CN116085833A

CN116085833A - Integrated kitchen

Info

Publication number: CN116085833A
Application number: CN202310164757.3A
Authority: CN
Inventors: 王帅东; 刘晓刚; 余参参; 俞瑜
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-05-09

Abstract

The utility model relates to an integrated kitchen, comprising an integrated kitchen body, wherein an opening for the inflow of external cold air is formed on the integrated kitchen body, a fan is arranged in the integrated kitchen body, the fan is provided with a fan inlet and a fan outlet, the fan inlet is used for sucking hot air formed by the external cold air passing through the inside of the integrated kitchen body, and the fan outlet is also connected with an air supply duct for delivering air flowing out from the fan outlet, compared with the prior art, the integrated kitchen has the advantages that: through having set up the fan in the integrated kitchen body, outside cold air flows into the integrated kitchen body through the opening in, and the hot air that cold air formed through the part in the integrated kitchen body can be inhaled by the fan import, finally flows to the supply air duct, and the hot air flows out through the second supply air outlet on the one hand can reduce the internal temperature of integrated kitchen, guarantees the radiating effect of integrated kitchen, and the hot air on the other hand provides the primary air that the injection pipe passed through the preheating, can improve the combustion efficiency of combustor in the integrated kitchen.

Description

Integrated kitchen

Technical Field

The utility model relates to the technical field of household kitchen ware, in particular to an integrated kitchen range with stable combustion.

Background

The existing integrated kitchen is a kitchen appliance integrating multiple functions such as a range hood, a gas kitchen, an electromagnetic kitchen, a steam box, an oven, a disinfection cabinet and the like, and has the advantages of space saving, good smoke discharging effect, energy saving, low consumption, environment friendliness and the like, but the embedded modules such as a heat dissipation exhaust fan, a burner and the like of the integrated kitchen in the prior art are inconvenient to disassemble and assemble, so that the integrated kitchen structure with the burner disclosed by the utility model in China (patent number ZL 202021361258.1) (the authorized bulletin number is CN 212657759U) comprises an integrated kitchen rack and two burner bodies arranged on the integrated kitchen rack at intervals, and the integrated kitchen rack is internally provided with the heat dissipation exhaust fan and the intelligent steam box; wherein, the combustor body can be dismantled with integrated kitchen frame and be connected, and the heat dissipation exhaust fan can be dismantled with integrated kitchen frame and be connected, and this heat dissipation exhaust fan includes fan body and spiral case body, and the spiral case body is provided with total air outlet, and the spiral case body is broken, broken up by the flat panel section owing to be provided with the flat panel section through the wind in the spiral case body, reduces the continuous flow of wind flow, overcomes traditional fan and all is arc or spiral vanning, wind flow and causes the great problem of noise in succession. When the temperature in the integrated kitchen is high, although the opening of this heat dissipation exhaust fan can play certain heat dissipation effect, nevertheless also make the integrated kitchen form the negative pressure easily, if the combustor is selected to be down air inlet combustor, because the negative pressure forms and makes external air more easily by the entrainment and dispel the heat, like this cooking utensils combustor ejector can not normally draw the required air of burning, and then makes cooking utensils can not normally work.

In addition, if the burner is selected as the lower air inlet burner, the burner generally comprises a burner, a base, an inner ring fire cover and an outer ring fire cover, wherein an inner ring gas outlet and an outer ring gas outlet are formed in the upper portion of the burner, an inner ring channel, an outer ring channel and an inner ring secondary air supplementing channel are respectively arranged on the base from inside to outside, the base is arranged on the upper portion of the burner, the inner ring channel and the outer ring channel on the base are respectively communicated with the inner ring gas outlet and the outer ring gas outlet on the burner, and the inner ring fire cover and the outer ring fire cover are respectively arranged on the upper portions of the inner ring channel and the outer ring channel of the base. For example, in chinese utility model "burner for gas cooker" with patent number ZL201921355862.0 (grant publication number CN 210861199U), the inner ring fire cover is a mesh fire cover, and the center of the base is provided with a gas channel penetrating up and down, and the gas channel is directly communicated with the inner ring fire cover, so that the fire of the mesh fire cover is too fast, and the center of the bottom of the pot is easily darkened, which needs to be further improved.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide the integrated stove which can effectively dissipate heat and can not influence the primary air introduced by the injection pipe at the same time aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide the integrated stove capable of effectively radiating heat and introducing preheated primary air into the injection pipe at the same time aiming at the current state of the art.

