CN213713163U

CN213713163U - Energy gathering cover and gas stove comprising same

Info

Publication number: CN213713163U
Application number: CN202022838853.6U
Authority: CN
Inventors: 杨萍
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-16
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an it is used for the gas-cooker to gather ability cover and contain its gas-cooker, should gather the ability cover, it has first annular wall body to gather the ability cover, it still has the cavity in the cover to gather, the cavity is isolated with external world, the cavity encircles the outer peripheral face of first annular wall body sets up, the cavity intussuseption is filled with the fluid that specific heat capacity is not higher than the outside air. The utility model discloses a set up the cavity that holds low specific heat capacity fluid on gathering can the cover, when the gas-cooker burning, fluid in the cavity can absorb the heat fast and accumulate the heat, the outer peripheral part that makes the first ring wall body that gathers can the cover forms a thermal-insulated interlayer that gathers can the heat accumulation fast, the heat that outwards gives off when burning the combustor accumulates, the encloser near the head of combustor has promoted the intensity that gathers can the heat radiation of cover, and then has promoted the efficiency of gas-cooker.

Description

Energy gathering cover and gas stove comprising same

Technical Field

The utility model relates to a cooking utensils field specifically relates to an it reaches gas-cooker that contains to gather can cover.

Background

The existing gas cooker is provided with an energy-gathering cover on the outer ring of a fire cover of a burner to improve the heat utilization rate and the heat efficiency. However, the existing general energy-gathering cover is only simply in the form of a baffle, so that heat generated by combustion is prevented from being dissipated quickly, or part of heat is reflected back, and although the effect of little energy gathering can be achieved, the effect is not very large, because a large part of heat is lost through heat exchange between the wall body of the energy-gathering cover and the outside, the energy-gathering effect of the energy-gathering cover of the existing gas stove is not very good.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the relatively poor defect of the ability effect of gathering the cover among the prior art, provide one kind and gather the gas-cooker that covers and contain it.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides an it covers to gather, is used for the gas-cooker, it has first ring wall body to gather to cover, it still has the cavity in the cover to gather, the cavity is isolated with external, the cavity encircles first ring wall body's outer peripheral face sets up, the cavity intussuseption is filled with the fluid that specific heat capacity is not higher than the outside air.

In the scheme, the energy-gathering cover is provided with the cavity for containing the fluid with low specific heat capacity, when the gas stove burns, the fluid in the cavity can quickly absorb heat and accumulate the heat, so that the outer peripheral part of the first annular wall body of the energy-gathering cover quickly forms a heat-insulating energy-gathering heat-accumulating interlayer, the heat dissipated outwards when the burner burns is accumulated, the energy-gathering cover is wrapped near the head of the burner, the intensity of heat radiation of the energy-gathering cover is improved, and the energy efficiency of the gas stove is further improved.

Preferably, the energy concentrating cover further comprises a second annular wall, the first annular wall is arranged on the inner side of the second annular wall, and the cavity is formed between the first annular wall and the second annular wall.

In this scheme, will gather to set up into bilayer structure and make bilayer structure's clearance formation cavity to cover, on the one hand can make the inside of cavity directly absorb heat through first annular wall body through the energy effect that gathers of bilayer wall body reinforcing gather the energy cover, on the other hand increases the temperature of the interior fluid of cavity fast, makes to gather and to cover and form thermal-insulated heat-gathering heat retaining interlayer fast.

Preferably, the bottom of the cavity is provided with a surrounding baffle which is arranged along the circumferential direction of the cavity.

In this scheme, enclose through the setting and keep off the heat that prevents the combustor bottom and outwards give off, reduce calorific loss.

Preferably, a plurality of through holes are formed in the surrounding baffle, and the through holes are arranged along the circumferential direction of the surrounding baffle.

In this scheme, lead to enclosing the fender inboard with outside air through enclosing the through-hole on keeping off, supply the required secondary air of gas-cooker burning, make the gas combustion more abundant, increase the thermal efficiency of gas.

Preferably, the energy gathering cover further comprises a plurality of supporting feet, and the supporting feet are arranged at the bottom of the energy gathering cover.

