CN109386855A - Energy-saving cover and gas-cooker - Google Patents
Energy-saving cover and gas-cooker Download PDFInfo
- Publication number
- CN109386855A CN109386855A CN201811279125.7A CN201811279125A CN109386855A CN 109386855 A CN109386855 A CN 109386855A CN 201811279125 A CN201811279125 A CN 201811279125A CN 109386855 A CN109386855 A CN 109386855A
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- China
- Prior art keywords
- energy
- saving cover
- cooker
- gas
- emissivity
- Prior art date
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- 239000000463 material Substances 0.000 claims abstract description 80
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 17
- 239000007789 gas Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 210000003298 dental enamel Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/008—Ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of energy-saving cover and gas-cooker, the gas-cooker (200) includes pan bracket (201) and energy-saving cover (100), and the energy-saving cover (100) is set on pan bracket (201).The energy-saving cover (100) is in a ring and including substrate (102) and the surface covering (101) being arranged towards combustion front；For the emissivity of the base material of the substrate (102) less than 0.5, the coating material emissivity of the surface covering (101) is greater than 0.5.The material adapted mode makes the radiation energies of the various different-wavebands generated in combustion process, and efficiently coated material absorbs and is converted to effective infrared emanation, simultaneously because the opposite characteristic of base material, infrared emanation of the surface covering (101) to non-cooker direction has effectively been obstructed, therefore the utilization efficiency of heat radiation can be greatly improved.In addition, energy-saving cover (100) and gas-cooker (200) of the invention is simple for structure, have the advantages that the processing is simple, use when assemble and disassemble it is convenient.
Description
Technical field
The present invention relates to gas-cooker fields, and in particular, to a kind of energy-saving cover and gas-cooker.
Background technique
Household gas range is to carry out direct combustion heating with gaseous fuels such as liquefied petroleum gas, artificial coal gas, natural gases
Kitchen utensils.Gas-cooker uses direct-fired mode, i.e., burns in open air, a large amount of heat outwardly ring
Border is scattered and disappeared, and the Fire Radiation of part can also lose, and cause the thermal efficiency of gas-cooker lower.
There are much power-saving technologies about gas-cooker at present, wherein letter is only arranged in common power-saving technology on gas-cooker
Single machinery separates structure, reduces influence of the external air flow to flame, but to separate structure also inevitable for its machinery used
Ground can absorb heat caused by fuel gas buring, and rapidly outwardly environment scatters and disappears, and can not effectively transfer heat to
On cooker.
In addition, also having power-saving technology is by the way that heat-insulation chamber is arranged on energy saver and fills thermal insulation material in heat-insulation chamber
Energy dissipation is reduced, to achieve the effect that improve efficiency of combustion.But in such scheme, the processing of heat-insulation chamber is complicated and needs
The extra padding thermal insulation material on energy saver, cost improve, while heat insulation effect will necessarily be because using different thermal insulation materials
And it is unstable.
In addition, being the multiple concentric circles cumulative circles of setting there are also power-saving technology, the gap between cumulative circle forms auxiliary air
Channel is heated, to reduce heat loss, but the appearance solidification and processing that are provided with the energy saver of multiple concentric circles cumulative circles are again
It is miscellaneous.
Summary of the invention
The purpose of the present invention is the drawbacks described above to overcome the prior art, a kind of energy-saving cover and gas-cooker are provided, combustion is improved
The thermal efficiency of gas kitchen saves combustion gas resource, reduces environmental pollution.
To achieve the above object, the present invention provides a kind of energy-saving covers, and the energy-saving cover is in a ring and including substrate and face
The surface covering being arranged to combustion front, the emissivity of the base material of the substrate is less than 0.5, the coating material of the surface covering
That expects emissivity is greater than 0.5.
Wherein, the emissivity of the base material is preferably 0~0.4, and the emissivity of the coating material is preferably 0.7~
1。
It is highly preferred that the emissivity of the base material is 0~0.25, the emissivity of the coating material is 0.8~1.
Wherein, the transmissivity of the coating material and the base material is 0~0.5.Preferably, the coating material and
The transmissivity of the base material is 0~0.3.It is highly preferred that the transmissivity of the coating material and the base material be 0~
0.1。
In a specific embodiment, the base material is stainless steel, and the coating material is black heat-resisting paint.
Wherein preferably, the stainless steel is austenitic stainless steel.
In another specific embodiment, the base material is aluminium, and the coating material is that aluminium passes through anodic oxygen
Change the black oxide film formed after blackening.
In an alternative embodiment, the internal perisporium of the centre bore of the energy-saving cover is formed with step groove structure, institute
State multiple annular grooves that step groove structure includes the axially spaced setting on the internal perisporium.
Preferably, the energy-saving cover includes bottom end heavy platform portion and the top expansion mouth of land shape, the top expansion mouth from
The top edge in bottom end heavy platform portion extends obliquely upward, and the top edge of the top expansion mouth is formed with horizontal flange.
Preferably, circumferentially spaced on the top surface of the top expansion mouth to have a through slot radially extended, it is described to pass through
The radial outer end of through slot is formed in the elastic tongue piece to upper overturning shape.
Correspondingly, the present invention also provides a kind of gas-cooker, the gas-cooker includes pan bracket and above-mentioned according to the present invention
Energy-saving cover, the energy-saving cover is set on the pan bracket.
Wherein, the energy-saving cover includes bottom end heavy platform portion and the top expansion mouth of land shape, and the top expansion mouth is from institute
The top edge for stating bottom end heavy platform portion extends obliquely upward, and the top edge of the top expansion mouth is formed with horizontal flange, the energy-saving cover with
The installation positioning surface of the pan bracket is the bottom surface in bottom end heavy platform portion or the bottom surface of the horizontal flange.
Further or optionally, circumferentially spaced on the top surface of the top expansion mouth to there is what is radially extended to pass through
Through slot, the radial outer end of the through slot are formed in the elastic tongue piece to upper overturning shape, and the branch outside of foot of the pan bracket is set
There is short slot, the elastic tongue piece is connected in the short slot.
Energy-saving cover according to the present invention uses the surface of a kind of high temperature resistant, low transmission rate, high-absorbility or high emissivity
The material adapted mode of the substrate of coating and high temperature resistant, low transmission rate, low absorptivity or low-launch-rate, high reflectance, surface apply
Layer is energy-saving cover top surface, and towards combustion front, such material adapted mode can make the various different-wavebands generated in combustion process
Effective infrared emanation is absorbed to radiation high-efficiency and is converted to by surface covering, simultaneously because the material opposite characteristic of substrate,
Effective barrier infrared emanation of the surface covering to non-cooker direction, therefore the utilization efficiency of heat radiation can be greatly improved.This
Outside, energy-saving cover of the invention and gas-cooker have many advantages, such as simple for structure, the processing is simple, use when be convenient to mount and dismount.
Other feature and advantage of the embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the perspective view according to the energy-saving cover of the preferred embodiment of the present invention；
Fig. 2 is the top view of the energy-saving cover of Fig. 1；
Fig. 3 is the right view of the energy-saving cover of Fig. 1；
The energy-saving cover and the perspective view after gas-cooker assembly that Fig. 4 is the preferred embodiment of the present invention；
Fig. 5 is the gas-cooker of the first preferred embodiment of the present invention and its assembling structure schematic diagram of energy-saving cover；
Fig. 6 is the gas-cooker of the second preferred embodiment of the present invention and its assembling structure schematic diagram of energy-saving cover；
Fig. 7 is the gas kitchen ranges support of the third preferred embodiment of the present invention and its assembling explosive view of energy-saving cover；
Fig. 8 is perspective view after the assembly of the gas kitchen ranges support and its energy-saving cover of the third preferred embodiment of the present invention.
Description of symbols
100 energy-saving covers
101 surface covering, 102 substrate
103 centre bore, 104 step groove structure
105 through slot, 106 internal perisporium
107 top expansion mouth, 108 bottom end heavy platform portion
109 horizontal 120 elastic tongue pieces of flange
121 in-flanges
200 gas-cookers
201 pan bracket, 20 inner convex platform
203 outer lug boss, 204 short slot
205 burners
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation
Word is described.
The present invention provides a kind of energy-saving effect energy-saving covers more outstanding.As shown in Figure 1 to Figure 3, in this embodiment, should
Energy-saving cover 100 is in a ring and including substrate 102 and the surface covering 101 being arranged towards combustion front.Particularly, energy conservation of the invention
The emissivity of the base material of the substrate 102 of cover 100 is set smaller than 0.5, and the emissivity of the coating material of surface covering 101 is big
In 0.5.
When in use, energy-saving cover 100 is placed on gas-cooker, and the centre bore 103 of energy-saving cover 100 is set on gas-cooker 200
On burner 205.Energy-saving cover 100 of the invention uses the table of a kind of high temperature resistant, low transmission rate, high-absorbility or high emissivity
Finishing coat 101 and high temperature resistant, low transmission rate, low absorptivity or low-launch-rate, the substrate 102 of high reflectance and its mutual material
Collocation mode, effectively to absorb the thermal energy of combustion flame and reduce thermal loss.
Specifically, according to Kirchhoff's law, any radiator is at a temperature of same, the ratio between emissivity and absorptivity
It is all a constant, i.e. the emissivity of substance is bigger, and absorptivity is also bigger, and a good emitter must be a good suction
Acceptor, and absorptivity+reflectivity+transmissivity=1, that is, low low transmission substance its reflectivity of absorptivity must be high.Pass through
The surface covering 101 of high emissivity is set, heat radiation of the energy-saving cover 100 to cooker is increased, if energy-saving cover 100 is in the unit time
The thermal energy value inside obtained is constant, then the raising of emissivity necessarily declines the cover temperature of energy-saving cover 100, radiates and can increase and save
The heat conduction loss amount that 100 can be covered is reduced.The substrate 102 (i.e. the high substrate 102 of reflectivity) of low-launch-rate and low transmission rate, energy
Effectively barrier surface covering 101 enhances radiant heat transfer, improves gas-cooker 200 to the infrared emanation in non-cooker direction
The thermal efficiency.
It should be noted that the combustion front refers to the surface of combustion flame.In the present embodiment, energy-saving cover 100 has
There is centre bore 103, combustion flame is pierced by from centre bore 103 and most of flame is respectively positioned on above centre bore 103, therefore in this reality
It applies in example, the top anchor ring of surface, that is, energy-saving cover 100 towards combustion front, that is, top expansion mouth 107 shown in Fig. 3 are interior
Side ring surface.
Under actual working environment, the use temperature of energy-saving cover 100 is usually less than 800 degrees Celsius.The transmitting of coating material
The bigger effect of rate (absorptivity) numerical value is better, maximum limit 1, the smaller effect of emissivity (absorptivity) numerical value of base material
It is better, minimum limit value 0, so emissivity (absorptivity) numerical value of coating material takes big numerical value as far as possible, base material
Emissivity (absorptivity) numerical value takes small numerical value as far as possible.Regardless of coating material or base material, must all select as far as possible
For transmissivity close to 0 material, i.e. the smaller effect of transmissivity is better, is scattered and disappeared with reducing heat radiation.
Therefore, in the present embodiment, the emissivity of base material is biased to take the numerical value for tending to 0, and the transmitting of coating material
Rate is biased to take the numerical value close to 1, and the transmissivity of base material and coating material is biased to take the numerical value for tending to 0.For example, in conjunction with upper
The transmissivity of the material ranges stating analysis and can actually choosing, base material and coating material is preferably 0~0.5.Into one
Step ground, the emissivity of base material is preferably 0~0.4, and the emissivity of coating material is preferably 0.7~1, base material and
The transmissivity of coating material is preferably 0~0.3.Further, the emissivity of base material can be 0~0.25, coating
The emissivity of material can be 0.8~1, and the transmissivity of base material and coating material is preferably 0~0.1.
Specifically, base material is usually stainless steel, and coating material can be chosen for black heat-resisting paint, at 800 degrees Celsius
Hereinafter, its emissivity of 1um~10um (the most effective wave band of heat radiation) a length of for infrared wave is about 0.75~0.98.More specifically
Ground, the austenitic stainless steel that stainless steel can be smooth for surface, at 800 degrees Celsius hereinafter, 1um~10um a length of for infrared wave
(the most effective wave band of heat radiation), emissivity is about 0.1~0.3, and the smooth common stainless steel in surface also may be selected in stainless steel.
In addition, base material is alternatively chosn to aluminium, at 800 degrees Celsius hereinafter, 1um~10um a length of for infrared wave
(the most effective wave band of heat radiation) its emissivity is about 0.05~0.2.Correspondingly, coating material is preferably aluminium by anodic oxygen
Change the black oxide film formed after blackening.At 800 degrees Celsius hereinafter, 1um~10um (heat radiation a length of for infrared wave
Most effective wave band), the emissivity of coating material is about 0.75~0.98.
Certainly, it will be appreciated to those of skill in the art that the material of the surface covering 101 of energy-saving cover 100 and substrate 102
Also other a variety of materials collocation modes may be selected, but above-mentioned material adapted requirement need to be met.
Above-mentioned material adapted mode is with can making the radiation high-efficiency of the various different-wavebands generated in combustion process by surface
Coating 101 absorbs and is converted to effective infrared emanation (IR wavelength 1um~10um is the most effective wave band of heat radiation), together
When due to substrate 102 material opposite characteristic, effectively obstructed infrared emanation of the surface covering 101 to non-cooker direction,
Therefore the utilization efficiency of heat radiation can be greatly improved.
The energy-saving cover 100 of existing gas-cooker 200 mostly uses the energy saving disk material structure of cold plate enamel or cast iron enamel, by
It is almost the same and quite high in emissivity of the energy saving disk material structure of cold plate enamel or cast iron enamel in all directions, thus
Infrared emanation cannot be effectively utilized, and have considerable infrared emanation to scatter and disappear to non-the bottom of a pan face, therefore compared to enamel section
Energy disk, energy-saving cover 100 according to the present invention are arranged in pairs or groups due to using above-mentioned material, and the thermal efficiency can obtain very big promotion.
In addition, the structure annular in shape of energy-saving cover 100 generates after making burning around the fire hole of the burner 205 of gas-cooker 200
Hot gas and the Cryogenic air of ambient enviroment separate, reduce because with thermal dissipation caused by Cryogenic air convection current, simultaneously
Hot gas can be allowed to stop the longer time in the heat-exchange surface of cookware base, so that the heat by convective exchange is more, to mention
High energy efficiency.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the internal perisporium 106 of the centre bore 103 of cyclic annular energy-saving cover 100 preferably forms
There is step groove structure 104, that is, multiple annular grooves of axially spaced setting on the peripheral wall 106 that is included.Energy-saving cover 100 exists
In use, the outer ring bottom surface of combustion front backwards of top expansion mouth 107 shown in Fig. 3 and the hearth face of gas-cooker 200 are (usually
Glass planar) between gap and energy-saving cover 100 internal perisporium 106 and gas-cooker 200 burner 205 between gap,
Above-mentioned two gap together forms the secondary-air passage of gas-cooker 200.The supplement of auxiliary air mainly relies on burner
The fuel gas fluids of 205 outflows realize the Involving velocity of the air around burner 205.Step groove structure 104 it is more
A annular surface to be rolled up the auxiliary air that sucks in, and to form partial pressure poor.Due to the presence of draught head, secondary sky
Gas flows to low-pressure area from higher-pressure region, forms small-sized gas circulating, to form the convolution vortex of auxiliary air.Convolution vortex makes
Combustion gas and auxiliary air effectively mix, therefore combustion gas can be fully burned, and greatly improve combustion rate.
In the first preferred embodiment of the invention, as shown in figure 5, energy-saving cover 100 includes the bottom end heavy platform portion of land shape
108, in use, the bottom face in bottom end heavy platform portion 108 can be used as the installation positioning surface of energy-saving cover 100, while on gas-cooker 200
The corresponding positioning inner convex platform 202 of setting, the bottom face in the bottom end heavy platform portion 108 of energy-saving cover 100 can be placed in determining for gas-cooker 200
On the inner convex platform 202 of position, fixed energy-saving cover 100 thus can be limited.
In second of preferred embodiment of the invention, as shown in fig. 6, energy-saving cover 100 includes top expansion mouth 107, top
Expansion mouth 107 is extended obliquely upward from the top edge in bottom end heavy platform portion 108, and the top edge of top expansion mouth 107 is formed with horizontal flange
109.In use, the bottom face of horizontal flange 109 can be used as the installation positioning surface of energy-saving cover 100, while being set on gas-cooker 200
Corresponding positioning outer lug boss 203 is set, the bottom face of the horizontal flange 109 of energy-saving cover 100 can be placed in outside the positioning of gas-cooker 200
On boss 203, fixed energy-saving cover 100 thus can be limited.
Wherein, the bottom end in bottom end heavy platform portion 108 can be formed with annular in-flanges 121, in order to be placed on gas-cooker 200
It positions on inner convex platform 202, while but also the bottom end aperture of centre bore 103 is less than top aperture.Centre bore 103 is not limited to cylinder
Shape hole is also possible to bellmouth etc..
Further, circumferentially spaced on the top surface of top expansion mouth 107 to have the through slot 105 radially extended.?
When energy-saving cover 100 is installed, as shown in figure 5, through slot 105 is removably set on the pan bracket 201 of gas-cooker 200.Due to
Gas-cooker 200 it is many kinds of, pan bracket 201 also correspondingly have different specifications, shape, the present embodiment use Fig. 7 institute
The pan bracket 201 shown.Quantity, size and the shape of through slot 105 can be according to the specific of the pan bracket 201 of different gas-cookers 200
Shape and flexibly set.By the way that through slot 105 is arranged, cooker can be directly placed on pan bracket 201, prevent energy-saving cover 100 with
Mobile skid occurs between cooker.
In the third preferred embodiment of the invention, as described in Figure 7, the radial outer end of through slot 105 is formed in upward
The elastic tongue piece 120 of flange shape, in the process of manufacture of energy-saving cover 100, the through slot 105 of energy-saving cover 100 is to cut tongue
Stamping procedure processing, open through-hole is through slot 105 after cutting tongue processing, cuts the material being not completely separated from after tongue processing and is located at
The radial outer end of through slot 105, the process that the material being not completely separated from passes through flange bending again form elastic tongue piece 120.Due to
Elastic tongue piece 120 is the material on 100 body of energy-saving cover, and the material of 100 substrate 102 of energy-saving cover is preferably stainless steel or aluminium etc.
Metal material, metal material by it is a degree of by compressive strain when elastic deformation can occur.
As shown in Figure 7, Figure 8, when in use, energy-saving cover 100 is set on the pan bracket of gas-cooker 200 by through slot 105
On 201.It is correspondingly provided with groove 204 in the supporting block of pan bracket 201 stretched out upwards, to install in energy-saving cover 100
When, due to gravity, flexible deformation occurs after being pressed for elastic tongue piece 120, and then can be connected to the groove of pan bracket 201
On 204, forms buckle-type and be located by connecting, it is more stable, firm to connect.
Correspondingly, the present invention also provides a kind of gas-cookers 200, and gas-cooker 200 is including pan bracket 201 and according to the present invention
Above-mentioned energy-saving cover 100, energy-saving cover 100 are set on pan bracket 201.It can be effectively using the gas-cooker 200 of the energy-saving cover 100
The heat radiation generated in combustion process is absorbed, and has effectively obstructed the heat radiation to non-cooker direction, heat greatly improved
The utilization rate of radiation, and this using the energy-saving cover 100 gas-cooker 200 it is simple for structure, the processing is simple, use when assembly and disassembly side
Just, there is extraordinary applicability.
The preferred embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the present invention is not limited to above-mentioned implementations
Detail in example can carry out a variety of simple changes to technical solution of the present invention within the scope of the technical concept of the present invention
Type, such as also rectangle, ellipse etc. may be selected in the shape of energy-saving cover 100, the surface covering 101 of energy-saving cover 100 can be high emission
The composite coating of rate and the material of substrate 102 can also be material adapted mode, gas-cooker 200 and the energy-saving cover 100 of aluminium alloy etc.
Also mounting means such as spring buckle etc. may be selected, these simple variants all belong to the scope of protection of the present invention.
It is further to note that each particular technique feature described in the above specific embodiment, in not contradiction
In the case where, it can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention is to various possibility
Combination no further explanation will be given.
In addition, any combination can also be carried out between a variety of different embodiments of the invention, as long as it is without prejudice to this hair
Bright thought, it should also be regarded as the disclosure of the present invention.
Claims (13)
1. a kind of energy-saving cover, which is characterized in that the energy-saving cover (100) is in a ring and including substrate (102) and towards combustion front
The surface covering (101) of setting, the emissivity of the base material of the substrate (102) is less than 0.5, the surface covering (101)
Coating material emissivity be greater than 0.5.
2. energy-saving cover according to claim 1, which is characterized in that the emissivity of the base material is 0~0.4, described
The emissivity of coating material is 0.7~1.
3. energy-saving cover according to claim 1, which is characterized in that the emissivity of the base material is 0~0.25, described
The emissivity of coating material is 0.8~1.
4. energy-saving cover according to claim 1, which is characterized in that the transmissivity of the coating material and the base material
It is 0~0.5, preferably 0~0.3, more preferably 0~0.1.
5. energy-saving cover according to claim 1, which is characterized in that the base material is stainless steel, the coating material
For black heat-resisting paint.
6. energy-saving cover according to claim 5, which is characterized in that the stainless steel is austenitic stainless steel.
7. energy-saving cover according to claim 1, which is characterized in that the base material is aluminium, and the coating material is
The black oxide film that aluminium is formed after anodic oxidation blackening.
8. energy-saving cover described according to claim 1~any one of 7, which is characterized in that the center of the energy-saving cover (100)
The internal perisporium (106) in hole (103) is formed with step groove structure (104), and the step groove structure (104) includes described interior
Multiple annular grooves of axially spaced setting on peripheral wall (106).
9. energy-saving cover according to claim 1, which is characterized in that the energy-saving cover (100) includes that the bottom end of land shape is heavy
The top edge of platform portion (108) and top expansion mouth (107), top expansion mouth (107) from the bottom end heavy platform portion (108) is oblique
The top edge of upper extension, the top expansion mouth (107) is formed with horizontal flange (109).
10. energy-saving cover according to claim 9, which is characterized in that on the top surface of the top expansion mouth (107) circumferentially
It is intervally distributed with the through slot (105) radially extended, it is in upper overturning shape that the radial outer end of the through slot (105), which is formed with,
Elastic tongue piece (120).
11. a kind of gas-cooker, which is characterized in that the gas-cooker (200) includes pan bracket (201) and according to claim 1~8
Any one of described in energy-saving cover (100), the energy-saving cover (100) is set on the pan bracket (201).
12. gas-cooker according to claim 11, which is characterized in that the energy-saving cover (100) includes the bottom end of land shape
The top edge of heavy platform portion (108) and top expansion mouth (107), top expansion mouth (107) from the bottom end heavy platform portion (108) is oblique
It upwardly extends, the top edge of the top expansion mouth (107) is formed with horizontal flange (109), the energy-saving cover (100) and the pot
The installation positioning surface of bracket (201) is the bottom surface in bottom end heavy platform portion (108) or the bottom surface of the horizontal flange (109).
13. gas-cooker according to claim 11, which is characterized in that along week on the top surface of the top expansion mouth (107)
To the through slot (105) radially extended is intervally distributed with, it is in upper overturning shape that the radial outer end of the through slot (105), which is formed with,
Elastic tongue piece (120), the branch outside of foot of the pan bracket (201) is equipped with short slot (201), elastic tongue piece (120) clamping
In the short slot (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811279125.7A CN109386855A (en) | 2018-10-30 | 2018-10-30 | Energy-saving cover and gas-cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811279125.7A CN109386855A (en) | 2018-10-30 | 2018-10-30 | Energy-saving cover and gas-cooker |
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| Publication Number | Publication Date |
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| CN109386855A true CN109386855A (en) | 2019-02-26 |
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ID=65428037
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811279125.7A Pending CN109386855A (en) | 2018-10-30 | 2018-10-30 | Energy-saving cover and gas-cooker |
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| CN110779066A (en) * | 2019-11-25 | 2020-02-11 | 徐州橙空间厨具有限公司 | Hearth heat insulation frame |
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Application publication date: 20190226 |
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