CN109869765A - A kind of stove heat shield and application have the kitchen range of the stove heat shield - Google Patents
A kind of stove heat shield and application have the kitchen range of the stove heat shield Download PDFInfo
- Publication number
- CN109869765A CN109869765A CN201711260415.2A CN201711260415A CN109869765A CN 109869765 A CN109869765 A CN 109869765A CN 201711260415 A CN201711260415 A CN 201711260415A CN 109869765 A CN109869765 A CN 109869765A
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- China
- Prior art keywords
- cover
- heat shield
- auxiliary air
- burner
- lower layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000007789 gas Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 10
- 239000000567 combustion gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Combinations Of Kitchen Furniture (AREA)
- Gas Burners (AREA)
Abstract
The present invention relates to a kind of stove heat shields, it include annular cover, it is characterized by: the cover is to cover the double-layer structure constituted by upper layer cover and lower layer, there is concaveconvex structure to form downwardly convex convex ribs for the bottom of lower layer's cover, compared with prior art, the advantage of the invention is that on the basis of existing gas-cooker, add stove heat shield, cover is to cover the double-layer structure constituted by upper layer cover and lower layer, there is concaveconvex structure to form downwardly convex convex ribs for the bottom of lower layer's cover, the channel that the bottom chamber that lower layer covers is separated into preheating auxiliary air is formed using concaveconvex structure, fuel gas buring is promoted to improve combustion gas utilization rate, the invention also discloses the kitchen range that application has the heat shield, the auxiliary air supplemental tank of the cover can be aligned one by one setting with the secondary air inlet of burner mixing chamber, filling into for auxiliary air is effectively performed, it improves Combustion gas utilization rate.
Description
Technical field
The present invention relates to a kind of stove heat shields, and the invention further relates to the kitchen range that a kind of application has the stove heat shield.
Background technique
With the development of gas cause, the kitchen range industry in China kind, material, performance, in terms of have compared with
It is big to improve.It is important that being exactly the raising of the thermal efficiency in its performance boost.The burner of household gas range belongs to atmosphere more
Formula burner.Atmospheric burner is the burner designed according to partial pre-mix mode, primary air ratio 0 < α < 1.Greatly
Gas formula burner is divided into head and injector two parts.Injector is for primary air needed for injection burning, burner head
Effect be then combustion gas, air mixture to be uniformly distributed on fire hole, and carry out stable and complete burning.Gas-cooker
Combustion gas is all non-renewable energy mainly by liquefied petroleum gas, natural gas, biogas etc..By taking natural gas as an example, the day in annual China
Right gas usage amount is all rising, and wherein some is exactly to be used for home-use gas.Home-use gas is largely consumed in cooking utensils
On, therefore the thermal efficiency for improving cooking utensils can not only reduce the consumption and greenhouse gas emissions of combustion gas resource, while
The combustion gas expenses of user can be reduced, air quality is improved.Therefore the efficiency for improving gas-cooker is always China's kitchen range row
One of objective of the struggle of industry.Existing gas-cooker in actual use, is taken to set on pan bracket and be heated due to cookware, pot
There is certain space interval between burner, the thermal energy that such fuel gas buring generates is other than being used to heating kettle, and there are also phases
When a part escapes in ambient enviroment, energy waste is caused；It is to solve the above-mentioned problems, domestic in recent years that there have been some collection
Hot polymerization energy, " for the cumulative circle of gas-cooker and with its gas-cooker " as disclosed in Chinese patent CN203404823U, and
As disclosed in Chinese patent CN204042984U " a kind of energy gathering type gas cooker " also has cumulative pan bracket in the kitchen range,
Although above-mentioned such cumulative coil structures, can reduce the consumption of thermal energy, gas-cooker is typically placed to a certain extent
The ventilation in kitchen is likely to result in gas-cooker combustion flame and waves, is unstable, sometimes very when wind-force is larger in external environment
It is flame-out to will cause, influence using.In addition, there is also sliding pot, soup overflows of boiling to enter burning for existing general gas stove
The burner of device, fire hole etc., phenomena such as causing gas combustion range flameout, misfire.
Summary of the invention
A technical problem to be solved by this invention be for above-mentioned state of the art and providing a kind of can effectively mention
The stove heat shield of high combustion gas utilization rate.
Another technical problem to be solved by this invention is that both have thermal-arrest by providing one using above-mentioned heat shield
Cumulative action does not influence secondary air again to guarantee the clean-burning kitchen range of combustion gas.
The technical scheme of the invention to solve the technical problem is: the stove heat shield, includes annular cover,
It is characterized by: the cover is made of upper layer cover and lower layer's cover, it is formed with cavity between the upper layer cover and lower layer's cover,
The lower layer covers on the bottom wall of the corresponding cavity and forms downwardly convex convex ribs with concaveconvex structure.