The third technical problem to be solved by the utility model is to provide an integrated stove which can fully supplement primary air and prevent the burner from generating too fast fire, in particular to a mesh fire cover.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: this integrated kitchen, including integrated kitchen body, offered the opening that supplies outside cold air inflow on this integrated kitchen body, its characterized in that: the integrated kitchen is characterized in that a fan is arranged in the integrated kitchen, the fan is provided with a fan inlet and a fan outlet, the fan inlet is used for sucking external cold air through hot air formed after the inside of the integrated kitchen, an air supply duct used for supplying air flowing out of the fan outlet is further connected to the fan outlet, the air supply duct comprises a first air supply outlet and a second air supply outlet, the first air supply outlet is communicated with an air inlet end of an injection pipe used for injecting fuel gas and primary air, and the second air supply outlet is communicated with the environment outside the integrated kitchen.

In order to solve the second technical problem, preferably, along the air flow direction of the air supply duct, the air supply duct is divided into a straight portion and a diffusion portion according to a change of a cross section, the first air supply outlet is disposed on the straight portion, and the second air supply outlet is disposed on the diffusion portion. The second air supply outlet is arranged on the diffusion part, the diffusion part is a part with gradually enlarged sectional area, the speed of hot air flowing to the external environment can be weakened, the first air supply outlet is arranged on the straight part positioned at the upstream of the diffusion part, the heat loss of the hot air can be avoided, and the hot air can be ejected into the air inlet end of the ejector pipe to the greatest extent before flowing to the external environment, so that the energy efficiency is improved.

In order to better send the hot air to the air inlet end of the injection pipe, preferably, the first air supply port is connected with a first air supply pipe, and the first air supply pipe guides the air of the straight part upwards and horizontally.

Further, the first air supply pipe is provided with a vertical part perpendicular to the straight part and a transverse part parallel to the straight part, and an opening of the transverse part is communicated with an air inlet end of the injection pipe.

In order to send the hot air to the environment outside the integrated cooker body, preferably, the integrated cooker body is provided with a circulation port corresponding to the second air supply outlet, which is communicated with the environment outside the integrated cooker body.

To solve the third technical problem, preferably, the fan is disposed in the center of the integrated stove body, and burners are respectively disposed at two sides of the fan, each of the burners including

The base comprises a bottom wall and a convex wall extending upwards from the periphery of the bottom wall, and a concave cavity is formed by the convex wall and the bottom wall in a surrounding mode;

the connecting plate is covered on the concave cavity, at least two communication holes communicated with the concave cavity are also formed in the circumferential direction of the connecting plate, and an extension wall extends upwards from the periphery of the communication hole;

the outer ring gas mixing chamber comprises an inner ring wall surface, an outer ring wall surface and a bottom wall part, wherein the inner ring wall surface and the outer ring wall surface are annularly arranged at intervals concentrically, the bottom wall part is connected with the inner ring wall surface and the outer ring wall surface, an outer ring fire cover is covered above the inner ring wall surface and the outer ring wall surface, and a through hole communicated with the communication hole is formed in the bottom wall part;

and also comprises

The internal combustion gas channel is also independently arranged in the concave cavity of the base compared with the outer ring gas mixing chamber, and correspondingly, a connecting part for connecting the internal combustion gas channel is arranged on the base;

the mesh fire cover is arranged on the internal combustion gas channel;

the air guide channel is arranged on the connecting part and is communicated with the outer ring air mixing chamber and the internal combustion air channel; and

the injection pipe is communicated with the concave cavity of the base, and the air inlet end of the injection pipe is communicated with the first air supply outlet.

Through the design air duct will follow the gas mixture that gas and primary air constitute in the outer loop air mixing chamber and divide into in the gas duct to can avoid causing out too big and too urgent problem of fire because of setting up in the gas duct alone, the mesh type fire lid that is located the central authorities like this can effectively avoid out the too fast and the current situation of easily burning black pot bottom of fire, and the air inlet end of injection pipe communicates with the first air supply export in air supply wind channel, then can provide hot primary air for the combustor, help improving the combustion efficiency of combustor.

Further, the connecting portion is an annular portion having a ring shape, and the internal combustion gas passage is connected in the annular portion.

