CN217109697U - Noise-reduction oil fume suction and exhaust system and integrated stove - Google Patents

Abstract

The utility model relates to a kitchen appliance technical field specifically discloses a smoke exhaust system and integrated kitchen of making an uproar falls. The system comprises a frame shell forming a frame cavity, wherein the bottom of the frame shell is provided with a bottom plate oil discharge hole, and a smoke discharge box assembly with a smoke discharge channel and a gas collection box assembly with a gas collection cavity are formed in the frame cavity; the smoke exhaust channel is communicated with the external environment; the gas collection cavity is positioned above the smoke exhaust channel, and an air channel assembly used for blowing air to the smoke exhaust channel is arranged in the gas collection cavity; the bottom of the gas collection cavity is communicated with the top of the smoke exhaust channel through an oil dripping passage, and a return air blocking piece for blocking air flowing through the smoke exhaust channel from entering the oil dripping passage is arranged in the smoke exhaust channel; the bottom of smoke exhaust box subassembly is seted up the bottom oil discharge hole of intercommunication smoke exhaust passage and frame chamber, is equipped with in the smoke exhaust passage to be used for blockking the wind that flows through smoke exhaust passage and passes the wind-blocking piece in bottom oil discharge hole. The system reduces the noise generation and improves the use experience by planning the wind track in the smoke exhaust channel.

Description

Noise-reduction oil fume suction and exhaust system and integrated stove

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to a smoke exhaust system and integrated kitchen of making an uproar falls.

Background

The integrated stove is a new kitchen device, and integrates an oil smoke collecting machine, a gas stove, a steam box and an oven. The oil fume sucking and exhausting system is a core system of the integrated stove and has the function of sucking and exhausting oil fume in a kitchen, and the oil fume is sucked into the gas collecting box through the fume inlet and then is exhausted out of a room through the fan and the fume pipe, so that air in the kitchen is purified for a user.

At present, in order to improve the smoking effect, the integrated stove generally adopts the mode of improving the air volume to suck and exhaust the kitchen oil smoke, but the air volume promotes the back, and the noise of oil smoke sucking and exhausting system also risees thereupon, and too big noise can make the user produce bad reactions such as headache, dysphoria, palpitation, has brought relatively poor experience for the user, receives the noise influence to give other people and brings certain health risk for a long time. Therefore, various noise reduction technologies are widely applied to the integrated cooker.

In the noise reduction measures of the existing integrated cooker, the optimization of a noise generation source fan and the realization of using passive sound absorption materials are mainly focused, and the methods have obvious effects on medium-high frequency noise and have poor effects on low-frequency noise which occupies a large part of a noise frequency spectrum. Therefore, the existing integrated cooker has a technical problem of high noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a it makes an uproar to fall inhales oil smoke system and integrated kitchen, is guaranteeing that the oil leak is smooth and easy and inhale under the prerequisite of oil smoke system amount of wind and wind pressure, the puzzlement that the noise reduction brought.

To achieve the purpose, the utility model adopts the following technical proposal:

a noise-reduction oil fume suction and exhaust system comprises a frame shell, wherein a frame cavity is formed in the frame shell, a bottom plate oil drain hole is formed in the bottom of the frame shell, and a smoke exhaust box assembly and a gas collection box assembly are arranged in the frame cavity; a smoke exhaust channel communicated with the external environment is formed in the smoke exhaust box assembly; a gas collection cavity is formed in the gas collection box assembly and located above the smoke exhaust channel, and an air channel assembly is arranged in the gas collection cavity and used for blowing air to the smoke exhaust channel; the bottom of the gas collection cavity is communicated with the top of the smoke exhaust channel through an oil dripping channel, a return air separation blade is arranged in the smoke exhaust channel and is positioned below the oil dripping channel, and the return air separation blade is used for preventing air flowing through the smoke exhaust channel from entering the oil dripping channel; the bottom of smoke exhaust box subassembly has been seted up the intercommunication smoke exhaust passage with the bottom oil extraction hole in frame chamber, be equipped with in the smoke exhaust passage and be located the windshield piece of the top of bottom oil extraction hole, the windshield piece is used for blockking to flow through smoke exhaust passage's wind passes bottom oil extraction hole.

