CN110966597A - Burner for gas stove - Google Patents
Burner for gas stove Download PDFInfo
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- CN110966597A CN110966597A CN201811154268.5A CN201811154268A CN110966597A CN 110966597 A CN110966597 A CN 110966597A CN 201811154268 A CN201811154268 A CN 201811154268A CN 110966597 A CN110966597 A CN 110966597A
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- burner
- ring wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to a burner for a gas stove, which comprises a gas mixing chamber and a fire cover connected on the gas mixing chamber, and is characterized in that: correspondingly, the lower surface of the fire cover is provided with a relatively isolated fire transfer chamber in the gas mixing chamber, the fire transfer chamber comprises an inner side opening which is arranged on the inner ring wall and faces to the center of the fire cover body, a first outer side opening which is arranged on one wall of the fire transfer chamber opposite to the outer ring wall, an air channel which is arranged on the ring-shaped top wall of the fire cover and is communicated with the fire transfer chamber, an air inlet hole which is arranged on the fire transfer chamber and is communicated with the gas mixing chamber, and a fire outlet hole which is arranged at the position of the outer ring wall corresponding to the first outer side opening of the fire transfer chamber.
Description
Technical Field
The invention relates to a household stove burner, in particular to a burner for a gas stove.
Background
The gas burner of the existing household gas stove comprises a gas mixing chamber, a fire cover, an injection pipe and the like, wherein the outer fire cover is placed on the gas mixing chamber, and a pot support is arranged on the outer side frame of the outer fire cover. In order to avoid the direct contact of flame with the pot support, which causes heat loss and damage to the pot support, the positions of the pot support and the fire cover are relatively fixed, namely the fire cover is relatively fixed on the gas mixing chamber, and the positions of the fire cover corresponding to the support legs of the pot support are not provided with fire holes, so that the contact of flame with the foot sheets of the pot support can be avoided. The existing measures are as in the Chinese utility model patent with the publication number of CN2784774Y, a stove core, and the Chinese utility model patent with the publication number of CN202132954U, a gas stove burner structure. In the fixing method, the positioning needle needs to be inserted into an appointed positioning needle hole to complete the relative fixing of the fire cover, when the positioning needle is not inserted into the appointed positioning needle hole in the transportation process or the user is not operated properly, the fire cover is misplaced and is not fully attached to a matching surface of the air mixing chamber, the flame burns the pot support legs to cause heat loss, meanwhile, the fire cover is not positioned in place and can cause risks of tempering, air leakage and the like, in order to avoid the problem of not-in-place positioning caused by the positioning needle, the applicant discloses a burner in a Chinese utility model with the patent number ZL201420072885.1 (with the publication number of CN203731412), the burner comprises an air mixing chamber and an outer fire cover arranged on the air mixing chamber, a plurality of bumps are arranged on the upper surface of the air mixing chamber, and the bumps correspond to the support legs of the pot support one by one; the inner part of the outer fire cover is provided with a groove with a downward opening and matched with the convex block to form a gas circulation channel, the convex block is abutted against a fire hole on the outer fire cover, and the convex block in the special part is abutted against the fire hole on the outer fire cover, so that the burning of burning flame to a pot support leg can be avoided, the heat loss is reduced, the burning efficiency of the burner is improved, meanwhile, the dangers of tempering, gas leakage and the like caused by the improper installation of the fire cover and the gas mixing chamber can also be avoided, but the convex block is arranged on the upper surface of the gas mixing chamber and still occupies a certain volume, the gas outlet speed of the fire hole adjacent to the convex block is larger than that of the fire hole far away from the convex block, and the burner needs to be further improved in order to balance the gas outlet speed of each fire hole; in addition, in order to avoid flame leaving or ignition success rate reduction of the existing burner, the thickness of the annular side wall of the fire cover is increased, so that the weight of the fire cover is correspondingly increased, meanwhile, the burner with the burner fire cover with the increased fire hole depth is adopted, the gas adaptability is mostly poor, the material waste and the manufacturing cost are correspondingly increased, how to avoid flame leaving or ignition success rate reduction under the condition that the thickness of the annular side wall of the fire cover is thinned is avoided, and the existing burner is further improved.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a burner for a gas stove, which can reduce the thickness of a fire cover and simultaneously is not easy to cause the ignition success rate to be reduced, aiming at the current state of the prior art.