In this scheme, support the energy gathering cover through the supporting legs, avoid gathering the risk that the glass panel of energy gathering cover large tracts of land contact gas-cooker leads to the glass panel thermal stress of gas-cooker too big and appear bursting.

Preferably, the lower end of the supporting leg is provided with a heat insulation pad, and the heat insulation pad is used for being in direct contact with the table top of the stove of the gas stove.

In this scheme, set up the heat insulating mattress through the lower extreme at the supporting legs and avoid gathering the direct and cooking utensils mesa contact of supporting legs that gathers can cover, can avoid on the one hand to gather the heat transfer that gathers on the cover and give the cooking utensils mesa, lead to the too big production of glass material's cooking utensils mesa thermal stress to burst, on the other hand avoids gathering and covers the heat and is conducted away, influences gathering the energy effect that gathers can the cover.

Preferably, the cross-sectional area of the supporting leg gradually decreases from top to bottom.

In this scheme, adopt above-mentioned structure, reduce and gather thermal loss rate on covering.

Preferably, the middle part of the supporting leg is provided with a hollow part.

In this scheme, adopt above-mentioned structure, further reduce and gather thermal loss rate on covering.

Preferably, a side surface of the first annular wall body facing away from the cavity includes a first curved surface and a second curved surface, the first curved surface inclines from top to bottom toward the center direction of the energy-gathering cover, the second curved surface is connected with the lower end portion of the first curved surface, the second curved surface inclines from bottom to top toward the center direction of the energy-gathering cover, and the inclination angle of the first curved surface is greater than the inclination angle of the second curved surface.

In this scheme, first annular wall body adopts above-mentioned structure, through first curved surface and second curved surface with on the cooking utensil is used to the outside heat convection current of combustor head and the reverse gathering of heat of thermal radiation after to reduce calorific loss, promote the efficiency. And first curved surface and second curved surface form groove structure, can collect the liquid that overflows from cooking utensil, avoid inside the overflow flows to the combustor, also convenient cleanness.

A gas burner comprising a burner and a shaped energy concentrating cover as described above, the shaped energy concentrating cover being arranged around the burner.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a set up the cavity that holds low specific heat capacity fluid on gathering can the cover, when the gas-cooker burning, fluid in the cavity can absorb the heat fast and accumulate the heat, the outer peripheral part that makes the first ring wall body that gathers can the cover forms a thermal-insulated interlayer that gathers can the heat accumulation fast, the heat that outwards gives off when burning the combustor accumulates, the encloser near the head of combustor has promoted the intensity that gathers can the heat radiation of cover, and then has promoted the efficiency of gas-cooker.

Drawings

Fig. 1 is a schematic structural view of a power concentrating cover according to a preferred embodiment of the present invention.

Fig. 2 is a cross-sectional view of the concentrator cap of fig. 1.

Fig. 3 is a schematic structural view of a power concentrating cover according to another embodiment of the present invention.

Description of reference numerals:

first annular wall 100

First curved surface 101

Second curved surface 102

Second annular wall 200

Pot support 300

Cavity 400

Partition 401

Enclose fender 500

Through hole 501

Supporting foot 600

Hollow part 601

Heat insulation pad 602

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1-2, the energy-gathering cover of the present embodiment is used for a gas stove, the energy-gathering cover has a first annular wall body 100, a cavity 400 is further provided in the energy-gathering cover, the cavity 400 is isolated from the outside, the cavity 400 is disposed around the outer circumferential surface of the first annular wall body 100, and a fluid with a specific heat capacity not higher than that of the outside air is filled in the cavity 400.

In this embodiment, the fluid filled in the cavity 400 is air, and the specific heat capacity thereof is 1030J/(kg. DEG C.). Of course, it is also possible to fill the fluid with carbon dioxide or other fluid that heats up rapidly after absorbing heat.

By arranging the cavity 400 for containing the fluid with low specific heat capacity on the energy-gathering cover, when the gas stove is burnt, the fluid in the cavity 400 can quickly absorb heat and accumulate the heat, so that the outer periphery of the first annular wall body 100 of the energy-gathering cover quickly forms a heat-insulating energy-gathering and heat-accumulating interlayer, the heat dissipated outwards when the burner is burnt is accumulated and is wrapped near the head of the burner, the intensity of heat radiation of the energy-gathering cover is improved, and the energy efficiency of the gas stove is further improved.

As shown in fig. 1-2, the concentrator cap further includes a second annular wall 200, the first annular wall 100 being disposed inside the second annular wall 200, a cavity 400 being formed between the first annular wall 100 and the second annular wall 200.

The energy-gathering cover is arranged to be of a double-layer structure, and the gap of the double-layer structure forms the cavity 400, so that on one hand, the energy-gathering effect of the energy-gathering cover is enhanced through the double-layer wall body, on the other hand, the inside of the cavity 400 can directly absorb heat through the first annular wall body 100, the temperature of fluid in the cavity 400 is rapidly increased, and the energy-gathering cover can rapidly form a heat-insulating energy-gathering heat-accumulating interlayer.

In the present embodiment, the first and second

annular walls

100 and 200 are integrally formed from one plate material, and the first and second

annular walls

100 and 200 and the cavity 400 are formed by bending and welding.

In other embodiments, the first and second

annular walls

100 and 200 may be formed by welding two plates with the cavity 400 therebetween. Alternatively, cavity 400 is defined by separate sheets of material from first annular wall 100, and second annular wall 200 is disposed outside of cavity 400. Of course, other structural forms exist, and are not described in detail herein.

As shown in fig. 2, the bottom of the cavity 400 is provided with a barrier 500, and the barrier 500 is disposed along the circumference of the cavity 400. The heat at the bottom of the burner is prevented from being radiated outwards by arranging the enclosure 500, and the heat loss is reduced.

In this embodiment, the outer periphery of the dam 500 is coplanar with the outer periphery of the second annular wall 200, and the dam 500 extends vertically downward from the bottom of the cavity 400.

As shown in fig. 1 and 2, the enclosure 500 is provided with a plurality of through holes 501, and the plurality of through holes 501 are arranged along the circumferential direction of the enclosure 500.

Air outside the enclosure 500 is guided to the inner side of the enclosure 500 through the through hole 501, secondary air required by combustion of the gas stove is supplemented, the gas is combusted more fully, and the heat efficiency of the gas is increased.

This gather can cover can also utilize to enclose fender 500 to reflect back towards the flame department on combustor upper portion with the hot current of combustor lower part to the heat convection and the reverse of heat radiation to drive the gas flow near through-hole 501, and form the negative pressure at the inboard annex that encloses fender 500, play the effect that the convection was penetrated to the cold air that encloses the fender 500 outside, make secondary air change and supply through-hole 501 to the fire hole direction on the upper portion of combustor, make the gas combustion more abundant.

As shown in fig. 2, the energy concentrating cover further comprises a plurality of supporting feet 600, and the plurality of supporting feet 600 are arranged at the bottom of the energy concentrating cover. The energy-gathering cover is supported by the supporting legs 600, so that the risk of explosion caused by overlarge thermal stress of a glass panel of the gas stove due to the fact that the energy-gathering cover is in large-area contact with the panel of the gas stove is avoided.

In this embodiment, the bottom of the enclosure 500 is located above the bottom of the supporting leg 600, so that a gap is formed between the enclosure 500 and the panel of the cooker, on one hand, the direct contact between the enclosure 500 and the panel of the cooker is avoided to generate heat conduction, which affects the energy collecting effect of the energy collecting cover, and on the other hand, secondary air required for gas combustion can be supplemented to the inner side of the enclosure 500.

As shown in fig. 2, the lower end of the supporting foot 600 is provided with a heat insulation pad 602, and the heat insulation pad 602 is used for directly contacting with the top of the gas stove. The supporting leg 600 of the energy gathering cover is prevented from directly contacting with the table board of the cooker by arranging the heat insulation pad 602 at the lower end of the supporting leg 600, on one hand, heat on the energy gathering cover can be prevented from being transferred to the table board of the cooker, the table board of the cooker made of glass is caused to burst due to overlarge thermal stress, and on the other hand, the heat on the energy gathering cover is prevented from being conducted out, so that the energy gathering effect of the energy gathering cover is. Wherein the heat insulation pad 602 is made of rubber, wood and other non-heat conductive materials.

