CN207962760U - 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
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- CN207962760U CN207962760U CN201721665758.2U CN201721665758U CN207962760U CN 207962760 U CN207962760 U CN 207962760U CN 201721665758 U CN201721665758 U CN 201721665758U CN 207962760 U CN207962760 U CN 207962760U
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- heat shield
- cover
- cover body
- burner
- auxiliary air
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Abstract
The utility model is related to a kind of stove heat shields, include annular cover body, it is characterised in that：The cover body 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 utility model has the advantage of on the basis of existing gas-cooker, add stove heat shield, cover body 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 body can be aligned setting one by one with the secondary air inlet of burner mixing chamber, filling into for auxiliary air is effectively performed, improve combustion gas utilization rate.
Description
Technical field
The utility model is related to a kind of stove heat shield, the utility model, which further relates to a kind of application, the stove heat shield
Kitchen range.
Background technology
With the development of city gas cause, the kitchen range industry in China kind, material, performance, sales volume etc. 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 air 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 the primary air needed for injection burning, burner head
Effect be then combustion gas, air mixture to be uniformly distributed on fire hole, and stablize and complete burning.Gas-cooker
Combustion gas is all primary 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 consumption and the 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 and be heated on pan bracket 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 for heating kettle, also phase
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 gas-cooker with it " as disclosed in Chinese patent CN203404823U, and
" a kind of energy gathering type gas cooker " as disclosed in Chinese patent CN204042984U 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 can extremely cause to stop working, influence to use.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.
Invention content
A technical problem to be solved in the utility model be for the above-mentioned prior art present situation and providing a kind of can have
Effect improves the stove heat shield of combustion gas utilization rate.
Another technical problem to be solved in the utility model is to provide one both by the above-mentioned heat shield of application to have
Thermal-arrest cumulative action does not influence secondary air to ensure the clean-burning kitchen range of combustion gas again.
Technical solution is used by the utility model solves above-mentioned technical problem：The stove heat shield, includes annular
Cover body, it is characterised in that：The cover body is made of upper layer cover and lower layer's cover, is formed between upper layer cover and lower layer's cover free
Chamber, the lower layer cover on the bottom wall of the corresponding cavity and form 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 types：
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 illustrates, 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 roof of the auxiliary air air intake passage gradually tilts upwards from the outside to the core.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 reduces auxiliary air to outer ring fire by the just fire output hole of face external ring fire cover after heat shield
The supply resistance of flame, makes secondary air supply obtain 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 heat build-up chamber good thermal insulation function, prevent the loss of heat, and empty
Gas is most economical universal thermal insulation material, and the outside heat transfer of cover body can be reduced 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 implement to be vacuumized, and seperated
Structure then dismounting easy to implement.
The utility model provides a kind of kitchen range using above-mentioned stove heat shield to solve second technical problem, wraps
Include stove panel and burner, the burner includes mixing chamber and the secondary air that is arranged on the mixing chamber
Mouthful, the heat shield surrounds the burner and is shelved on stove panel, it is characterised in that：The heat shield cover body outermost layer
Auxiliary air air intake passage be aligned setting one by one with the secondary air inlet.
In order to realize the supplement of the auxiliary air of ring fire in good heat build-up effect and satisfaction, the cover body of the heat shield
The highest point on inner side edge edge is less than the main fire hole of outer fire cover but the secondary air inlet being higher than in mixing chamber in the burner.
Preferably, the diameter on the inner side edge edge of the heat shield cover body is more than the outer peripheral diameter of mixing chamber in burner,
The two difference is 13~21mm, i.e., cover body 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 prior art, the utility model has the advantage of on the basis of existing gas-cooker, add stove with heat-insulated
It covers, cover body is to cover the double-layer structure constituted by upper layer cover and lower layer, and it is downwardly convex that there is concaveconvex structure to be formed for the bottom that lower layer covers
Convex ribs, using concaveconvex structure formed by the bottom chamber that lower layer cover be separated into preheating auxiliary air channel, promotion fuel gas buring
Combustion gas utilization rate is improved, the invention also discloses the kitchen range that application has the heat shield, the auxiliary air supplemental tanks of the cover body
It can be aligned setting one by one with the secondary air inlet of burner mixing chamber, filling into for auxiliary air is effectively performed, improve combustion gas profit
With rate.
Description of the drawings
Fig. 1 is the positive structure schematic of heat shield in the utility model embodiment 1；
Fig. 2 is the structure schematic diagram of heat shield in the utility model embodiment 1；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is that heat shield is placed on the decomposition texture schematic diagram on kitchen range in the utility model embodiment 1；
Fig. 5 is that heat shield is placed on the stereoscopic schematic diagram on kitchen range in the utility model embodiment 1；
Fig. 6 be Fig. 5 in A-A to sectional view；
Fig. 7 is the structure schematic diagram of heat shield in the utility model embodiment 2；
Fig. 8 is the sectional view of Fig. 7.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment 1
As shown in figs. 1 to 6, the stove heat shield in the present embodiment includes annular cover body 1, and cover body 1 is to cover 11 by upper layer
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, filling is free inside cavity 4
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 the efficiency of heating surface.
