CN109869768B - Heat shield for kitchen range and kitchen range using same - Google Patents
Heat shield for kitchen range and kitchen range using same Download PDFInfo
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- CN109869768B CN109869768B CN201711260498.5A CN201711260498A CN109869768B CN 109869768 B CN109869768 B CN 109869768B CN 201711260498 A CN201711260498 A CN 201711260498A CN 109869768 B CN109869768 B CN 109869768B
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- heat shield
- heat
- kitchen range
- burner
- liquid collecting
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- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000007306 turnover Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims 1
- 235000014347 soups Nutrition 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Gas Burners (AREA)
- Cookers (AREA)
Abstract
The invention relates to a heat shield for a kitchen range, which comprises an annular shield body and is characterized in that: compared with the prior art, the invention has the advantages that on the basis of the existing gas cooker, the heat shield for the cooker is additionally arranged, the bottom of the heat shield is additionally provided with a circle of annular liquid collecting disc for collecting overflows, soup can be effectively prevented from overflowing into the burner, and meanwhile, the heat shield is internally provided with pot support legs, so that the contact area between the pot support legs and a pot can be increased, flame can fully exchange heat with the pot bottom, and heat absorbed by the pot support legs can heat the pot bottom as much as possible through heat conduction and simultaneously reduce heat loss of the flame; the invention also discloses a kitchen range with the heat shield, the liquid collecting disc of the shield body is matched with the base of the burner, soup on the heat shield can finally flow into the liquid collecting disc, and the pot support legs, the liquid collecting disc and the heat shield performance are integrated, so that the kitchen range is ingenious and reliable in structure.
Description
Technical Field
The invention relates to a heat shield for a kitchen range, and also relates to a kitchen range using the heat shield for the kitchen range.
Background
With the development of urban gas industry, the kitchen ranges industry in China is greatly improved in variety, material, performance, sales and the like. An important point in the improvement of the performance is the improvement of the thermal efficiency. The burner of the household gas cooker belongs to the atmospheric burner. The atmospheric burner is designed according to a partial premixing mode, and the primary air coefficient of the atmospheric burner is 0< alpha <1. The atmospheric burner is divided into a head part and an ejector. The ejector is used for ejecting primary air required by combustion, and the burner head is used for uniformly distributing the mixture of fuel gas and air to the fire holes and carrying out stable and complete combustion. The gas of the gas stove mainly comprises liquefied petroleum gas, natural gas, biogas and the like, which are all primary energy sources. Taking natural gas as an example, the natural gas usage amount of China rises every year, and part of the natural gas is used for household gas. Most of household gas is consumed on the cooking appliance, so that the heat efficiency of the cooking appliance is improved, the consumption of gas resources and the emission of greenhouse gases can be reduced, the gas cost of a user can be reduced, and the air quality is improved. Therefore, the improvement of the efficiency of the gas cooker is always one of the striving targets of the cooker industry in China. In the actual use process of the existing gas cooker, as the cooker is arranged on the cooker support to heat, a certain space is reserved between the cooker and the burner, so that a considerable part of heat energy generated by gas combustion is dissipated into the surrounding environment besides being used for heating the cooker, and energy waste is caused; in order to solve the above problems, in recent years, a number of heat collecting and energy collecting rings for gas cookers and gas cookers with the heat collecting rings have appeared in China, such as disclosed in China patent CN203404823U, and a number of energy collecting gas cookers, such as disclosed in China patent CN204042984U, also have energy collecting pot supports therein, and although the energy collecting rings can reduce heat consumption to a certain extent, the gas cookers are generally placed in ventilation places of a kitchen, and when wind power is high in the external environment, combustion flames of the gas cookers may swing and be unstable, sometimes even cause flameout, and affect use. In addition, the existing common gas stove also has the phenomena of flameout, ignition failure and the like of the gas stove caused by the overflow of the boiling soup into the burner head, the fire hole and the like of the burner.