The second technical problem to be solved by the present invention is to provide a burner for a gas stove, which can balance the gas outlet speeds of the fire holes while effectively reducing the heat loss, in view of the above-mentioned current state of the art.
The third technical problem to be solved by the present invention is to provide a burner for a gas stove, which is not easy to separate flame while effectively reducing the wall thickness of a fire cover, in view of the above-mentioned current state of the art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the burner for the gas stove comprises a gas mixing chamber and a fire cover connected to the gas mixing chamber, wherein the fire cover comprises an annular body, and the inner side edge and the outer side edge of the annular top wall of the body respectively extend downwards to form an inner annular wall and an outer annular wall; the method is characterized in that: correspondingly, the lower surface of the annular top wall of the fire cover is provided with a relatively isolated fire transfer chamber in the gas mixing chamber, and the fire transfer chamber comprises:
the inner side opening is formed in the inner ring wall and faces to the center of the fire cover body;
a first outer opening formed in a wall of the fire transfer chamber opposite the outer annular wall;
the air channel is arranged on the annular top wall of the fire cover and is communicated with the fire transfer chamber;
the air inlet is formed in at least one other wall of the fire transfer chamber and communicated with the air mixing chamber; and
and the fire outlet is formed in the position, corresponding to the first outer side opening of the fire transfer chamber, of the outer ring wall.
Further, the gas mixing chamber comprises an inner ring wall, an outer ring wall and a bottom wall, wherein the inner ring wall and the outer ring wall are arranged in an annular shape and are concentrically arranged at intervals, the bottom wall is used for connecting the inner ring wall and the outer ring wall, the inner ring wall of the fire cover is connected with the inner ring wall of the gas mixing chamber, the outer ring wall is partially covered outside the outer ring wall, correspondingly, the outer ring wall is provided with at least two gas outlet channels which are arranged at intervals along the circumferential direction and are communicated with the gas mixing chamber and the fire outlet holes, and the first outer side opening is communicated with the gas outlet channels in a fluid mode. The design of the gas mixing chamber has the following advantages: the design of an air outlet channel and a closed section which are arranged on the outer ring wall of the gas mixing chamber is that the position of the closed section corresponding to the pot support leg is abutted against a fire outlet hole of a fire cover, so that the burning of flame to the pot support leg can be avoided, the heat loss is reduced, and the combustion efficiency of the combustor is improved; the outer ring wall partially covers outside the outer ring wall of the gas mixing chamber, so that the wall thickness of the fire cover can be effectively reduced, the weight of the fire cover is correspondingly reduced, the depth of the fire outlet hole can be correspondingly reduced, and the fire outlet hole is not easily blocked by overflowing liquid.
Get into first clearance after flowing out for follow air outlet channel through gas and primary air for get after mixing gas and primary air more even and reentrant turn back in the air outlet channel, then get into out the fire hole, for the steady flame performance who further improves out the fire hole, the top of outer lane wall with first clearance has between the cyclic annular roof of fire lid.
In order to solve the problem of insufficient air caused by the fact that the fire transfer chamber is hidden in the air mixing chamber, the air channel is an air inlet which is formed along the circumferential direction of the annular top wall of the fire cover and is communicated with the first gap. Meanwhile, the air channel is simple in arrangement mode, the air channel is used as the air channel in an open mode and communicated with the first gap, so that the gas and the primary air flowing out of the air outlet channel are stored in the first gap, the gas, the primary air and the external secondary air are mixed in the first gap, the air quantity of a fire transfer chamber hidden in the gas mixing chamber is improved, and effective fire transfer of the fire transfer chamber is realized.
Further, the fire transfer chamber comprises a bottom, a first side wall, a second wall part and a third wall part, wherein the first side wall is adjacent to the fire outlet and has a spacing with the outer ring wall where the fire outlet is located, the second wall part and the third wall part are connected with the bottom and the first side wall and extend to the inner ring wall, the first outer side opening is formed in the first side wall, and the air inlet hole is formed in the bottom.
In order to realize that the fire transfer chamber has an open type fire transfer mode and a hidden type fire transfer mode, the second wall part and the third wall part extend towards the upper surface of the fire cover body to form a second side wall and a third side wall respectively, a top wall is connected between the second side wall and the third side wall, a first fire ignition groove is formed in the top wall along the radial direction, the outer side opening of the first fire ignition groove is arranged on the outer ring wall, and the inner side opening of the first fire ignition groove faces towards the center of the fire cover body. Of course, the open first ignition slot and the fire transfer chamber can independently transfer fire.