As a preferred technical scheme of the noise-reduction oil smoke suction and exhaust system, one end of the wind-shielding sheet is fixedly connected to the side wall of the smoke exhaust channel, and the wind-shielding sheet gradually inclines downwards from the connecting end to the free end.

As the preferred technical scheme of the noise-reduction oil fume exhaust system, one end of the return air blocking piece is fixedly connected to the side wall of the fume exhaust channel, and the return air blocking piece gradually inclines downwards from the connecting end to the free end.

As the preferred technical scheme of the noise reduction oil smoke exhaust system, the return air separation blade and the side wall of the smoke exhaust channel form a top wind-shielding cavity, the oil dripping passage is communicated with the top wind-shielding cavity, the top wind-shielding cavity is communicated with the smoke exhaust channel through a top opening, the wind-shielding blade and the side wall of the smoke exhaust channel form a bottom wind-shielding cavity, the bottom oil discharge hole is communicated with the smoke exhaust channel through a bottom wind-shielding cavity, the bottom wind-shielding cavity is communicated with the smoke exhaust channel through a bottom opening, and the top opening and the bottom opening are arranged in a staggered manner.

As the preferable technical scheme of the noise-reduction oil fume suction and exhaust system, the bottom oil discharge hole and the bottom plate oil discharge hole are arranged in a staggered manner.

As a preferred technical scheme of the noise reduction and oil fume exhaust system, the frame shell comprises a frame bottom plate, the bottom plate oil drain hole penetrates through the frame bottom plate, and the frame bottom plate gradually inclines downwards towards the bottom plate oil drain hole.

As the preferable technical scheme of the noise-reduction oil fume suction and exhaust system, the bottom of the gas collection box assembly is provided with a gas collection port, the top of the fume exhaust channel is provided with a top oil discharge hole, and the gas collection port is communicated with the top oil discharge hole to form the oil dripping passage.

As a preferred technical scheme of the noise-reducing oil fume suction and exhaust system, the air duct assembly comprises an air outlet pipe, a communicating port is formed in the smoke exhaust channel, the air outlet pipe is connected with the communicating port in a sealing mode through a sealing ring, and the air duct assembly blows air to the smoke exhaust channel through the air outlet pipe.

As the preferred technical scheme of making an uproar suction and exhaust oil smoke system that falls, the wind channel subassembly still include centrifugal fan and rigid coupling in the last rectification net of centrifugal fan, the rectification net is the hemisphere shape, and the equipartition has a plurality of hexagonal holes, centrifugal fan is used for will passing the oil smoke in hexagonal hole blows to smoke exhaust passage.

An integrated kitchen range comprises a machine head and the noise-reduction oil smoke suction and exhaust system, wherein the machine head is used for collecting oil smoke and conveying the oil smoke to a gas collection cavity.

The utility model has the advantages that:

