CN103900118B - A kind of gas-cooker with high burning efficiency - Google Patents

A kind of gas-cooker with high burning efficiency Download PDF

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Publication number
CN103900118B
CN103900118B CN201410076533.8A CN201410076533A CN103900118B CN 103900118 B CN103900118 B CN 103900118B CN 201410076533 A CN201410076533 A CN 201410076533A CN 103900118 B CN103900118 B CN 103900118B
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CN
China
Prior art keywords
auxiliary air
venthole
air
gas
fills
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Application number
CN201410076533.8A
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Chinese (zh)
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CN103900118A (en
Inventor
陈迪龙
徐德明
茅忠群
诸永定
郑军妹
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宁波方太厨具有限公司
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Priority to CN201410076533.8A priority Critical patent/CN103900118B/en
Publication of CN103900118A publication Critical patent/CN103900118A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

A kind of gas-cooker with high burning efficiency, comprise burner, blower fan and Gas Pipe, this burner lower end has induction tunnel, upper end has multiple fire output hole, aforesaid blower fan is used for filling into air to burner, the corresponding aforesaid induction tunnel of aforesaid Gas Pipe arranges and can provide combustion gas, it is characterized in that this gas-cooker also comprises controller and is controlled by the proportioning valve of aforementioned controllers, this proportioning valve is located in Gas Pipe, the upper end of described burner also has multiple auxiliary air venthole arranged near aforementioned fire output hole, the outlet side of described blower fan respectively with air inlet port and the aforementioned auxiliary air venthole configured in fluid communication of induction tunnel, and, described blower fan is controlled by aforesaid controller.Compared with prior art, the present invention has the high advantage of efficiency of combustion.