As shown in fig. 2, in the present embodiment, the area of the cross section of the supporting foot 600 gradually decreases from top to bottom, and a hollow portion 601 is disposed in the middle of the supporting foot 600. By adopting the structure, the loss rate of heat on the energy gathering cover can be reduced.

As shown in fig. 1, in the present embodiment, a side surface of the first annular wall 100 facing away from the cavity 400 includes a first curved surface 101 and a second curved surface 102, the first curved surface 101 is inclined from top to bottom toward the center of the energy concentrating cover, the second curved surface 102 is connected to a lower end of the first curved surface 101, the second curved surface 102 is inclined from bottom to top toward the center of the energy concentrating cover, and an inclination angle of the first curved surface 101 is greater than an inclination angle of the second curved surface 102.

In this embodiment, the first annular wall 100 adopts the above structure, and the heat of the outward heat convection and the heat radiation of the burner head is reversely gathered by the first curved surface 101 and the second curved surface 102 and then applied to the cooking utensil, so that the heat loss is reduced, and the energy efficiency is improved. And the first curved surface 101 and the second curved surface 102 form a groove structure, so that liquid overflowing from the cooking utensil can be collected, the overflow is prevented from flowing into the combustor, and the cleaning is convenient.

As shown in fig. 1 and 2, in the present embodiment, the energy collecting cover is further provided with four pan support legs 300 for supporting the pan, the pan support legs 300 are provided on the first annular wall 100, and the four pan support legs 300 are distributed along the circumferential direction of the first annular wall 100.

The embodiment also discloses a gas stove, which comprises a combustor and the energy-gathering cover, wherein the energy-gathering cover is arranged around the combustor.

Example 2

The structure of the power concentrating cover of the present embodiment is substantially the same as that of the power concentrating cover of embodiment 1, except that: as shown in fig. 3, in the present embodiment, a plurality of partitions 401 are disposed in the cavity 400, and the partitions 401 divide the cavity 400 into a plurality of chambers that are not communicated with each other. By dividing the cavity 400 into multiple separate chambers, the flow of fluid within the cavity 400 is reduced between the chambers for better thermal insulation.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides an it covers to gather, is used for the gas-cooker, it has first annular wall body to gather, its characterized in that, it still has the cavity in the cover to gather, the cavity is isolated with external, the cavity encircles first annular wall body's outer peripheral face sets up, the cavity intussuseption is filled with the fluid that specific heat capacity is not higher than the outside air.

2. The concentrator cap of claim 1, further comprising a second annular wall, the first annular wall being disposed inboard of the second annular wall, the first annular wall and the second annular wall forming the cavity therebetween.

3. The energy concentrating cover according to claim 1, wherein the bottom of the cavity is provided with a fence, and the fence is arranged along the circumference of the cavity.

4. The energy concentrating cover according to claim 3, wherein a plurality of through holes are formed in the enclosure, and the plurality of through holes are arranged along the circumferential direction of the enclosure.

5. The shaped charge shield of claim 1, further comprising a plurality of support feet, the plurality of support feet being disposed at a bottom of the shaped charge shield.

6. The energy concentrating cover according to claim 5, wherein the lower end of the supporting foot is provided with a heat insulating pad for directly contacting with the top of the gas stove.

7. The shaped cap as claimed in claim 5, wherein the cross-sectional area of the support foot decreases from top to bottom.

8. The energy concentrating cover of claim 5, wherein a hollowed-out portion is provided in the middle of the support foot.

9. The energy concentrating cover according to claim 1, wherein a side surface of the first annular wall body facing away from the cavity comprises a first curved surface and a second curved surface, the first curved surface is inclined from top to bottom toward the center of the energy concentrating cover, the second curved surface is connected with a lower end portion of the first curved surface, the second curved surface is inclined from bottom to top toward the center of the energy concentrating cover, and the inclination angle of the first curved surface is larger than that of the second curved surface.

10. A gas burner comprising a burner and a shaped hood as claimed in any one of claims 1 to 9, said shaped hood being arranged around said burner.