In order to preheat auxiliary air, the kitchen range thermal efficiency is effectively increased, forms the bottom for covering lower layer using concaveconvex structure
Chamber is separated into the channel of preheating auxiliary air, with following two generation type:
One, the convex ribs at least two simultaneously radially extend, spaced to form two between two convex ribs
Secondary air air intake passage.
Secondly, the convex ribs in circumferentially extending, and at least two and form Internal and external cycle, with circle between convex ribs between have
Interval is to form auxiliary air air intake passage, and the auxiliary air air intake passage of adjacent flange collar is staggered and is misaligned.It is with two rings
Example is illustrated, and forms the convex ribs of inside loop and outside loop in the bottom of lower layer's cover, on the one hand can there is guide functions to auxiliary air, another
The flow-guiding channel of aspect circumferential direction is conducive to increase the heating surface area and heated time that auxiliary air is contacted with the bottom that lower layer covers, energy
Effectively preheating auxiliary air, i.e. auxiliary air are after the entrance of the auxiliary air air intake passage of outer ring, again from interior after circulatory motion
The auxiliary air air intake passage of circle enters heat shield inner side edge along area encompassed.
The gradually inclination upwards from the outside to the core of the roof of the auxiliary air air intake passage.On the one hand this design can be strengthened to two
The swabbing action of secondary air；On the other hand, the low inside and high outside gradient design in secondary air channel has directional stream-guidance to auxiliary air
Effect, it is ensured that auxiliary air passes through the fire output hole of just face external ring fire cover after heat shield, reduces auxiliary air to outer ring fire
The supply resistance of flame, obtains secondary air supply rapider.
The cavity inside is filled with air, heat-barrier material or vacuumizes.Heat-barrier material such as ceramic fibre is a kind of fine
Heat-insulating heat-preserving material, this heat-barrier material can play good thermal insulation function to heat build-up chamber, prevent the loss of heat, and empty
Gas is most economical universal thermal insulation material, can be reduced the outside heat transfer of cover using its excellent insulation characteristic.
The upper layer is covered and lower layer's cover is structure as a whole or separate structure.Integral structure is easy to accomplish to be vacuumized, and seperated
Structure then disassembly easy to accomplish.
The present invention provides a kind of kitchen range using above-mentioned stove heat shield to solve second technical problem comprising stove
Have panel and a burner, the burner includes mixing chamber and the secondary air inlet that is arranged on the mixing chamber, institute
It states heat shield to surround the burner and be shelved on stove panel, it is characterised in that: the heat shield cover is outermost
Auxiliary air air intake passage is aligned setting with the secondary air inlet one by one.
In order to realize the supplement of the auxiliary air of ring fire in good heat build-up effect and satisfaction, the cover of the heat shield
The highest point on inner side edge edge is lower than the main fire hole of outer fire cover in the burner but higher than the secondary air inlet in mixing chamber.
Preferably, the diameter on the inner side edge edge of the heat shield cover is greater than the outer peripheral diameter of mixing chamber in burner,
The two difference is 13~21mm, i.e., cover inner side edge edge and the outer peripheral radial clearance of mixing chamber in burner of the described heat shield
δ is 6.5~10.5mm.
Compared with the prior art, the advantages of the present invention are as follows stove heat shield on the basis of existing gas-cooker, is added, cover
Body is to cover the double-layer structure that constitutes by upper layer cover and lower layer, and it is downwardly convex convex that there is concaveconvex structure to be formed for the bottom of lower layer's cover
Muscle is formed the channel that the bottom chamber that lower layer covers is separated into preheating auxiliary air using concaveconvex structure, fuel gas buring is promoted to improve
Combustion gas utilization rate, the invention also discloses the kitchen range that application has the heat shield, and the auxiliary air supplemental tank of the cover can be with burning
The secondary air inlet of device mixing chamber is aligned setting one by one, and filling into for auxiliary air is effectively performed, and improves combustion gas utilization rate.
Detailed description of the invention
Fig. 1 is the positive structure schematic of heat shield in the embodiment of the present invention 1；
Fig. 2 is the structure schematic diagram of heat shield in the embodiment of the present invention 1；
Fig. 3 is the cross-sectional view of Fig. 1；
Fig. 4 is that heat shield is placed on the decomposition texture schematic diagram on kitchen range in the embodiment of the present invention 1；
Fig. 5 is that heat shield is placed on the stereoscopic schematic diagram on kitchen range in the embodiment of the present invention 1；
Fig. 6 be Fig. 5 in A-A to cross-sectional view；
Fig. 7 is the structure schematic diagram of heat shield in the embodiment of the present invention 2；
Fig. 8 is the cross-sectional view of Fig. 7.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment 1
As shown in figs. 1 to 6, the stove heat shield in the present embodiment includes annular cover 1, and cover 1 is by upper layer cover 11
12 double-layer structures constituted are covered with lower layer, and there is cavity 4 between upper layer cover 11 and lower layer's cover 12, are filled inside cavity 4 free
Gas plays function of heat insulation using the undesirable heat transfer property of air, reaches 11 inside temperature height of upper layer cover, 12 outside of lower layer's cover
The low purpose of temperature, to realize inside heat high concentration, radiate few effect in outside, wherein 12 bottoms are covered by lower layer to be had
Concaveconvex structure forms downwardly convex convex ribs 2, on the one hand concaveconvex structure increases effective preheating that 12 pairs of auxiliary airs cover in lower layer.This
In embodiment, convex ribs 2 are formed with inside and outside two circle in circumferentially extending, have interval secondary to be formed between the convex ribs 2 between circle
Air air intake passage 3, and the auxiliary air air intake passage 3 of adjacent flange collar is staggered and is misaligned.It is covered under 12 bottoms from lower layer as a result,
The auxiliary air that side enters in auxiliary air air intake passage 3 can be fully warmed-up, to improve heating efficiency.
The inner side edge edge height of the cover 1 is lower than outer side edges edge height, in order to make the air of 1 upper surface of cover also can be by certainly
Guide outside to inside to by 1 inner side edge of cover along area encompassed, and the roof of the auxiliary air air intake passage 3 of every circle from
Gradually inclination upwards outside to inside.The inclined design has directional stream-guidance effect to auxiliary air, it is ensured that auxiliary air passes through heat shield
The just fire output hole of face external ring fire cover afterwards, reduces the supply resistance of the external ring flame of auxiliary air, design wide outside and narrow inside
Secondary air supply can be made to obtain rapider；The cover 1 can may be integral structure with separate structure, and integral structure is easy to accomplish
It vacuumizes, and separate structure then disassembly easy to accomplish.
As shown in figure 5, being placed in the schematic diagram on kitchen range for the heat shield, which includes stove panel 5 and burning
Device 6, burner 6 mainly include burner 60, mixing chamber 61, inner fire cover 64 and outer fire cover 63, and heat shield passes through the branch of 1 bottom of cover
Foot is placed separately on stove panel 5, and pan bracket includes annular ring, and is uniformly distributed in the circumferential direction of the annular ring there are four pot branch
Foot, the annular ring can be shelved on the upper of heat shield.
Also, in order to realize good heat build-up effect and meet in ring fire auxiliary air supplement, heat shield cover 1
Inner side edge edge is lower than the height of the main fire hole of outer fire cover and the secondary air inlet 62 being higher than in mixing chamber 61 in burner 6, and stove
The difference that 1 inner side edge of cover of stove heat-collecting and energy-saving cover in tool is diametrically greater than 61 outer edge diameter of mixing chamber in burner 6 is
13~21mm, i.e., 1 inner side edge of the cover edge of stove heat shield and the outer peripheral radial clearance δ of mixing chamber 61 in burner 6 are 6.5
~10.5mm.
Simultaneously in order to preferably fill into auxiliary air, the auxiliary air air intake passage 3 and secondary air inlet 62 of cover 1 are one by one
Alignment setting, is effectively performed filling into for auxiliary air, improves combustion gas utilization rate.
Embodiment 2
Essentially identical with 1 structure of embodiment as shown in Fig. 7~8, difference is: the convex ribs 2 at least two of concaveconvex structure
Item, and radially extending has interval to form auxiliary air air intake passage 3 between two convex ribs 2, on the one hand in order to increase hot friendship
Area is changed, auxiliary air is preheated, is on the one hand conducive to preheating auxiliary air, 2 structure of convex ribs increases the heating surface with auxiliary air
Product；On the other hand, also it is in hollow structure by convex ribs 2, not only increases the volume of 2 internal cavities 4 of convex ribs, also increase convex ribs 2
The capacity of inner air further improves the heat-proof quality of heat shield.
Claims (9)
1. a kind of stove heat shield includes annular cover (1), it is characterised in that: the cover (1) by upper layer cover (11) and under
Layer cover (12) is constituted, and is formed with cavity (4) between the upper layer cover (11) and lower layer's cover (12), and lower layer's cover (12) exists
There is concaveconvex structure on the bottom wall of the corresponding cavity (4) and form downwardly convex convex ribs (2).