Disclosure of Invention
The invention aims to solve the technical problem of providing a heat shield for a kitchen range, which can effectively prevent soup from overflowing into a combustor.
Another technical problem to be solved by the present invention is to provide a heat shield for a kitchen range, which can effectively improve the gas utilization rate.
The invention aims to solve the technical problem of providing a kitchen range with the heat shield, which has the heat collecting and energy gathering function and is beneficial to effectively preventing soup from overflowing into a burner.
The technical scheme adopted for solving the technical problems is as follows: this heat exchanger for kitchen is including annular cover body, its characterized in that: the bottom of the cover body is provided with an annular liquid collecting disc extending towards the horizontal direction of the central hole.
In order to enable air outside the cover body to flow into the area surrounded by the annular wall of the cover body through the secondary air inlet, the annular liquid collecting disc is provided with an annular wall extending vertically along the periphery, and at least two secondary air inlet holes are arranged on the annular wall at intervals along the periphery.
In order to prevent the overflow from flowing out of the cover body, the secondary air inlet is formed by partially and outwards turning over the annular wall, the lower part of the partial turning-over sheet is connected with the annular wall, and the upper part of the turning-over sheet extends upwards in an inclined way. The upper parts of the turnover sheets at the two sides can prevent the overflow liquid from flowing out from the secondary air inlet.
Preferably, the lower part of the turnover sheet gradually inclines downwards from outside to inside. The oblique design of the lower portion of the tuck flap may serve two purposes: 1. ensuring that the overflow liquid cannot flow outwards and can flow downwards in the direction of the liquid collecting disc in a guiding way, and preventing the cooking soup from overflowing into the burner head, the fire hole and the like of the burner; 2. and guiding secondary air to enter the secondary air inlet of the combustor air mixing chamber.
In order to prevent the problem of large heat dissipation area caused by large contact area between the pot support legs and the outside air, the pot support legs are fixed on the upper surface of the cover body at intervals along the circumferential direction. The built-in of the relative cover body of pot stabilizer blade can increase the area of contact of pot stabilizer blade and pan, makes flame fully carry out the heat exchange with the bottom of a boiler, reduces the heat dissipation of flame when making the heat that the pot stabilizer blade absorbed can heat the bottom of a boiler as much as possible through the heat conduction, prevents heat energy to kitchen space radiation and thermal-insulated, effectively prevents that above-mentioned problem from producing.
In order to realize the heat insulation function of the cover body, the cover body is double-layered and is provided with a cavity.
The cavity is filled with air, heat insulating material or vacuumized. The heat insulating material, such as ceramic fiber, is one excellent heat insulating material, and has excellent heat insulating effect on heat collecting cavity to prevent heat loss.
The invention provides a stove using the heat shield for a stove, which comprises a stove panel and a burner, wherein the burner is arranged in an opening corresponding to the stove panel in a sinking manner, and comprises a base, a gas mixing chamber and a secondary air inlet arranged on the gas mixing chamber, and is characterized in that: the heat shield rests on the opening and supports the base through the drip pan to form a drip pan below the burner plenum.
In order to realize good overflow collecting effect and supplement of secondary air, the secondary air inlet holes of the heat shield body and the secondary air inlet are aligned one by one.
For conveniently cleaning the liquid collecting disc, the cover body comprises an upper cover and a lower cover, the lower cover and the kitchen range panel are integrally arranged, the pot support legs are arranged on the lower cover at intervals along the circumferential direction, the liquid collecting disc is arranged on the upper cover, and the upper cover is provided with an open slot for the pot support legs to pass through. In the process of disassembly, only the inner fire cover and the outer fire cover of the burner are required to be disassembled from the base, and meanwhile, the upper cover is taken out, so that the overflowed liquid in the liquid collecting disc can be cleaned.
