CN111998419A

CN111998419A - Energy gathering assembly and gas stove

Info

Publication number: CN111998419A
Application number: CN202010925573.0A
Authority: CN
Inventors: 柯情; 刘晓刚; 王帅东; 叶佳辉
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-11-27
Anticipated expiration: 2040-09-04
Also published as: CN111998419B

Abstract

The invention discloses an energy gathering assembly and a gas stove, and belongs to the technical field of gas stoves. The energy gathering assembly comprises a liquid containing disc, an energy gathering cover and a wind control piece. The energy-gathering cover is positioned on the liquid containing disc, and the lower end of the energy-gathering cover and the upper surface of the liquid containing disc enclose an air inlet; the wind control piece is detachably positioned between the liquid containing disc and the energy gathering cover, and the wind control piece partially shields the air inlet. When the gas pressure in user's house is big, the play gas volume of combustor is big, can dismantle first return bend to make more secondary air supply to the combustor, guarantee that fuel fully burns. When the gas pressure in the user's house is little, the play gas volume of combustor is little, can be with first return bend location to holding between liquid dish and the energy gathering cover to reduce secondary air's supply volume, reduced or avoided the secondary air surplus and the surplus secondary air produces the flue gas and takes away the heat.

Description

Energy gathering assembly and gas stove

Technical Field

The invention relates to the technical field of gas cookers, in particular to an energy collecting assembly and a gas stove.

Background

With the continuous development of gas appliance products, high-end gas stove products on the market are also pursuing larger heat load and higher heat efficiency, so that products with energy gathering covers, namely single-layer covers, double-layer covers and even multi-layer covers, appear. After the energy-gathering cover is adopted, the advantages can be brought: for example, the flue gas after combustion is separated from secondary air, so that the secondary air can be supplemented to the root of flame in a better and purer manner, and the heat efficiency is improved; for example, after the energy-gathering cover is added, a large part of hot air (thermal radiation and thermal convection) can be reduced from going to the panel.

Because the gas pressures of the household gas cookers are different, when the gas pressure is high, the gas output amount of the gas cooker is large, and the secondary air required by combustion is also large, a larger secondary air port is required to meet the combustion requirement; when the gas pressure is small, the gas output quantity of the gas stove is small, and the secondary air required by combustion is not much. But the prior art can not adapt to different air pressures.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a cumulative component and a gas stove.

The invention solves the technical problems through the following technical scheme:

a concentrator assembly, comprising:

the energy-gathering cover is positioned on the liquid containing disc, and the lower end of the energy-gathering cover and the upper surface of the liquid containing disc enclose an air inlet; and a process for the preparation of a coating,

the wind control piece is detachably positioned between the liquid containing disc and the energy gathering cover and partially shields the air inlet.

Preferably, the energy gathering assembly comprises a clamping piece, the clamping piece is fixed on the energy gathering cover or the liquid containing disc, and the wind control piece is buckled with the clamping piece.

Preferably, the clamping piece is a buckle, the root of the buckle is fixed to the energy gathering cover or the liquid containing disc, the middle of the buckle or the free end of the buckle is provided with a protrusion, the wind control piece is provided with a clamping hole, and the protrusion penetrates through the clamping hole and is clamped with the wind control piece.

Preferably, the wind control member is formed by continuously bending a plate to the same side for four times, and two ends of the plate are oppositely arranged and keep an interval after being bent, so that the clamping holes are formed.

Preferably, the wind control member has a narrow end and a wide end, and the clamping hole is located in the middle area of the wide end of the wind control member.

Preferably, the clamping pieces are two baffles fixed on the liquid containing disc, the baffles are arranged on the liquid containing disc at intervals in the radial direction, the lower end of the wind control piece is provided with an opening extending along the circumferential direction of the energy gathering cover, the baffles are covered on the opening by the wind control piece, and the baffles and the wind control piece are mutually limited in the vertical direction and in the radial direction of the liquid containing disc.

Preferably, the wind control member comprises an outer slope surface section, a middle transition section and an inner slope surface section which are connected in sequence, and the outer slope surface section and the inner slope surface section are both bent downwards relative to the middle transition section; the lower end of the outer slope surface section is bent towards the inner side of the wind control piece and is used for being connected with a baffle plate far away from the central shaft of the energy gathering cover; the lower end of the inner slope surface section is bent towards the inner side of the wind control piece and is used for being connected with another baffle.