In order to realize that the burner can heat the bottom of the pan more uniformly, preferably, a middle ring fire cover is further arranged between the outer ring fire cover and the mesh fire cover, the middle ring fire cover and the mesh fire cover are integrally arranged, and a middle gas channel communicated with the middle ring fire cover is formed by the interval between the annular part and the internal gas channel. The mesh fire cover and the middle ring fire cover are integrally arranged, so that the burner can be provided with a middle and outer two-ring fire and a mesh fire cover positioned in the center simultaneously while the burner is convenient to process, and the bottom of the pot can be heated more uniformly.

In order to realize the communication between the mesh fire cover and the gas passage of the middle ring fire cover, preferably, the center of the connecting plate is provided with a central connecting pipe for connecting the mesh fire cover, the lower end of the central connecting pipe is abutted on the internal gas passage, the center of the connecting plate is also provided with an outer annular wall at intervals on the periphery of the central connecting pipe, and a communication passage communicated with the middle gas passage is formed between the outer annular wall and the outer wall of the central connecting pipe.

Because the mesh fire cover and the middle ring fire cover are integrally arranged, preferably, the middle ring fire cover comprises an annular wall and a top wall covering the annular wall, a central hole communicated with the central connecting pipe is formed in the center of the top wall, the hole wall of the central hole extends downwards to form a connecting pipe connected with the central connecting pipe, and the mesh fire cover covers the central hole. The central hole is formed in the top wall of the middle ring fire cover, and the connecting pipe extending out of the central hole is used for finally realizing the communication with the central connecting pipe of the connecting plate and the internal combustion gas channel, so that the mesh fire cover can smooth fire.

In order to prevent the influence of the overflow liquid on the mesh fire cover or the medium ring fire cover, preferably, a concave ring for containing the overflow liquid is formed on the top wall in a downward concave manner at the periphery of the mesh fire cover. The overflow liquid generated in the cooking process can flow into the concave ring, and can reduce the flow to the mesh fire cover and flow to the outside, and the overflow liquid can reduce the flow to the middle fire hole of the middle fire cover.

In order to achieve the fire discharge of the outer ring fire cover and the inner ring fire cover, the outer ring fire cover is preferably annular in form, at least two outer fire holes are arranged at intervals along the circumferential direction, and at least two middle fire holes are arranged at intervals along the circumferential direction.

In order to independently control the outer ring fire and the middle ring fire, preferably, the concave cavity of the base is communicated with an outer injection pipe, and the middle gas channel is communicated with an inner injection pipe.

Compared with the prior art, the utility model has the advantages that: through having set up the fan in the integrated kitchen body, outside cold air flows into the integrated kitchen body through the opening in, and the hot air that cold air formed through the part in the integrated kitchen body can be inhaled by the fan import, finally flows to the supply air duct, and the hot air flows out through the second supply air outlet on the one hand can reduce the internal temperature of integrated kitchen, guarantees the radiating effect of integrated kitchen, and the hot air on the other hand flows out through first supply air outlet and can supply the income gas port end of injection pipe, is equivalent to providing the primary air that the injection pipe was preheated, can improve the combustion efficiency of combustor in the integrated kitchen.

Drawings

FIG. 1 is a schematic view of an integrated kitchen range according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of a blower and a blower duct (the blower only shows a blower inlet and a blower outlet) according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a burner according to an embodiment of the present utility model;

FIG. 5 is an exploded schematic view of FIG. 4;

FIG. 6 is a schematic view of a burner resting on a cooktop panel in an embodiment of the utility model;

FIG. 7 is a partial cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of a base structure according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view of FIG. 8;

FIG. 10 is a schematic structural view of a connecting plate according to an embodiment of the present utility model;

FIG. 11 is a cross-sectional view of an annular fire cover in an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 11, which are preferred embodiments of the present utility model. In this embodiment, the integrated kitchen includes an integrated kitchen body 200, an opening 201 for inflow of external cold air is formed on the integrated kitchen body 200, a fan 300 is disposed in the integrated kitchen body 200, the fan 300 has a fan inlet 301 and a fan outlet 302, the fan inlet 301 is used for sucking hot air formed by external cold air after passing through the inside of the integrated kitchen body 200, and an air supply duct 400 for delivering air flowing out of the fan outlet 302 is further connected to the fan outlet 302, the air supply duct 400 includes a first air supply outlet 401 and a second air supply outlet 402, the first air supply outlet 401 is communicated with an air inlet end of an injection pipe for injecting gas and primary air, the second air supply outlet 402 is communicated with an environment outside the integrated kitchen body 200, correspondingly, the integrated kitchen body 200 is provided with a ventilation port 202 corresponding to the second air supply outlet 402, and a dotted arrow of fig. 2 can be referred to, so as to show a flow path of the hot air.

