CN210033185U - Ventilation noise reduction door - Google Patents
Ventilation noise reduction door Download PDFInfo
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- CN210033185U CN210033185U CN201920559606.7U CN201920559606U CN210033185U CN 210033185 U CN210033185 U CN 210033185U CN 201920559606 U CN201920559606 U CN 201920559606U CN 210033185 U CN210033185 U CN 210033185U
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Abstract
The application discloses door of making an uproar falls in ventilation includes: the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer; the sound insulation door plate is fixed on the sound insulation door frame; the ventilation silencer is arranged on the sound insulation door plate; a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and is matched with the silencer air inlet of the ventilation silencer; the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan; an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet; the guide plates are arranged at the air inlet and the air outlet of the silencer; the exhaust fan is arranged at the air outlet end of the silencer of the air duct. The application provides a ventilation noise reduction door, through the sound insulation effect of sound insulation door plant and sound insulation door frame, with the transformer noise and the resident building isolation in the distribution room, simultaneously, be provided with the ventilation silencer on the sound insulation door plant, the ventilation silencer has good sound absorption effect, can reach the purpose of making an uproar of falling in the aeration cooling to the distribution room.
Description
Technical Field
The application relates to the technical field of noise control, especially, relate to a door of making an uproar falls in ventilation.
Background
With the acceleration of urban and rural power grid construction steps, the power generation amount of a power grid and the power consumption of users increase day by day, the total capacity of a transformer with 1kVA needs to be increased when the power generation amount of 1kW is increased, according to statistics, dry-type distribution transformers occupy 1/5-1/4 of all distribution transformers, and the dry-type distribution transformers are often arranged in distribution rooms near residential buildings of a community. The dry type distribution transformer generates large noise during operation, which seriously affects the daily life of residents, especially the rest at night, so the noise generated by the transformer is urgently needed to be processed.
The noise control mainly controls the influence of noise from three ways, namely a sound source, a transmission way and a receiving place, the control from the transmission way is one of the simplest and most effective methods for noise control, and the noise generated by the transformer is mainly transmitted to the upstairs of residents from doors and windows of a power distribution room to influence the daily life of the residents. In order to reduce noise, the current solution is mainly to place the transformer in the space that is relatively confined, but the door and window that will join in marriage the electrical room is sealed up, the transformer can lead to the temperature to rise and damage easily because of the not circulation of air in joining in marriage the electrical room, and then as the improvement, arrange on the wall body surface of joining in marriage the electrical room and inhale sound and noise barrier material, set up the shutter on the wall body, can solve the ventilation heat dissipation of transformer better and fall the problem of making an uproar, but the electrical room ventilation requirement that the transformer was located is higher, the ventilation mode that sets up the shutter on the wall body often can not satisfy the ventilation requirement, make the transformer damage easily lead to the power system trouble, arrange on the wall body surface and inhale sound and noise barrier material.
SUMMERY OF THE UTILITY MODEL
The application provides a ventilation noise reduction door for solve the ventilation noise reduction problem of transformer distribution room.
The application provides a ventilation noise reduction door, include: the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer;
the sound insulation door plate is fixed on the sound insulation door frame;
the ventilation silencer is arranged on the sound insulation door plate;
a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and the door plate air inlet is matched with a silencer air inlet of the ventilation silencer;
the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan;
an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet;
the guide plates are arranged at the air inlet of the silencer and the air outlet of the silencer;
the exhaust fan is arranged at the air outlet end of the silencer of the air duct.
Preferably, sound absorption baffles are uniformly and alternately arranged inside the air duct;
the sound absorption baffle is provided with multilayer sound absorption structure, is metal mesh, dustproof and waterproof cloth, inhales sound cotton, damping and corrosion resistant plate in proper order.
Preferably, the sound insulation door plate is of a double-layer sound insulation structure and sequentially comprises a first stainless steel plate layer, a first damping sound insulation layer, a sound absorption cotton layer, a second damping sound insulation layer and a second stainless steel plate layer.
Preferably, the sound insulation door frame is hollow, and the hollow position is filled with a sound insulation material.
Preferably, the sound insulation door frame and the sound insulation door plate are fixed through hinges.
