CN215892408U

CN215892408U - Auxiliary smoke exhaust device

Info

Publication number: CN215892408U
Application number: CN202023105559.0U
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: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-02-22
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an auxiliary smoke exhaust device, which is applied to centralized smoke exhaust of a building, and comprises a purification component and a power component which are connected with a public flue, and also comprises a connecting air pipe, wherein the power component is connected with the purification component through the connecting air pipe, and a noise reduction part is arranged in the power component; the power assembly provides power, and oil smoke gas in the common flue is discharged after passing through the purification assembly, the connecting air pipe and the power assembly in sequence. The utility model can reduce the noise during centralized smoke exhaust, reduce the resonance with the top floor and improve the use experience of users.

Description

Auxiliary smoke exhaust device

Technical Field

The utility model belongs to the technical field of range hoods, and particularly relates to an auxiliary smoke exhaust device.

Background

In recent years, concentrated cooking fume discharge applied to an entire building is slowly coming into the field of view of the public by preventing power generation at a power device on the roof and performing cooking fume discharge for each floor through a common flue.

At present, a centralized smoke exhaust system usually directly reduces a power device and is arranged at a top outlet of a public flue, so that when a fan in the power device rotates, working noise and noise generated by resistance of airflow in a pipeline can be transmitted into a user home of each floor through the public flue, particularly a user on the top floor, and the influence of resonance generated between the power device and the floor can be further received, and the daily living life of a user on the top is seriously influenced.

Therefore, how to reduce the noise generated by the operation of the centralized smoke exhaust device is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary smoke exhaust device which can reduce noise and vibration during concentrated smoke exhaust of a roof and reduce influence on daily life of a user.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an auxiliary smoke exhaust device is applied to centralized smoke exhaust of a building, and comprises a purification assembly and a power assembly which are connected with a public flue, and further comprises a connecting air pipe, wherein the power assembly is connected with the purification assembly through the connecting air pipe, and a noise reduction piece is arranged in the power assembly; the power assembly provides power, and oil smoke gas in the common flue is discharged after passing through the purification assembly, the connecting air pipe and the power assembly in sequence.

Further, the noise reduction piece comprises a centrifugal fan and a shock absorber connected with the centrifugal fan.

Furthermore, the power assembly comprises a fan box, the centrifugal fan is arranged in the fan box, and the shock absorber is arranged between the centrifugal fan and the box body of the fan box.

Further, still include the regulator cubicle, the regulator cubicle inlays to be located the fan box is interior, the regulator cubicle includes the control the converter of centrifugal fan rotational speed.

Further, the power assembly further comprises a hood, and the hood is arranged at the top of the fan box;

the top of hood is equipped with first air outlet, the side of hood is equipped with the second air outlet.

Further, still include the water conservancy diversion spare of locating on the power component.

Furthermore, the flow guide part comprises a first flow guide part and a second flow guide part, the first flow guide part is arranged at an opening on the side face of the fan box, and the second flow guide part is positioned at the top of the blast cap.

Furthermore, an opening on the side face of the fan box is provided with a connector reducing hole, and the power assembly is connected with the connecting air pipe through the connector reducing hole.

Furthermore, a soft connecting piece for reducing vibration transmission is arranged between the connector reducing diameter and the connecting air pipe.

Further, a door plate is arranged at the top of the shell of the purification component, and the purification component further comprises a filter detachably mounted through the door plate.

Furthermore, the filter is obliquely arranged in the shell of the purification component in an opposite angle.

Furthermore, check plates are symmetrically arranged above the filter of the purification assembly.

According to the technical scheme provided by the embodiment of the application, the power assembly and the purification assembly are connected through the connecting air pipe, so that the noise transmitted to the public flue and each floor due to the operation of the power assembly can be attenuated, and the noise reduction piece is arranged in the power assembly, so that the influence of the power assembly on the living of a user on the top floor is reduced; simultaneously, the resistance of air flow is reduced through the additionally arranged flow guide piece and the air outlet for increasing the air outlet area, so that noise is reduced, resonance is reduced, and the use experience of a user is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram of an auxiliary smoke exhaust device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a power assembly in an auxiliary smoke exhaust device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a purification assembly in an auxiliary smoke exhaust device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a purification assembly in an auxiliary smoke exhaust device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a purification device in an auxiliary smoke exhaust device according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a purification device in an auxiliary smoke exhaust device according to a third embodiment of the present invention;

fig. 7 is a schematic structural diagram of a purification device in an auxiliary smoke exhaust device according to a fourth embodiment of the present invention;

fig. 8 is a schematic structural diagram of an auxiliary smoke exhaust device according to a fifth embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example one

As shown in fig. 1-4, the present embodiment provides an auxiliary smoke exhaust device capable of reducing noise and vibration during concentrated smoke exhaust of a roof and reducing influence on daily life of a user, and is applied to concentrated smoke exhaust of a building, the device is installed above a roof plate 7 of the roof of the building, the device comprises a purification component 1 and a power component 2 connected with a common flue 8, as shown in fig. 1, the device further comprises a connecting air pipe 3, the power component 2 is connected with the purification component 1 through the connecting air pipe 3, and a noise reduction member 4 is arranged in the power component 2; the power assembly 2 provides power, oil smoke generated by the range hood 9 on each floor enters the common flue 8 through the air pipe 93, the electric valve 92 and the fire valve 91 of the range hood 9, and then oil smoke gas in the common flue 8 sequentially passes through the purification assembly 1, the connecting air pipe 3 and the power assembly 2 according to the power provided by the power assembly 2 and is discharged.