Preferably, accuse wind spare is including structure of keeping out the wind, structure of keeping out the wind includes diaphragm and arc riser, the diaphragm be located on the flourishing liquid dish with gather between the energy cover, the arc riser is fixed in the one end of diaphragm, the upper end of arc riser with gather and hold the clearance with gather the energy cover, the lower extreme of arc riser with flourishing liquid dish keeps the clearance, be provided with the gas pocket on the diaphragm.

Preferably, the wind control member comprises a positioning ring, a plurality of wind shielding structures are arranged on the positioning ring at intervals in the circumferential direction, and the transverse plates are fixed on the positioning ring; the wind shielding structures correspond to the air inlets one to one.

Preferably, the holding ring includes vertical location portion and inclined plane location portion, vertical location portion for inclined plane location portion is buckled down, the diaphragm is fixed in the upper end of inclined plane location portion.

Preferably, the energy concentrating shield comprises:

an upper cover for reflecting heat radiation upward;

the lower cover is used for supporting the upper cover, the lower cover extends downwards from the outer ring to the inner ring of the lower cover and then extends upwards to form a cavity with an open upper part, the inner ring of the lower cover is lower than the outer ring of the lower cover, and the upper cover covers the cavity; and a process for the preparation of a coating,

the cover supporting legs are fixed on the lower cover and are arranged at intervals along the circumferential direction of the lower cover; the air inlet is surrounded by two adjacent cover support legs, the lower end of the lower cover and the liquid containing disc.

A gas cooktop comprising a concentrator assembly as claimed in any preceding claim.

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

The positive progress effects of the invention are as follows:

according to the invention, the air control piece is detachably positioned between the liquid containing disc and the energy gathering cover, the air inlet is partially shielded by the air control piece, and when the gas pressure is high and the gas output quantity of the gas stove is large, the first folding elbow pipe can be detached, so that more secondary air is supplied to the combustor, and the fuel is ensured to be fully combusted. When the gas pressure is small, the gas output quantity of the gas stove is small, and the first folding elbow can be positioned between the liquid containing disc and the energy collecting cover, so that the supply quantity of secondary air is reduced, and the surplus of the secondary air and the smoke generated by the surplus secondary air to take away heat are reduced or avoided.

Drawings

Figure 1 is a cross-sectional view of a concentrator assembly according to embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a concentrator assembly according to embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of a concentrator assembly according to embodiment 1 of the present invention applied to a gas range;

fig. 4 is a cross-sectional view of a concentrator assembly of embodiment 2 of the present invention applied to a gas range;

fig. 5 is a cross-sectional view of a concentrator assembly of embodiment 3 of the present invention applied to a gas range;

fig. 6 is a cross-sectional view of a concentrator assembly of embodiment 5 of the present invention applied to a gas range;

fig. 7 is a sectional view of a wind shielding structure of embodiment 5 of the invention.

Description of reference numerals:

gas kitchen ranges 1000

Energy concentrating assembly 100

Liquid containing tray 110

Energy gathering cover 120

Upper cover 121

Lower cover 122

Cover foot 123

First bent pipe 130

Second bent pipe 140

Outer slope surface section 141

Intermediate transition section 142

Inner slope surface section 143

Wind shielding structure 150

Horizontal plate 151

Arc riser 152

Air holes 153

Positioning ring 154

Vertical positioning part 1541

Bevel positioning part 1542

Air inlet 160

Fastener 170

Projection 171

Baffle 180

Burner 200

Detailed Description

The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.

Example 1

Please refer to fig. 1-3 to understand the present embodiment. Embodiment 1 of the present invention provides a concentrator assembly, which is disposed around a burner 200 of a gas range 1000, and the concentrator assembly 100 is used to reflect at least a part of heat radiation diffused from the burner 200 to a pot.

The concentrator assembly 100 includes a drip tray 110, a concentrator cap 120, and a wind control. The liquid containing tray 110 is ring-shaped, and has a through hole in the middle thereof to reserve an installation space for the burner 200. The liquid containing tray 110 is at least used for receiving overflowing liquid of the cooker so as to clean the gas stove 1000. The drip tray 110 is arranged coaxially with the burner 200 in this embodiment.