the noise-reduction oil fume suction and exhaust system completes the treatment and exhaust operation of oil fume in the gas collection cavity by means of the design of blowing the oil dripping channel, the bottom oil exhaust hole and the air duct assembly to the smoke exhaust channel. A part of oil drops in the gas collection cavity are attached to the side wall of the gas collection cavity and enter the smoke exhaust channel through the oil dropping passage under the influence of self weight, the oil drops in the smoke exhaust channel fall to the bottom of the smoke exhaust channel under the influence of self weight and enter the frame cavity through the bottom oil discharge hole, and the oil drops in the frame cavity finally pass through the bottom plate oil discharge hole under the influence of self weight, so that the oil drops are treated and discharged. By utilizing the air channel assembly, the smoke and the other part of oil drops in the gas collection cavity can be swept to the smoke exhaust channel and discharged to the external environment through the smoke exhaust channel, so that the smoke can be treated and discharged. When the exhaust passage flows through, the oil drops that are swept can be attached to the lateral wall of the exhaust passage, and then can be gathered with the oil drops at the bottom of the exhaust passage under the influence of the dead weight, the above design greatly reduces the probability that the oil drops are directly swept to the external environment, optimizes the emission capacity of the noise-reduction oil fume suction and exhaust system, and reduces the pollution to the external environment air. Through the design of return air separation blade and wind-break piece, can block that the malleation wind in the exhaust passage passes oil drip passageway and bottom oil drain hole, can guarantee effectively from this that the wind in the exhaust passage removes according to predetermined orbit, when having avoided wind influence oil to drip to flow, can also reduce wind and scurry in the gas collection chamber with the frame intracavity and then the condition of noise generation, above structural improvement can guarantee that oil drip is smooth and easy and do not influence under the prerequisite of amount of wind pressure, play the purpose of making an uproar of falling, bring comfortable use from this and experience, ensure user of service's physical and mental health. The improvement is simple and reliable, the processing cost is low, and the structural stability is high.

Drawings

Fig. 1 is a cross-sectional view of a noise reduction integrated cooker provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a first view angle of a smoke exhaust box assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a second viewing angle of the smoke exhaust box assembly according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a third viewing angle of the smoke exhaust box assembly according to the embodiment of the present invention;

fig. 5 is a cross-sectional view of a fume extractor assembly provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a frame bottom plate according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of an air duct assembly according to an embodiment of the present invention.

In the figure:

100. a frame housing; 110. a frame floor; 111. a bottom plate oil drain hole; 120. a frame side plate; 130. a frame storage cabinet; 200. a gas collection cavity; 201. an air collection port; 300. an air duct assembly; 310. a fan duct; 320. a fan blade; 330. a guide ring; 340. a rectifier network; 350. an impeller module; 360. a hood; 400. a fume hood assembly; 401. a return air blocking piece; 402. a wind-shielding sheet; 410. a smoke outlet; 420. a communication port; 430. a top oil drain hole; 440. a bottom oil drain hole; 450. a top wind-sheltering cavity; 460. a bottom wind-sheltering cavity; 500. a seal ring; 600. an oil collecting unit.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides an integrated kitchen, including the aircraft nose with fall the oil smoke system of arranging of making an uproar, the aircraft nose is used for collecting the oil smoke to carry the oil smoke to fall the gas collection intracavity on the oil smoke system of arranging of making an uproar. This integrated kitchen with the help of above-mentioned structure, can accomplish collection, processing and the emission operation to the oil smoke, can improve the environment in kitchen from this to user of service's use experience has been promoted.

As shown in fig. 1 to 6, the present embodiment further provides a noise reduction oil smoke suction and exhaust system, which includes a frame casing 100, a frame cavity is formed in the frame casing 100, a bottom plate oil drain hole 111 is formed at the bottom of the frame casing 100, and a smoke exhaust box assembly 400 and a gas collection box assembly are arranged in the frame cavity; a smoke exhaust channel communicated with the external environment is formed in the smoke exhaust box assembly 400; a gas collection cavity 200 is formed in the gas collection box assembly, the gas collection cavity 200 is positioned above the smoke exhaust channel, an air channel assembly 300 is arranged in the gas collection cavity 200, and the air channel assembly 300 is used for blowing air to the smoke exhaust channel; the bottom of the gas collection cavity 200 is communicated with the top of the smoke exhaust channel through an oil dripping passage, a return air blocking piece 401 positioned below the oil dripping passage is arranged in the smoke exhaust channel, and the return air blocking piece 401 is used for blocking air flowing through the smoke exhaust channel from entering the oil dripping passage; the bottom of smoke discharging box assembly 400 is provided with a bottom oil discharging hole 440 communicated with the smoke discharging channel and the frame cavity, a wind shielding sheet 402 positioned above the bottom oil discharging hole 440 is arranged in the smoke discharging channel, and the wind shielding sheet 402 is used for blocking wind flowing through the smoke discharging channel from passing through the bottom oil discharging hole 440.