Thus, the auxiliary smoke exhaust device can sufficiently attenuate the noise originally transmitted from the power assembly 2 to the kitchen of each user through the common flue 8 by the connecting air pipe 3, and the connecting air pipe 3 in the embodiment is preferably a metal square pipe, so that the power assembly 2 can be infinitely extended and bent at the roof of a building, the mounting position of the power assembly 2 on the roof can be changed by extending the connecting air pipe 3, the power assembly is far away from a bedroom of a resident living in the roof, and the influence of the power assembly 2 on living and living is reduced.

As shown in fig. 1, in the present embodiment, the noise reduction member 4 includes a centrifugal fan 41 and a damper 42 connected thereto. The centrifugal fan 41 in this embodiment may be a centrifugal fan with a volute or a centrifugal fan without a volute, and the air intake mode is a left air intake and up air outlet mode, and the damper 42 is connected to the centrifugal fan 41 and is mainly used for reducing the vibration generated by the rotation of the fan. In the present embodiment, the power unit 2 includes a fan box 21, the centrifugal fan 41 is disposed in the fan box 21, and the damper 42 is disposed between the centrifugal fan 41 and a box body of the fan box 21. The damper 42 can reduce resonance of the casing 21 of the fan box caused by the operation of the fan.

The auxiliary smoke exhaust device provided by the embodiment further comprises an electrical cabinet 22, the electrical cabinet 22 is embedded in the fan box 21, and the electrical cabinet 22 comprises a frequency converter 221 for controlling the rotating speed of the centrifugal fan 41.

The power assembly 2 of the device also comprises an air cap 23, and the air cap 23 is arranged at the top of the fan box (21); the top of hood 23 is equipped with first air outlet 231, the side of hood 23 is equipped with second air outlet 232. The first air outlets 231 are arranged on the peripheral edges of the top plane of the blast cap 23, the second air outlets 232 are arranged on the four planes of the side face of the blast cap 23, the air exhaust area of the fan can be increased through multi-face air exhaust, the air exhaust resistance is effectively reduced, and the noise generated by the air flow resistance is reduced.

The auxiliary smoke exhaust device provided by the embodiment further comprises a flow guide part 5 arranged on the power assembly 2. The flow guide part 5 comprises a first flow guide part 51 and a second flow guide part 52, the first flow guide part 51 is arranged at an opening on the side surface of the fan box 21, and the second flow guide part 52 is positioned at the top of the hood 23. The first flow guiding element 51 and the second flow guiding element 52 in this embodiment are flow guiding cones, and are respectively installed at the air inlet and the air outlet, so as to play a role in rectifying the inlet air of the fan, alleviate the change process of the flow area, and weaken the range of the low-speed area and the flow loss caused by disordered flow in the low-speed area, thereby reducing the noise of the air flow.

In this embodiment, an opening on the side of the fan box 21 is provided with a connector reducing pipe 211, and the power assembly 2 is connected with the connecting air pipe 3 through the connector reducing pipe 211. And a soft connecting piece 6 for reducing vibration transmission is arranged between the connector reducing diameter 211 and the connecting air pipe 3. Above-mentioned interface reducing 211 plays fan case 21 side opening promptly air intake and the effect of the size adaptation of connecting the tuber pipe 3, is connected to connecting the tuber pipe 3 back, and flexible connectors 6 are installed at the kneck to this embodiment, because it is soft material, so it can reduce the biography that connecting the tuber pipe 3 arouses by the operation of power component 2 and shake, can also avoid the problem that connecting the tuber pipe 3 that traditional rigid coupling arouses uses the back and is not hard up because vibrations.

As shown in fig. 5, if the sound insulation and vibration reduction effects of the ceiling plate 7 of the top floor are excellent, the present application further provides an embodiment two, which is different from the embodiment one in that the present embodiment omits the connecting air pipe 3, and the power module 2 and the purification module 1 are directly connected through the interface reducing 211 and the flexible connecting piece 6.

As shown in fig. 3, in the first embodiment, a door panel 11 is provided on the top of the casing of the purification assembly 1 of the auxiliary smoke exhaust device, and the purification assembly 1 further includes a filter 12 detachably mounted through the door panel 11, so that the filter 12 can be inserted into the casing of the purification assembly 1 from the position of the door panel 11, and can be replaced and cleaned periodically; the filter 12 is installed in the casing of the purification assembly 1 diagonally, and such an installation manner can increase the contact area between the filtering surface of the filter 12 and the oil smoke gas, thereby reducing the wind resistance to a certain degree.

And in the first embodiment, a check plate 13 is symmetrically arranged above the filter 12 of the purification assembly 1, as shown in fig. 4, the check plate 13 is slightly inclined inward, and the inclination angle in the first embodiment may be 3 degrees. When a user does not discharge smoke, the check plate 13 is automatically attached under the action of gravity to play a role in rain prevention and wind prevention, and when the user freely discharges smoke, namely when the power assembly 2 is not started, the power generated by the user discharging smoke through the range hood 9 can blow the check plate 13, namely natural air discharge; when the power assembly 2 is started to operate, negative pressure can be formed inside the smoke exhaust pipeline, so that the check plate 13 is automatically attached.

In the above embodiment provided by the present application, in the actual use process of the auxiliary smoke exhaust device, when the power assembly 2 is in operation, that is, the frequency converter 221 in the electrical cabinet 22 drives the centrifugal fan 41 to rotate, the power generated by the rotation drives the oil smoke gas discharged from the user in the common flue 8 to sequentially enter the centrifugal fan 41 through the filter 11 of the purification assembly 1, the connecting air duct 3 and the side air inlet of the fan box 21 of the power assembly 2 and to be rectified by the first flow guide 51, and finally to be discharged from the first air outlet 231 and the second air outlet 232 through the second flow guide 52 in the top hood 23, in the whole process, the noise transmitted into the common flue 8 and the resonance to the floor slab 7 are reduced by the damper 42 and the connecting air duct 3 in the device, and the resistance to the airflow flow is reduced by the flow guide 5, the first air outlet 231 with the increased area and the second air outlet 232 on the side, further reducing noise during operation.

In the case that the requirement for purifying the oil smoke is not high, the present application further provides a third embodiment and a fourth embodiment, as shown in fig. 6 and fig. 7, respectively, which are different from the first embodiment in that a check plate 13 is eliminated in the third embodiment, and the check plate 13 is disposed in front of the filter 12 in the fourth embodiment, so that when the power assembly 2 is not activated, the resistance of the user to freely discharge the smoke is reduced.

As shown in fig. 8, in a situation that the requirement for oil smoke purification is not high, the present application further provides a fifth embodiment, which is different from the first embodiment in that the present embodiment omits the purification assembly 1, and an elbow is disposed between the common flue 8 and the connecting air duct 3, that is, at the position of the original purification assembly 1, so as to reduce the airflow resistance.

The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary smoke exhaust device is applied to centralized smoke exhaust of a building, and comprises a purification assembly (1) and a power assembly (2) which are connected with a public flue, and is characterized by further comprising a connecting air pipe (3), wherein the power assembly (2) is connected with the purification assembly (1) through the connecting air pipe (3), and a noise reduction piece (4) is arranged in the power assembly (2); the power assembly (2) provides power, and oil smoke gas in the common flue is discharged after sequentially passing through the purification assembly (1), the connecting air pipe (3) and the power assembly (2).

2. An auxiliary smoke evacuation device as claimed in claim 1 wherein said noise reducing member (4) comprises a centrifugal fan (41) and associated damper (42).

3. Auxiliary smoke evacuation device according to claim 2, characterized in that said power assembly (2) comprises a fan box (21), said centrifugal fan (41) being arranged inside said fan box (21), said damper (42) being arranged between said centrifugal fan (41) and the casing of said fan box (21).

4. The auxiliary smoke exhaust device according to claim 3, further comprising an electrical cabinet (22), wherein the electrical cabinet (22) is embedded in the fan box (21), and the electrical cabinet (22) comprises a frequency converter (221) for controlling the rotation speed of the centrifugal fan (41).

5. An auxiliary smoke exhaust device according to claim 3 or 4, wherein the power assembly (2) further comprises a hood (23), the hood (23) is arranged on the top of the fan box (21);

the top of hood (23) is equipped with first air outlet (231), the side of hood (23) is equipped with second air outlet (232).

6. An auxiliary smoke evacuation device as claimed in claim 5 further comprising a deflector (5) provided on said power assembly (2).

7. An auxiliary smoke evacuation device according to claim 6, wherein the flow guide member (5) comprises a first flow guide member (51) and a second flow guide member (52), the first flow guide member (51) is arranged at the side opening of the fan box (21), and the second flow guide member (52) is arranged at the top of the hood (23).

8. The auxiliary smoke exhaust device is characterized in that a connector reducing pipe (211) is installed at an opening in the side face of the fan box (21), and the power assembly (2) is connected with the connecting air pipe (3) through the connector reducing pipe (211).

9. An auxiliary smoke exhaust device according to claim 8, wherein a soft connecting piece (6) for reducing vibration transmission is arranged between the connector reducing pipe (211) and the connecting air pipe (3).

10. An auxiliary smoke exhaust device according to claim 1, characterized in that the top of the casing of the purification assembly (1) is provided with a door panel (11), and the purification assembly (1) further comprises a filter (12) detachably mounted through the door panel (11).

11. An auxiliary extractor hood device according to claim 10, characterized in that the filter (12) is installed diagonally inside the housing of the purification unit (1).

12. Auxiliary smoke exhaust device according to claim 10, characterized in that above the filter (12) of the purification unit (1) there is symmetrically arranged a non-return plate (13).