Along the air flow direction of the air supply duct 400, the air supply duct 400 is divided into a straight portion 403 and a diffuser 404 according to the change of the cross section, the first air supply outlet 401 is disposed on the straight portion 403, and the second air supply outlet 402 is disposed on the diffuser 404. The second air supply outlet 402 is disposed on the diffusion portion 404, where the diffusion portion 404 is a portion with gradually enlarged cross-sectional area, so that the speed of the hot air flowing to the external environment can be reduced, and the first air supply outlet 401 is disposed on the straight portion 403 located at the upstream of the diffusion portion 404, so that the heat loss of the hot air can be avoided, and the hot air can be ejected into the air inlet end of the ejector tube to the greatest extent before flowing to the external environment, thereby improving energy efficiency. In addition, in order to better send the hot air to the air inlet end of the ejector tube, the first air supply outlet 401 is connected with a first air supply tube 405, the first air supply tube 405 guides the air of the straight portion 403 upwards and horizontally, specifically, a vertical portion 406 perpendicular to the straight portion 403 and a transverse portion 407 parallel to the straight portion 403 of the first air supply tube 405, the opening 201 of the transverse portion 407 is communicated with the air inlet end of the ejector tube, and finally, the hot air is sent to the air inlet end of the ejector tube in the burner.

As shown in fig. 4 to 11, the burner of the present embodiment comprises a base 1 including a bottom wall 11 and a convex wall 12 extending upward from the periphery of the bottom wall 11, wherein the convex wall 12 and the bottom wall 11 enclose a cavity 13, and a connection plate 2 is covered on the cavity 13, the connection plate 2 is also provided with at least two communication holes 21 communicating with the cavity 13 along the periphery, the periphery of the communication hole 21 extends upward with an extension wall 22, for forming an outer ring fire conveniently, an outer ring gas mixing chamber 3 is also included, the outer ring gas mixing chamber 3 includes an inner ring wall 31 and an outer ring wall 32 which are annularly and concentrically arranged at intervals, and a bottom wall 33 connecting the inner ring wall 31 and the outer ring wall 32, an outer ring fire cover 4 is covered above the inner ring wall 31 and the outer ring wall 32, a through hole 34 communicating with the communication hole 21 is provided on the bottom wall 33, for forming a central fire conveniently, wherein the internal combustion gas channel 5 is also independently arranged in the concave cavity 13 of the base 1 compared with the external ring gas mixing chamber 3, correspondingly, the base 1 is provided with a connecting part 10 for connecting the internal combustion gas channel 5, the connecting part 10 is provided with a gas guide channel 7, the gas guide channel 7 is communicated with the external ring gas mixing chamber 3 and the internal combustion gas channel 5, and the gas guide channel 7 is designed to shunt the mixed gas formed by the gas and the primary air in the external ring gas mixing chamber 3 into the internal combustion gas channel 5, thereby avoiding the problems of overlarge and urgent fire caused by independently arranging the internal combustion gas channel 5, effectively avoiding the current situation that the central mesh fire cover 6 can effectively avoid the overlarge fire and easily burn the bottom of a pan, and the concave cavity of the base is communicated with an injection pipe, the gas inlet end of the injection pipe is communicated with the first air supply outlet, so as to provide the hot primary air for the burner, which contributes to improving the combustion efficiency of the burner.

Specifically, the connection portion 10 of the present embodiment is an annular portion having an annular shape, and the internal combustion gas passage 5 is connected in the annular portion. And in order to realize that the burner can heat the bottom of the pan more evenly, a middle ring fire cover 8 is also arranged between the outer ring fire cover 4 and the mesh fire cover 6, the middle ring fire cover 8 and the mesh fire cover 6 are integrally arranged, and a middle gas channel 9 communicated with the middle ring fire cover 8 is formed by the interval between the annular part and the internal gas channel 5. The mesh fire cover 6 and the middle ring fire cover 8 are integrally arranged, so that the burner can be provided with the middle and outer two-ring fires and the mesh fire cover 6 positioned in the center simultaneously while the burner is convenient to process, and the bottom of the pot can be heated more uniformly. In order to communicate the gas passages of the mesh fire cover 6 and the middle ring fire cover 8, a central connection pipe 23 for connecting the mesh fire cover 6 is provided at the center of the connection plate 2, the lower end of the central connection pipe 23 abuts against the inner gas passage 5, an outer annular wall 24 is provided at the center of the connection plate 2 at intervals on the outer periphery of the central connection pipe 23, and a communication passage 25 communicating with the middle gas passage 9 is formed between the outer annular wall 24 and the outer wall of the central connection pipe 23. Further, since the mesh fire cover 6 and the middle ring fire cover 8 are integrally provided, the middle ring fire cover 8 includes an annular wall 81 and a top wall 82 covering the annular wall 81, a central hole 83 communicating with the central connection pipe 23 is provided in the center of the top wall 82, a connecting pipe 84 connecting with the central connection pipe 23 is formed by extending the hole wall of the central hole 83 downward, and the mesh fire cover 6 covers the central hole 83. Through the central hole 83 formed in the top wall 82 of the middle fire cover 8 and the connecting pipe 84 extending out through the central hole 83, the communication with the central connecting pipe 23 of the connecting plate 2 and the internal combustion gas channel 5 is finally realized, so that the mesh fire cover 6 can release fire smoothly.