The noise-reducing oil fume suction and exhaust system completes the treatment and exhaust operation of the oil fume in the gas collecting cavity 200 by means of the design of blowing the oil dripping channel, the bottom oil drain hole 440 and the air duct assembly 300 to the smoke exhaust channel. A part of oil drops in the gas collecting cavity 200 are attached to the side wall of the gas collecting cavity 200 and enter the smoke exhaust channel through the oil dropping passage under the influence of the self weight, the oil drops in the smoke exhaust channel fall to the bottom of the smoke exhaust channel under the influence of the self weight and enter the frame cavity through the bottom oil discharge hole 440, and the oil drops in the frame cavity finally pass through the bottom plate oil discharge hole 111 under the influence of the self weight, so that the oil drops can be treated and discharged. By using the air duct assembly 300, the smoke and another part of oil drops in the gas collecting cavity 200 can be swept to the smoke exhaust channel and discharged to the external environment through the smoke exhaust channel, so that the treatment and the discharge of the smoke can be realized. When the exhaust passage flows through, the oil drops that are swept can be attached to the lateral wall of the exhaust passage, and then can be gathered with the oil drops at the bottom of the exhaust passage under the influence of the dead weight, the above design greatly reduces the probability that the oil drops are directly swept to the external environment, optimizes the emission capacity of the noise-reduction oil fume suction and exhaust system, and reduces the pollution to the external environment air. Through the design of return air separation blade 401 and wind-break piece 402, can block that the malleation wind in the exhaust passage passes oil drip passageway and bottom oil drain hole 440, can guarantee effectively from this that the wind in the exhaust passage removes according to predetermined orbit, when having avoided wind influence oil to drip to flow, can also reduce wind and scurry in gas collection chamber 200 and frame intracavity and then the condition of noise production, above structural improvement can guarantee that oil drip smoothly and do not influence under the prerequisite of amount of wind pressure, play the purpose of making an uproar of falling, bring comfortable use from this and experience, ensure user's physical and mental health. The improvement is simple and reliable, the processing cost is low, and the structural stability is high.

Specifically, the side surface of the communicated smoke exhaust is provided with a smoke exhaust port 410, and the communicated smoke exhaust is communicated with the external environment through the smoke exhaust port 410.

In this embodiment, the wind blocking plate 402 and the side wall of the smoke exhaust channel form a bottom wind blocking chamber 460, the bottom oil drain hole 440 communicates with the smoke exhaust channel through the bottom wind blocking chamber 460, and the portion of the side wall of the smoke exhaust channel forming the bottom wind blocking chamber 460 is gradually inclined downward toward the bottom oil drain hole 440. The arrangement of the bottom wind-sheltering cavity 460 can provide a wind-sheltering area for the vicinity of the bottom oil drain hole 440, thereby effectively avoiding the occurrence of the condition that a large amount of wind is poured into the bottom oil drain hole 440. And the design that the part that forms bottom wind-sheltering chamber 460 among the lateral wall of smoke exhaust channel slopes down has guaranteed bottom oil drain hole 440 and has discharged the ability that oil drips, has avoided oil to drip the condition emergence of keeping in bottom wind-sheltering chamber 460, and then has promoted this ability that falls to inhale oil and drip of oil smoke system emission of making an uproar.

Preferably, the return air baffle 401 and the side wall of the smoke exhaust channel form a top air-sheltering cavity 450, the oil dropping path is communicated with the top air-sheltering cavity 450, and the top air-sheltering cavity 450 is communicated with the smoke exhaust channel through a top opening. Specifically, the orientation of the top opening is perpendicular to the moving track of the wind in the smoke evacuation channel. The top wind-sheltering chamber 450 can provide a wind-sheltering area for the vicinity of the oil drip passage, thereby effectively avoiding the occurrence of the condition that a large amount of wind is poured into the oil drip passage.

