CN111780170B - Gas stove with combustion efficiency adjustment function - Google Patents
Gas stove with combustion efficiency adjustment function Download PDFInfo
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- CN111780170B CN111780170B CN201910273230.8A CN201910273230A CN111780170B CN 111780170 B CN111780170 B CN 111780170B CN 201910273230 A CN201910273230 A CN 201910273230A CN 111780170 B CN111780170 B CN 111780170B
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- burner
- gas
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- ring
- outer ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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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
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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
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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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
本发明涉及一种具有调节燃烧效率的燃气灶，包括有燃烧器，所述燃烧器包括有基座、外环火盖，并与基座之间形成外环混气室，外环混气室在外壁面沿周向开设有出火孔，其特征在于：还包括有调节件，该调节件具有呈环状的本体，所述本体的内侧边沿围成有供燃烧器的顶部穿出的中央孔，所述本体的顶部连接有调节圈，所述调节圈能随着所述调节件的移动而至少局部遮挡所述外环混气室的出火孔区域，与现有技术相比，本发明的优点在于提供一种能与燃烧器适配的调节结构，该调节结构的调节件的中央孔供燃烧器顶部穿出后安装，调节件的调节圈能至少局部遮挡燃烧器的出火孔，从而实现在调整燃烧器的出火孔喷射的混合气的速度。
The present invention relates to a gas stove with adjustable combustion efficiency, comprising a burner, wherein the burner comprises a base, an outer ring fire cover, and an outer ring air mixing chamber is formed between the burner and the base, and a fire outlet hole is opened on the outer wall surface along the circumferential direction. The characteristic is that it also includes an adjusting member, which has an annular body, and the inner edge of the body is surrounded by a central hole for the top of the burner to pass through, and the top of the body is connected to an adjusting ring, and the adjusting ring can at least partially block the fire outlet hole area of the outer ring air mixing chamber as the adjusting member moves. Compared with the prior art, the advantage of the present invention is that it provides an adjusting structure that can be adapted to the burner, the central hole of the adjusting member of the adjusting structure is for the burner top to pass through and then be installed, and the adjusting ring of the adjusting member can at least partially block the fire outlet hole of the burner, thereby achieving the speed of the mixed gas sprayed from the fire outlet hole of the burner when adjusting.
Description
Technical Field
The invention relates to the field of gas cookers, in particular to a gas cooker with combustion efficiency adjusting function.
Background
The primary air coefficient of the existing atmospheric cooker burner is generally 0.4-0.7, the premixed air does not reach the air quantity required by complete combustion, various factors are added, a certain secondary air supplement is needed, and in order to reduce the emission of CO, the secondary air supplement is needed to be as full as possible. At present, the modes of supplementing air for a stove burner are various, and generally, there are a side air inlet mode and a lower air inlet mode, wherein the side air inlet mode is that a side air inlet is formed in the side part of a gas mixing chamber, external air is supplemented by secondary air through the side air inlet, the lower air inlet mode is that a lower air inlet is formed in a base seat, and secondary air is supplemented by air below the stove through the lower air inlet. The side air inlet mode has the advantages of small air inlet resistance and large air inflow, but the existing side air inlet burner has the problems that the inner and outer fire covers can roll up secondary air through the side air inlets of the air mixing chamber due to the injection effect of combustion hot air flow, the heat load of the inner ring is small, the primary air coefficient is higher than that of the outer ring, the secondary air which is rolled up is often excessive, the secondary air roll-up of the middle ring fire holes of the outer ring fire cover is insufficient, large heat load cannot be realized, and the full combustion of the inner ring and the outer ring is realized for reasonably distributing the secondary air.