In order to maintain the beautiful appearance of the integral cooker and the convenient cleaning, the top end of the peripheral wall of the upper cover is flush with the top end of the cooker panel.
Compared with the prior art, the invention has the advantages that on the basis of the existing gas cooker, the heat shield for the cooker is additionally arranged, the bottom of the heat shield is additionally provided with a ring-shaped liquid collecting disc for collecting overflowed liquid, so that soup can be effectively prevented from overflowing into the burner, and meanwhile, the side wall of the ring-shaped liquid collecting disc is provided with a secondary air supplementing groove, so that secondary air can be effectively supplemented, the heat shield has a certain height, flames can be effectively protected, the phenomenon of flame swing caused by wind blowing is avoided, and the unstable phenomenon is avoided, in addition, the heat shield is internally provided with the pot support legs, so that the contact area between the pot support legs and the cooker can be increased, the flames can fully exchange heat with the bottom of the cooker, and meanwhile, the heat loss of the flames can be reduced, the heat energy can be prevented from radiating to the kitchen space and insulating heat; the invention also discloses a kitchen range with the heat shield, the liquid collecting disc of the heat shield is matched with the base of the burner, soup on the heat shield can finally flow into the liquid collecting disc, the pot support legs, the liquid collecting disc and the heat shield are integrated, the structure is ingenious and reliable, and the influence on the environment temperature and the burner is effectively reduced.
Drawings
FIG. 1 is a schematic front view of a heat shield according to embodiment 1 of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of the heat shield of example 1 of the present invention placed on a cooktop;
fig. 4 is an enlarged schematic view at a in fig. 3.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1
As shown in fig. 1 to 4, the heat shield for a kitchen range in this embodiment includes an annular shield body 1, the shield body 1 has a double-layer structure and a cavity 4, the cavity 4 is filled with air, and the heat transfer to the outside of the shield body 1 is reduced by utilizing the excellent heat-insulating property of the air. While the annular wall 110 of the central through hole of the housing 1 projects downwards and extends horizontally with an upwardly projecting rim 120 to form a ring-shaped drip pan 13 for collecting the spills. In order to enable air outside the cover body 1 to flow into the area surrounded by the annular wall 110 of the cover body 1 through the secondary air inlet holes 2, the annular wall 110 of the central through hole is provided with the secondary air inlet holes 2 at intervals along the circumferential direction, wherein in order to prevent overflow from flowing out of the cover body 1, the secondary air inlet holes 2 are formed by partially outwards turning over the annular wall 110, the lower part 22 of the partial turning-over sheet is connected with the annular wall 110, and the upper part 21 of the turning-over sheet extends obliquely upwards.
The upper part 21 of the turnover sheet extends upwards obliquely to prevent overflow from flowing outwards from the secondary air inlet 2, and the inclined design of the lower part 22 of the turnover sheet can play two roles: 1. ensuring that the overflow liquid cannot flow out outwards and can flow downwards in a guiding way towards the liquid collecting disc 13 so as to prevent the overflow of the cooking soup from entering the burner, the fire hole and the like of the burner 6; 2. the secondary air is led into the secondary air inlet 63 of the air mixing chamber 62 of the burner 6, and can be preheated.
The heat shield not only integrates the liquid collecting disc 13, but also integrates the pot support legs 3, the pot support legs 3 are fixed on the upper surface of the shield body 1 and are arranged at intervals along the circumferential direction, the pot support legs 3 are arranged in the shield body 1, the contact area of the pot support legs 3 and a pot can be increased, the flame is enabled to exchange heat with the bottom of the pot, the heat absorbed by the pot support legs 3 can heat the bottom of the pot as much as possible through heat conduction, the heat dissipation of the flame is reduced, the heat energy is prevented from radiating to the kitchen space and insulating heat, and the problem of large heat dissipation area caused by large contact area of the pot support legs 3 and the outside air is effectively prevented.
As shown in fig. 3, the heat shield is disposed on a kitchen range, the kitchen range comprises a kitchen range panel 5 and a burner 6, the burner 6 is sunk in a hole 51 corresponding to the kitchen range panel 5, the burner 6 mainly comprises a burner head, a gas mixing chamber 62, a secondary air inlet 63 arranged on the gas mixing chamber 62, an inner fire cover 64 and an outer fire cover 65, the heat shield is placed on the hole 51 and supports a base 61 through a liquid collecting disc 13 to form a liquid containing disc positioned below the gas mixing of the burner 6, the heat shield comprises an upper cover 11 and a lower cover 12 for convenient processing and cleaning, the lower cover 12 is integrally stretched by the kitchen range panel 5, the pot support legs 3 are arranged on the lower cover 12 at intervals along the circumferential direction, the liquid collecting disc 13 is arranged on the upper cover 11, and an opening groove 111 for the pot support legs 3 to pass through is further arranged on the upper cover 11 so as to form a detachable connection of the upper cover 11 relative to the lower cover 12, and simultaneously the top end of the peripheral wall of the upper cover 11 is flush with the top end of the kitchen range panel 5, and the burner 6 is arranged to improve the cleaning performance of the kitchen range panel 5.
When the heat-insulating cover is used, the annular wall 110 of the central through hole of the upper cover 11 of the heat-insulating cover extends into the lower part of the base 61 and supports the base 61 of the burner 6 through the upward protruding edge 120, so that the liquid collecting disc 13 can form a liquid containing disc positioned below the gas mixing chamber 62 of the burner 6, secondary air inlets 63 aligned with the gas mixing chamber 62 one by one are arranged on the annular wall 110 at intervals along the circumferential direction in order to achieve good heat collecting effect and meet the supplement of secondary air of inner ring fire, the diameter difference of the central through hole of the heat-insulating cover body 1 is 13-21 mm larger than the diameter of the outer edge 12 of the gas mixing chamber 62 in the burner 6, namely the radial gap delta between the inner edge of the central through hole of the cover body 1 of the heat-insulating cover for a kitchen range and the outer edge 12 of the gas mixing chamber 62 in the burner 6 is 6.5-10.5 mm.
When the cooking soup overflows along the two side edges of the secondary air inlet hole 2 and the bottom wall 22 and flows into the liquid collecting disc 13 in the use process, when the liquid collecting disc 13 needs to be cleaned, the inner fire cover 64 and the outer fire cover 65 can be taken out from the base 61 of the burner 6, and then the upper cover 11 and the liquid collecting disc 13 are taken out for cleaning, so that the cleaning convenience is increased. And otherwise, the device can be reused after being installed. The heat shield can realize heat insulation and store overflow of cooking soup, prevent the overflow from entering the burner, fire hole and other parts of the burner 6, and is integrally arranged with the kitchen range panel 5, thereby having the characteristics of beautiful appearance and convenient disassembly and washing.
Claims (9)
1. The utility model provides a heat shield for kitchen, is including annular cover body (1), its characterized in that: the utility model discloses a cover body, including cover body (1), annular liquid collecting disc (13) that cover body (1) bottom has to centre bore horizontal direction extension, annular liquid collecting disc (13) periphery along having vertical extension's annular wall (110), annular wall (110) on be equipped with two at least secondary air inlet (2) along circumference interval, secondary air inlet (2) are formed by annular wall (110) local turndown outwards, the lower part and the annular wall (110) of this local turndown piece link to each other, turndown piece upper portion (21) slant upwards extend.
2. The heat shield for a kitchen range according to claim 1, wherein: the lower part (22) of the turnover sheet gradually inclines downwards from outside to inside.
3. The heat shield for a kitchen range according to claim 2, wherein: the upper surface of the cover body (1) is fixedly provided with pot supporting feet (3) which are arranged at intervals along the circumferential direction.
4. A heat shield for a kitchen range according to claim 3, wherein: the cover body (1) is double-layered and is provided with a cavity (4).
5. The heat shield for a kitchen range according to claim 4, wherein: the cavity (4) is filled with air, heat insulation material or vacuumized.
6. A stove using the heat shield for a stove according to any one of claims 1 to 5, comprising a stove panel (5) and a burner (6), wherein the burner (6) is arranged in an opening (51) corresponding to the stove panel (5) in a sinking manner, and the burner (6) comprises a base (61), a gas mixing chamber (62) and a secondary air inlet (63) arranged on the gas mixing chamber (62), and is characterized in that: the heat shield is arranged on the opening (51) and supports the base (61) through the liquid collecting disc (13) so as to form a liquid containing disc positioned below the gas mixing chamber (62) of the combustor (6).
7. The cooktop of the heat shield for cooktops of claim 6, wherein: the secondary air inlet holes (2) of the heat shield body (1) and the secondary air inlet (63) are aligned one by one.
8. The cooktop of the heat shield for cooktops of claim 7, wherein: the cover body (1) comprises an upper cover (11) and a lower cover (12), the lower cover (12) and the kitchen range panel (5) are integrally arranged, the pot support legs (3) are circumferentially arranged on the lower cover (12) at intervals, the liquid collecting disc (13) is arranged on the upper cover (11), and the upper cover (11) is provided with an open slot (111) for the pot support legs (3) to pass through.
9. The cooktop of the heat shield for cooktops of claim 8, wherein: the top end of the peripheral wall of the upper cover (11) is flush with the top end of the kitchen range panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260498.5A CN109869768B (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 |
|---|---|---|---|
| CN201711260498.5A CN109869768B (en) | 2017-12-04 | 2017-12-04 | Heat shield for kitchen range and kitchen range using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109869768A CN109869768A (en) | 2019-06-11 |
| CN109869768B true CN109869768B (en) | 2024-01-16 |
Family
ID=66915504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711260498.5A Active CN109869768B (en) | 2017-12-04 | 2017-12-04 | Heat shield for kitchen range and kitchen range using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109869768B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240574B (en) * | 2019-07-17 | 2022-10-21 | 宁波方太厨具有限公司 | Integrated stove with cooking device |
| CN111442300B (en) * | 2020-03-31 | 2022-03-08 | 宁波方太厨具有限公司 | Stove burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210645A (en) * | 1995-10-30 | 1996-08-20 | Paloma Ind Ltd | Gas cooker |
| CN2435637Y (en) * | 2000-08-22 | 2001-06-20 | 湖南迅达集团有限公司 | Built-in clean burner for range |
| CN201314582Y (en) * | 2008-11-06 | 2009-09-23 | 胡国生 | Dual-chamber gas stove |
| 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 |
| CN103900081A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Fuel gas cooking utensil combustor resistant to water overflow |
| CN207865471U (en) * | 2017-12-04 | 2018-09-14 | 宁波方太厨具有限公司 | A kind of stove heat shield and application have the kitchen range of the stove heat shield |
-
2017
- 2017-12-04 CN CN201711260498.5A patent/CN109869768B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210645A (en) * | 1995-10-30 | 1996-08-20 | Paloma Ind Ltd | Gas cooker |
| CN2435637Y (en) * | 2000-08-22 | 2001-06-20 | 湖南迅达集团有限公司 | Built-in clean burner for range |
| CN201314582Y (en) * | 2008-11-06 | 2009-09-23 | 胡国生 | Dual-chamber gas stove |
| 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 |
| CN103900081A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Fuel gas cooking utensil combustor resistant to water overflow |
| CN207865471U (en) * | 2017-12-04 | 2018-09-14 | 宁波方太厨具有限公司 | A kind of stove heat shield and application have the kitchen range of the stove heat shield |
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| Publication number | Publication date |
|---|---|
| CN109869768A (en) | 2019-06-11 |
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