Further, the bottom wind-sheltering cavity 460 is communicated with the smoke evacuation channel through a bottom opening, and the top opening and the bottom opening are arranged in a staggered manner. Specifically, the orientation of the bottom opening is perpendicular to the moving track of the wind in the smoke exhaust channel. Preferably, the bottom drain hole 440 is offset from the floor drain hole 111. The design that bottom opening and bottom opening misplace and bottom oil drain hole 440 and bottom plate oil drain hole 111 misplace, the condition of having avoided wind to blow directly between bottom opening and bottom opening or bottom oil drain hole 440 and bottom plate oil drain hole 111 takes place, has avoided the production of howling, and then has played the purpose of making an uproar.

In this embodiment, one end of the wind-blocking piece 402 is fixed to the side wall of the smoke exhaust channel, and the wind-blocking piece 402 is gradually inclined downward from the connecting end to the free end. Above design has not only reduced the influence of windshield 402 to amount of wind pressure in the discharge flue, can also be through the further probability that reduces the wind and irritate bottom wind-sheltering chamber 460 of the mode of reduction bottom opening size, further improvement the structure of case subassembly 400 of discharging fume from this.

Preferably, one end of the return air blocking piece 401 is fixedly connected to the side wall of the smoke evacuation channel, and the return air blocking piece 401 is gradually inclined downwards from the connecting end to the free end. The design that return air separation blade 401 downward sloping has guaranteed the ability that oil drips is discharged to the oil drip route, has avoided oil to drip the condition emergence of keeping away wind chamber 450 internal accumulation at the top, and then has promoted this ability that oil drips is discharged to the oil smoke system of making an uproar of inhaling of falling.

In the present embodiment, the frame housing 100 includes a frame bottom plate 110, a bottom plate oil drain hole 111 penetrates through the frame bottom plate 110, and the frame bottom plate 110 is gradually inclined downward toward the bottom plate oil drain hole 111. Specifically, the bottom of the gas collection cavity 200 is gradually inclined downwards towards the gas collection port 201, and the bottom of the gas collection box assembly is attached to the top of the smoke discharge box assembly 400; the portion of the side wall of the flue gas channel where the bottom wind-sheltering chamber 460 is not formed is gradually inclined downwards towards the bottom opening. The above designs respectively avoid the situation that oil drops are accumulated on the frame bottom plate 110, the bottom of the gas collecting cavity 200 and the bottom of the smoke exhaust channel, thereby further improving the oil drop discharging capability of the noise reduction and smoke exhaust system.

Preferably, the frame casing 100 further includes a frame side plate 120 and a frame storage cabinet 130, the frame side plate 120 is fixedly connected to the frame bottom plate 110, and the frame side plate 120 is used for shielding the side of the frame cavity. The sealing connection between the frame side plate 120 and the frame bottom plate 110 ensures the sealing effect in the frame cavity, and further improves the noise reduction capability of the noise reduction oil fume exhaust system. The lower plate surface of the frame bottom plate 110 is fixedly connected with a frame storage cabinet 130, the frame storage cabinet 130 is used for bearing the oil collecting unit 600, the top of the oil collecting unit 600 is provided with an oil collecting groove, and the oil collecting groove is used for collecting oil drops dropping from the bottom oil discharge hole 440. The design realizes the storage of oil drops, not only improves the storage efficiency of the discharged oil drops, but also ensures the cleanness and tidiness of the kitchen environment.

In this embodiment, the gas collection port 201 is opened at the bottom of the gas collection tank assembly, the top oil discharge hole 430 is opened at the top of the smoke discharge channel, and the gas collection port 201 is communicated with the top oil discharge hole 430 to form an oil dripping passage. Above simple structure is reliable, and processing is convenient, can guarantee to drip the action that falls the exhaust passage in from gas collecting chamber 200 accurate and smooth and easy completion.

In this embodiment, the edge of the gas collection port 201 is surrounded by a connection flange, the connection flange gradually inclines downwards towards the gas collection port 201, the connection flange is inserted into the top oil drain hole 430, and the connection flange is in interference fit with the top oil drain hole 430. The leakproofness that gas collection mouth 201 and top oil drain hole 430 are connected has been guaranteed to above design, has also reduced simultaneously by a wide margin and has dripped the risk that escapes through the assembly gap.

In this embodiment, wind channel subassembly 300 includes out the tuber pipe, and intercommunication mouth 420 has been seted up to the smoke exhaust channel, goes out tuber pipe and intercommunication mouth 420 through sealing washer 500 sealing connection, and wind channel subassembly 300 is bloied to the smoke exhaust channel through going out the tuber pipe. Specifically, the air duct assembly 300 is hermetically connected with the smoke exhaust channel by a structure that the outer wall of the air outlet pipe and the edge of the communication port 420 sandwich a flange at the edge of the sealing ring 500, and a sealing structure that the air collection box assembly and the smoke exhaust box assembly 400 sandwich the end face of the sealing ring 500 is matched. The improved structure not only improves the smoke exhaust channel, the assembly efficiency of the sealing ring 500 and the air channel assembly 300, but also greatly optimizes the sealing effect of the connection between the air outlet pipe and the sealing ring 500 and between the smoke exhaust channel and the sealing ring 500, ensures the sealing performance of the sealing structure, prevents the oil smoke discharged into the smoke exhaust channel when the air channel assembly 300 works from flowing backwards through the assembly gap, ensures stable and reliable connection between the structures, solves the problems of oil leakage and air quantity leakage between the air channel assembly 300 and the smoke exhaust channel, and simultaneously further reduces the noise generated by the assembly gap between the smoke exhaust channel and the air channel assembly 300 and between the sealing ring 500 and the air channel assembly 300.

As shown in fig. 1 and fig. 7, the air duct assembly 300 further includes a centrifugal fan and a rectifying net 340 fixedly connected to the centrifugal fan, the rectifying net 340 is hemispherical, and a plurality of hexagonal holes are uniformly distributed on the rectifying net 340, and the centrifugal fan is configured to blow the oil smoke passing through the hexagonal holes to the smoke exhaust channel. The improved structure of the hexagonal hole and the hemispherical rectifying net 340 optimizes the mode of extracting oil smoke in the gas collecting cavity 200 by the centrifugal fan, ensures the oil smoke filtering capability, and can play a role in stabilizing the flow, thereby realizing the purpose of noise reduction. Specifically, the rectifying net 340 is fixedly connected to the open end of the centrifugal fan.

Preferably, the centrifugal fan includes a fan body, a fan duct 310, a guide ring 330, an impeller module 350, a hood 360, and a plurality of fan blades 320. The impeller of the impeller module 350 can rotate around the axis of the impeller module 350, the plurality of fan blades 320 are circumferentially arranged around the axis of the impeller module 350 at intervals, a flow channel is formed between every two adjacent fan blades 320, and the wind extracted by the impeller module 350 passes through the flow channels between the plurality of fan blades 320 and enters the wind outlet pipe through the fan air duct 310. The connection shaft of the impeller module 350 passes through the installation through hole on the blower main body and is connected with the hood 360. By screwing the blast cap 360, the tightness of the blast cap 360 and the connection shaft can be adjusted, and the impeller module 350 can be conveniently disassembled and assembled on the fan main body. The guide ring 330 is fixedly connected to the open end of the centrifugal fan, and plays a role in guiding air flow.

Further, the blade curve profile of the fan blade 320 is a bezier curve, and the sectional area of the flow channel gradually decreases from the inlet of the flow channel to the outlet of the flow channel, thereby achieving the effect of reducing noise.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a noise reduction oil smoke suction and exhaust system, its characterized in that includes frame casing (100), form the frame chamber in frame casing (100), bottom plate oil drain hole (111) have been seted up to the bottom of frame casing (100), the frame intracavity is equipped with:

a fume box assembly (400), wherein a fume channel communicated with the external environment is formed in the fume box assembly (400);

a gas collection cavity (200) is formed in the gas collection box assembly, the gas collection cavity (200) is positioned above the smoke exhaust channel, an air channel assembly (300) is arranged in the gas collection cavity (200), and the air channel assembly (300) is used for blowing air to the smoke exhaust channel;

the bottom of the gas collection cavity (200) is communicated with the top of the smoke exhaust channel through an oil dripping passage, a return air blocking piece (401) positioned below the oil dripping passage is arranged in the smoke exhaust channel, and the return air blocking piece (401) is used for blocking air flowing through the smoke exhaust channel from entering the oil dripping passage; the intercommunication is seted up to the bottom of fume extraction case subassembly (400) fume extraction passageway with bottom oil drain hole (440) in frame chamber, be equipped with in the fume extraction passageway and be located windshield (402) of the top of bottom oil drain hole (440), windshield (402) are used for blockking to flow through fume extraction passageway's wind passes bottom oil drain hole (440).

2. A noise reducing cooking fume extracting system according to claim 1, wherein one end of the wind blocking plate (402) is fixedly connected to the side wall of the smoke evacuation channel, and the wind blocking plate (402) is gradually inclined downwards from the connecting end to the free end.

3. A noise reduction and smoke exhaust system according to claim 1, wherein one end of said return air blocking piece (401) is fixed to the side wall of said smoke exhaust channel, and said return air blocking piece (401) is gradually inclined downwards from the connecting end to the free end.

4. The noise reduction and oil smoke exhausting system according to claim 1, wherein the return air blocking plate (401) and the side wall of the smoke exhausting channel form a top wind shielding cavity (450), the oil dropping path is communicated with the top wind shielding cavity (450), the top wind shielding cavity (450) is communicated with the smoke exhausting channel through a top opening, the wind shielding plate (402) and the side wall of the smoke exhausting channel form a bottom wind shielding cavity (460), the bottom oil discharging hole (440) is communicated with the smoke exhausting channel through the bottom wind shielding cavity (460), the bottom wind shielding cavity (460) is communicated with the smoke exhausting channel through a bottom opening, and the top opening and the bottom opening are arranged in a staggered manner.

5. The noise reducing cooking fume extracting system according to claim 1, wherein the bottom oil drain hole (440) is disposed in a staggered manner from the bottom plate oil drain hole (111).

6. The noise reduction cooking fume extraction system according to claim 1, wherein the frame housing (100) includes a frame bottom plate (110), the bottom plate oil drain hole (111) penetrates through the frame bottom plate (110), and the frame bottom plate (110) is gradually inclined downward toward the bottom plate oil drain hole (111).

7. The noise reduction oil smoke suction and exhaust system according to claim 1, wherein the gas collection box assembly has a gas collection opening (201) opened at the bottom thereof, the smoke exhaust channel has a top oil discharge hole (430) opened at the top thereof, and the gas collection opening (201) is communicated with the top oil discharge hole (430) to form the oil drip passage.

8. The noise-reducing oil smoke exhausting system according to claim 1, wherein the air duct assembly (300) comprises an air outlet pipe, the smoke exhausting channel is opened with a communicating opening (420), the air outlet pipe is connected with the communicating opening (420) in a sealing manner through a sealing ring (500), and the air duct assembly (300) blows air to the smoke exhausting channel through the air outlet pipe.

9. The noise-reducing oil smoke sucking and discharging system according to claim 8, wherein the air duct assembly (300) further comprises a centrifugal fan and a rectifying net (340) fixedly connected to the centrifugal fan, the rectifying net (340) is hemispherical and uniformly distributed with a plurality of hexagonal holes, and the centrifugal fan is used for blowing the oil smoke passing through the hexagonal holes to the smoke discharging channel.

10. An integrated cooking range, characterized by comprising a head and the noise reduction and smoke exhaust system according to any one of claims 1 to 9, wherein the head is used for collecting the smoke and conveying the smoke into the gas collecting cavity (200).

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