The inner side edge edge height of the cover body 1 is less than outer side edges edge height, in order to make the air of 1 upper surface of cover body also can be by certainly
Guide outside to inside to by 1 inner side edge of cover body along area encompassed, and the roof of the auxiliary air air intake passage 3 often enclosed from
It gradually tilts 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 body 1 can may be integral structure with separate structure, and integral structure is easy to implement
It vacuumizes, and separate structure then dismounting easy to implement.
As shown in figure 5, being positioned over the schematic diagram on kitchen range for the heat shield, which includes stove panel 5 and burning
Device 6, burner 6 include mainly burner 60, mixing chamber 61, inner fire cover 64 and outer fire cover 63, and heat shield passes through 1 bottom of cover body
Stabilizer blade is placed separately on stove panel 5, and pan bracket includes annular ring, and is uniformly distributed there are four pot in the circumferential direction of the annular ring
Stabilizer blade, the annular ring can be shelved on the upper of heat shield.
Also, in order to realize the supplement of the auxiliary air of ring fire in good heat build-up effect and satisfaction, heat shield cover body 1
Inner side edge edge is less 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
1 inner side edge of cover body of stove heat-collecting and energy-saving cover in tool is diametrically more than the difference of 61 outer edge diameter of mixing chamber in burner 6
13~21mm, i.e., 1 inner side edge of the cover body edge of stove heat shield and 61 outer peripheral radial clearance δ of mixing chamber 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 body 1 are one by one
Alignment setting, is effectively performed filling into for auxiliary air, improves combustion gas utilization rate.
Embodiment 2
It is essentially identical with 1 structure of embodiment as shown in Fig. 7~8, difference lies in：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 (8)
1. a kind of stove heat shield includes annular cover body (1), it is characterised in that：The cover body (1) by upper layer cover (11) and under
Layer cover (12) is constituted, and cavity (4) is formed between upper layer cover (11) and lower layer's cover (12), lower layer's cover (12) is right
There should be concaveconvex structure on the bottom wall of 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 tilts 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. a kind of kitchen range using stove heat shield described in any claim in claim 2~5 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：It is described
The outermost auxiliary air air intake passage (3) of heat shield cover body (1) is aligned setting one by one with the secondary air inlet (62).
7. kitchen range according to claim 6, it is characterised in that the highest point on the inner side edge edge of the heat shield cover body (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).
8. the kitchen range described according to claim 6 or 7, it is characterised in that the diameter on the inner side edge edge of the heat shield cover body (1)
More than mixing chamber (61) outer peripheral diameter in burner (6), the two difference is 13~21mm, i.e., the cover body 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 |
|---|---|---|---|
| CN201721665758.2U CN207962760U (en) | 2017-12-04 | 2017-12-04 | A kind of stove heat shield and application have the kitchen range of the stove heat shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665758.2U CN207962760U (en) | 2017-12-04 | 2017-12-04 | A kind of stove heat shield and application have the kitchen range of the stove heat shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962760U true CN207962760U (en) | 2018-10-12 |
Family
ID=63728767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665758.2U Active CN207962760U (en) | 2017-12-04 | 2017-12-04 | A kind of stove heat shield and application have the kitchen range of the stove heat shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962760U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006079A (en) * | 2019-04-17 | 2019-07-12 | 杭州德意电器股份有限公司 | A kind of double-deck energy gathering cap of gas stove burner |
| CN111550830A (en) * | 2020-04-29 | 2020-08-18 | 宁波方太厨具有限公司 | Heat insulation cover for kitchen range |
| CN111578345A (en) * | 2020-05-19 | 2020-08-25 | 宁波方太厨具有限公司 | Heat shield and cooker comprising same |
| CN111964128A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
-
2017
- 2017-12-04 CN CN201721665758.2U patent/CN207962760U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006079A (en) * | 2019-04-17 | 2019-07-12 | 杭州德意电器股份有限公司 | A kind of double-deck energy gathering cap of gas stove burner |
| CN111964128A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
| CN111964128B (en) * | 2019-05-19 | 2021-12-24 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
| CN111550830A (en) * | 2020-04-29 | 2020-08-18 | 宁波方太厨具有限公司 | Heat insulation cover for kitchen range |
| CN111578345A (en) * | 2020-05-19 | 2020-08-25 | 宁波方太厨具有限公司 | Heat shield and cooker comprising same |
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