Description

A kind of gas-cooker with high burning efficiency
Technical field
The present invention relates to a kind of gas-cooker.
Background technology
Existing household gas range is adopt nature injection primary air, the structure that combustion gas mixes with air natural mostly, and this structure gas and air mixture ratio and mixing uniformity are difficult to control, and finally affect the efficiency of combustion of gas-cooker.
Also have and adopt blower fan to the structure of the direct air blast of burner, when adjustment of combustion gas flow, primary air amount does not increase in proportion with gas quantity simultaneously or reduces, produce air capacity not enough or superfluous, imperfect combustion when there is air capacity deficiency is caused to generate more CO, or have excessive air and take away heat energy in flue gas after burning, therefore also can reduce the thermal efficiency of gas-cooker.
For overcoming these defects above-mentioned, gas-cooker is improved.Propose the technical scheme that a large amount of auxiliary air fills into, if the patent No. is the Chinese invention patent " burner for gas stove " (Authorization Notice No. is CN101162088B) of ZL200710188684.2; The patent No. is the Chinese utility model patent " burner for gas stove " (Authorization Notice No. is CN201448848U) of 200920061965.6; Application number is open " upper air inlet burner of gas cooker " (application publication number CN102661606A) of Chinese invention patent application etc. of 201210170857.9.
For reaching the mixed proportion accurately controlling combustion gas and air further, propose a lot of technical scheme to be improved, if application number is open " electrically-controlled scaling adjusted gas-cooker " (application publication number is CN101886820A) of Chinese invention patent application of 200910039462.3; Application number is open " household gas range " (application publication number is CN103292325A) of Chinese invention patent application etc. of 201310264505.4.
Due in prior art control combustion gas and air mixture ratio in, only filling into of primary air is controlled, and do not contrast filling into of auxiliary air and also control effectively, and whether the burning of combustion gas is abundant, primary air to fill into filling into of auxiliary air be all there is very important associating, ignore wherein, and its efficiency of combustion just can not perform to optimum state.
Summary of the invention
Technical problem to be solved by this invention provides a kind of gas-cooker with high burning efficiency for the above-mentioned state of the art.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of gas-cooker with high burning efficiency, comprise burner, blower fan and Gas Pipe, this burner lower end has induction tunnel, upper end has multiple fire output hole, aforesaid blower fan is used for filling into air to burner, the corresponding aforesaid induction tunnel of aforesaid Gas Pipe arranges and can provide combustion gas, it is characterized in that this gas-cooker also comprises controller and is controlled by the proportioning valve of aforementioned controllers, this proportioning valve is located in Gas Pipe, the upper end of described burner also has multiple auxiliary air venthole arranged near aforementioned fire output hole, the outlet side of described blower fan respectively with air inlet port and the aforementioned auxiliary air venthole configured in fluid communication of induction tunnel, and, described blower fan is controlled by aforesaid controller.
The below of described burner is provided with case, and this case covers the lower end of burner, and the inner chamber of this case and auxiliary air venthole configured in fluid communication, the side of aforementioned case is then located at by described blower fan.Case is as primary air and auxiliary air air accumulator, air in case is again that blower fan brute force sucks in, therefore in combustion process, air fills into fully, and then fuel gas buring is also more very abundant, in addition in the process of burner combustion by heat transfer and heat radiation, heat the air in airtight case, the air themperature in flameholding back casing can reach more than 60 DEG C.
The air inlet of the corresponding described induction tunnel in side of described case is provided with gas joint, and this gas joint and case are tightly connected, and described Gas Pipe is then connected with the outer end of gas joint.
Described burner can comprise
Base, lower end has described induction tunnel, and upper end is formed with the gaseous mixture venthole communicated with induction tunnel, and this base also offers auxiliary air and fills into hole;
Fire cover, be located at the upper surface of said base and covered by aforesaid gaseous mixture venthole, described fire output hole is then opened in this fire cover; And
Air fills into ring, and be located at the upper surface of said base and aforesaid auxiliary air can be filled into port lid, described auxiliary air venthole is then opened in this air and fills on ring.
Described fire output hole is tilted to outer layout and forms horn-like, and described air fills into the outgassing direction that ring forms and can make auxiliary air just to the stopper of fire output hole, and this stopper is positioned at the outlet side of auxiliary air venthole.Stopper can make gas and vapor permeation abundant, in addition, can ensure that discharge does not block outer auxiliary air venthole.
