CN101936548B - Upper air inlet gas cookware - Google Patents

Upper air inlet gas cookware Download PDF

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Publication number
CN101936548B
CN101936548B CN2010102706622A CN201010270662A CN101936548B CN 101936548 B CN101936548 B CN 101936548B CN 2010102706622 A CN2010102706622 A CN 2010102706622A CN 201010270662 A CN201010270662 A CN 201010270662A CN 101936548 B CN101936548 B CN 101936548B
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CN
China
Prior art keywords
gas
burner base
fire cover
center
ring fire
Prior art date
Application number
CN2010102706622A
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Chinese (zh)
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CN101936548A (en
Inventor
邹春
操时英
郭鹏
刘晓东
刘忠成
周旭凯
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华中科技大学
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Priority to CN2010102706622A priority Critical patent/CN101936548B/en
Publication of CN101936548A publication Critical patent/CN101936548A/en
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Publication of CN101936548B publication Critical patent/CN101936548B/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

The invention discloses upper air inlet gas cookware, belongs to gas cookware and solves the problems of inadequate combustion, low efficiency and small power caused by poor ejection capacity of the conventional gas cookware. In the upper air inlet gas cookware, a burner base is provided with a central ejector pipe and is connected with two side ejector pipes, an annular groove is formed on the upper surface of the burner base, an air admission hole is formed on one side face of the burner base and legs are arranged at the bottom of the burner base; a circular path is formed on the lower end face of an outer ring fire cover, fire holes are formed on the outer circumference of the outer ring fire cover and a central fire cover is arranged in the center of the outer ring fire cover; and a central gas nozzle and a central gas interface are arranged at the bottom of the gas ejection base and two spray pipes aligned with two side ejector pipe inlets respectively are arranged on the upper surface of the gas ejection base. The upper air inlet gas cookware improves gas inlet capacity, mixes gas uniformly, has adequate combustion and increases power; and foreign matters cannot enter a shell, so that the health of consumers is facilitated. By the upper air inlet gas cookware, the heat absorption efficiency of a pot can reach 55 percent; the emissions of CO and NOx is lower than 400ppm and 300ppm respectively which are far below the national energy-saving environmental protection index.

