology 230, And then outer fire output hole 212 is entirely located in the upper surface (namely going out fiery side) of plate ontology 230.And for the peripheral wall of plate ontology 230 For face, due to itself and not set outgoing fire hole 212, and then the thickness of plate ontology 230 can be reduced, so that the entirety of burner plate 2 Height reduces.The height of burner plate 2 mainly rises certainly in the protrusion height of outer protrusion 211.In the present embodiment, the outer protrusion 211 protrusion height is less than or equal to millimeter, and then to guarantee that the whole height of burner plate 2 is not too high.

Likewise, interior fire output hole 222 is formed on middle protrusion 221, and middle protrusion 221 is convexly equipped in plate ontology 230 Upper surface, and then interior fire output hole 222 is entirely located in the upper surface (namely going out fiery side) of plate ontology 230.The height of plate ontology 230 It is main to rise certainly in the protrusion height of middle protrusion 221.In the present embodiment, 221 protrusion height of protrusion is less than or equal in this 20 millimeters, and then to guarantee that the whole height of burner plate 2 is not too high.

In some preferred embodiments, height of protrusion 221 and outer protrusion 211 is inconsistent in this, so that It obtains outer fire output hole 212 and interior fire output hole 222 is formed in the position of different height, and then be conducive to increase the contact surface of combustion gas and air Product makes combustion gas and air is more fully mixed, fuel gas buring is more abundant, so that interior fire output hole 222 and the formation of outer fire output hole 212 Highly different ladders goes out fiery effect.Combustion gas at outer fire output hole 212 can carry out contact with the air of surrounding and mix；And interior fire out Combustion gas at hole 222 is due to the encirclement by outer flame, its limitation for mixing with air of the flame of formation.Therefore, it is It is better achieved that the mixing of combustion gas and air at interior fire output hole 222, protrusion height of protrusion 221 is greater than outer protuberance in this The protrusion height in portion 211 so that the height of interior fire output hole 222 can be greater than outer fire output hole 212 height, and then convenient for air with it is interior Contacts fuel gas mixing at fire output hole 222, in favor of the full combustion of flame.

It is understood that for burner plate 2 in this present embodiment, since 230 upper side of plate ontology is with outer grand Portion 211 is played, moulding is unique unique, can also give aesthetic feeling；Similarly, 230 upper side of plate ontology has middle protrusion 221, Moulding is also unique unique, can give beauty, so that entire burner plate 2 is more beautiful, beautiful.

It is emphasized that plate ontology 230 is opposed flattened for above-mentioned burner plate 2, outer protrusion 211 is grand in Playing portion 221 is opposite plate ontology 230 towards protruding above, i.e., outer protrusion 211 and the respective root of middle protrusion 221 are same One height and position, so that the overall structure of entire burner plate 2 is opposed flattened, so that the whole height of burner plate 2 is reduced, So that the effect of pure flat burner plate 2.Since the whole height of burner plate 2 is small, so that the whole height of burner 7 also phase To smaller, so as to reduce the volume of burner 7, in favor of save space and and convenient for burner 7 installation.

Further, for said burner 7, internal combustion space 223 and external combustion space 213 can be mutually indepedent , be also possible to by gas supply chamber be interconnected.When internal combustion space 223 and external combustion space 213 are arranged independently of each other When, at this point, the gas chamber of burner 1 also accordingly includes mutually independent interior gas chamber 110 and outer gas chamber 120, outer gas chamber 120 are arranged around interior gas chamber 110, and interval is formed with heat-insulation chamber 130 between outer gas chamber 120 and interior gas chamber 110；Internal combustion Space 223 is connected to interior gas chamber 110, and outer gas chamber 120 is connected to external combustion space 213.When internal combustion space 223 and external combustion space 213 by gas supply chamber be interconnected when, at this time gas supply chamber simultaneously be connected with internal combustion space 223 and external combustion space 213 Logical, i.e. the intracavitary combustion gas of gas supply is divided into two strands, one flows to internal combustion space 223, and another group flows to external combustion space 213.? In the present embodiment, the scheme that this burner 7 is preferably arranged using internal combustion space 223 and external combustion space 213 independently of each other, Interior gas chamber 110, outer gas chamber 120 and heat-insulation chamber 130 are correspondingly arranged on burner 1, due to interior gas chamber 110, outer gas chamber There are heat-insulation chambers 130 between 120, also can guarantee the isolation better effect between interior gas chamber 110 and outer gas chamber 120, keep away The risk that respective combustion gas mutually leaks in interior gas chamber 110 and outer gas chamber 120 is exempted from.