In addition, generally, according to a method of burning a gas fuel in a gas boiler, such as a premix burner, gas and air are premixed in a mixing ratio optimal for combustion and then supplied to a fire hole surface to be burned. That is, after the mixed gas of the fuel gas and the air injected from the nozzle of the fuel gas injection port flows into the mixing chamber, the mixed gas is supplied to the combustion chamber through the fire hole and burned in the combustion chamber. A general burner in the related art includes a gas valve which adjusts a pressure of gas supplied to the burner, a nozzle which injects the gas supplied through the gas valve, a mixed gas inlet through which the gas ejected from the nozzle is mixed and supplied, an inner space of the burner, to which the mixed gas supplied through the mixed gas inlet is supplied, and a fire cover including a plurality of fire holes to inject the mixed gas supplied to the inner space to the combustion chamber. When the load amount required by the combustion device is large, the gas valve is controlled so that the gas is supplied to the combustion chamber under high pressure, thereby achieving the purpose of high output of the burner. On the contrary, when the load amount required by the combustion device is small, the gas valve is controlled so that the gas is supplied to the combustion chamber under low pressure, thereby achieving the purpose of low output of the burner. In this case, the speed of the mixture injected into the combustion chamber through the fire hole is controlled by the gas pressure determined by the gas valve control. That is, if the gas pressure is high, the speed of the mixture injected through the fire holes is also high. However, according to the burner having the above-mentioned structure, when the load amount required for the combustion apparatus is small, if the fuel gas is supplied at a low pressure, flame is generated at the inner surface of the flame cover plate facing the inside of the combustion chamber since the injection speed of the fuel gas injected into the inside of the combustion chamber is lower than the combustion speed of the mixture gas in the combustion chamber. As a result, there is a problem that the combustion is abnormal, that is, flashback occurs. That is, if the speed of the mixture gas injected through the fire hole is less than a predetermined speed, flashback occurs in which a flame is generated inside the fire hole. However, the diversity of the user needs is difficult to be satisfied by the flow control mode, for example, a chinese patent No. ZL201620432553.9, entitled "a novel gas stove big fire cover" (entitled "publication No. CN 205783145U"), which includes a block body, wherein the middle portion of the block body includes two hinge portions, the two hinge portions are a block one and a block two, each of the block one and the block two includes a fire hole, and the block one and the block two are in a circular structure when they do not rotate with each other. The first block body rotates relative to the second block body, so that the direction of the fire hole is adjusted, the main effect is to conveniently concentrate fire power for cooking, the adjustment mode is simple, and the fire power adjustment is limited.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a gas stove with combustion efficiency regulation, which can realize large heat load combustion of an outer ring fire cover.
The second technical problem to be solved by the invention is to provide a gas stove with combustion efficiency regulation, which can realize reasonable distribution of secondary air of side air inlet of an inner ring fire cover and an outer ring fire cover.
The third technical problem to be solved by the invention is to provide a gas stove with adjustable combustion efficiency, which can effectively prevent overflow liquid overflowed in the cooking process from affecting the burner.
A fourth technical problem to be solved by the present invention is to provide a gas cooker with a combustion efficiency adjusting function, which can prevent the occurrence of backfire under the condition of low output of mixed gas.
The invention solves the technical problems by adopting the technical scheme that the gas stove with the combustion efficiency adjusting function comprises a burner, wherein the burner comprises:
A base;
the outer ring fire cover is arranged on the base, an outer ring gas mixing chamber is formed between the outer ring fire cover and the base, and fire outlet holes are formed in the outer wall surface of the outer ring gas mixing chamber along the circumferential direction;
The burner is characterized by further comprising an adjusting piece, wherein the adjusting piece is provided with a ring-shaped body, a central hole for the top of the burner to penetrate is formed in the inner side edge of the body, the top of the body is connected with an adjusting ring, and the adjusting ring can at least partially shield the fire hole area of the outer ring gas mixing chamber along with the movement of the adjusting piece.
The secondary air supplementing device comprises a base, a secondary air supplementing channel, an adjusting ring, an inner ring fire cover, a central air mixing chamber, an air supplementing chamber, a secondary air supplementing channel and a secondary air supplementing channel, wherein the secondary air supplementing channel is arranged on the top of the base at intervals along the circumferential direction, the secondary air supplementing channel is arranged on the top of the base outside the adjusting ring, the adjusting ring is arranged on the separating member and is spaced from the separating member, the inner ring fire cover is arranged on the inner periphery of the outer ring fire cover and is also arranged on the base, the central air mixing chamber is formed between the inner ring fire cover and the base, the air supplementing chamber is formed between the central air mixing chamber and the outer ring air mixing chamber, the base is also provided with a plurality of radial secondary air supplementing channels which are used for communicating the air supplementing chamber with the outside at intervals along the circumferential direction, and the secondary air supplementing channel is internally provided with the separating member, and the secondary air supplementing channel can be separated into two independent spaces, and is respectively communicated with the central air mixing chamber outlet area and the outer wall area of the air mixing chamber.
