CN216079937U

CN216079937U - Smoke discharging device

Info

Publication number: CN216079937U
Application number: CN202120929179.4U
Authority: CN
Inventors: 余丹阳; 王智捷; 李永波; 姚家前; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-03-18
Anticipated expiration: 2031-04-30

Abstract

The utility model provides a smoke exhaust device which comprises a hood box, a fan box and a flue, wherein the hood box is arranged above the fan box, a through hole is formed at the bottom of the hood box, a fan system is arranged in the fan box, an air inlet of the fan system is communicated with the flue, an air outlet of the fan system is communicated with the through hole, a top air outlet is formed in the top of the hood box, and the projection of the top air outlet at the bottom of the hood box is not overlapped with the air outlet of the fan system. The range hood in the kitchen is communicated with the smoke exhaust device through the flue, and the noise generated when the fan system in the fan box operates is fully attenuated through the extension of the flue. When satisfying rain-proof demand, upwards discharge waste gas, the noise of fan system is propagated with the wind, avoids propagating downwards at the noise and influences user experience, reduces user's sense organ noise.

Description

Smoke discharging device

Technical Field

The utility model relates to the technical field of smoke exhaust, in particular to a smoke exhaust device.

Background

The working noise (pneumatic noise, motor noise, etc.) of the fan system can be transmitted into the home of the user through the flue, and is particularly not friendly to the top user. Simultaneously the fan operation in-process can produce the vibration, in case the shock attenuation measure sets up improperly, still can arouse top floor resonance, sends low frequency noise, seriously influences top user's daily life.

SUMMERY OF THE UTILITY MODEL

The present invention solves one of the problems of the related art to a certain extent, and therefore the present invention aims to provide a smoke exhaust device with low noise.

The above purpose is realized by the following technical scheme:

the utility model provides a smoke exhaust device, includes hood case, fan case and flue, the hood case set up in the top of fan case the through-hole is formed to hood bottom of the case portion the fan incasement is equipped with the fan system, the air intake of fan system with the flue intercommunication, the air outlet of fan system with the through-hole intercommunication hood top of the case portion is equipped with the top air outlet, the top air outlet is in the projection of hood bottom of the case portion staggers with the air outlet of fan system.

As a further improvement of the present invention, the through hole is provided at a central position of the bottom of the hood box, and the top outlet is formed near a left side edge, and/or a right side edge, and/or a front end edge, and/or a rear end edge of the hood box top plate.

As a further improvement of the present invention, a first inclined slope and a second surface are formed on the side wall of the hood box, one end of the first inclined slope is connected to the top plate of the hood box, the other end of the first inclined slope is connected to one end of the second surface, the other end of the second surface is connected to the fan box, and a side air opening is formed in the first inclined slope.

As a further improvement of the present invention, the first inclined slope is provided to be inclined downward from an end close to the hood box top plate to an end close to the second surface.

As a further improvement of the present invention, a first cavity is formed in the hood box, a second cavity is formed in the fan box, the first cavity is communicated with the second cavity, a third cavity is formed between the first inclined plane and the second surface, and the hood box top plate, and the third cavity is communicated with the first cavity and protrudes in a direction away from the first cavity.

As a further improvement of the utility model, a water outlet is arranged at the bottom of the hood box, and the water outlet is arranged at the bottom of the third containing cavity.

As a further improvement of the utility model, the fan box further comprises an electrical cabinet and a connecting air pipe, wherein the electrical cabinet and the connecting air pipe are both arranged in the hood box, one end of the connecting air pipe is communicated with the electrical cabinet, and the other end of the connecting air pipe is communicated with the fan box.

As a further improvement of the utility model, a frequency converter and a controller are arranged in the electrical cabinet, heat dissipation holes are also arranged on a shell of the electrical cabinet, an air inlet channel is formed among the heat dissipation holes, the frequency converter and the controller, and an air outlet channel is formed between the controller and the connecting air pipe.

As a further improvement of the present invention, a connection position of the connecting air duct and the side wall of the electrical cabinet is an air inlet end of the connecting air duct, and the connection position of the connecting air duct and the electrical cabinet is close to the top of the electrical cabinet.