The energy-gathering cover 120 is used for reflecting heat radiation upwards to gather the heat radiation to the cookware, thereby realizing energy gathering and improving the heat efficiency. The liquid containing plate 110 is provided with a positioning groove, and the energy gathering cover 120 is positioned in the positioning groove, so that the stability of the energy gathering cover 120 is improved. The lower end of the concentrator cap 120 and the upper surface of the drip tray 110 enclose an air inlet 160 so that air outside the concentrator cap 120 can be replenished to the burner 200 via the air inlet 160.

In this embodiment, the wind-controlling member is a first bent pipe 130, the first bent pipe 130 is detachably positioned between the liquid containing tray 110 and the energy-gathering cover 120, and the first bent pipe 130 partially blocks the air inlet 160. Specifically, the first bent pipe 130 serves to block a portion of the intake port 160, and to reduce the size of the intake port 160, thereby controlling the amount of secondary air supplied to the combustor 200.

When the gas pressure in the user's home is large and the gas output amount of the burner 200 is large, the first bent pipe 130 can be detached, so that more secondary air is supplied to the burner 200, and the fuel is ensured to be sufficiently combusted. When the gas pressure in the home of the user is low and the gas output amount of the burner 200 is small, the first bent pipe 130 can be positioned between the liquid containing disc 110 and the energy collecting cover 120, so that the supply amount of secondary air is reduced, and the surplus of the secondary air and the heat brought away by smoke generated by the surplus secondary air are reduced or avoided.

In this embodiment, the first bent tube 130 is detachably connected to the energy collecting cover 120. The energy gathering assembly 100 comprises a clamping piece which is fixed on the energy gathering cover 120 or the liquid containing disc 110, and the first folding elbow pipe 130 is buckled with the clamping piece.

In this embodiment, the fastener 170 is a plate-shaped fastener 170, and extends along the circumferential direction of the energy collecting cover 120, and one plate surface of the fastener 170 faces the center of the energy collecting cover 120, and the other plate surface faces the outside of the energy collecting cover 120. The root of the buckle 170 is fixed to the energy collecting cover 120 or the liquid containing plate 110, the middle of the buckle 170 or the free end of the buckle 170 is provided with a protrusion 171, and preferably, the two plate surfaces of the buckle 170 are respectively provided with one protrusion 171. The first bent pipe 130 has a catching hole, and the protrusion 171 passes through the catching hole and catches the first bent pipe 130.

In this embodiment, the first bent pipe 130 is formed by bending a plate continuously toward the same side for four times, and two ends of the plate are oppositely disposed and spaced after bending, so as to form the fastening hole. The first bent tube 130 has a narrow end and a wide end, and the engaging hole is located in the middle of the wide end.

In this embodiment, the concentrator cap 120 includes an upper cap 121, a lower cap 122, and cap legs 123. The upper cover 121 serves to reflect heat radiation upward; the lower cover 122 is used for supporting the upper cover 121, the lower cover 122 extends downwards from the outer ring to the inner ring of the lower cover 122 and then extends upwards to form a cavity with an open upper part, the inner ring of the lower cover 122 is lower than the outer ring of the lower cover 122, and the upper cover 121 is overlapped on the inner ring of the upper cover 121 and the outer ring of the upper cover 121 and covers the cavity. The cover legs 123 are fixed on the lower cover 122, the cover legs 123 are arranged along the circumferential direction of the lower cover 122 at intervals, and the adjacent two cover legs 123, the lower end of the lower cover 122 and the liquid containing tray 110 enclose the air inlet 160.

Example 2

Please refer to fig. 4 for understanding the present embodiment. The present embodiments provide a concentrator assembly. The difference between this embodiment and embodiment 1 is that the root of the buckle 170 is fixed on the liquid containing tray 110, the wide end of the first bent pipe 130 is located below, the narrow end is located above, and a gap for the secondary air to circulate is provided between the narrow end of the first bent pipe 130 and the energy collecting cover 120.

Other structures of the energy collecting assembly 100 of the present embodiment are the same as those of embodiment 1, and will not be described again.

Example 3

Please refer to fig. 5 for understanding the present embodiment. Embodiment 3 of the present invention provides a concentrator assembly, which is disposed around the burner 200 of the gas range 1000, and the concentrator assembly 100 is used to reflect at least a part of the heat radiation diffused from the burner 200 to the pot.

In this embodiment, the wind-controlling member is a second bent tube 140, the second bent tube 140 is detachably positioned between the liquid containing tray 110 and the energy-gathering cover 120, and the second bent tube 140 partially blocks the air inlet 160. Specifically, the second bent tube 140 serves to block a portion of the air inlet 160, reduce the size of the air inlet 160, and thus control the amount of secondary air supplied to the combustor 200.

When the gas pressure in the user's home is high and the gas output amount of the burner 200 is large, the second elbow pipe 140 can be detached, so that more secondary air is supplied to the burner 200, and the fuel is ensured to be sufficiently combusted. When the gas pressure in the home of the user is low and the gas output amount of the burner 200 is small, the second bent pipe 140 can be positioned between the liquid containing disc 110 and the energy collecting cover 120, so that the supply amount of secondary air is reduced, and the surplus of the secondary air and the heat brought away by smoke generated by the surplus secondary air are reduced or avoided.

In this embodiment, the fastening member is composed of two baffles 180 fixed to the liquid containing tray 110, the two baffles 180 are spaced apart from each other in the radial direction of the liquid containing tray 110, the lower end of the second bent tube 140 has an opening extending along the circumferential direction of the energy collecting cover 120, the baffles 180 are covered by the second bent tube 140 at the opening, and the baffles 180 and the second bent tube 140 are limited in the up-down direction and the radial direction of the liquid containing tray 110. In other words, two baffles 180 are respectively clamped at two sides of the second bending pipe 140, the second bending pipe 140 is stretched at the opening by the two baffles 180, so that the second bending pipe 140 does not move in the radial direction of the energy-collecting cover 120, and the friction force between the second bending pipe 140 and the baffles 180 also ensures the stability of the second bending pipe 140 in other directions.

The second elbow bending pipe 140 includes an outer slope section 141, a middle transition section 142 and an inner slope section 143 connected in sequence, the outer slope section 141 and the inner slope section 143 both bend downwards relative to the middle transition section 142, the outer slope section 141 and the inner slope section 143 both form an obtuse angle with the middle transition section 142, in other words, the outer slope section 141 extends downwards and outwards (outwards from a central axis far away from the energy-concentrating cover 120, and vice versa) relative to the middle transition section 142, and the inner slope section 143 extends downwards and inwards relative to the middle transition section 142. The lower end of the outer slope section 141 is bent towards the inner side of the second bent pipe 140 and is used for being connected with a baffle 180 which is far away from the central axis of the energy-gathering cover 120; the lower end of the inner slope section 143 is bent toward the inner side of the second bent pipe 140 and is used to connect with another baffle 180. The two baffles 180 are also bent to enable the surfaces of the baffles 180 to be attached to the corresponding inner slope sections 143 or the corresponding outer slope sections 141, so that a better limiting effect is obtained, and the stability of the second bending pipe 140 is improved.

In this embodiment, the concentrator cap 120 includes an upper cap 121, a lower cap 122, and cap legs 123. The upper cover 121 serves to reflect heat radiation upward; the lower cover 122 is used for supporting the upper cover 121, the lower cover 122 extends downwards from the outer ring to the inner ring of the lower cover 122 and then extends upwards to form a cavity with an upward opening, the inner ring of the lower cover 122 is lower than the outer ring of the lower cover 122, and the upper cover 121 is overlapped on the inner ring of the upper cover 121 and the outer ring of the upper cover 121 and covers the cavity. The cover legs 123 are fixed on the lower cover 122, the cover legs 123 are arranged along the circumferential direction of the lower cover 122 at intervals, and the adjacent two cover legs 123, the lower end of the lower cover 122 and the liquid containing tray 110 enclose the air inlet 160.

Example 4

The present embodiments provide a concentrator assembly. The difference between this embodiment and embodiment 3 is that the fastening member of this embodiment is disposed on the energy-gathering cover 120, the opening of the second bent-back tube 140 is upward, and the middle transition section 142 of the second bent-back tube 140 is the lower end.

Other parts of the energy collecting assembly 100 of the present embodiment are the same as those of embodiment 3, and the description thereof is omitted.