In order to prevent the influence of the spilled liquid on the mesh fire cover 6 or the middle ring fire cover 8, the top wall 82 is also recessed downwards on the periphery of the mesh fire cover 6 to form a ring of concave rings 85 for containing the spilled liquid. The overflow generated during cooking can flow into the concave ring 85, and the overflow can reduce the flow to the mesh fire cover 6 and the overflow can reduce the flow to the middle fire hole 80 of the middle fire cover 8. Finally, in order to achieve the fire exit of the outer ring fire cover 4 and the inner ring fire cover, preferably in the form of rings, the outer ring fire cover 4 is provided with at least two outer fire holes 40 circumferentially spaced apart, while the middle ring fire cover 8 is provided with at least two middle fire holes 80 circumferentially spaced apart. And for independent control of the outer and middle fires, the cavity 13 of the base 1 is connected with an outer injection pipe 90, while the middle gas channel 9 is connected with an inner injection pipe 100.

To sum up, the mixed gas formed by the fuel gas and the primary air which are ejected by the outer ejecting pipe 90 enters the outer ring gas mixing chamber 3 through the through holes 34 formed in the bottom wall 11 of the outer ring gas mixing chamber 3 after passing through the concave cavity 13 of the base 1, the through holes 21 of the connecting plate 2 to the extension wall 22, and finally flows out from the outer ring fire cover 4 and burns together with external secondary air to form outer ring fire; the mixed gas composed of the fuel gas and the primary air which are ejected by the inner ejecting pipe 100 flows to the middle ring fire cover 8 after passing through the communication channel 25 to the middle fuel gas channel 9, flows out of the middle ring fire cover 8 and is combusted together with external secondary air to form middle ring fire; the mixed gas formed by the gas and the primary air in the outer ring gas mixing chamber 3 is shunted into the internal combustion gas channel 5 through the gas guide channel 7, then the mixed gas is downwards extended to the central connecting pipe 23 on the connecting plate 2 and finally to the hole wall of the central hole 83 to form the phase connection pipe 84 connected with the central connecting pipe 23 so as to form a gas supply channel of the mesh fire cover 6, finally, the primary air in the embodiment is hot air, a fan is additionally arranged in the integrated stove body, external cold air flows into the integrated stove body through an opening, the hot air formed by the cold air passing through components in the integrated stove body 1 can be sucked by the fan inlet 301 and finally flows into the air supply channel 400, the hot air flows out through the second air supply outlet 402 on one hand, the heat dissipation effect of the integrated stove body 1 can be reduced, the hot air flows out through the first air supply outlet 401 and can be supplied to the gas inlet end of the injection pipe, which is equivalent to the primary air provided for the pipe to be preheated, and the combustion efficiency of the burner in the integrated stove can be improved.

Claims

1. An integrated kitchen comprises an integrated kitchen body (200), wherein an opening (2 outlet (401) for external cold air to flow in and a second air supply outlet (402) are formed in the integrated kitchen body (200), the first air supply outlet (401) is communicated with an air inlet end of an injection pipe (90; 100) for injecting fuel gas and primary air, and the second air supply outlet (402) is communicated with the environment outside the integrated kitchen body (200).

2. The integrated stove of claim 1 wherein: along the air flow direction of the air supply duct (400), the air supply duct (400) is divided into a straight part (403) and a diffusion part (404) according to the change of the cross section, the first air supply outlet (401) is arranged on the straight part (403), and the second air supply outlet (402) is arranged on the diffusion part (404).