As a further improvement of the utility model, a frequency converter air inlet is arranged at the bottom of the frequency converter, a frequency converter air outlet is arranged at the top of the frequency converter, the level height of the heat dissipation holes is lower than that of the frequency converter air inlet, and the level height of the frequency converter air outlet is higher than that of the air inlet of the controller.

As a further improvement of the utility model, the air outlet of the controller faces the air inlet end of the connecting air pipe.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the utility model provides a fume extractor, in the kitchen oil smoke machine with fume extractor passes through the flue intercommunication, through the extension of flue, and the noise when fan incasement fan system moves obtains abundant decay. When satisfying rain-proof demand, upwards discharge waste gas, the noise of fan system is propagated with the wind, avoids propagating downwards at the noise and influences user experience, reduces user's sense organ noise.

Drawings

FIG. 1 is a schematic structural diagram of a smoke exhaust device installed on a flue in the embodiment;

FIG. 2 is a schematic structural diagram of a fume extractor in an embodiment;

FIG. 3 is a sectional view of a smoke evacuation device according to an embodiment;

FIG. 4 is a schematic structural diagram of the electrical cabinet and the connecting duct in the embodiment;

FIG. 5 is another schematic structural diagram of the electrical cabinet and the connecting duct in the embodiment;

FIG. 6 is a schematic structural view of a hood box according to an embodiment;

FIG. 7 is a schematic structural view of a fan box in the embodiment;

FIG. 8 is a sectional view of a fan box in an embodiment;

fig. 9 is a schematic structural diagram of a smoke evacuation device in an embodiment.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

Referring to fig. 1-9, a smoke evacuation device 1 according to the present invention is shown, and includes a hood box 2, a fan box 3, and a flue 4, where the hood box 2 is disposed above the fan box 3, a through hole 21 is formed at the bottom of the hood box 2, a fan system 31 is disposed in the fan box 3, an air inlet of the fan system 31 is communicated with the flue 4, an air outlet 311 of the fan system 31 is communicated with the through hole 21, a top air outlet 22 is disposed at the top of the hood box 2, and a projection of the top air outlet 22 at the bottom of the hood box 2 is staggered from the air outlet 311 of the fan system 31, as shown in fig. 9.

The utility model provides a smoke exhaust device 1, when smoke exhaust resistance of a flue 4 is large, smoke in the flue 4 can be effectively pumped out and exhausted into an air cap box 2 through a fan system 31 in the fan box 3, and the smoke is exhausted outdoors through an air outlet 22 at the top of the air cap box 2, so that the smoke exhaust resistance is effectively reduced. The projection of the air outlet 22 at the top of the air cap box 2 at the bottom of the air cap box 2 is not overlapped with the air outlet 311 of the fan system 31, so that water drops are prevented from entering the air outlet 311 of the fan system 31 from the bottom air outlet and dropping. Reasonable in design, the practicality is strong.

The fan box 3 is used for providing purification power, and the hood box 2 is used for preventing rain.

The range hood 5 in the kitchen is communicated with the smoke exhaust device 1 through the flue 4, and the noise generated when the fan system 31 in the fan box 3 runs is fully attenuated through the extension of the flue 4. When satisfying rain-proof demand, upwards discharge waste gas, fan system 31's noise is propagated with the wind, avoids spreading downwards at the noise and influences user experience, reduces user's sense organ noise.

In a multi-user building, the smoke exhaust device 1 is communicated with the range hoods 5 of all users through the smoke flue 4, when the users use the range hoods 5, the smoke exhaust device 1 runs in a linkage mode, secondary power for smoke exhaust is provided, the smoke exhaust of the users is assisted, and the cooking experience of the users is improved.

A communication hole 32 is arranged at the top of the fan box 3, and an air outlet 311 of the fan system 31 extends into the hood box 2 from the communication hole 32 and the through hole 21 at the bottom of the hood box 2. The size of the communication hole 32 is adapted to the size of the air outlet of the fan system 31. The size of the through hole 21 is larger than that of the communication hole 32.

The through hole 21 is disposed at the center of the bottom of the hood box 2, and the top outlet 22 is formed near the left side edge, the right side edge, the front end edge, and the rear end edge of the top plate of the hood box 2.