Example 5

Please refer to fig. 6-7 for understanding the present embodiment. Embodiment 5 of the present invention provides a concentrator assembly, which is disposed around the burner 200 of the gas range 1000, and the concentrator assembly 100 is used to reflect at least a part of the heat radiation diffused from the burner 200 to the pot.

The air control member is removably positioned between the drip pan 110 and the concentrator cap 120, and partially blocks the air inlet 160. Specifically, the air control member is used to block a portion of the air inlet 160, and reduce the size of the air inlet 160, thereby controlling the amount of secondary air supplied to the combustor 200.

When the gas pressure in the user's home is large and the gas output amount of the burner 200 is large, the air control member can be detached, so that more secondary air is supplied to the burner 200, and the fuel is ensured to be sufficiently combusted. When the gas pressure in the user's home is low and the gas output of the burner 200 is low, the wind control member can be positioned between the liquid containing tray 110 and the energy collecting cover 120, so that the supply amount of secondary air is reduced, and the surplus of secondary air and the heat brought away by smoke generated by the surplus secondary air are reduced or avoided.

In this embodiment, the wind-control piece includes wind-shielding structure 150, and wind-shielding structure 150 includes horizontal plate 151 and arc riser 152, and horizontal plate 151 is located on liquid containing tray 110 and between gathering can 120, and arc riser 152 is fixed in the one end of horizontal plate 151, and the upper end of arc riser 152 is higher than horizontal plate 151, and the lower extreme is less than horizontal plate 151. The upper end of the arc-shaped vertical plate 152 keeps a gap with the energy gathering cover 120, the lower end of the arc-shaped vertical plate 152 keeps a gap with the liquid containing disc 110, and the transverse plate 151 is provided with the air passing holes 153, so that part of secondary air can be attached to the gap between the energy gathering cover 120 and the transverse plate 151 to be supplemented to the combustor 200, and part of secondary air can be attached to the gap between the liquid containing disc 110 and the transverse plate 151 to flow and pass through the air passing holes 153 to flow above the transverse plate 151 to be supplemented to the periphery of the combustor 200. The wind shielding structure 150 increases a contact area of the secondary air with the member and a flow path of the secondary air, thereby improving a preheating effect.

In this embodiment, the wind-controlling member further includes a positioning ring 154, a plurality of wind-blocking structures 150 are arranged at intervals on the circumferential direction of the positioning ring 154, and each transverse plate 151 is fixed on the positioning ring 154; the wind shielding structures 150 correspond to the air inlets 160 one by one, and the space between the adjacent wind shielding structures 150 is used for reserving installation space for installing the energy concentrating cover 120 on the liquid containing disc 110.

The positioning ring 154 includes a vertical positioning portion 1541 and a slope positioning portion 1542, the vertical positioning portion 1541 is bent downward with respect to the slope positioning portion 1542, and the horizontal plate 151 is fixed to the upper end of the slope positioning portion 1542. Specifically, the slope positioning part 1542 is annular, and the slope positioning part 1542 gradually extends downward from its inner ring to its outer ring. The vertical positioning portion 1541 is annular (may be understood as a cylindrical shape), and an upper end of the vertical positioning portion 1541 is connected to the slope positioning portion 1542. The inclined surface positioning portion 1542 and the vertical positioning portion 1541 are used for matching with a gas mixing chamber of the combustor 200, that is, the inclined surface positioning portion 1542 and the vertical positioning portion 1541 are attached to the gas mixing chamber or keep a slight interval with the gas mixing chamber. Through the stable position relation of confirming between inclined plane location portion 1542 and vertical location portion 1541 and the gas mixing chamber, even if be convenient for dismouting accuse wind piece, can guarantee the stability of accuse wind piece in the use again.

In this embodiment, the concentrator cap 120 includes an upper cap 121, a lower cap 122, and cap legs 123. The upper cover 121 serves to reflect heat radiation upward; the lower cover 122 is used for supporting the upper cover 121, the lower cover 122 extends downwards from the outer ring to the inner ring of the lower cover 122 and then extends upwards to form a cavity with an upward opening, the inner ring of the lower cover 122 is lower than the outer ring of the lower cover 122, and the upper cover 121 is overlapped on the inner ring of the upper cover 121 and the outer ring of the upper cover 121 and covers the cavity. The cover legs 123 are fixed on the lower cover 122, the cover legs 123 are arranged along the circumferential direction of the lower cover 122 at intervals, and the adjacent two cover legs 123, the lower end of the lower cover 122 and the liquid containing tray 110 enclose the air inlet 160. In addition, the space between the adjacent wind shielding structures 150 is a space reserved for the cover leg 123.