As preferably, described induction tunnel comprises outer induction tunnel and interior induction tunnel, accordingly, described gaseous mixture venthole comprises the outer gaseous mixture venthole that communicates with aforementioned outer induction tunnel and gaseous mixture venthole in communicating with aforementioned interior induction tunnel, further, described auxiliary air fills into hole and comprises outer auxiliary air and fill into hole and be positioned at the auxiliary air that outer auxiliary air fills into hole inner ring and fill into hole; Described fire cover comprises the outer fire cover that can cover aforementioned outer gaseous mixture venthole and the inner fire cover that can cover aforementioned interior gaseous mixture venthole, and aforesaid fire output hole comprises the outer fire output hole be opened on outer fire cover and the interior fire output hole be opened on inner fire cover; Described air fills into ring and comprises and can cover outer auxiliary air that aforementioned outer auxiliary air fills into hole and fill into ring and can cover the interior auxiliary air that aforementioned interior auxiliary air fills into hole and fill into ring, aforesaid auxiliary air venthole comprises and is opened in outer auxiliary air and fills into the outer auxiliary air venthole of ring and be opened in the interior auxiliary air venthole that interior auxiliary air fills into ring, and aforesaid outer auxiliary air venthole and interior auxiliary air venthole are arranged near outer gaseous mixture venthole and interior gaseous mixture venthole respectively.
Further, described air fills into ring and also comprises an annular connecting portion, the outer end of this annular connecting portion fills into ring with outer auxiliary air and is connected, inner and interior auxiliary air fills into ring and is connected, and, described annular connecting portion offers the outer vent passed through for gaseous mixture, and described outer fire cover is then covered on this annular connecting portion.Outer auxiliary air fills into the integrative-structure that ring and interior auxiliary air fill into ring, makes unitary construction concision and compact more, is beneficial to I& M cleaning.
Further, described interior fire output hole comprises the inner ring fire output hole of the madial wall being opened in inner fire cover and is opened in the outer ring fire output hole of inner fire cover lateral wall; Described interior auxiliary air fill into ring comprise central part, around central part outer portion and connect connecting portion in aforesaid central portion and outer portion, this interior connecting portion offers the interior passage passed through for gaseous mixture, described inner fire cover is then covered on this interior connecting portion; Described interior auxiliary air venthole comprises the first group of air venthole being opened in outer portion and the second group of air venthole being opened in central part, and, aforesaid first group of air venthole corresponding outer ring fire output hole is arranged, the corresponding inner ring fire output hole of aforesaid second group of air venthole is arranged; Accordingly, described interior auxiliary air fills into hole and comprises the outer shroud air communicated with aforementioned first group of air venthole and fill into hole and the center air that communicates with aforementioned second group of air venthole fills into hole.Owing to adopting said structure, the three circle fire rings finally formed in burner body from inside to outside burn, and air each other fills into non-interference, and burning is balanced, and cooker is heated evenly.
Compared with prior art, the invention has the advantages that: during burning, air is all that blower fan fills into below burner, quite sufficient, and usage ratio valve controls the watt level in kitchen range use, and flow curve is smooth, and user's experience improves greatly; The required in combustion primary air of burner, auxiliary air press optimum proportioning according to the difference of nozzle flow and are controlled blower fan supply by controller, and efficiency of combustion improves greatly, effectively reduces the discharge of waste gas simultaneously.Do not need air in supplementary air as auxiliary air in combustion, greatly can reduce the height of pan bracket like this, the development prospect of embedded gas range can be made more wide.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram (after removing panel).
Fig. 2 is part-structure enlarged diagram in Fig. 1.
Fig. 3 is the front schematic view of base in Fig. 2.
Fig. 4 is the decomposition installation diagram of Fig. 2.
Fig. 5 is the decomposition installation diagram at another visual angle of Fig. 2.
Fig. 6 is the Facad structure schematic diagram of Fig. 2.
Fig. 7 is the sectional view along A-A direction in Fig. 6.
Fig. 8 is embodiment control principle drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, gas-cooker in the present embodiment comprises housing 100, burner 10, blower fan 2, Gas Pipe 9, case 1, gas joint 3, proportioning valve 8 and controller 101, housing 100 inside forms cavity and arranges for burner 10, blower fan 2, Gas Pipe 9, case 1, proportioning valve 8 and controller 101, and the upper port of housing 100 is provided with panel (without display in figure).Burner 10 in the present embodiment, blower fan 2, Gas Pipe 9, case 1, gas joint 3 and proportioning valve 8 is each a set of around.
Shown in composition graphs 2, Fig. 4 and Fig. 5, burner 10 lower end has induction tunnel, upper end has multiple fire output hole and multiple auxiliary air venthole arranged near fire output hole, the corresponding induction tunnel of Gas Pipe 9 arranges and can provide combustion gas, case 1 is located at the below of burner 10 and is covered the lower end of burner 10, the inner chamber of this case 1 and auxiliary air venthole configured in fluid communication.