Preferably, the ventilation noise reduction door is a double door.
Preferably, a sealing rubber strip is arranged between the sound insulation door frame and the sound insulation door plate;
and a sealing rubber strip is arranged between the two sound insulation door plates.
Preferably, the door panel air inlet is a rectangular hole;
and the rectangular opening is provided with a louvered air inlet window.
Preferably, the exhaust volume of the exhaust fan is more than 3000 cubic meters per hour.
Preferably, a door plate air outlet is further arranged on the sound insulation door plate.
According to the technical scheme, the method has the following advantages:
a ventilation noise reduction door provided in the present application comprises: the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer; the sound insulation door plate is fixed on the sound insulation door frame; the ventilation silencer is arranged on the sound insulation door plate; a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and is matched with the silencer air inlet of the ventilation silencer; the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan; an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet; the guide plates are arranged at the air inlet and the air outlet of the silencer; the exhaust fan is arranged at the air outlet end of the silencer of the air duct. The application provides a ventilation noise reduction door, through the sound insulation effect of sound insulation door plant and sound insulation door frame, with the transformer noise and the resident building isolation in the distribution room, simultaneously, be provided with the ventilation silencer on the sound insulation door plant, the ventilation silencer has good sound absorption effect, can reach the purpose of making an uproar of falling in the aeration cooling to the distribution room.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic front view of a ventilation noise reduction door provided in an embodiment of the present application;
FIG. 2 is a schematic side view of a ventilation noise reduction door according to an embodiment of the present disclosure;
FIG. 3 is a top view of a ventilation noise reduction door provided in an embodiment of the present application;
FIG. 4 is a schematic structural view of a ventilation muffler provided in an embodiment of the present application;
wherein the reference numerals are:
1. a sound insulation door frame; 2. a sound insulation door panel; 3. a ventilation muffler; 4. a louvered air inlet window; 5. an air inlet of the silencer; 6. an air outlet of the muffler; 7. a sound absorbing housing; 8. a baffle; 9. an exhaust fan; 10. an air duct; 11. a sound absorbing baffle; 12. a metal mesh; 13. wind dust waterproof cloth; 14. sound-absorbing cotton; 15. damping; 16. a stainless steel plate; 17. a first stainless steel deck; 18. a first damping soundproof layer; 19. a sound absorbing cotton layer; 20. a second damping soundproof layer; 21. a second stainless steel deck; 22. a hinge; 23. and sealing rubber strips.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and 4, the present application provides an embodiment of a ventilation and noise reduction door, which includes: the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer;
the sound insulation door plate is fixed on the sound insulation door frame;
the ventilation silencer is arranged on the sound insulation door plate;
a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and is matched with the silencer air inlet of the ventilation silencer;
the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan;
an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet;
the guide plates are arranged at the air inlet and the air outlet of the silencer;
the exhaust fan is arranged at the air outlet end of the silencer of the air duct.
It should be noted that, in the embodiment of the present application, the sound insulation door frame can be tightly attached to a wall, the sound insulation door frame and the sound insulation door panel are made of a sound insulation material, and have a sound insulation effect, and the sound insulation door frame is used for fixing the sound insulation door panel, as shown in fig. 1. In order to avoid the damage phenomenon caused by the temperature rise of the transformer due to the relative close space of the transformer in the distribution room and the non-circulation of air, in the embodiment of the invention, the sound insulation door panel is provided with the ventilation silencer, the ventilation silencer is composed of a sound absorption shell, a guide plate and an exhaust fan, as shown in figure 4, the sound absorption shell is internally provided with an air duct which is communicated with the silencer air inlet and the silencer air outlet, thus, outdoor air flow enters the air duct through the door panel air inlet and the silencer air inlet, the guide plate is arranged at the silencer air inlet and guides the air flow passing through the silencer air inlet, the exhaust fan is arranged at the position of the air duct close to the silencer air outlet and conducts the air flow guide by the guide plate which is also arranged at the silencer air outlet, thus, under the action of the ventilation silencer, the outdoor air and the air in the distribution room, the possibility of damage due to temperature rise of the transformer is reduced.
The ventilation noise reduction door that provides in this application embodiment, through the sound insulation effect of sound insulation door plant and sound insulation door frame, with the transformer noise in the distribution room with the resident building keep apart, simultaneously, be provided with the ventilation silencer on the sound insulation door plant, the ventilation silencer has good sound absorption effect, can reach the purpose of making an uproar of falling in the ventilation cooling to the distribution room.
For ease of understanding, please refer to fig. 1-4, the present application provides another embodiment of a ventilation noise reduction door, comprising:
the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer;
the sound insulation door plate is fixed on the sound insulation door frame;
the ventilation silencer is arranged on the sound insulation door plate;
a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and is matched with the silencer air inlet of the ventilation silencer;
the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan;
an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet;
the guide plates are arranged at the air inlet and the air outlet of the silencer;
the exhaust fan is arranged at the air outlet end of the silencer of the air duct.
Furthermore, sound absorption baffles are uniformly and alternately arranged inside the air duct;
the sound absorption baffle is provided with multilayer sound absorption structure, is metal mesh, dustproof and waterproof cloth, inhales sound cotton, damping and corrosion resistant plate in proper order.
Furthermore, the sound insulation door plate is of a double-layer sound insulation structure and sequentially comprises a first stainless steel plate layer, a first damping sound insulation layer, a sound absorption cotton layer, a second damping sound insulation layer and a second stainless steel plate layer.
Furthermore, the sound insulation door frame is hollow, and sound insulation materials are filled in the hollow position.
Furthermore, the sound insulation door frame and the sound insulation door plate are fixed through hinges.
Further, the ventilation noise reduction door is a double door.
Furthermore, a sealing rubber strip is arranged between the sound insulation door frame and the sound insulation door plate;
and a sealing rubber strip is arranged between the two sound insulation door plates.
Further, the air inlet of the door panel is a rectangular hole;
the rectangular opening is provided with a louvered air inlet window.
Furthermore, the exhaust volume of the exhaust fan is more than 3000 cubic meters per hour.
Furthermore, a door plate air outlet is also arranged on the sound insulation door plate.
It should be noted that, in the embodiment of the application, the sound insulation door frame is tightly attached to the wall body, and has a sound insulation effect; the frame body of the sound insulation door frame is hollow, and is used for filling sound insulation materials with good sound insulation performance, so that sound transmission is prevented, and the sound insulation performance of the ventilation noise reduction door is improved; the sound insulation door frame can be made of a stainless steel plate with the thickness of 2mm, and has good antirust and anticorrosion effects.
The sound insulation door plate adopts a double-layer sound insulation structure, is about 40mm in thickness, consists of a 1mm stainless steel plate layer, a 2mm damping sound insulation layer, a 40mm sound absorption cotton layer, a 2mm damping sound insulation layer and a 1.20mm stainless steel plate layer from inside to outside, and is used for fixing and sound insulation of the whole sound insulation wall body. A rectangular hole of 200mm x 300mm, namely a door plate air inlet, is formed in the sound insulation door plate 1.5m and used for installing a louvered air inlet window of the ventilation silencer, and the structure is shown in fig. 1.
As shown in fig. 2 and 3, the sound insulation door frame and the sound insulation door plate are fixedly connected through the hinges, sealing rubber strips can be arranged between the sound insulation door frame and the sound insulation door plate and between the two sound insulation door plates, the sound insulation effect is enhanced, and gaps are prevented from being left between the sound insulation door frame and the sound insulation door plate and between the two sound insulation door plates, so that noise leakage is caused.
As shown in fig. 4, the ventilation muffler is composed of a sound-absorbing housing, a baffle, a sound-absorbing baffle, and an exhaust fan, and the size of the ventilation muffler may be 300mm by 200mm by 1200 mm. The sound absorption shell and the guide plate are of a multilayer sound absorption structure, the thickness of the sound absorption shell and the guide plate is about 30mm, the sound absorption shell mainly comprises a 1mm metal net, dustproof and waterproof cloth, 30mm sound absorption cotton, 2mm damping and 1mm stainless steel plates from inside to outside, and the sound absorption shell and the guide plate have waterproof, dustproof and sound absorption effects. The sound absorption baffle is evenly distributed in the air channels at two sides of the ventilation silencer so as to increase the distance of sound passing and increase the sound absorption efficiency. The sound absorption baffle adopts multilayer sound absorption structure equally, and its thickness is about 30mm, mainly comprises 1mm metal mesh, dustproof and waterproof cloth, 30mm sound absorption cotton, 2mm damping and 1mm stainless steel plate from inside to outside.