Example 6

Embodiment 6 of the present invention provides a gas stove, including the energy concentrating assembly 100 according to any one of the above embodiments.

The gas range 1000 further comprises a burner 200, and the relationship between the burner 200 and the energy collecting assembly 100 is the same as that of any of the above embodiments, which is not described herein again.

While specific embodiments of the invention have been described above, it will be appreciated 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 scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A concentrator assembly, comprising:

2. The energy concentrating assembly of claim 1, wherein the energy concentrating assembly comprises a clamping member, the clamping member is fixed on the energy concentrating cover or the liquid containing disc, and the wind control member is buckled with the clamping member.

3. The energy concentrating assembly of claim 2, wherein the clamping member is a buckle, the root of the buckle is fixed on the energy concentrating cover or the liquid containing plate, the middle part of the buckle or the free end of the buckle is provided with a protrusion, the air control member is provided with a clamping hole, and the protrusion penetrates through the clamping hole and is clamped with the air control member.

4. The energy concentrating assembly of claim 3, wherein the wind controlling member is formed by bending a plate continuously four times to the same side, and two ends of the plate are oppositely arranged and kept at a distance after bending, so as to form the clamping holes.

5. The energy concentrating assembly of claim 4, wherein the wind control member has a narrow end and a wide end, and the snap-in hole is located in a middle region of the wide end of the wind control member.

6. The energy concentrating assembly according to claim 2, wherein the clamping member is two baffle plates fixed on the liquid containing disc, the baffle plates are arranged at intervals in the radial direction of the liquid containing disc, the lower end of the wind control member is provided with an opening extending along the circumferential direction of the energy concentrating cover, the baffle plates are covered at the opening by the wind control member, and the baffle plates and the wind control member are mutually limited in the up-down direction and the radial direction of the liquid containing disc.

7. The energy concentrating assembly of claim 6, wherein the wind control member comprises an outer slope surface section, an intermediate transition section, and an inner slope surface section connected in series, each of the outer slope surface section and the inner slope surface section being bent downward relative to the intermediate transition section; the lower end of the outer slope surface section is bent towards the inner side of the wind control piece and is used for being connected with a baffle plate far away from the central shaft of the energy gathering cover; the lower end of the inner slope surface section is bent towards the inner side of the wind control piece and is used for being connected with another baffle.

8. The energy concentrating assembly of claim 1, wherein the wind control member comprises a wind shielding structure, the wind shielding structure comprises a transverse plate and an arc-shaped vertical plate, the transverse plate is positioned between the liquid containing plate and the energy concentrating cover, the arc-shaped vertical plate is fixed at one end of the transverse plate, the upper end of the arc-shaped vertical plate is in clearance with the energy concentrating cover, the lower end of the arc-shaped vertical plate is in clearance with the liquid containing plate, and the transverse plate is provided with a gas passing hole.

9. The energy concentrating assembly of claim 8, wherein the wind control member comprises a positioning ring, a plurality of wind blocking structures are arranged on the positioning ring at intervals in the circumferential direction, and each transverse plate is fixed on the positioning ring; the wind shielding structures correspond to the air inlets one to one.

10. The concentrator assembly of claim 9, wherein the positioning ring includes a vertical locating portion and a sloped locating portion, the vertical locating portion being bent downward relative to the sloped locating portion, the cross plate being fixed to an upper end of the sloped locating portion.

11. The concentrator assembly of any one of claims 1-10, wherein the concentrator cap comprises:

an upper cover for reflecting heat radiation upward;

the lower cover is used for supporting the upper cover, the lower cover extends downwards from the outer ring to the inner ring of the lower cover and then extends upwards to form a cavity with an open upper part, the inner ring of the lower cover is lower than the outer ring of the lower cover, and the upper cover covers the cavity of the lower cover; and a process for the preparation of a coating,

12. A gas burner comprising a concentrator assembly according to any one of claims 1 to 11.