Alternatively, the open first ignition slot may intersect with a fire from the fire transfer chamber, and the air inlet may intersect with the first ignition slot.
In order to enable the secondary air and the fuel gas in the first ignition groove to be mixed more uniformly, the cross section of a cavity defined by the inner side opening of the first ignition groove is formed by intersecting at least two concentric circles or at least two ellipses similar to circles.
Preferably, the groove bottom of the first ignition groove is communicated with the gas mixing cavity through a transmission channel independent from the fire transfer chamber. This design has two benefits: the transmission channel can be used as a reinforcing rib for enhancing the overall strength of the fire transfer chamber; on the other hand, the connection between the open type fire transmission structure and the hidden type fire transmission structure can be skillfully realized.
Furthermore, the transmission channel is an axial pipeline which is provided with a peripheral wall with a circumferential closed end and penetrates through the fire transfer chamber, an opening of the axial pipeline is formed in the bottom wall of the fire transfer chamber, and an outlet of the axial pipeline is formed in the bottom of the first ignition groove.
In order to realize the quick fire transfer of the fire transfer chamber hidden in the gas mixing chamber, the bottom wall of the fire transfer chamber is provided with a second ignition groove communicated with each air inlet hole on at least one side of the transmission channel.
In order to reduce the fire transfer resistance of the second ignition groove, the fire transfer of the second ignition groove is quicker; and a second outer side opening is formed in the position, corresponding to the second ignition groove, of the first side part.
In order to realize that the fire of the second ignition groove just comes out of the outer ring wall after passing through the gas mixing chamber, the first wall surface of the outer ring wall positioned below the gas outlet channel is locally and radially inwardly contracted, a second gap is formed between the first wall surface and the inner surface of the outer ring wall, the first wall surface of the outer ring wall is provided with a gas outlet hole which is in fluid communication with the second outer side opening at a position corresponding to the second gap, and the outer ring wall is provided with a flame stabilizing hole which is communicated with the second gap. The flame stabilizing hole also serves as an ignition hole to realize a priming channel of another channel, so that the ignition success rate is effectively improved.
In order to better realize the second gap and also to stabilize the flame fire hole, the second gap is in fluid communication with the gas mixing chamber and the fire hole. Of course, the second gap can also be independently used as a buffer cavity of the flame stabilizing hole.
In order to make gas and primary air from giving vent to anger passageway flow back mixing become the gas mixture can with go out the fire hole striking, give vent to anger the passageway from inside to outside downward sloping gradually, correspondingly, main fire hole from inside to outside upward sloping gradually, the two forms the V style of calligraphy. The V-shaped tip part improves the mixing uniformity of gas and air in the mixed gas, reduces the flow rate and improves the flame stabilizing performance of the main fire hole.
In order to effectively preheat the fuel gas and the primary air after flowing out of the air outlet channel, the upper surface and/or the lower surface of the air outlet channel are/is provided with a concave-convex structure to form a convex rib which is convex downwards.
Preferably, the at least two ribs extend in the radial direction, and a space is reserved between the two ribs to form a preheating channel for preheating fuel gas.
In order to facilitate the gas to enter the gas mixing chamber, at least two through holes for the gas to enter the gas mixing chamber are formed in the bottom wall along the circumferential direction.
In order to facilitate the outer ring wall to partially cover the outer ring wall, the outer ring wall is more convex upward than the inner ring wall.
Compared with the prior art, the invention has the advantages that the fire transfer chamber is hidden in the fire cover body and is relatively isolated from the air mixing chamber, so that the air door can be opened to be large, the primary air quantity entering the air inlet and the fire transfer chamber is increased, the speed is increased, more secondary air can be sucked into the fire transfer chamber, meanwhile, the bottom of the fire transfer groove is hidden in the fire cover body, the overflowed liquid can be effectively prevented from entering the fire transfer chamber, the flame combustion in the fire transfer chamber is ensured, the blockage of soup can be effectively prevented, the applicability to the opening degree of the air door is enhanced, and the fire transfer performance can be ensured under the condition of larger opening degree of the air door.