The secondary air supplementing channel is divided into relatively independent spaces by the partition piece, air passes through the partition effect of the partition piece to form two independent air supplementing channels, surplus secondary air of an inner ring is effectively avoided, unreasonable secondary air distribution phenomenon of an outer ring is avoided, the secondary air is forced to be split through the partition piece, the inner ring and the outer ring can be fully combusted, the partition piece is especially suitable for an outer ring fire cover with two rings of fires, on one hand, the secondary air interaction between the inner ring and the outer ring can be avoided by the partition piece, on the other hand, secondary air supplementing can be effectively carried out on one side of a fire outlet hole of the outer ring fire cover, adjacent to the air supplementing cavity, the partition piece has accurate positioning, the gas combustion efficiency is improved, meanwhile, the partition piece can recycle heat of a mixed air chamber, the secondary air can be preheated, the combustor heat efficiency is improved, meanwhile, the adjusting ring and the partition piece move along with the regulation piece, the air mixing chamber is further provided with the adjusting ring capable of relatively moving through the fire outlet hole, so that the air outlet area of the adjusting ring can be fully combusted, the mixed air of the outer ring is adjusted, the mixed air of the outer ring is not adjusted, and the mixed air is combusted, namely, the mixed air is adjusted to be mixed to the mixed air by the mixed air, and the mixed air is blown into the mixed air by the mixed air.
The invention aims to solve the third technical problem, and adopts the technical scheme that the outer side periphery of the body is also provided with a vertical part extending downwards, a part of a burner below a partition piece is covered in the vertical part, and the gas stove further comprises:
A panel having a mounting hole aligned with the central hole;
and the adjusting piece is at least partially positioned below the panel on the vertical part.
The adjusting piece can move relative to the burner, so that the adjusting ring can be at least partially shielded at the fire outlet of the burner in the vertical moving process of the adjusting ring relative to the burner, the speed of the mixed gas sprayed to the burner is adjusted instead of the amount of the mixed gas, namely, the spraying speed of the mixed gas is adjusted to be higher than the combustion speed of the mixed gas in the burner, the speed of the mixed gas sprayed by the burner is adjusted to realize a harmonious state without tempering, and on the other hand, overflowed liquid in the cooking process once flowing into the mounting hole can be blocked outside the vertical part due to the vertical part of the adjusting piece, so that the parts, such as a base and an injection pipe, of the burner, which are positioned below the inner side edge are not influenced by the overflowed liquid.
Further, in order to realize that the adjusting member can change the firing area of the burner, it is preferable that the adjusting member is vertically movable with respect to the burner.
The partition may be arranged in such a manner as to partition the secondary air supply passage into at least two independent spaces in the axial up-down direction or at least two independent spaces in the radial left-right direction, and preferably, the partition includes a partition plate which is a horizontal partition plate in view of easy installation.
In order to better realize the separation effect of the partition plate, the inner side end of the partition plate is folded upwards.
In order to facilitate the vertical movement of the adjustment member relative to the burner, a drive mechanism is provided on the lower surface of the panel for driving the adjustment member to move vertically relative to the burner.
In order to realize that the adjusting ring adjusts the air outlet area of the fire outlet hole of the outer ring fire cover along with the amount of the mixed gas required by the burner, the driving mechanism comprises a driving gear coaxially connected with a valve rod in a gas valve for supplying gas to a gas stove, a driven gear meshed with the driving gear, a circle of convex wall corresponding to the linear adjustment of the gas valve and a connecting rod connected to the vertical part are arranged on the upper surface of the driven gear in a protruding mode, and the tail end of the connecting rod is provided with a connecting part capable of sliding relative to the convex wall. The following matching states exist in the process of moving the adjusting piece relative to the burner:
In the uncooked state, the partition piece is propped against the lower end face of the secondary air supplementing channel, the driving gear and the driven gear do not rotate relatively, the adjusting ring shields the fire outlet of the outer ring fire cover, so that dust, sundries and the like can be prevented from falling to the mounting hole and can be blocked outside the vertical part due to the vertical part of the adjusting piece, and therefore the parts, such as the base and the injection pipe, of the burner, which are positioned below the inner side edge are not influenced by the dust and the sundries.