In the present embodiment, the top outlet 22 is formed near the right edge, the front edge and the rear edge of the top plate of the hood box 2.

A first inclined plane 23 and a second surface 24 are formed on the side wall of the hood box 2, one end of the first inclined plane 23 is connected with the top plate of the hood box 2, the other end of the first inclined plane is connected with one end of the second surface 24, the other end of the second surface 24 is connected with the fan box 3, and a side air port 231 is arranged on the first inclined plane 23. Due to the arrangement of the side air port 231, smoke can be discharged from the top air outlet 22 of the air cap box 2 and can also be discharged from the side air port 231, and wind resistance is effectively reduced.

The first inclined slope 23 is inclined downward from an end near the top plate of the hood box 2 to an end near the second surface 24. In this embodiment, the second surface 24 is a plane. A first smoke exhaust channel is formed between the air outlet of the fan system 31 and the top air outlet 22, and a second smoke exhaust channel is formed between the fan system 31 and the side seam.

A first containing cavity 211 is formed in the hood box 2, a second containing cavity 312 is formed in the fan box 3, the first containing cavity 211 is communicated with the second containing cavity 312, a third containing cavity 212 is formed between the first inclined plane and the second surface and the hood box top plate, the third containing cavity 212 is communicated with the first containing cavity 211, and the third containing cavity 212 protrudes in the direction far away from the first containing cavity 211. Third volume 212 is not in communication with second volume 312. A water outlet is arranged at the bottom of the blast cap tank, and the water outlet is arranged at the bottom of the third containing cavity 212. The water entering the hood box 2 through the top outlet 22 at the top of the hood box 2 and the water flowing into the hood box 2 through the side outlet 231 can be discharged from the water outlet 25. The water outlet 25 is not communicated with the fan box 3, so that water flowing out of the water outlet 25 is prevented from flowing into the fan box 3.

The fan box is characterized by further comprising an electrical cabinet 6 and a connecting air pipe 7, wherein the electrical cabinet 6 and the connecting air pipe 7 are arranged in the air cap box 2, one end of the connecting air pipe 7 is communicated with the electrical cabinet 6, and the other end of the connecting air pipe is communicated with the fan box 3. The electrical cabinet 6 is used for controlling the linked operation of the smoke exhaust device 1 and the range hoods 5 of all users. The electrical cabinet 6 is integrated in the hood box 2, so that the structure in the hood box 2 is compact, the electrical cabinet 6 is prevented from being installed outside the smoke collecting device, and the installation space is saved.

A frequency converter 61 and a controller 62 are arranged in the electrical cabinet 6, a heat dissipation hole 63 is further arranged on a shell of the electrical cabinet 6, an air inlet channel is formed among the heat dissipation hole 63, the frequency converter 61 and the controller 62, and an air outlet channel is formed between the controller 62 and the connecting air pipe 7. The inverter 61 generates a large amount of heat during operation, and when the inverter 61 operates at a high temperature for a long time, it operates with low power consumption or stops operating. Introduce outside wind through louvre 63 to through louvre 63 the converter 61 with form inlet air channel between the controller 62 with form the air-out wind channel between the connecting air pipe 7, make the circulation of air, effectively dispel the heat to converter 61, guarantee its normal work.

The connecting position of the connecting air pipe 7 and the side wall of the electrical cabinet 6 is an air inlet end of the connecting air pipe 7, and the connecting position of the connecting air pipe 7 and the electrical cabinet 6 is close to the top of the electrical cabinet 6. The length of the connecting air pipe 7 is prolonged, so that the noise propagation path is lengthened, and the noise is attenuated in propagation to reduce the noise.

The bottom of the frequency converter 61 is provided with a frequency converter air inlet, the top of the frequency converter 61 is provided with a frequency converter air outlet, and the level height of the heat dissipation holes 63 is lower than that of the frequency converter air inlet, so that air entering through the heat dissipation holes 63 can smoothly enter the frequency converter 61. The level of the frequency converter air outlet is higher than the level of the air inlet of the controller 62, so that the air flowing out of the frequency converter air outlet can smoothly enter the controller 62. The air outlet of the controller 62 faces the air inlet end of the connecting air pipe 7.