Description

A kind of upper air inlet gas cookware
Technical field
The invention belongs to gas kitchen ranges, relate in particular to a kind of upper air inlet gas cookware.
Background technology
modern kitchen requires installing and using of built-in type cooker must guarantee that all the needed air of burning is from obtaining more than panel, existing upper air inlet kitchen range comprise burner base on the market, induction tunnel, external ring fire cover and central flame cap, induction tunnel is connected with burner base, but induction tunnel entrance and burner base distance are larger, because requiring all air, upper air inlet enters from panel top, the position of present induction tunnel is lower, air enters the distant of induction tunnel entrance from panel top, cause the ejector capacity of existing induction tunnel poor, the air capacity that enters in induction tunnel is little, combustion gas and primary air undercompounding, cause the thermal efficiency generally lower, only in 51% left and right, energy loss is serious, waste energy.Because ejector capacity is poor, cause the power of gas kitchen ranges to be difficult to do greatly simultaneously, do not meet the custom that Chinese's cooking needs the big fire quick-fried.Simultaneously more so-called upper air inlet kitchen range are not upper air inlet completely on the market, but perforate comes the required air of aftercombustion on panel, soup juice or culinary art foreign material easily enter into kitchen range housing the inside from the sky on panel top, not easy-clear and cleaning, time is meeting breed bacteria and peculiar smell for a long time, thus harm consumer's health.
Summary of the invention
The invention provides a kind of upper air inlet gas cookware, the burning that the existing gas kitchen ranges of solution causes because ejector capacity is poor is insufficient, and efficient is low, and the problem that power is little is to reach the national energy-saving environmental protection standard.
A kind of upper air inlet gas cookware of the present invention, comprise burner base, induction tunnel, external ring fire cover and central flame cap, described burner base is made of base bottom surface, annulus and the center induction tunnel of one, annulus is positioned on base bottom surface, the center induction tunnel is positioned at the center of annulus and base bottom surface, and the annulus upper surface has cannelure, and burner base annulus side symmetry has two tonifying Qi holes, connect respectively the annulus sidewall, it is characterized in that:
Described burner base bottom surface has equally distributed leg along the edge, the burner base bottom surface is with described annulus that tangential direction is symmetrical is connected two side induction tunnels, and two side induction tunnels are communicated with described cannelure respectively;
Described external ring fire cover is annular, its lower surface has the circular circuit corresponding with described burner base cannelure, the fire hole that the external ring fire cover excircle has even distribution, is communicated with circular circuit, described external ring fire cover is placed in described burner base upper surface, and the circular circuit of external ring fire cover and burner base cannelure consist of mixing chamber; It is central that described central flame cap is set up in the external ring fire cover annular, is positioned at directly over the induction tunnel of center;
Combustion gas injection pedestal is box-like, its bottom centre is equiped with center gas nozzle and center combustion gas interface, combustion gas injection pedestal upper surface diagonally opposing corner is equipped with two jet pipes, described burner base leg is connected with combustion gas injection pedestal by screw, and described two jet pipes are aimed at respectively two side induction tunnel entrances; Described center induction tunnel is positioned at directly over the gas nozzle of center.
Described upper air inlet gas cookware is characterized in that:
Distance between described side induction tunnel entrance center horizontal plane and burner base tonifying Qi hole lower surface is 20~24mm.
Described upper air inlet gas cookware is characterized in that:
The fire hole that the annular inner periphery of described external ring fire cover has even distribution, is communicated with circular circuit, external ring fire cover inner periphery fire hole number is less than excircle fire hole number.
Generally, the size of external ring fire cover with and top fire hole number and position determined degree that firepower is concentrated and the situation of burning.If fuel is different, gas-cooker power is different, the condition of the formation of its CO and NOx is different with the position, the parameters such as number of external ring fire cover and fire hole are just different, by adjusting its relative dimensions, make fuel in suitable zonal combustion, both be conducive to burning fully, can suppress the generation of NOx again, to reach the high-efficiency cleaning burning.
when the present invention works, burner base is placed on panel, need not out fresh air inlet above panel, fuel is by two jet pipes and the ejection of center gas nozzle, injection portion of air (primary air) enters mixing chamber by the side induction tunnel under certain pressure, and enter central flame cap by the center induction tunnel, fuel under certain pressure respectively by two jet pipes on combustion gas injection pedestal and the ejection of center gas nozzle, then external ring fire cover and the fire hole above central flame cap from mixing chamber top installation sprays, auxiliary air can be replenished by burner base top air admission hole, the auxiliary air demand is not high, make the size of external ring fire cover suitably to reduce, increased the time of contact of high-temperature flue gas and pot face, reduce energy loss, make heating more even, heat absorption efficiency is higher, CO and NOx discharging are all very low.
Distance Shortened between side induction tunnel entrance center horizontal plane of the present invention and burner base tonifying Qi hole lower surface is 20~24mm, make from the Distance Shortened of the air approaching side induction tunnel entrance on panel top, two jet pipe diagonally opposing corners are arranged, played gather qi together near induction tunnel, strengthen the effect of induction tunnel ejector capacity, in the situation that gas quantity is identical, strengthened the air intake ability, make that the air content in gaseous mixture increases after injection.The induction tunnel rear portion is crooked simultaneously, makes combustion gas and air further spread mixing, makes the mist that enters mixing chamber mix more even, burns more abundant, and the gas-cooker increased power meets the requirement of compatriots' cooking needs vigorous fire.
Owing to need not out fresh air inlet above panel, the enclosure interior that can not enter into easy-clear not or cleaning of soup juice and foreign material or small insect and so on can breed bacteria or peculiar smell, is conducive to consumer's health.
Proof, adopt gas-cooker of the present invention by experiment, and the heat absorption efficiency of pot face has reached 55%, and the CO discharge capacity is below 400ppm simultaneously, and the NOx discharge capacity is below 300ppm, far below national energy-saving environmental requirement index.
Description of drawings
Fig. 1 is parts cutaway view of the present invention;
Fig. 2 is parts strabismus stereogram of the present invention;
Fig. 3 is cutaway view of the present invention;
Fig. 4 is induction tunnel cutaway view of the present invention;
Fig. 5 is strabismus stereogram of the present invention;
Fig. 6 is top view of the present invention.
Mark in figure: combustion gas injection pedestal 1, burner base 2, mixing chamber 3, external ring fire cover 4, central flame cap 5, main combustion gas external tapping 6, side induction tunnel 7, main gas nozzle 8, center gas nozzle 9, center combustion gas external tapping 10, fire hole 11, tonifying Qi hole 12, jet pipe 13, leg 14, center induction tunnel 15.
The specific embodiment
as Fig. 1~shown in Figure 6, embodiments of the invention comprise burner base 2, induction tunnel 7, external ring fire cover 4 and central flame cap 5, burner base 2 is for having the annular of center induction tunnel 15, the annulus upper surface has cannelure, burner base 2 side symmetries have two tonifying Qi holes 12, be communicated with respectively the annular through-hole between annulus and center induction tunnel, burner base 2 bottom surfaces have 4 equally distributed legs 14 along the edge, the burner base bottom surface is the tangential direction symmetry with described annulus and is connected two side induction tunnels 7, two side induction tunnels 7 are communicated with described cannelure respectively,
External ring fire cover 4 is annular, its lower surface has the circular circuit corresponding with described burner base cannelure, 60 fire holes 11 that the external ring fire cover excircle has even distribution, is communicated with circular circuit, described external ring fire cover 4 is placed in described burner base 2 upper surfaces, and the circular circuit of external ring fire cover and burner base cannelure consist of mixing chamber 3; It is central that described central flame cap 5 is set up in the external ring fire cover annular, is positioned at directly over center induction tunnel 15; Have staggered 24 fire holes on central flame cap 5;
Combustion gas injection pedestal 1 is box-like, its bottom centre is equiped with center gas nozzle 9 and center combustion gas interface 10, combustion gas injection pedestal upper surface diagonally opposing corner is equipped with two jet pipes 13, described burner base leg 14 is connected with combustion gas injection pedestal 1 by screw, and two jet pipes 13 are aimed at respectively two side induction tunnel entrances; Described center induction tunnel is positioned at directly over center gas nozzle 9.
Described jet pipe 13 1 ends are connected with gas hose by main combustion gas external tapping 6, and the jet pipe other end is equipped with main gas nozzle 8.
Distance between described side induction tunnel entrance center and burner base tonifying Qi hole lower surface is 22mm.
20 fire holes that the annular inner periphery of external ring fire cover 4 can have even distribution, be communicated with circular circuit, inner periphery fire hole number 20 is less than excircle fire hole number 60.