The area of a power distribution room of a common residential building is generally 50-200 square meters, the calculated value of the air exhaust amount is in the range of 1000-4000 cubic meters per hour, and in order to ensure the ventilation and cooling of the power distribution room, in the embodiment of the application, the air exhaust amount of the exhaust fan is more than 3000 cubic meters per hour. Meanwhile, in order to realize smooth air flow conversion between indoor air flow and outdoor air flow, a door plate air outlet can be further formed in the sound insulation door plate.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A ventilation noise reduction door, comprising: the sound insulation door comprises a sound insulation door frame, a sound insulation door plate and a ventilation silencer;
the sound insulation door plate is fixed on the sound insulation door frame;
the ventilation silencer is arranged on the sound insulation door plate;
a door plate air inlet is formed in the position, where the ventilation silencer is installed, of the sound insulation door plate, and the door plate air inlet is matched with a silencer air inlet of the ventilation silencer;
the ventilation muffler includes: the sound absorption device comprises a sound absorption shell, a guide plate and an exhaust fan;
an air duct is arranged in the sound absorption shell and is communicated with the silencer air inlet and the silencer air outlet;
the guide plates are arranged at the air inlet of the silencer and the air outlet of the silencer;
the exhaust fan is arranged at the air outlet end of the silencer of the air duct.
2. The ventilation and noise reduction door of claim 1, wherein the inside of the air duct is uniformly staggered with sound absorption baffles;
the sound absorption baffle is provided with multilayer sound absorption structure, is metal mesh, dustproof and waterproof cloth, inhales sound cotton, damping and corrosion resistant plate in proper order.
3. The ventilation and noise reduction door according to claim 1, wherein the soundproof door panel has a double-layer soundproof structure comprising a first stainless steel plate layer, a first damping soundproof layer, a sound-absorbing cotton layer, a second damping soundproof layer and a second stainless steel plate layer.
4. The ventilation and noise reduction door of claim 1, wherein the sound insulation door frame is hollow inside, and the hollow position is filled with sound insulation material.
5. The ventilation and noise reduction door of claim 1, wherein the sound-proof door frame and the sound-proof door panel are secured by hinges.
6. The ventilation noise reduction door of claim 5, wherein the ventilation noise reduction door is a double door.
7. The ventilation and noise reduction door of claim 6, wherein a sealing rubber strip is arranged between the sound insulation door frame and the sound insulation door plate;
and a sealing rubber strip is arranged between the two sound insulation door plates.
8. The ventilation and noise reduction door according to claim 1, wherein the door panel air inlet is a rectangular hole;
and the rectangular opening is provided with a louvered air inlet window.
9. The ventilation and noise reduction door of claim 1, wherein the exhaust volume of the exhaust fan is greater than 3000 m/hr.
10. The ventilation and noise reduction door of claim 1, wherein the sound insulation door panel is further provided with a door panel air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559606.7U CN210033185U (en) | 2019-04-23 | 2019-04-23 | Ventilation noise reduction door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559606.7U CN210033185U (en) | 2019-04-23 | 2019-04-23 | Ventilation noise reduction door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033185U true CN210033185U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920559606.7U Active CN210033185U (en) | 2019-04-23 | 2019-04-23 | Ventilation noise reduction door |
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| CN (1) | CN210033185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804186A (en) * | 2021-08-30 | 2021-12-17 | 中国船舶重工集团公司第七0七研究所 | Air-cooled high accuracy inertial navigation system structure of making an uproar falls |
-
2019
- 2019-04-23 CN CN201920559606.7U patent/CN210033185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804186A (en) * | 2021-08-30 | 2021-12-17 | 中国船舶重工集团公司第七0七研究所 | Air-cooled high accuracy inertial navigation system structure of making an uproar falls |
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