In the present embodiment, in the neighboring of spontaneous combustion plate 2 towards on the direction inside it, the protrusion of outer protrusion 211 Height is arranged in a manner of being first gradually increased, gradually decreasing again.Wherein, the concrete shape of outer protrusion 211 can there are many real Existing form, such as projected outline of the outer protrusion 211 in the section along the thickness direction for being parallel to burner plate 2 can be in V Shape, the setting of parabola shaped, arc-shaped or other similar shape.

Multiple outer fire output holes 212 are provided on above-mentioned outer protrusion 211, multiple outer fire output holes 212 are along outer protrusion 211 Spaced radial distribution, so that multiple outer fire output holes 212 are arranged in the position of the different height of outer protrusion 211.In this way, make Obtaining the combustion gas at the outer fire output hole 212 of every different height position can contact mixing with air realization, and then in outer protrusion The different ladder of height is formed on 211 goes out fiery effect.

In order to enable the outer flame combustion formed on above-mentioned outer protrusion 211 is more uniform, it is located at same outer protrusion 211 Protrusion height on outer fire output hole 212 be provided with multiple, and multiple outer fire output holes 212 are along the circumferentially-spaced of outer protrusion 211 Arrangement.It is preferred that outer fire output hole 212 is uniformly distributed along the circumferential direction of outer protrusion 211, and then guarantee outer protrusion The combustion even of each position on 211.

In some preferred embodiments, there are the 4 outer fire output holes 212 of circle referring to Fig. 4, on the outer protrusion 211, it is outgoing Fire hole 212 is arranged in circular hole, and the fire hole diameter of each outer fire output hole 212 is 1.3 millimeters, the outer fire output hole 212 of two adjacent rings Between spacing be 2 millimeters.In this way, which the arrangement mode that outer fire output hole 212 is small and dense, ensure that the outer of outer protrusion 211 There is fire output hole 212 sufficient fire hole area to be also further reduced outer fire so that the burning at outer fire output hole 212 is more stable Defect from flame phenomenon occurs for flame.

Further, the protrusion height of protrusion 221 is circumferentially gradually increased towards middle part along the four of plate ontology 230 among the above. Upper surface of protrusion 221 can be arranged in convex-shaped in this, such as spherical crown surface or the conical surface etc..

Multiple interior fire output holes 222 are provided on protrusion 221 among the above, multiple interior fire output holes 222 are along middle protrusion 221 Four is circumferential towards the arrangement of middle part direction, so that multiple interior fire output holes 222 are arranged in the position of the different height of middle protrusion 221.Such as This one so that combustion gas at the interior fire output hole 222 of every different height position can be realized with air contact mixing, Jin Er The different ladder of height is formed on middle protrusion 221 goes out fiery effect.

In order to enable the flame burning that protrusion 221 is formed among the above is more uniform, positioned at same middle protrusion 221 Interior fire output hole 222 on protrusion height is provided with multiple, and multiple interior fire output holes 222 are along the circumferentially-spaced row of middle protrusion 221 Cloth.It is preferred that interior fire output hole 222 is uniformly distributed along the circumferential direction of middle protrusion 221, and then guarantee each on inner fire cover The combustion even of a position.

In some preferred embodiments, have on protrusion 221 referring to Fig. 4, in this 5 enclose in fire output hole 222, it is interior go out Fire hole 222 is arranged in circular hole, and the fire hole diameter of each interior fire output hole 222 is 1.3 millimeters, the interior fire output hole 222 of two adjacent rings Between spacing be 2 millimeters.In this way, which the arrangement mode that interior fire output hole 222 is small and dense, ensure that the interior of middle protrusion 221 There is fire output hole 222 sufficient fire hole area to be also further reduced endogenous fire so that the burning at interior fire output hole 222 is more stable Defect from flame phenomenon occurs for flame.

Further, in order to guarantee that the combustion gas energy normal combustion at outer protrusion 211, the hole depth value of outer fire output hole 212 be 3 millimeters to 5 millimeters, to avoid tempering phenomenon occurs in outer 212 combustion process of fire output hole, wherein the hole depth of the outer fire output hole 212 Preferably 3 millimeters of value, and then to take into account the thickness of outer protrusion 211 and guarantee the normal combustion of combustion gas at outer protrusion 211.Together Reason, for the combustion gas energy normal combustion at protrusion 221 in guaranteeing, the hole depth value of interior fire output hole 222 is 3 millimeters to 5 millimeters, To avoid tempering phenomenon occurs in interior 222 combustion process of fire output hole, wherein the hole depth value of the interior fire output hole 222 is preferably 3 millis Rice, and then to take into account the normal combustion of combustion gas at protrusion 221 in the thickness of middle protrusion 221 and guarantee.

In the present embodiment, between middle protrusion 221 and outer protrusion 211 have gap, and then formed outer flame and There is gap between flame, to ensure that the full combustion of flame and outer flame, the two is avoided to interfere with each other.It can manage Solution, the plate ontology 230 between middle protrusion 221 and outer protrusion 211 can accept the soup fallen above burner 7 The foreign matters such as juice, in order to which user cleans burner plate 2.

Further, protrusion 221 is also provided with flash hole 224 among the above, is located at middle protrusion 221 and outer protrusion Via hole is offered on plate ontology 230 between 211, via hole closes on the setting of flash hole 224.The quantity of the via hole can be one or more A, which can be used for installing ignition electrode and/or inductive needle.In some exemplary embodiment, the quantity of the via hole is two, And respectively ignition electrode via hole 234 and inductive needle via hole 235.

It is understood that flash hole 224 has multiple effects: first, by the way that flash hole 224 is arranged, so that combustion gas can be more Add close to ignition electrode, in order to which the spark that ignition electrode generates rapidly ignites the combustion gas at middle protrusion 221, realizes gas-cooker Rapid-ignition operation；Second, since flash hole 224 is arranged close to plate ontology 230, flash hole 224 is located at interior fire output hole 222 Between outer fire output hole 212, and then flame can be transferred at outer fire output hole 212 by flash hole 224, and then realize interior fire output hole The effect of flame is transmitted between 222 and outer fire output hole 212；Third, flash hole 224 are arranged close to inductive needle via hole 235, so that The distance between inductive needle and flame are closer, and then the thermometric accuracy of inductive needle can be improved, in favor of the temperature control of gas-cooker It makes (such as anti-dry system).

Wherein, for being used to pass through plate ontology 230, the point for ignition electrode when above-mentioned via hole is ignition electrode via hole 234 Electronic ignition (piezoelectric ceramics spark ignition) can be used in fiery needle or the mode of pulse continuous ignition is realized.Above-mentioned via hole is induction When needle via hole 235, it is used to pass through plate ontology 230 for inductive needle, which can use thermoelectricity occasionally temperature-sensitive element conduct Temperature sensing part, and then realize the detection to fuel gas temperature.

Further, in order to make the better effect of above-mentioned flash hole 224, root of protrusion 221 was preferably provided in this Inclined-plane 225 is crossed, intermediate incline 225 extends from the top of middle protrusion 221 to 230 direction of plate ontology.Flash hole 224 was opened in It crosses on inclined-plane 225.Since intermediate incline 225 is arranged, Some gases can be flowed along intermediate incline 225, and then more conducively combustion gas It is ignited pin mark combustion, realizes that the flame between outer flame and flame transmits and shortens between gas flame and inductive needle Spacing.It should be noted that the intermediate incline 225 can be tapered plane or curved surface etc., it is not especially limited herein.Further Ground, the hole depth direction of above-mentioned flash hole 224 is vertical with the intermediate incline 225, in this way, the combustion gas direction of flash hole 224 211 direction of protrusion tilts outwardly, and then more conducively combustion gas is ignited pin mark combustion, realizes the flame between flame and outer flame Spacing between transmitting and shortening gas flame and inductive needle, so that the biography fire better effect of flash hole 224.

Referring to Fig. 4 and Fig. 5, for protrusion 221 among the above, middle protrusion 221 includes that annular passes fiery inclined-plane and interior Fiery platform 250 out, annular pass fiery inclined-plane connecting plate ontology 230 and it is interior go out fiery platform 250 root, it is interior go out fiery platform 250 offer in go out Fire hole 222.Wherein, for interior platform 250 fiery out, the hole depth direction of interior fire output hole 222 can be arranged along its protrusion direction, And then so that flame Relatively centralized, to improve the heating temperature of flame.This it is interior go out fiery platform 250 protrusion height along its four It is circumferential to be gradually increased towards middle part.The upper surface of the interior platform 250 fiery out can be arranged in convex-shaped, such as spherical crown surface or the conical surface etc..It is logical It crosses setting annular and passes fiery inclined-plane, it can be convenient for flame be guided at outer protrusion 211, to realize the biography of the outside flame of flame Fiery effect.Wherein, which, which passes fiery inclined-plane, can be used same structure with above-mentioned intermediate incline 225 to realize.

It is worth noting that annular passes on fiery inclined-plane and be not provided with interior fire output hole 222, main purpose is gone out in increasing Spacing between fiery platform 250 and burner 1, and then can adequately be flow slowly in internal combustion space 223 conducive to combustion gas, so that The fuel gas flow of interior fire output hole 222 is more uniform, to realize that stablizing for flame is burnt.

In order to which the summary of the invention of the utility model is more clearly understood, referring to Fig. 1 to Fig. 6, to this burner 7 1 structure of burner is done to illustrate:

In order to reduce the whole height of burner 7, other than reducing the height of fire cover component, the height of burner 1 can be also reduced Degree, for this burner 7, using the combustion system of fully premixed combustion, so that not needing additionally to be arranged on burner 1 Other auxiliary air supplementing structures, and then the structural requirement of internal gas chamber 110 and outer gas chamber 120 can be reduced, so that burner 1 structure is relatively easy, in favor of reducing the whole height of burner 1.Wherein: this burner 7 further includes interior ejector pipe 4 and draws outside Pipe 3 is penetrated, interior ejector pipe 4 is connected to the interior gas chamber 110 of burner 1, and outer ejector pipe 3 is connected to the outer gas chamber 120 of burner 1, interior The inlet of ejector pipe 4 and outer ejector pipe 3 is respectively arranged with air regulating board 5 and primary air air inlet 6, the nozzle point of burner 7 It is not arranged towards the entrance of interior ejector pipe 4 and outer ejector pipe 3, high-speed fuel gas is sprayed by nozzle, and then by air from interior injection 6 injection of primary air air inlet of pipe 4 to interior ejector pipe 4, and then realize in interior ejector pipe 4 and interior gas chamber 110 air with The mixing of combustion gas；Spray high-speed fuel gas by nozzle, so by air from 6 injection of primary air air inlet of outer ejector pipe 3 to Outer ejector pipe 33, so in outer ejector pipe 33 and outer gas chamber 120 realize air and combustion gas mixing.

Above-mentioned outer ejector pipe 3 and interior ejector pipe 4 can be arranged with burner 1 in split settings or three in one.In this reality It applies in example, outer ejector pipe 3, interior ejector pipe 4 and burner 1 are integrated setting, such as three can be linked to be in the form of casting It is wholely set.

Due to using the combustion system of fully premixed combustion, air can only be carried out by primary air air inlet and combustion gas It is pre-mixed, in order to guarantee that it is more uniform that the combustion gas in outer gas chamber 120 mixes with air, the diameter value of above-mentioned outer ejector pipe 3 It is 13 millimeters to 17 millimeters, to realize that the combustion gas in outer gas chamber 120 can burn more sufficiently, and then reduces the generation of combustion gas. Similarly, in order to ensure the combustion gas in interior gas chamber 110 mixes with air more uniform, the diameter value of above-mentioned interior ejector pipe 4 is 8 millis Rice to realize that the combustion gas in interior gas chamber 110 can burn more sufficiently, and then reduces the generation of combustion gas to 12 millimeters.

With continued reference to Fig. 2 to Fig. 4, above-mentioned burner 1 includes chassis 100 and extends upward from chassis 100 first annular convex Edge 101, second ring flange and third annular flange 103, first annular flange 101, the second annular flange 102 and third convex annular For edge 103 radially outward in being successively intervally arranged, first annular flange 101 constitutes interior gas chamber 110 open upward, the first ring Heat-insulation chamber 130, the second annular flange 102 and third annular flange 103 are constituted between shape flange 101 and the second annular flange 102 Between constitute the upward open outer gas chamber 120；The middle protrusion 221 of burner plate 2 is covered on the spacious of interior gas chamber 110 Mouthful, the outer fiery protrusion of burner plate 2 is covered on the opening of outer gas chamber 120.Have between middle protrusion 221 and outer protrusion 211 There is certain interval, also there is certain interval, and then form heat-insulation chamber 130 between interior gas chamber 110 and outer gas chamber 120, By forming heat-insulation chamber 130, it is ensured that there is good isolation effect, simultaneously between interior gas chamber 110 and outer gas chamber 120 Flame and outer flame in combustion process is avoided excessively to concentrate, so that the flame distribution of burner 7 is more evenly.

Further, the downside of middle protrusion 221 is sealed against with first annular flange 101, and then to avoid interior combustion gas Combustion gas in chamber 110 leaks；The downside of outer protrusion 211 respectively with the second annular flange 102 and third annular flange 103 It seals against, and then is leaked to avoid the combustion gas in outer gas chamber 120.

For the ease of the installation of burner plate 2, downside of protrusion 221 is formed with the first defining flange 226 in this, this One defining flange 226 is along the circumferentially extending of middle protrusion 221, and the first defining flange 226 is located in first annular flange 101, The outer peripheral surface of first defining flange 226 is abutted with the inner peripheral surface of first annular flange 101, to prevent burner plate 2 from sending out with respect to burner 1 Raw radial deflection；The neighboring of the downside of the outer protrusion 211 is formed with the second defining flange 216, second defining flange 216 along outer protrusion 211 circumferentially extending, and third annular flange 103 is located in the second defining flange 216, the second limit convex The inner peripheral surface of edge 216 is abutted with the inner peripheral surface of third annular flange 103, to prevent burner plate 2 from radial direction occurs partially with respect to burner 1 It moves.

In addition, the position that the ignition electrode via hole 234 on burner plate 2 is corresponded on burner 1 offers ignition electrode mounting hole 160, And then convenient for ignition electrode to be mounted on burner 1, ignition electrode via hole 234 is run through in the upper end of the ignition electrode, and then in order to ignite Ignition operation is realized in combustion gas；The position of inductive needle via hole 235 on the corresponding fire cover component of burner 1 offers inductive needle mounting hole 170, and then convenient for inductive needle to be mounted on burner 1, ignition electrode via hole 234 is run through in the upper end of the inductive needle, and then in order to Ignition temperature is detected.

The utility model also proposes a kind of gas-cooker, which includes burner, the specific structure reference of the burner Above-described embodiment at least has above-mentioned reality since this gas-cooker uses whole technical solutions of above-mentioned all embodiments All beneficial effects brought by the technical solution of example are applied, this is no longer going to repeat them.Wherein, the combustion gas type of the gas-cooker can To be oil liquefied gas or natural gas, it is not especially limited herein.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (11)

1. a kind of burner, it to be used for gas-cooker, which is characterized in that the burner includes:

Burner has gas supply chamber；And

Burner plate is covered on the burner, and the burner plate includes plate ontology and protrudes above setting from the plate ontology court Middle protrusion and outer protrusion, the outer protrusion around the middle protrusion setting, and the outer protrusion and it is described in it is grand There is gap, the middle protrusion is equipped with interior fire output hole, and the outer protrusion is equipped with outer fire output hole, the middle protuberance between the portion of rising The downside in portion is formed with the internal combustion space being connected to the gas supply chamber, and the downside of the outer protrusion is formed with and institute State the external combustion space of gas supply chamber connection；

When burner plate work, the outer flame that the outer protrusion generates is set around the flame that the middle protrusion generates It sets, to form the separation layer around flame, to prevent secondary air streams to flame.

2. burner as described in claim 1, which is characterized in that the gas supply chamber includes mutually isolated interior gas chamber With outer gas chamber, the outer gas chamber is arranged around the interior gas chamber, and between the outer gas chamber and the interior gas chamber Interval is formed with heat-insulation chamber；

The internal combustion space is connected to the interior gas chamber, and the outer gas chamber is connected to the external combustion space.

3. burner as described in claim 1, which is characterized in that in the neighboring from the burner plate towards the side inside it Upwards, the protrusion height of the outer protrusion is arranged in a manner of being first gradually increased, gradually decreasing again.

4. burner as claimed in claim 3, which is characterized in that the outer fire output hole is equipped with multiple, multiple outgoing fire Hole is distributed along the spaced radial of the outer protrusion, so that the difference that multiple outer fire output holes are arranged in the outer protrusion is high The position of degree.

5. burner as described in claim 1, which is characterized in that the protrusion height of the middle protrusion is along the burner plate Four circumferentially gradually increase towards middle part.

6. burner as claimed in claim 5, which is characterized in that the interior fire output hole is equipped with multiple, multiple interior fire out Hole is circumferentially arranged towards middle part direction along the four of the burner plate, so that multiple interior fire output holes are arranged in the middle protrusion The position of different height.

7. burner as described in claim 1, which is characterized in that the protrusion height of the middle protrusion is less than or equal to 20 millis Rice；And/or

The protrusion height of the outer protrusion is less than or equal to 10 millimeters.

8. burner as described in claim 1, which is characterized in that the hole depth value of the interior fire output hole is 3 millimeters to 5 millimeters； And/or

The hole depth value of the outer fire output hole is 3 millimeters to 5 millimeters.

9. burner as described in claim 1, which is characterized in that the middle protrusion includes that annular passes fiery inclined-plane and interior fire out Platform, the annular pass fiery inclined-plane connect the plate ontology and it is described it is interior go out fiery platform root, it is described in go out fiery platform offer it is described Interior fire output hole.

10. burner as in one of claimed in any of claims 1 to 9, which is characterized in that the middle protrusion is also provided with biography Fire hole offers via hole on the burner plate between the middle protrusion and the outer protrusion, and the via hole closes on The flash hole setting.

11. a kind of gas-cooker, which is characterized in that including the burner as described in any one of claims 1 to 10.