Claims (3)

1. upper air inlet gas cookware, comprise burner base, induction tunnel, external ring fire cover and central flame cap, described burner base is made of base bottom surface, annulus and the center induction tunnel of one, annulus is positioned on base bottom surface, the center induction tunnel is positioned at the center of annulus and base bottom surface, and the annulus upper surface has cannelure, and burner base annulus side symmetry has two tonifying Qi holes, connect respectively the annulus sidewall, it is characterized in that:
Described burner base bottom surface has equally distributed leg along the edge, the burner base bottom surface is with described annulus that tangential direction is symmetrical is connected two side induction tunnels, and two side induction tunnels are communicated with described cannelure respectively;
Described external ring fire cover is annular, its lower surface has the circular circuit corresponding with described burner base cannelure, the fire hole that the external ring fire cover excircle has even distribution, is communicated with circular circuit, described external ring fire cover is placed in described burner base upper surface, and the circular circuit of external ring fire cover and burner base cannelure consist of mixing chamber; It is central that described central flame cap is set up in the external ring fire cover annular, is positioned at directly over the induction tunnel of center;
Combustion gas injection pedestal is box-like, its bottom centre is equiped with center gas nozzle and center combustion gas interface, combustion gas injection pedestal upper surface diagonally opposing corner is equipped with two jet pipes, described burner base leg is connected with combustion gas injection pedestal by screw, and described two jet pipes are aimed at respectively two side induction tunnel entrances; Described center induction tunnel is positioned at directly over the gas nozzle of center.
2. upper air inlet gas cookware as claimed in claim 1 is characterized in that:
Distance between described side induction tunnel entrance center horizontal plane and burner base tonifying Qi hole lower surface is 20~24mm.
3. upper air inlet gas cookware as claimed in claim 1 or 2 is characterized in that:
The fire hole that the annular inner periphery of described external ring fire cover has even distribution, is communicated with circular circuit, external ring fire cover inner periphery fire hole number is less than excircle fire hole number.
CN2010102706622A 2010-09-03 2010-09-03 Upper air inlet gas cookware CN101936548B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102706622A CN101936548B (en) 2010-09-03 2010-09-03 Upper air inlet gas cookware

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Application Number Priority Date Filing Date Title
CN2010102706622A CN101936548B (en) 2010-09-03 2010-09-03 Upper air inlet gas cookware

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CN101936548A CN101936548A (en) 2011-01-05
CN101936548B true CN101936548B (en) 2013-05-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104296181A (en) * 2014-10-13 2015-01-21 慈溪市神驹节能科技有限公司 Backfire oxygen-rich energy-gathering gas stove

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CN102661606A (en) * 2012-05-29 2012-09-12 迅达科技集团股份有限公司 Top-intake burner of gas cooker
CN103175228B (en) * 2012-11-07 2016-05-04 冯兵 Upper wind inlet type gas-cooker
CN105351929A (en) * 2015-12-08 2016-02-24 宁波风腾燃具有限公司 Upside-entrainment burner
CN106287694B (en) * 2016-08-12 2019-02-01 宁波市胜源技术转移有限公司 A kind of tricyclic gas apparatus of gas-cooker
CN106439806A (en) * 2016-08-12 2017-02-22 宁波市鄞州姜山盛旺五金厂 Combined-type burner
CN106152130B (en) * 2016-08-12 2018-11-16 宁波市鄞州姜山盛旺五金厂 A kind of two-way combination type burner
CN106287695A (en) * 2016-08-12 2017-01-04 宁波市鄞州姜山盛旺五金厂 A kind of unilateral formula gas apparatus and preparation method thereof
CN106196048A (en) * 2016-08-12 2016-12-07 宁波市鄞州姜山盛旺五金厂 A kind of convergent current type gas apparatus and preparation method thereof
CN106322375B (en) * 2016-08-12 2018-09-14 宁波市鄞州姜山盛旺五金厂 A kind of reversible burner
CN106322377B (en) * 2016-08-12 2019-02-01 宁波市胜源技术转移有限公司 A kind of Bidirectional detachable gas apparatus
CN110966602A (en) * 2018-09-30 2020-04-07 宁波方太厨具有限公司 Burner for gas stove
CN110966598A (en) * 2018-09-30 2020-04-07 宁波方太厨具有限公司 Burner for gas stove
CN111964055A (en) * 2020-08-28 2020-11-20 宁波方太厨具有限公司 Outer ring fire lid and gas-cooker

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