Blower fan 2 is located at case 1 side and air can be introduced in case 1 under power on condition, and particularly, blower fan 2 can be fixed by the port sealing of rivet and case 1 side.The outlet side of blower fan 2 communicates with the air inlet port of induction tunnel and auxiliary air venthole respectively.Proportioning valve 8 is located in Gas Pipe 9.
Shown in composition graphs 8, the control output end of controller 101 is connected with the control input end of blower fan 2 and the control input end of proportioning valve 8 respectively.Controller controls the size of combustion gas specific discharge by the open and close valve size of control ratio valve, and controller controls the size of rotation speed of fan and controls the amount that air fills into.Optimum proportioning both being realized by the opening degree controlling rotation speed of fan and proportioning valve, makes fuel gas buring more abundant.
Gas joint 3 is located at the other side of case 1 and is tightly connected with case 1, and gas joint 3 outer end is connected with Gas Pipe, combustion gas can be introduced in the induction tunnel of burner 10.
Burner 10 comprises base 7, outer fire cover 5, inner fire cover 4 and air and fills into ring 6.Shown in composition graphs 3, base 7 lower end has an interior induction tunnel 73 and two outer induction tunnels 74, gaseous mixture venthole 76 and the outer gaseous mixture venthole 75 that communicates with outer induction tunnel in upper end is formed and communicates with interior induction tunnel 73, further, this base 7 from also to offer outside to inside, outer auxiliary air fills into hole 71, outer shroud air fills into hole 72 and center air fills into hole 77; Accordingly, gas joint 3 has the first wireway 32 docked with interior induction tunnel and the second wireway 31 docked with outer induction tunnel.
Shown in composition graphs 3, air fills into the upper surface that ring 6 is located at base 7, ring 61, annular connecting portion 6a, outer portion 62, interior connecting portion 6b and central part 63 is filled into from comprising outer auxiliary air outside to inside successively, outer auxiliary air fills on ring 61 and offers outer auxiliary air venthole 64, annular connecting portion 6a offers outer vent 67, outer portion 62 offers first group of air venthole 65, interior connecting portion 6b offers interior passage 6d, central part 63 offers second group of air venthole 66.
Outer fire cover 5 to be located on annular connecting portion 6a and the outer fire output hole 51 of circumferencial direction, inner fire cover 4 is located on interior connecting portion 6b, madial wall offers inner ring fire output hole 42 and lateral wall offers outer ring fire output hole 41, the corresponding outer fire output hole 51 of outer auxiliary air venthole 64 is arranged, first group of air venthole 65 corresponding outer ring fire output hole 41 is arranged, second group of corresponding inner ring fire output hole 42 of air venthole 66 is arranged.
As shown in Figure 6 and Figure 7, outer fire output hole 51 is tilted to outer layout and forms horn-like, outer auxiliary air fills into the stopper 69 ring 61 forming the just external fire output hole of the outgassing direction that can make auxiliary air, this stopper is positioned at the outlet side of outer auxiliary air venthole 64, outer portion 62 and central part 63 are also provided with stopper 69, stopper 69 can make gas and vapor permeation abundant, in addition, can ensure that discharge does not block outer auxiliary air venthole 64, first group of air venthole 65 and second group of air venthole 66.
During burner operation, blower fan 2 works, air is incorporated in case 1, portion of air fills into as primary air and enters outer induction tunnel 74 and interior induction tunnel 73 respectively with combustion gas mixing, portion of air divides three roads to fill into as auxiliary air in addition, respectively from outer auxiliary air venthole 64, first group of air venthole 65, second group of air venthole 66 is sent, the mist entering outer induction tunnel 74 and interior induction tunnel 73 is sent from the outer ring fire output hole 41 of the outer fire output hole 51 of outer fire cover 5 and inner fire cover 4 and inner ring fire output hole 42 respectively, the last three circle fire rings formed in burner 10 from inside to outside burn, because primary air and auxiliary air are all drawn from case 1, and the air in case 1 is blower fan 2 brute force sucks in, therefore fuel gas buring is very abundant, air in addition at this moment in case 1 will the heat that produces of burned device to preheating, the heat that burner 10 produces is recovered utilization by preheating of air in case two, the efficiency of combustion of combustion gas is improved further while reducing heat radiation and thermal convection current.
During burning, air is all that blower fan fills into below burner, quite sufficient, and usage ratio valve controls the watt level in kitchen range use, and flow curve is smooth, and user's experience improves greatly; The required in combustion primary air of burner, auxiliary air are supplied by blower fan by optimum proportioning according to the difference of nozzle flow, and the primary air needed for burning, auxiliary air are all through after preheating; Effectively can improve efficiency of combustion (reaching more than 65%) like this, reduce the discharge (within 250ppm) of waste gas, thus the discharge of improving combustion efficiency, reduction waste gas.Do not need air in supplementary air as auxiliary air in combustion, greatly can reduce the height of pan bracket like this, the development prospect of embedded gas range can be made more wide.

Claims (4)

1. one kind has the gas-cooker of high burning efficiency, comprise burner (10), blower fan (2) and Gas Pipe (9), this burner (10) lower end has induction tunnel, upper end has multiple fire output hole, aforesaid blower fan (2) is for filling into air to burner (10), the corresponding aforesaid induction tunnel of aforesaid Gas Pipe (9) arranges and can provide combustion gas, it is characterized in that this gas-cooker also comprises controller (101) and is controlled by the proportioning valve (8) of aforementioned controllers (101), this proportioning valve (8) is located in Gas Pipe (9), the upper end of described burner (10) also has multiple auxiliary air venthole arranged near aforementioned fire output hole, the outlet side of described blower fan (2) is communicated with the air inlet port of induction tunnel and aforementioned auxiliary air venthole fluid-phase respectively, and, described blower fan (2) is controlled by aforesaid controller (101),
The air inlet of the corresponding described induction tunnel in side of case (1) is provided with gas joint (3), this gas joint (3) and case (1) are tightly connected, and described Gas Pipe (9) is then connected with the outer end of gas joint (3);
Described burner (10) comprises
Base (7), lower end has described induction tunnel, and upper end is formed with the gaseous mixture venthole communicated with induction tunnel, and this base (7) also offers auxiliary air and fills into hole;
Fire cover, be located at the upper surface of said base (7) and covered by aforesaid gaseous mixture venthole, described fire output hole is then opened in this fire cover; And
Air fills into ring (6), and be located at the upper surface of said base (7) and aforesaid auxiliary air can be filled into port lid, described auxiliary air venthole is then opened in this air and fills on ring (6).
2. the gas-cooker with high burning efficiency according to claim 1, it is characterized in that the below of described burner (10) is provided with case (1), this case (1) covers the lower end of burner (10), the inner chamber of this case (1) is communicated with auxiliary air venthole fluid-phase, and the side of aforementioned case (1) is then located at by described blower fan (2).
3. the gas-cooker with high burning efficiency according to claim 1, it is characterized in that described fire output hole is tilted to outer layout and forms horn-like, described air fills into the outgassing direction that ring (6) forms and can make auxiliary air just to the stopper (69) of fire output hole, and this stopper is positioned at the outlet side of auxiliary air venthole.
4. the gas-cooker with high burning efficiency according to claim 3, it is characterized in that described induction tunnel comprises outer induction tunnel (74) and interior induction tunnel (73), accordingly, described gaseous mixture venthole comprises the outer gaseous mixture venthole (75) communicated with aforementioned outer induction tunnel (74) and the interior gaseous mixture venthole (76) communicated with aforementioned interior induction tunnel (73), further, described auxiliary air fills into hole and comprises outer auxiliary air and fill into hole (71) and be positioned at the auxiliary air that outer auxiliary air fills into hole (71) inner ring and fill into hole;
Described fire cover comprises the outer fire cover (5) that can cover aforementioned outer gaseous mixture venthole and the inner fire cover (4) that can cover aforementioned interior gaseous mixture venthole, and aforesaid fire output hole comprises the outer fire output hole (51) be opened on outer fire cover (5) and the interior fire output hole be opened on inner fire cover (4);
Described air fills into ring (6) and comprises and can cover outer auxiliary air that aforementioned outer auxiliary air fills into hole and fill into ring (61) and can cover the interior auxiliary air that aforementioned interior auxiliary air fills into hole and fill into ring, aforesaid auxiliary air venthole comprises and is opened in outer auxiliary air and fills into the outer auxiliary air venthole (64) of ring (61) and be opened in the interior auxiliary air venthole that interior auxiliary air fills into ring, and aforesaid outer auxiliary air venthole (64) and interior auxiliary air venthole are arranged near outer gaseous mixture venthole and interior gaseous mixture venthole respectively.
CN201410076533.8A 2014-03-04 2014-03-04 A kind of gas-cooker with high burning efficiency CN103900118B (en)

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CN103900118B true CN103900118B (en) 2016-04-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202590A (en) * 2015-11-09 2015-12-30 刘伟峰 Energy-saving environment-friendly intelligent gas stove and operation method thereof
CN105299702A (en) * 2015-11-18 2016-02-03 中山乐宜嘉家居设备有限公司 Gas cooker capable of gathering energy and automatically supplementing secondary air
CN105465845B (en) * 2015-12-31 2018-05-18 广东万和热能科技有限公司 For the proportioning valve and gas kitchen ranges of gas kitchen ranges

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201103930Y (en) * 2007-09-29 2008-08-20 广东万和集团有限公司 High-efficient energy-saving gas cooker
CN202109479U (en) * 2011-05-06 2012-01-11 罗子健 Blowing type household fuel gas cooker burner
CN103032876A (en) * 2012-12-12 2013-04-10 中山华帝燃具股份有限公司 Blast type combustor
CN203771472U (en) * 2014-03-04 2014-08-13 宁波方太厨具有限公司 Gas stove with high combustion efficiency

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201103930Y (en) * 2007-09-29 2008-08-20 广东万和集团有限公司 High-efficient energy-saving gas cooker
CN202109479U (en) * 2011-05-06 2012-01-11 罗子健 Blowing type household fuel gas cooker burner
CN103032876A (en) * 2012-12-12 2013-04-10 中山华帝燃具股份有限公司 Blast type combustor
CN203771472U (en) * 2014-03-04 2014-08-13 宁波方太厨具有限公司 Gas stove with high combustion efficiency

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