The cooking state comprises a driving gear and a driven gear which coaxially rotate along with a valve rod in a gas valve, so that the adjustment ring and a partition part move along with the adjustment part, and the adjustment ring capable of relatively moving relative to a fire outlet is arranged outside an outer ring gas mixing chamber so as to adjust the gas outlet area of the fire outlet, thereby adjusting the speed of mixed gas sprayed to the outer ring gas mixing chamber instead of adjusting the quantity of the mixed gas, wherein the cooking state can be divided into the following two conditions:
1. Large heat load combustion of outer ring fire cover:
The partition piece is propped against the upper end face of the secondary air supplementing channel, the adjusting ring does not shield the fire outlet hole of the outer ring fire cover, the fire outlet hole is completely exposed, and the vertical parts of the partition piece and the adjusting piece can completely shield the secondary air supplementing channel, so that the periphery of the fire outlet hole of the outer ring fire cover is secondary air supplied to the fire outlet hole of the outer ring fire cover, and the 'contending and robbing' of the secondary air inside and outside when the secondary air enters in the lateral direction is eliminated, thereby realizing the large heat load combustion of the outer ring fire cover;
2. the inner ring fire cover and the outer ring fire cover burn in a state of reasonably distributing secondary air:
When low output is needed, the separating piece is positioned in the middle of the secondary air supplementing channel and the adjusting ring partially shields the fire outlet hole of the outer ring fire cover, and meanwhile, the adjusting ring and the fire outlet hole need to be in close contact when moving so as to prevent leakage of the mixed gas, and the leakage of the mixed gas is easy to induce instability and non-uniformity of combustion.
In order to realize that the high output and the low output of the separating piece and the adjusting ring in the burner are in linear change along with the gas valve, the convex wall comprises a first convex wall and a second convex wall which are symmetrically arranged along the central axis of the driven gear, and the first convex wall and the second convex wall gradually protrude towards the center from bottom to top along the periphery of the driven gear, and then gradually extend downwards from the center.
Preferably, from the viewpoint of simple installation structure, the connecting portion is a recess recessed from bottom to top.
Compared with the prior art, the gas stove has the advantages that the central hole of the adjusting piece is arranged after the top of the burner penetrates out, the adjusting ring of the adjusting piece can at least partially shield the fire outlet hole of the burner, so that the speed of mixed gas sprayed by the fire outlet hole of the burner is adjusted, namely, the spraying speed of the mixed gas is adjusted to be higher than the combustion speed of the mixed gas of the burner, the speed of the mixed gas sprayed by the fire outlet hole is adjusted to realize a harmonious state without tempering, in addition, the gas stove achieves the effects of 'dustproof' effect of the gas stove in an uncooked state, 'large heat load combustion' of the outer ring fire cover in a cooking state and reasonable secondary air proportioning by utilizing the adjusting structure, and enables the inner ring and the outer ring to fully burn, so that the gas stove is particularly suitable for the outer ring fire cover with two ring fires, and is beneficial to improving the heat efficiency of the burner.
Drawings
FIG. 1 is a schematic view of an adjusting member according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of a gas stove according to an embodiment of the present invention (wherein a burner is omitted);
FIG. 5 is a cross-sectional view of an adjustment member in an uncooked state during movement relative to a burner in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the outer ring fire cover in a state of burning with a large heat load in an embodiment of the invention;
FIG. 7 is a partial cross-sectional view of FIG. 6;
FIG. 8 is a schematic view of the structure of the inner and outer ring fire cover in a state of reasonable distribution of secondary air combustion in the embodiment of the invention;
fig. 9 is a partial cross-sectional view of fig. 8.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 9, in the best mode of the present invention, the gas stove with combustion efficiency adjustment function in this embodiment includes an adjustment member 1, the adjustment member 1 has a ring-shaped body, a central hole 111 for the top of the burner 5 to pass through is surrounded by an inner edge 11 of the body, a partition 2 is circumferentially disposed at the top of the body, an adjustment ring 3 is further connected to a portion of the top of the body outside the partition 2, the adjustment ring 3 is disposed above the partition 2 and is spaced from the partition 2, and a vertical portion 12 extending downward is further disposed at the outer periphery of the body to cover a portion of the burner 5 below the partition 2 therein. In order to realize that the partition 2 of the adjusting member 1 can partition the secondary air supplementing channel 55 of the burner 5, and can realize reasonable distribution of secondary air of side air intake of the inner ring fire cover 53 and change of fire discharging area of the burner 5, the embodiment preferably adopts the following scheme that the adjusting member 1 can move vertically relative to the burner 5, the partition 2 can be arranged in such a way that the secondary air supplementing channel 55 is partitioned into at least two independent spaces in the axial up-down direction or at least two independent spaces in the radial left-right direction, and from the viewpoint of simple installation, the partition 2 preferably comprises a partition plate which is a horizontal partition plate, and in order to better realize the partition effect of the partition plate, the inner side end 21 of the partition plate is folded upwards.