2. stove heat shield according to claim 1, it is characterised in that: convex ribs (2) at least two and radially
Extend, it is spaced to form auxiliary air air intake passage (3) between two convex ribs (2).
3. stove heat shield according to claim 1, it is characterised in that: the convex ribs (2) are in circumferentially extending, and at least
Two and form Internal and external cycle, with circle between convex ribs (2) between it is spaced to form auxiliary air air intake passage (3), and
The auxiliary air air intake passage (3) of adjacent flange collar, which is staggered, to be misaligned.
4. stove heat shield according to claim 2 or 3, it is characterised in that: the top of the auxiliary air air intake passage (3)
Wall gradually inclination upwards from the outside to the core.
5. stove heat shield according to claim 4, it is characterised in that: filled with air, heat-insulated inside the cavity (4)
Material vacuumizes.
6. stove heat shield according to claim 4, it is characterised in that: (11) are covered on the upper layer and lower layer's cover (12) is one
Body structure or separate structure.
7. a kind of kitchen range using stove heat shield described in any claim in claim 2~6 comprising stove panel
(5) and burner (6), the burner (6) include two of mixing chamber (61) and setting on the mixing chamber (61)
Secondary air inlet (62), the heat shield surround the burner (6) and are shelved on stove panel (5), it is characterised in that: described
The outermost auxiliary air air intake passage (3) of heat shield cover (1) is aligned setting with the secondary air inlet (62) one by one.
8. kitchen range according to claim 7, it is characterised in that the highest point on the inner side edge edge of the heat shield cover (1) is low
The main fire hole of outer fire cover but the secondary air inlet (62) being higher than in mixing chamber (61) in the burner (6).
9. kitchen range according to claim 7 or 8, it is characterised in that the diameter on the inner side edge edge of the heat shield cover (1)
Greater than mixing chamber (61) outer peripheral diameter in burner (6), the two difference is 13~21mm, i.e., the cover of the described heat shield
(1) inner side edge edge and the outer peripheral radial clearance δ of mixing chamber (61) in burner (6) are 6.5~10.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260415.2A CN109869765B (en) | 2017-12-04 | 2017-12-04 | Heat shield for kitchen range and kitchen range using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260415.2A CN109869765B (en) | 2017-12-04 | 2017-12-04 | Heat shield for kitchen range and kitchen range using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109869765A true CN109869765A (en) | 2019-06-11 |
| CN109869765B CN109869765B (en) | 2024-04-16 |
Family
ID=66915557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711260415.2A Active CN109869765B (en) | 2017-12-04 | 2017-12-04 | Heat shield for kitchen range and kitchen range using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109869765B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578346A (en) * | 2020-05-19 | 2020-08-25 | 宁波方太厨具有限公司 | Stove heat shield and stove comprising same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163965Y (en) * | 1993-07-31 | 1994-05-04 | 李久华 | Range for liquid fuels |
| CN201180996Y (en) * | 2008-03-27 | 2009-01-14 | 关荣佳 | Burner with secondary air intake |
| CN201322298Y (en) * | 2008-09-04 | 2009-10-07 | 周玖清 | Full upper air inlet type range burner |
| CN201476119U (en) * | 2009-09-04 | 2010-05-19 | 广东万和新电气股份有限公司 | Hob for domestic gas stove |
| WO2013152726A1 (en) * | 2012-04-12 | 2013-10-17 | 李飞宇 | Upper and lower sleeve connecting mechanism of water inlet valve |
| CN203431955U (en) * | 2013-08-06 | 2014-02-12 | 宁波方太厨具有限公司 | Energy-saving heat collecting cover for kitchen and cooker with cover |
-
2017
- 2017-12-04 CN CN201711260415.2A patent/CN109869765B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163965Y (en) * | 1993-07-31 | 1994-05-04 | 李久华 | Range for liquid fuels |
| CN201180996Y (en) * | 2008-03-27 | 2009-01-14 | 关荣佳 | Burner with secondary air intake |
| CN201322298Y (en) * | 2008-09-04 | 2009-10-07 | 周玖清 | Full upper air inlet type range burner |
| CN201476119U (en) * | 2009-09-04 | 2010-05-19 | 广东万和新电气股份有限公司 | Hob for domestic gas stove |
| WO2013152726A1 (en) * | 2012-04-12 | 2013-10-17 | 李飞宇 | Upper and lower sleeve connecting mechanism of water inlet valve |
| CN203431955U (en) * | 2013-08-06 | 2014-02-12 | 宁波方太厨具有限公司 | Energy-saving heat collecting cover for kitchen and cooker with cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578346A (en) * | 2020-05-19 | 2020-08-25 | 宁波方太厨具有限公司 | Stove heat shield and stove comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109869765B (en) | 2024-04-16 |
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