3. The integrated cooktop of claim 2, wherein: the first air outlet (401) is connected with a first air supply pipe (405), and the first air supply pipe (405) guides the air of the straight part (403) upwards and horizontally.

4. The integrated cooktop of claim 3, wherein: the first air supply pipe (405) is provided with a vertical part (406) perpendicular to the straight part (403) and a transverse part (407) parallel to the straight part (403), and an opening (201) of the transverse part (407) is communicated with an air inlet end of the injection pipe (90; 100).

5. The integrated cooker according to any one of claims 2 to 4, wherein: the integrated kitchen body (200) is provided with a circulation port (202) which is communicated with the environment outside the integrated kitchen body (200) corresponding to the second air supply outlet (402).

6. The integrated cooktop of claim 5, wherein: the fan (300) is arranged in the center of the integrated kitchen body (200), and the two sides of the fan (300) are respectively provided with a burner, each burner comprises

The base (1) comprises a bottom wall (11) and a convex wall (12) extending upwards from the periphery of the bottom wall (11), wherein a concave cavity (13) is formed by the convex wall (12) and the bottom wall (11);

the connecting plate (2) is covered on the concave cavity (13), at least two communication holes (21) communicated with the concave cavity (13) are formed in the connecting plate (2) along the circumferential direction, and extension walls (22) extend upwards from the periphery of the communication holes (21);

the outer ring gas mixing chamber (3) comprises an inner ring wall surface (31) and an outer ring wall surface (32) which are annular and concentrically arranged at intervals, and a bottom wall part (33) for connecting the inner ring wall surface (31) and the outer ring wall surface (32), wherein an outer ring fire cover (4) is covered above the inner ring wall surface (31) and the outer ring wall surface (32), and a through hole (34) communicated with the communication hole (21) is formed in the bottom wall part (33);

and also comprises

The internal combustion gas channel (5) is also independently arranged in a concave cavity (13) of the base (1) compared with the external ring gas mixing chamber (3), and correspondingly, a connecting part (10) for connecting the internal combustion gas channel (5) is arranged on the base (1);

a mesh fire cover (6) arranged on the internal combustion gas channel (5),

and the air guide channel (7) is arranged on the connecting part (10) and is communicated with the outer ring air mixing chamber (3) and the internal combustion air channel (5).

7. The integrated cooktop of claim 6, wherein: the connecting portion (10) is an annular portion having a ring shape, and the internal combustion gas passage (5) is connected in the annular portion.

8. The integrated cooktop of claim 7, wherein: the middle ring fire cover (8) is further arranged between the outer ring fire cover (4) and the mesh fire cover (6), the middle ring fire cover (8) and the mesh fire cover (6) are integrally arranged, and a middle gas channel (9) communicated with the middle ring fire cover (8) is formed by the annular part and the interval between the internal gas channels (5).

9. The integrated cooktop of claim 8, wherein: the central connecting pipe (23) used for connecting the mesh fire cover (6) is arranged in the center of the connecting plate (2), the lower end of the central connecting pipe (23) is abutted to the internal combustion gas channel (5), an outer annular wall (24) is further arranged at the periphery of the central connecting pipe (23) at intervals in the center of the connecting plate (2), and a communication channel (25) communicated with the middle combustion gas channel (9) is formed between the outer annular wall (24) and the outer wall of the central connecting pipe (23).

10. The integrated cooktop of claim 9, wherein: the middle ring fire cover (8) comprises an annular wall (81) and a top wall (82) covering the annular wall (81), a central hole (83) communicated with the central connecting pipe (23) is formed in the center of the top wall (82), the hole wall of the central hole (83) extends downwards to form a connecting pipe (84) connected with the central connecting pipe (23), and the mesh fire cover (6) covers the central hole (83).

11. The integrated cooktop of claim 10, wherein: the top wall (82) is downwards recessed at the periphery of the mesh fire cover (6) to form a circle of concave rings (85) for containing overflows.

12. The integrated kitchen range according to any one of claims 7 to 11, wherein: the outer ring fire cover (4) is provided with at least two outgoing fire holes (40) at intervals along the circumferential direction, and the middle ring fire cover (8) is provided with at least two middle fire holes (80) at intervals along the circumferential direction.

13. The integrated cooktop of claim 12, wherein: the concave cavity (13) of the base (1) is communicated with an outer injection pipe (90), the middle fuel gas channel (9) is communicated with an inner injection pipe (100), and air inlet ends of the outer injection pipe (90) and the inner injection pipe (100) are respectively communicated with openings of the corresponding transverse parts of the first air supply pipes.