Drawings
FIG. 1 is a schematic view of a burner head of a burner according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of a gas mixing chamber according to an embodiment of the present invention;
FIG. 4 is a schematic view of an angle of the fire cover according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of another angle of the fire cover in the embodiment of the present invention;
FIG. 7 is a cross-sectional view of a fire lid in accordance with an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1 to 7, the preferred embodiment of the present invention is shown. The burner for the gas stove in the embodiment comprises a gas mixing chamber 1 and a fire cover 2 connected to the gas mixing chamber 1, wherein the fire cover 2 comprises an annular body 21, and the inner edge and the outer edge of an annular top wall 213 of the fire cover body 21 respectively extend downwards to form an inner annular wall 211 and an outer annular wall 212; correspondingly, the lower surface of the annular top wall 213 of the fire lid 2 has a relatively isolated fire transfer chamber 3 in the air mixing chamber 1, and the fire transfer chamber 3 includes an inner opening 31 opened on the inner annular wall 211 and facing the center of the fire lid body 21, a first outer opening 32 opened on one wall of the fire transfer chamber 3 opposite to the outer annular wall 212, an air passage opened on the annular top wall 213 of the fire lid 2 and communicating with the fire transfer chamber 3, an air inlet hole 33 opened on at least one other wall of the fire transfer chamber 3 and communicating with the air mixing chamber 1, and an air outlet hole 2121 opened on the outer annular wall 212 at a position corresponding to the first outer opening 32 of the fire transfer chamber 3, the present invention hides the fire transfer chamber 3 in the fire lid body 21 and relatively isolated from the air mixing chamber 1, so that the damper can be opened large, so that the amount of primary air entering the air inlet hole 33 and the fire transfer chamber 3 is increased and the velocity is increased, thereby more entrainment of secondary air into the fire transfer chamber 3, meanwhile, the bottom 37 of the fire transfer groove is hidden in the fire cover body 21, so that overflowing liquid can be effectively prevented from entering the fire transfer chamber 3. The gas mixing chamber 1 comprises an inner ring wall 11, an outer ring wall 12 and a bottom wall 13 connecting the inner ring wall 11 and the outer ring wall 12, which are arranged in a ring shape and concentrically at intervals, the inner ring wall 211 of the fire cover 2 is engaged with the inner ring wall 11 of the gas mixing chamber 1, the outer ring wall 212 partially covers the outer ring wall 12, correspondingly, the outer ring wall 12 has a plurality of gas outlet channels 121 arranged at intervals along the circumferential direction and communicated with the gas mixing chamber 1 and the fire outlet holes 2121, the first outer side opening 32 is in fluid communication with the gas outlet channels 121, and the design of the gas mixing chamber 1 has the following advantages: the design of the air outlet channel 121 and the closed section arranged on the outer ring wall 12 of the air mixing chamber 1, the position of the closed section corresponding to the pot support leg is abutted against the fire outlet hole 2121 of the fire cover 2, so that the burning of the flame to the pot support leg can be avoided, the heat loss is reduced, and the combustion efficiency of the burner is improved; the outer ring wall 212 partially covers the outer ring wall 12 of the gas mixing chamber 1, so that on one hand, the wall thickness of the fire cover 2 can be effectively reduced, and accordingly, the weight of the fire cover 2 can be reduced, and the depth of the fire holes 2121 can be correspondingly reduced, so that the fire holes 2121 are not easily blocked by spills.
In order to make the gas and the primary air flow out from the gas outlet channel 121 and enter the first gap 4, so that the gas and the primary air are mixed more uniformly and then enter the gas outlet channel 121 and then enter the fire outlet holes 2121, so as to further improve the flame stabilizing performance of the fire outlet holes 2121, the first gap 4 is arranged between the top end of the outer ring wall 12 and the annular top wall 213 of the fire cover 2, wherein in order to make up for the problem of insufficient air brought by the fire transfer chamber 3 hidden in the gas mixing chamber 1, the air inlet 2131 which is circumferentially arranged along the annular top wall 213 of the fire cover 2 and is communicated with the first gap 4 is arranged in the air passage. Meanwhile, the air channel is simple in arrangement mode, the opening 61 serves as the air channel and is communicated with the first gap 4, and the first gap 4 is filled with gas and primary air flowing out of the air outlet channel 121, so that the gas, the primary air and external secondary air are mixed in the first gap 4, the air quantity of the fire transfer chamber 3 hidden in the air mixing chamber 1 is improved, and effective fire transfer of the fire transfer chamber 3 is guaranteed. The fire transfer chamber 3 hidden in the gas mixing chamber 1 of the present embodiment includes a bottom 37, a first sidewall 34 adjacent to the fire hole 2121 and spaced from the outer sidewall 212 of the fire hole 2121, a second wall 35 and a third wall 36 connecting the bottom 37 and the first sidewall 34 and extending to the inner sidewall 211, the first outer opening 32 is formed in the first sidewall 34, and the gas inlet hole 33 is formed in the bottom 37. In order to realize that the fire chamber 3 has both an open type fire transfer mode and a hidden type fire transfer mode, the second wall portion 35 and the third wall portion 36 extend to the upper surface of the fire cover body 21 to form a second side wall 351 and a third side wall 361 respectively, a top wall 360 is connected between the second side wall 351 and the third side wall 361, the top wall 360 is radially provided with a first fire ignition slot 5, an outer side port 51 of the first fire ignition slot 5 is arranged on the outer ring wall 212, an inner side port 52 of the first fire ignition slot 5 faces to the center of the fire cover body 21, of course, the open type first fire ignition slot 5 and the fire chamber 3 can independently transfer fire, or the open type first fire ignition slot 5 and the fire transfer chamber 3 can be crossed, and for this reason, the air inlet 2131 of the air passage is crossed with the first fire ignition slot 5. Since the thickness of the fire transfer chamber 3 is thicker, and the wall thickness of the fire cover 2 is thinner due to the arrangement of the air outlet channel 121 of the air mixing chamber 1, the air inlet 2131 of the air channel intersects with the first ignition slot 5, and another advantage can be brought, so that the wall thickness of the fire cover 2 and the wall thickness of the fire transfer chamber 3 have a better transition.
Because the bottom 37 of passing fire room 3 is hidden in fire lid body 21, can effectively avoid the overflow to get into in passing fire room 3, even first ignition slot 5 is stopped up, can also guarantee to hide the biography fire of passing fire room 3 bottom 37 in fire lid body 21, guarantee promptly to pass the flame burning in fire room 3, can effectively prevent the jam of hot water again, the suitability reinforcing to the air door aperture simultaneously, also can guarantee to pass the fire performance promptly under the great condition of air door aperture. In order to better make the secondary air and the fuel gas in the first ignition groove 5 be mixed more uniformly, the cross section of the cavity surrounded by the inner side opening 52 of the first ignition groove 5 is formed by intersecting two concentric circles or two ellipses similar to circles. Preferably, the groove bottom of the first priming groove 5 is also communicated with the gas mixing cavity through a transmission channel independent from the fire transfer chamber 3. This design has two benefits: the transmission channel can be used as a reinforcing rib for enhancing the overall strength of the fire transmission chamber 3; on the other hand, the connection between the first ignition groove 5 of the open type fire transfer and the hidden type fire transfer structure can be skillfully realized. And from the viewpoint of simple structure and compact structure of the whole fire transfer chamber 3, the transmission channel is an axial pipeline 6 which has a circumferential closed circumferential wall and penetrates through the fire transfer chamber 3, an opening 61 of the axial pipeline 6 is arranged on the bottom wall 13 of the fire transfer chamber 3, and an outlet 62 of the axial pipeline 6 is arranged at the bottom of the first ignition groove 5. In order to realize the quick fire transfer of the fire transfer chamber 3 hidden in the gas mixing chamber 1, the bottom wall 13 of the fire transfer chamber 3 is provided with second ignition grooves 7 communicated with the air inlet holes 33 on two sides of the transmission channel. In order to further reduce the fire transfer resistance of the second ignition slot 7, the fire transfer of the second ignition slot 7 is quicker; the first side wall 34 is opened with a second outside opening 340 at a position corresponding to the second ignition slot 7. Meanwhile, in order to realize that the fire of the second ignition slot 7 just comes out of the outer ring wall 212 after passing through the gas mixing chamber 1, the first wall surface 120 of the outer ring wall 12 below the gas outlet channel 121 is partially retracted inwards along the radial direction, a second gap 8 is formed between the first wall surface 120 and the inner surface of the outer ring wall 212, the first wall surface 120 of the outer ring wall 12 is provided with a gas outlet hole 1201 which is in fluid communication with the second outer side opening 340 at a position corresponding to the second gap 8, and the outer ring wall 212 is provided with a flame stabilizing hole 2120 which is communicated with the second gap 8. The flame stabilizing hole 2120 also serves as an ignition hole to realize another ignition channel, so that the ignition success rate is effectively improved.
To achieve the purpose that the second gap 8 also has flame stabilizing fire holes 2121, the second gap 8 is in fluid communication with the gas mixing chamber 1 and the fire holes 2121. Of course, the second gap 8 can also be independently used as a "buffer chamber" of the flame-stabilizing hole 2120, depending on the staggered position of the fire cover 2 and the air outlet channel 121 of the air mixing chamber 1. Wherein, the air outlet channel 121 of gas mixing chamber 1 is from inside to outside downward sloping gradually, correspondingly, the main fire hole is from inside to outside upward sloping gradually, the two forms the V style of calligraphy, mix the gas mixture ability and go out the striking of fire hole 2121 in order to make gas and primary air follow the air outlet channel 121 outflow after, the tip portion of V style of calligraphy, the mixing uniformity of gas and air in the gas mixture has been improved, the velocity of flow has been reduced again simultaneously, the steady flame performance in main fire hole has been improved, and the upper surface and the lower surface of air outlet channel 121 still have concave-convex structure and form downward bellied protruding muscle 9, so that gas and primary air can be effectively preheated after flowing out from air outlet channel 121, preferentially, protruding muscle 9 has many and is radial extension, leave the interval in order to form the preheating channel who is used for preheating the gas between two protruding muscle 9. Finally, in order to facilitate the gas to enter the gas mixing chamber 1, the bottom wall 13 is circumferentially provided with at least two through holes 131 for the gas to enter the gas mixing chamber 1, and in order to facilitate the outer ring wall 212 to partially cover the outer ring wall 12, the outer ring wall 12 is more protruded upwards than the inner ring wall 11.
As described above, the flame transfer path of the primary air, the gas, the mixed gas after mixing and the secondary air in the flame transfer chamber 3 inside the gas mixing chamber 1 is divided into three paths, the first path is that the flame transfer chamber 3 transfers flame in the gas mixing chamber 1, specifically, the gas and the primary air enter the flame transfer chamber 3 through the air inlet 33, and are sucked into the secondary air through the air inlet 2131 and then flow out through the second pilot burner 7, the second outer side opening 340, the second gap 8 and the flame stabilizing hole 2120 corresponding to the outer annular wall 212 of the flame cap 2, so that the air flow velocity of the mixed gas flowing out from the transverse flame transfer chamber 3 is effectively reduced, the gas at the flame transfer chamber 3 is not easy to leave flame during combustion, and the ignition of the burner is more stable; and a second path: the first fire transfer groove at the top of the fire transfer chamber 3 can flow out of the fire outlet 2121 after turning through a V-shaped channel formed between the air outlet channel 121 of the outer ring wall 12 of the gas mixing chamber 1 and the fire outlet 2121, so that the air flow velocity of the mixed gas flowing out of the first fire transfer groove is effectively reduced, the gas at the first fire transfer groove is not easy to separate from flame during combustion, and the ignition of the combustor is more stable; and a third path: for the first fire transfer groove intersection fire transfer of passing fire room 3 and passing fire room 3 top, the gas mixture that passes the first outside opening 32 of passing fire room 3 and second outside opening 340 outflow intersects with first kindling groove 5 through air channel's income gas port 2131, form and intersect the back, just can follow the outflow of fire outlet hole 2121 after turning through the V style of calligraphy passageway that forms between gas outlet channel 121 of gas mixing chamber 1 outer lane wall 12 and the fire outlet hole 2121, further effectively reduce the air velocity when gas mixture flows from first fire transfer groove, the formation of intersection enables the fire transfer performance of passing fire room 3 more stable.
Claims (19)
1. A burner for a gas stove comprises a gas mixing chamber (1) and a fire cover (2) connected to the gas mixing chamber (1), wherein the fire cover (2) comprises an annular body (21), and the inner side edge and the outer side edge of an annular top wall (213) of the body (21) respectively extend downwards to form an inner annular wall (211) and an outer annular wall (212); the method is characterized in that: correspondingly, the lower surface of the annular top wall (213) of the fire cover (2) is provided with a relatively isolated fire transfer chamber (3) in the gas mixing chamber (1), and the fire transfer chamber (3) comprises:
an inner side opening (31) which is opened on the inner ring wall (211) and faces to the center of the fire cover body (21);
a first outer opening (32) opening onto a first side wall (34) of the firebox (3) opposite the outer annular wall (212);
the air channel is arranged on the annular top wall (213) of the fire cover (2) and is communicated with the fire transfer chamber (3);
the air inlet hole (33) is formed in at least one other wall of the fire transfer chamber (3) except the first side wall (34) and communicated with the air mixing chamber (1); and
and the fire outlet hole (2121) is formed in the position, corresponding to the first outer side opening (32) of the fire transfer chamber (3), of the outer ring wall (212).
2. Burner for gas cooktops according to claim 1, characterized in that: the gas mixing chamber (1) comprises an inner ring wall (11) and an outer ring wall (12) which are annular and concentrically arranged at intervals, and a bottom wall (13) connecting the inner ring wall (11) and the outer ring wall (12), wherein the inner ring wall (211) of the fire cover (2) is jointed with the inner ring wall (11) of the gas mixing chamber (1), the outer ring wall (212) is partially covered outside the outer ring wall (12), correspondingly, the outer ring wall (12) is provided with at least two gas outlet channels (121) which are arranged at intervals along the circumferential direction and are communicated with the gas mixing chamber (1) and the fire outlet holes (2121), and the first outer side opening (32) is communicated with the gas outlet channels (121) in a fluid mode.
3. Burner for gas cooktops according to claim 2, characterized in that: a first gap (4) is formed between the top end of the outer ring wall (12) and the annular top wall (213) of the fire cover (2).
4. Burner for gas cooktops according to claim 3, characterized in that: the air channel is an air inlet (2131) which is arranged along the circumferential direction of the annular top wall (213) of the fire cover (2) and is communicated with the first gap (4).
5. Burner for gas cooktops according to claim 4, characterized in that: the fire transfer chamber (3) comprises a bottom (37), a first side wall (34) which is adjacent to the fire outlet holes (2121) and has a spacing with the outer ring wall (212) where the fire outlet holes (2121) are located, a second wall part (35) and a third wall part (36) which are connected with the bottom (37) and the first side wall (34) and extend to the inner ring wall (211), the first outer side opening (32) is formed in the first side wall (34), and the air inlet hole (33) is formed in the bottom (37).
6. Burner for gas cooktops according to claim 5, characterized in that: the second wall portion (35) and the third wall portion (36) extend towards the upper surface of the fire cover body (21) to form a second side wall (351) and a third side wall (361), a top wall (360) is connected between the second side wall (351) and the third side wall (361), a first fire ignition groove (5) is formed in the top wall (360) in the radial direction, an outer side opening (51) of the first fire ignition groove (5) is formed in the outer annular wall (212), and an inner side opening (52) of the first fire ignition groove (5) faces the center of the fire cover body (21).
7. Burner for gas cooktops according to claim 6, characterized in that: the air inlet (2131) is intersected with the first ignition groove (5).
8. Burner for gas cooktops according to claim 7, characterized in that: the cross section of a cavity surrounded by the inner side opening (52) of the first ignition groove (5) is formed by intersecting at least two concentric circles or at least two ellipses similar to circles.
9. Burner for gas cooktops according to claim 6, 7 or 8, characterized in that: the bottom of the first ignition groove (5) is communicated with the gas mixing chamber (1) through a transmission channel independent of the fire transfer chamber (3).
10. Burner for gas cooktops according to claim 9, characterized in that: the transmission channel is an axial pipeline (6) which is provided with a circumferential closed circumferential wall and penetrates through the fire transfer chamber (3), an opening (61) of the axial pipeline (6) is formed in the bottom wall (13) of the fire transfer chamber (3), and an outlet (62) of the axial pipeline (6) is formed in the bottom of the first ignition groove (5).
11. Burner for gas cooktops according to claim 10, characterized in that: and a second ignition groove (7) communicated with each air inlet hole (33) is formed in at least one side of the bottom wall (13) of the fire transfer chamber (3) of the transmission channel.
12. Burner for gas cooktops according to claim 11, characterized in that: and a second outer side opening (340) is formed in the position, corresponding to the second ignition groove (7), of the first side wall (34).
13. Burner for gas cooktops according to claim 12, characterized in that: the first wall surface (120) of the outer ring wall (12) located below the air outlet channel (121) is partially retracted inwards in the radial direction, a second gap (8) is formed between the first wall surface (120) and the inner surface of the outer ring wall (212), an air outlet hole (1201) in fluid communication with the second outer side opening (340) is formed in the first wall surface (12) of the outer ring wall (12) at a position corresponding to the second gap (8), and a flame stabilizing hole (2120) communicated with the second gap (8) is formed in the outer ring wall (212).
14. Burner for gas cooktops according to claim 13, characterized in that: the second gap (8) is in fluid communication with the gas mixing chamber (1) and the fire hole (2121).
15. The burner for a gas range according to any one of claims 2 to 14, wherein: the air outlet channel (121) is gradually inclined downwards from inside to outside, correspondingly, the fire outlet holes (2121) are gradually inclined upwards from inside to outside, and the air outlet channels and the fire outlet holes form a V shape.
16. Burner for gas cooktops according to claim 15, characterized in that: the upper surface and/or the lower surface of the air outlet channel (121) is provided with a concave-convex structure to form a convex rib (9) which is convex downwards.
17. Burner for gas cooktops according to claim 16, characterized in that: the at least two convex ribs (9) extend in the radial direction, and a space is reserved between the two convex ribs (9) to form a preheating channel for preheating fuel gas.
18. The burner for a gas range according to any one of claims 1 to 14, wherein: and at least two through holes (131) for gas to enter the gas mixing chamber (1) are formed in the bottom wall (13) along the circumferential direction.
19. The burner for a gas range according to any one of claims 2 to 14, wherein: the outer ring wall (12) is more convex upward than the inner ring wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154268.5A CN110966597B (en) | 2018-09-30 | 2018-09-30 | Burner for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154268.5A CN110966597B (en) | 2018-09-30 | 2018-09-30 | Burner for gas stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110966597A true CN110966597A (en) | 2020-04-07 |
| CN110966597B CN110966597B (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811154268.5A Active CN110966597B (en) | 2018-09-30 | 2018-09-30 | Burner for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110966597B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149730A (en) * | 1984-12-24 | 1986-07-08 | Matsushita Electric Ind Co Ltd | Cooking stove |
| CN202813375U (en) * | 2012-09-12 | 2013-03-20 | 东莞市海新金属科技有限公司 | Gas furnace head with fire transferring device and flame-out protection function |
| JP2016093548A (en) * | 2016-01-21 | 2016-05-26 | 株式会社ハーマン | Gas grill |
| US20170003033A1 (en) * | 2015-07-02 | 2017-01-05 | Mabe, S.A. De C.V. | Multi burner ovni |
| CN206112934U (en) * | 2016-10-31 | 2017-04-19 | 宁波方太厨具有限公司 | Burner fire cap of gas cooking utensils |
| CN206207411U (en) * | 2016-10-08 | 2017-05-31 | 广东星立方厨房科技有限公司 | A kind of high-power upper air inlet cooker burner |
| CN206803229U (en) * | 2016-08-27 | 2017-12-26 | 嵊州市德贝电气有限公司 | A kind of gas-cooker |
| CN207196497U (en) * | 2017-06-23 | 2018-04-06 | 宁波方太厨具有限公司 | A kind of burner fire lid of gas kitchen ranges |
-
2018
- 2018-09-30 CN CN201811154268.5A patent/CN110966597B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149730A (en) * | 1984-12-24 | 1986-07-08 | Matsushita Electric Ind Co Ltd | Cooking stove |
| CN202813375U (en) * | 2012-09-12 | 2013-03-20 | 东莞市海新金属科技有限公司 | Gas furnace head with fire transferring device and flame-out protection function |
| US20170003033A1 (en) * | 2015-07-02 | 2017-01-05 | Mabe, S.A. De C.V. | Multi burner ovni |
| JP2016093548A (en) * | 2016-01-21 | 2016-05-26 | 株式会社ハーマン | Gas grill |
| CN206803229U (en) * | 2016-08-27 | 2017-12-26 | 嵊州市德贝电气有限公司 | A kind of gas-cooker |
| CN206207411U (en) * | 2016-10-08 | 2017-05-31 | 广东星立方厨房科技有限公司 | A kind of high-power upper air inlet cooker burner |
| CN206112934U (en) * | 2016-10-31 | 2017-04-19 | 宁波方太厨具有限公司 | Burner fire cap of gas cooking utensils |
| CN207196497U (en) * | 2017-06-23 | 2018-04-06 | 宁波方太厨具有限公司 | A kind of burner fire lid of gas kitchen ranges |
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| Publication number | Publication date |
|---|---|
| CN110966597B (en) | 2022-01-21 |
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