After the air enters through the heat dissipation holes 63, the air enters the inside of the frequency converter 61 through the frequency converter air inlet at the bottom of the frequency converter 61 and flows out through the frequency converter air outlet at the top of the frequency converter 61. The air flowing out of the air outlet of the frequency converter enters the controller 62 through the air inlet of the controller 62, flows out of the air outlet of the frequency converter and is introduced into the connecting air pipe 7. Each part is reasonable in distribution in regulator cubicle 6, makes the air obtain effective circulation between each part, and each part all obtains effective heat dissipation, guarantees the normal operating of each part. Preferably, a connecting port 33 communicated with the air duct is arranged at the top of the fan box 3, namely, the power for air to enter the heat dissipation holes 63 is provided by a fan system 31 in the fan box 3.

And a damping foot 34 is arranged at the bottom of the fan box 3. Noise generated by vibration is avoided.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. The utility model provides a smoke exhaust device, its characterized in that, includes hood case (2), fan case (3) and flue (4), hood case (2) set up in the top of fan case (3) form through-hole (21) bottom hood case (2) be equipped with fan system (31) in fan case (3), the air intake of fan system (31) with flue (4) intercommunication, air outlet (311) of fan system (31) with through-hole (21) intercommunication be equipped with top air outlet (22) at hood case (2) top, top air outlet (22) are in the projection of hood case (2) bottom with air outlet (311) of fan system (31) stagger.

2. A smoke exhaust arrangement according to claim 1, wherein said through hole (21) is arranged in the centre of the bottom of said hood box (2), said top outlet opening (22) being formed near the left and/or right and/or front and/or rear edges of the roof of said hood box (2).

3. A smoke exhaust system according to claim 1, wherein a first inclined slope (23) and a second surface (24) are formed on a side wall of said hood box (2), one end of said first inclined slope (23) is connected to a ceiling of said hood box (2), the other end is connected to one end of said second surface (24), the other end of said second surface (24) is connected to said fan box (3), and a side air port (231) is formed on said first inclined slope (23).

4. A smoke evacuation arrangement according to claim 3, wherein said first inclined ramp (23) is arranged to slope downwardly from an end adjacent the roof of said hood box (2) to an end adjacent said second surface (24).

5. A smoke exhaust device according to claim 3 wherein a first volume is formed in said hood box (2) and a second volume is formed in said fan box (3), said first volume communicating with said second volume, a third volume being formed between said first inclined ramp (23) and said second surface (24) and said hood box (2) ceiling, said third volume communicating with said first volume and said third volume projecting away from said first volume.

6. A smoke exhaust apparatus according to claim 3 wherein a water outlet (25) is provided at the bottom of said hood box (2), said water outlet (25) being provided at the bottom of said third chamber.

7. The smoke exhaust device according to any one of claims 1 to 6, further comprising an electrical cabinet (6) and a connecting air pipe (7), wherein the electrical cabinet (6) and the connecting air pipe (7) are both disposed in the hood box (2), and one end of the connecting air pipe (7) is communicated with the electrical cabinet (6) and the other end is communicated with the fan box (3).

8. The smoke exhaust device according to claim 7, wherein a frequency converter (61) and a controller (62) are arranged in the electrical cabinet (6), a heat dissipation hole (63) is further arranged on a casing of the electrical cabinet (6), an air inlet channel is formed among the heat dissipation hole (63), the frequency converter (61) and the controller (62), and an air outlet channel is formed between the controller (62) and the connecting air pipe (7).

9. The smoke exhaust device according to claim 7, wherein the connection between the connecting duct (7) and the side wall of the electrical cabinet (6) is an air inlet end of the connecting duct (7), and the connection between the connecting duct (7) and the electrical cabinet (6) is close to the top of the electrical cabinet (6).

10. A smoke exhaust arrangement according to claim 8, wherein a frequency converter inlet is provided at the bottom of said frequency converter (61), a frequency converter outlet is provided at the top of said frequency converter (61), the level of said heat dissipating holes (63) is lower than the level of said frequency converter inlet, and the level of said frequency converter outlet is higher than the level of said controller (62) inlet.

11. A smoke exhaust apparatus according to claim 10, wherein said air outlet of said controller (62) is towards the air inlet end of said connecting air pipe (7).