The invention also provides a gas cooker with the adjusting structure for the gas cooker, which comprises a panel 4 with a mounting hole 41 aligned with a central hole 111, and the adjusting piece 1 is at least partially positioned below the panel 4 at the vertical part 12, and the adjusting piece 1 can move relative to the burner 5, so that the adjusting ring 3 can be at least partially shielded at the fire hole 532 of the burner 5 in the vertical moving process relative to the burner 5, the speed of the mixed gas sprayed to the burner 5 is adjusted instead of adjusting the quantity of the mixed gas, namely, the spraying speed of the mixed gas is adjusted to be higher than the combustion speed of the mixed gas in the burner 5, the speed of the mixed gas sprayed by the burner 5 is adjusted to realize a harmonious state without tempering, and on the other hand, overflowed liquid during cooking once flowing into the mounting hole 41 can be blocked outside the vertical part 12 due to the vertical part 12 of the adjusting piece 1, and the position of the burner 5 positioned below the inner side edge 11, such as a base 51 and an injection pipe, is not influenced by the overflowed liquid.
In addition, the gas cooker comprises a burner 5 positioned in the mounting hole 41, the burner 5 comprises a base 51, an inner ring fire cover 52 arranged above the base 51 and forming a central gas mixing chamber 521 with the base 51, and an outer ring fire cover 53 arranged above the base 51 and positioned at the periphery of the inner ring fire cover 52 and forming an outer ring gas mixing chamber 531 with the base 51, and a gas supplementing chamber 54 is formed between the central gas mixing chamber 521 and the outer ring gas mixing chamber 531; the base 51 is also provided with a plurality of radial secondary air supplementing channels 55 which are used for communicating the air supplementing cavity 54 with the outside at intervals along the circumferential direction, the outer ring air mixing chamber 531 is provided with a fire outlet 532 along the circumferential direction on the outer wall surface, the secondary air supplementing channels 55 are internally provided with a partition 2, the partition 2 can divide the secondary air supplementing channel 55 into two relatively independent spaces, the fire outlet 532 area of the outer ring air mixing chamber 531 and the outer wall area of the central air mixing chamber 521 are respectively communicated, the adjusting ring 3 can move along with the partition 2 to at least partially shield the fire outlet 532 area of the outer ring air mixing chamber 531, wherein the partition 2 is arranged in the secondary air supplementing channels 55 to divide the secondary air supplementing channels 55 into relatively independent spaces, the air passes through the separation of the partition 2 to form two independent air supplementing channels, the phenomenon of unreasonable distribution of secondary air of the inner ring and the outer ring is effectively avoided, the secondary air with insufficient secondary air can be forced to be split through the partition 2, particularly, the outer ring 53 with the fire cover 53 with two rings of fire can be fully combusted can be particularly suitable, the arrangement of the partition 2 can be provided with the inner ring and the outer ring 53 with the secondary air with the effect of effectively affecting the secondary air supplementing cavity 53 adjacent to one side of the outer ring 54, the gas combustion efficiency is improved by accurate positioning, the partition piece 2 can recycle the heat of the gas mixing chamber, secondary air can be preheated, the heat efficiency of the combustor 5 is improved, the adjusting ring 3 and the partition piece 2 move along with the adjusting piece 1, and the adjusting ring 3 capable of relatively moving relative to the fire outlet 532 is arranged outside the outer ring gas mixing chamber 531 so as to adjust the air outlet area of the fire outlet 532, thereby adjusting the speed of the mixed gas sprayed to the outer ring gas mixing chamber 531 instead of adjusting the quantity of the mixed gas, namely adjusting the spraying speed of the mixed gas to be higher than the combustion speed of the mixed gas in the outer ring gas mixing chamber 531, and adjusting the speed of the mixed gas sprayed through the fire outlet 532 to realize a harmonious state without tempering.
In order to facilitate the vertical movement of the adjusting member 1 relative to the burner 5, the gas burner further comprises a driving mechanism 6 positioned on the lower surface of the panel 4 to drive the adjusting member 1 to move vertically relative to the burner 5, wherein the driving mechanism 6 comprises a driving gear 63 coaxially connected with a valve rod 62 in a gas valve 61 for gas supply of a gas stove, a driven gear 64 meshed with the driving gear 63, a circle of convex wall 641 corresponding to the linear adjustment of the gas valve 61 is convexly arranged on the upper surface of the driven gear 64, and a connecting rod 65 connected to the vertical part 12, the tail end of the connecting rod 65 is provided with a connecting part 651 capable of sliding relative to the convex wall 641, so as to realize the adjustment of the gas outlet area of a gas outlet hole 532 of the outer ring fire cover 53 along with the amount of the mixed gas required by the burner 5, and the following matching state exists in the moving process of the adjusting member 1 relative to the burner 5:
In the uncooked state, the partition 2 is abutted against the lower end face of the secondary air supplementing channel 55, the driving gear 63 and the driven gear 64 do not rotate relatively, the adjusting ring 3 shields the fire outlet 532 of the outer ring fire cover 53, so that dust, sundries and the like can be prevented from falling into the mounting hole 41 and can be blocked outside the vertical part 12 due to the vertical part 12 of the adjusting piece 1, and therefore the parts, such as the base 51 and the injection pipe, of the burner 5, which are positioned below the inner side edge 11 are not influenced by the dust and the sundries.
The cooking state, in which the driving gear 63 and the driven gear 64 are coaxially rotated along with the valve rod 62 in the gas valve 61, thus realizing that the adjusting ring 3 and the partition 2 are moved along with the adjusting member 1, can be divided into the following two cases by providing the adjusting ring 3 capable of relatively moving with respect to the fire hole 532 in addition to the outer ring gas mixing chamber 531 to adjust the gas outlet area of the fire hole 532, thereby adjusting the speed of the gas mixture sprayed to the outer ring gas mixing chamber 531 instead of adjusting the amount of the gas mixture:
1. Large heat load combustion of the outer ring fire cover 53:
The partition 2 is propped against the upper end face of the secondary air supplementing channel 55, the adjusting ring 3 does not shield the fire outlet 532 of the outer ring fire cover 53, the fire outlet 532 is completely exposed, the partition 2 and the vertical part 12 of the adjusting piece 1 can completely shield the secondary air supplementing channel, so that the periphery of the fire outlet 532 of the outer ring fire cover 53 is the secondary air supplied to the fire outlet 532 of the outer ring fire cover 53, the 'contending' of the secondary air inside and outside during lateral air inlet is eliminated, thereby realizing large heat load combustion of the outer ring fire cover 53, in addition, the secondary air of the inner ring fire cover 52 is supplemented by the secondary air under the panel 4 (refer to the dotted arrow of fig. 7), and the secondary air under the panel 4 is surrounded by the vertical part 12 and enters the air supplementing cavity 54 through the secondary air supplementing channel to supplement the outer wall area of the central air mixing chamber 521;
2. The inner and outer ring fire covers 53 burn in a state where secondary air is reasonably distributed:
When a low output is required, the partition 2 is located in the middle of the secondary air supply passage and the adjusting ring 3 partially shields the flame outlet 532 of the outer ring flame cover 53, and at the same time, the adjusting ring 3 is in close contact with the flame outlet 532 to prevent leakage of the mixture gas, which easily induces instability and non-uniformity of combustion. In order to achieve a high output and a low output of the partition 2 and the adjusting ring 3 in the burner 5 linearly varying with the gas valve 61, the convex wall 641 includes a first convex wall 6411 and a second convex wall 6412 symmetrically disposed about the central axis of the driven gear 64, the first convex wall 6411 and the second convex wall 6412 gradually protrude from bottom to top toward the center along the outer periphery of the driven gear 64 and then gradually extend downward from the center, and the connection portion 651 is a concave recess recessed from bottom to top from the viewpoint of simple installation structure.
The specific process is as follows, when the burner 5 works, the adjusting ring 3 and the separating piece 2 of the adjusting structure can be meshed with each other along with the linear change in the gas valve 61 to rotate the driving gear 63 and the driven gear 64, the notch of the connecting rod 65 can slide relative to the driven gear 64, thereby realizing the vertical movement of the adjusting piece 1 relative to the burner 5, the separating piece 2 of the adjusting piece 1 can extend into the secondary air supplementing channel 55 of the burner 5, the adjusting ring 3 of the adjusting piece 1 can at least partially shield the fire outlet 532 of the burner 5, thereby realizing the speed of the mixed gas sprayed by the adjusting ring 532 of the burner 5, namely, the speed of the mixed gas sprayed by the fire outlet 532 is adjusted to be higher than the mixed gas burning speed of the burner 5, in addition, the process also realizes the harmonious state of no backfire, the separating piece 2 can separate the secondary air supplementing channel 55, thereby giving the most suitable supplement to the burner 5, finally, the vertical part 12 of the adjusting piece 1 can realize the supplement of the overflow liquid or clean water entering the burner 5 and the fire outlet 532 of the burner, and the secondary air supplementing piece 2 can completely cover 2 is completely removed from the fire supplementing the fire outlet 2 of the outer ring 53, and the secondary air supplementing the top surface is completely covered by the fire supplementing the fire outlet 2 of the fire supplementing ring 53, and the top surface is completely covered by the outer ring 53, and the secondary air supplementing the top surface is completely covered by the top-down of the fire supplementing ring 2 is completely, and the top-down 2 is completely exposed by the top-down part 2 of the fire supplementing the secondary air supplementing ring 53, and the top cover 53 is completely exposed to the top-covered by the top-cover 53, and the top-down side cover 53 is completely exposed to the top-cover 53, in the final uncooked state, the partition 2 is propped against the lower end face of the secondary air supplementing channel 55, the driving gear 63 and the driven gear 64 do not rotate relatively, the adjusting ring 3 shields the fire outlet 532 of the outer ring fire cover 53, so that dust, sundries and the like can be prevented from falling into the mounting hole 41 and can be blocked outside the vertical part 12 by the vertical part 12 of the adjusting piece 1, and thus the parts of the burner 5 below the inner side edge 11, such as the base 51 and the injection pipe, are not influenced by the dust and the sundries.
Claims (6)
1. A gas range with adjustable combustion efficiency, comprising a burner (5), said burner (5) comprising:
A base (51);
An outer ring fire cover (53) which is arranged on the base (51) and forms an outer ring gas mixing chamber (531) with the base (51), wherein the outer ring gas mixing chamber (531) is provided with a fire outlet hole (532) along the circumferential direction on the outer wall surface;
The burner is characterized by further comprising an adjusting piece (1), wherein the adjusting piece (1) is provided with a ring-shaped body, a central hole (111) for the top of the burner (5) to penetrate is formed by the inner side edge (11) of the body, the top of the body is connected with an adjusting ring (3), and the adjusting ring (3) can at least partially shade the fire hole area of the outer ring gas mixing chamber (531) along with the movement of the adjusting piece (1);
The top of the body is provided with separating pieces at intervals along the circumferential direction, the part of the top of the body outside the adjusting ring (3) is provided with a separating piece (2), the adjusting ring (3) is positioned above the separating piece (2) and is arranged at intervals with the separating piece (2), the combustor (5) further comprises an inner annular fire cover (52) positioned at the inner periphery of the outer annular fire cover (53), the inner annular fire cover (52) is also arranged above the base (51) and forms a central gas mixing chamber (521) with the base (51), a plurality of radial secondary gas supplementing channels (55) which are used for communicating the gas supplementing chamber (54) with the outside are also arranged on the base (51) at intervals along the circumferential direction, the separating piece (2) can divide the secondary gas supplementing channels (55) into two opposite independent gas mixing chamber (532) areas which are communicated with the central gas mixing chamber (521) of the outer annular gas mixing chamber (531);
The device also comprises a driving mechanism (6) which is positioned on the lower surface of the panel (4) and is used for driving the adjusting piece (1) to move vertically relative to the burner (5);
The outer periphery of the body is also provided with a vertical part (12) extending downwards, a part of the burner (5) below the partition piece (2) is covered in the vertical part, the driving mechanism (6) comprises a driving gear (63) coaxially connected with a valve rod (62) in a gas valve (61) for supplying gas to a gas stove, a driven gear (64) meshed with the driving gear (63), a circle of convex wall (641) corresponding to the linear adjustment of the gas valve (61) is arranged on the upper surface of the driven gear (64) in a protruding way, and a connecting rod (65) connected to the vertical part (12), and the tail end of the connecting rod (65) is provided with a connecting part (651) capable of sliding relative to the convex wall (641);
The convex wall (641) comprises a first convex wall (6411) and a second convex wall (6412) which are symmetrically arranged along the central axis of the driven gear (64), and the first convex wall (6411) and the second convex wall (6412) gradually bulge towards the center from bottom to top along the periphery of the driven gear (64) and then gradually extend downwards from the center.
