CN214307447U - Noise-reduction vibration-reduction small chamber of roof ventilator - Google Patents
Noise-reduction vibration-reduction small chamber of roof ventilator Download PDFInfo
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- CN214307447U CN214307447U CN202120010392.5U CN202120010392U CN214307447U CN 214307447 U CN214307447 U CN 214307447U CN 202120010392 U CN202120010392 U CN 202120010392U CN 214307447 U CN214307447 U CN 214307447U
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- ventilator
- small chamber
- chamber shell
- vibration
- ventilation blower
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Abstract
The utility model relates to an amortization damping cell of roofing ventilation blower sets up on roof structure accomplishes the face, including the concrete foundation, subtract spring damper, cell casing and ventilation blower, its characterized in that: the concrete foundation is arranged on the finished surface of the roof structure, and the ventilator is arranged inside the small chamber shell; the small chamber shell is provided with small holes, the silencer is arranged in the small chamber shell, one end of the silencer is connected with the ventilator through a fireproof soft joint and an air outlet pipe, and the other end of the silencer is contacted with an air outlet of the small chamber; the inlet end of the ventilator is connected with the air inlet pipe through a fireproof soft joint. Adopt the utility model discloses a design utilizes noise elimination damping cell to control the noise and the vibration of ventilation blower, and the noise of effectual isolated ventilation blower operation transmits the surrounding environment, especially sets up in near sensitive factor's ventilation blower, and the vibration that can effectively isolated ventilation blower operation simultaneously transmits to the adjacent usage space in roofing lower part.
Description
Technical Field
The utility model belongs to the technical field of the building noise elimination, concretely relates to amortization damping cell of roofing ventilation blower.
Background
Ventilators, as a mechanical facility for the exchange of room air, are present in large numbers in civil buildings at various sites: for example, the air supply and exhaust fan can replace indoor air by outdoor air in transitional seasons, the flat-time exhaust fan and the flat-time supplementary fan of an oil fume exhaust system of a catering kitchen, the exhaust fan for removing peculiar smell in a room, and the exhaust fan for removing residual heat and residual humidity in the room.
Except that preventing smoke exhaust fan need set up inside and outside special computer lab, the ventilation blower that uses at ordinary times, especially set up in the ordinary time ventilation blower of roofing and often adopt the mode of open-air installation, reducible building area's occupation like this. The fan inevitably generates aerodynamic noise, mechanical noise, electromagnetic noise, structural noise and the like in the operation process, and also generates obvious vibration. If proper noise reduction and vibration reduction measures are not considered, the noise can be directly transmitted to the ambient environment, and the vibration can also be directly transmitted to the adjacent building space under the fan foundation, so that the normal use of the ambient and lower spaces is obviously influenced, and particularly the influence of the ordinary ventilator with large wind quantity can cause a great deal of complaint. The invention is specially designed according to the actual needs.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art problem, the utility model provides a noise reduction damping cell of roofing ventilation blower can improve more than not enough.
The utility model relates to a noise reduction and vibration reduction cell of a roof ventilator, which is arranged on the finished surface of a roof structure, and comprises a concrete foundation, a damping spring damper, a cell shell, a ventilator and a silencer, wherein the concrete foundation is arranged on the finished surface of the roof structure; a spring shock absorber is arranged below the steel base and is fixed on a concrete foundation; the small chamber shell is provided with small holes, and the perforation rate of the small chamber shell is 30%; the silencer is arranged in the small chamber shell, one end of the silencer is connected with the ventilator through a fireproof soft joint and an air outlet pipe, and the other end of the silencer is contacted with an air outlet of the small chamber; the inlet end of the ventilator is connected with an air inlet pipe through a fireproof soft joint, and the air inlet pipe is connected with an exhaust system.
Furthermore, rain-proof elbow is arranged on the outer side of the small chamber shell, and the included angle between the end face of the elbow and the small chamber shell is about 30 degrees.
Further, the cell shell comprises a galvanized steel plate with the thickness of 1.2mm, red centrifugal glass wool with the thickness of 50-100 mm and a perforated galvanized steel plate with the thickness of 0.8mm from outside to inside, wherein the density of the red centrifugal glass wool is 48kg/m3。
Further, the small chamber shell is provided with a sound insulation access door.
Further, the width of the sound insulation access door is not less than 700 mm.
Furthermore, the distance between the left side, the right side and the top of the ventilator shell and the inner surface of the chamber shell is not less than 600 mm.
Adopt the utility model discloses a design utilizes noise elimination damping cell to control the noise and the vibration of ventilation blower, and the noise of effectual isolated ventilation blower operation transmits the surrounding environment, especially sets up in near sensitive factor's ventilation blower, and the vibration that can effectively isolated ventilation blower operation simultaneously transmits to the adjacent usage space in roofing lower part.
Drawings
Fig. 1 is a schematic structural section view of the present invention.
Fig. 2 is a top view of the present invention.
The figure is as follows: 1 roof structure finish surface, 2 concrete foundation, 3 spring shock absorbers, 4 steel bases, 5 small-chamber shells, 6 fireproof soft joints, 7 air pipes, 8 silencers, 9 sound insulation access doors, 10 rainproof elbows and 11 ventilators.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the utility model relates to a noise-reduction and vibration-reduction chamber of a roof ventilator, which is arranged on a roof structure finished surface 1, and comprises a concrete foundation 2, a vibration-reduction spring damper 3, a chamber shell 5, a ventilator 11, and a silencer 8, wherein the concrete foundation is arranged on the roof structure finished surface, the ventilator is arranged inside the chamber shell, the chamber shell comprises a steel base 4, and a chamber shell is contacted with the steel base in a welding or bolt fixing manner; a spring shock absorber is arranged below the steel base and is fixed on a concrete foundation; the small chamber shell is provided with small holes, and the perforation rate of the small chamber shell is 30%; the silencer is arranged in the small chamber shell, one end of the silencer is connected with the ventilator through a fireproof soft joint and an air outlet pipe, and the other end of the silencer is contacted with an air outlet of the small chamber; the inlet end of the ventilator is connected with an air inlet pipe through a fireproof soft joint, and the air inlet pipe is connected with an exhaust system.