2. The gas cooker with combustion efficiency adjustment according to claim 1, characterized in that:
The panel (4) has a mounting hole (41) aligned with the central hole (111), while the adjusting member (1) has at least its vertical portion (12) partially under the panel (4).
3. Gas cooker with regulation of combustion efficiency according to claim 2, characterized in that the regulating member (1) is movable vertically with respect to the burner (5).
4. A gas cooker with an adjustable combustion efficiency as set forth in claim 3, characterized in that the partition (2) comprises a partition plate, which is a horizontal partition plate.
5. The gas cooker with combustion efficiency adjusting function according to claim 4, wherein the inner end (21) of the partition plate is folded upward.
6. The gas cooker with combustion efficiency adjustment according to claim 1, characterized in that the connection portion (651) is a concave recess recessed from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273230.8A CN111780170B (en) | 2019-04-04 | 2019-04-04 | Gas stove with combustion efficiency adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273230.8A CN111780170B (en) | 2019-04-04 | 2019-04-04 | Gas stove with combustion efficiency adjustment function |
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| Publication Number | Publication Date |
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| CN111780170A CN111780170A (en) | 2020-10-16 |
| CN111780170B true CN111780170B (en) | 2025-02-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902169B (en) * | 2021-01-31 | 2022-04-19 | 宁波方太厨具有限公司 | Burner fire cover for gas stove |
| CN113091057B (en) * | 2021-05-17 | 2025-01-24 | 火星人厨具股份有限公司 | A burner with air door adjustment at mixed gas outlet and its action method |
| CN114046499B (en) * | 2021-11-18 | 2025-05-16 | 宁波方太厨具有限公司 | A burner for a gas stove |
| CN115526579A (en) * | 2021-11-26 | 2022-12-27 | 北京字跳网络技术有限公司 | Method and device for determining item flow, electronic equipment and storage medium |
| CN117346187A (en) * | 2023-11-22 | 2024-01-05 | 杭州老板电器股份有限公司 | Cooking system and cooking control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210398998U (en) * | 2019-04-04 | 2020-04-24 | 宁波方太厨具有限公司 | Gas stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100520186C (en) * | 2003-07-11 | 2009-07-29 | 柴文龙 | Gas kitchen ranges |
| KR20080110321A (en) * | 2007-06-15 | 2008-12-18 | 주식회사 경동나비엔 | Burner with variable output structure |
| CN202066024U (en) * | 2009-12-31 | 2011-12-07 | 陈绪忠 | Six-channel rotational-flow stable-flame stepless regulation multi-fuel combustor |
| CN104748118B (en) * | 2015-01-30 | 2017-02-22 | 中国东方电气集团有限公司 | Rotational-flow-adjustable gas burner |
| CN108343958B (en) * | 2017-01-23 | 2019-11-19 | 博西华电器（江苏）有限公司 | Fire cover for burner of gas stove, gas stove and burner of gas stove |
| CN207750990U (en) * | 2017-12-19 | 2018-08-21 | 宁波方太厨具有限公司 | The changeable fire cover of fire hole and the burner with the fire cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210398998U (en) * | 2019-04-04 | 2020-04-24 | 宁波方太厨具有限公司 | Gas stove |
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