In order to shield the exhaust end, a rainproof elbow is arranged on the outer side of the small chamber shell, the included angle between the end face of the elbow and the small chamber shell is about 30 degrees, and raindrops inclined at the included angle cannot enter the elbow.
Further, the cell shell comprises a galvanized steel plate with the thickness of 1.2mm, red centrifugal glass wool with the thickness of 50-100 mm and a perforated galvanized steel plate with the thickness of 0.8mm from outside to inside, wherein the density of the red centrifugal glass wool is 48kg/m3。
In order to facilitate the overhaul of workers, the chamber shell is provided with a sound insulation access door, and the width of the sound insulation access door is not less than 700 mm.
Furthermore, the distance between the left side, the right side and the top of the ventilator shell and the inner surface of the chamber shell is not less than 600 mm.
The ventilator is configured by combining the specification of a silencer arranged on one side where the ventilator is communicated with the outside with the requirements of ventilator noise and outdoor environment noise, and the specification of a spring shock absorber arranged between the steel base and the concrete foundation is configured by combining the weight and the rotating speed of the ventilator.
Adopt the utility model discloses a design utilizes noise elimination damping cell to control the noise and the vibration of ventilation blower, and the noise of effectual isolated ventilation blower operation transmits the surrounding environment, especially sets up in near sensitive factor's ventilation blower, and the vibration that can effectively isolated ventilation blower operation simultaneously transmits to the adjacent usage space in roofing lower part.
Claims (6)
1. The utility model provides a amortization damping cell of roofing ventilation blower, sets up on roof structure accomplishes the face, including the concrete foundation, subtracts spring damper, cell casing and ventilation blower, its characterized in that: the concrete foundation is arranged on the finished surface of the roof structure, the ventilator is arranged in the small chamber shell, and the small chamber shell comprises a steel base; a spring shock absorber is arranged below the steel base and is fixed on a concrete foundation; the small chamber shell is provided with small holes, and the perforation rate of the small chamber shell is 30%; the silencer is arranged in the small chamber shell, one end of the silencer is connected with the ventilator through a fireproof soft joint and an air outlet pipe, and the other end of the silencer is contacted with an air outlet of the small chamber; the inlet end of the ventilator is connected with the air inlet pipe through a fireproof soft joint.
2. A sound-deadening and vibration-damping cell for a roofing ventilator as defined in claim 1, wherein: and a rainproof elbow is arranged on the outer side of the small chamber shell.
3. A sound-deadening and vibration-damping cell for a roofing ventilator as defined in claim 1, wherein: the small chamber shell comprises a galvanized steel plate with the thickness of 1.2mm, red centrifugal glass wool with the thickness of 50-100 mm and a perforated galvanized steel plate with the thickness of 0.8mm from outside to inside.
4. A sound-deadening and vibration-damping cell for a roofing ventilator as defined in claim 1, wherein: the small chamber shell is provided with a sound insulation access door.
5. A sound-deadening and vibration-damping cell for a roofing ventilator as defined in claim 4, wherein: the width of the sound insulation access door is not less than 700 mm.
6. A sound-deadening and vibration-damping cell for a roofing ventilator as defined in claim 4, wherein: the distance between the left side, the right side and the top of the ventilator shell and the inner surface of the chamber shell is not less than 600 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010392.5U CN214307447U (en) | 2021-01-05 | 2021-01-05 | Noise-reduction vibration-reduction small chamber of roof ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010392.5U CN214307447U (en) | 2021-01-05 | 2021-01-05 | Noise-reduction vibration-reduction small chamber of roof ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214307447U true CN214307447U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120010392.5U Active CN214307447U (en) | 2021-01-05 | 2021-01-05 | Noise-reduction vibration-reduction small chamber of roof ventilator |
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| CN (1) | CN214307447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264937A (en) * | 2022-05-30 | 2022-11-01 | 北京格林贝斯装饰工程有限公司 | Fresh air handling unit and noise reduction device of VAV BOX |
-
2021
- 2021-01-05 CN CN202120010392.5U patent/CN214307447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264937A (en) * | 2022-05-30 | 2022-11-01 | 北京格林贝斯装饰工程有限公司 | Fresh air handling unit and noise reduction device of VAV BOX |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 20th floor, 6 xiyulong street, Qingyang District, Chengdu, Sichuan 610000 Patentee after: Chengdu benchmark Fangzhong Architectural Design Co.,Ltd. Address before: 20th floor, 6 xiyulong street, Qingyang District, Chengdu, Sichuan 610000 Patentee before: Chengdu Datum Fangzhong Architectural Design Co.,Ltd. Address after: 20th floor, 6 xiyulong street, Qingyang District, Chengdu, Sichuan 610000 Patentee after: Benchmark Fangzhong Architectural Design Co.,Ltd. Address before: 20th floor, 6 xiyulong street, Qingyang District, Chengdu, Sichuan 610000 Patentee before: Chengdu benchmark Fangzhong Architectural Design Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |