CN205383734U - Low noise new trend and exhaust system and acoustics room that has this system - Google Patents

Abstract

The utility model discloses a low-noise fresh air and exhaust system and an acoustic room equipped with the system. The technical problem to be solved is to discharge indoor air to the outside conveniently and quickly, and draw outdoor fresh air into the room. The utility model includes an air supply system and an exhaust system. The fresh air system includes a first noise-absorbing louver. The outlet of the impedance composite muffler is sealed and connected, and the inlet of the impedance composite muffler is sealed and connected with the air outlet of the blower through the second elastic tube; the exhaust system includes a second noise reduction louver, and the second noise reduction shutter is connected to the air inlet of the exhaust fan. The air outlet of the exhaust fan is sealed and connected with a third elastic pipe extending to the outside through the air exhaust hole. Compared with the existing technology, it realizes fast and efficient air replacement in the acoustic room, and also has the characteristics of small size, low power consumption, low noise, high efficiency and low cost.

Description

Low-noise fresh air and exhaust system and acoustic room with this system

technical field

The utility model relates to a building structure, in particular to a low-noise fresh air and exhaust system and an acoustic room with the system.

Background technique

At present, rooms that have special needs for sound, such as recording, are remodeled in the original room foundation, and are easily affected by space and materials during on-site construction, which leads to the need to cut materials according to the size of the site during construction. Cut or choose, when it is built, due to the limitation of the air conditioning system, the air in the acoustic room will be turbid, which will not only easily generate a lot of exhaust gas.

Contents of the invention

The purpose of this utility model is to provide a low-noise fresh air and exhaust system and an acoustic room with the system. The technical problem to be solved is to discharge the indoor air to the outside conveniently and quickly, and pump the outdoor fresh air into the room. , and low noise, high efficiency.

In order to solve the above problems, the utility model adopts the following technical solutions: a low-noise fresh air and exhaust system, including an air supply system and an exhaust system. Acoustic louvers, with a fresh air tunnel opening on the wall or ceiling, a first elastic tube extending through the fresh air tunnel to the outside is sealed and connected to the rear end of the first noise-absorbing louver, and the rear end of the first elastic tube is connected to the impedance compound muffler. The outlet is sealed and connected, and the inlet of the impedance composite muffler is sealed and connected with the air outlet of the blower through the second elastic tube;

The exhaust system includes a second sound-absorbing louver arranged on the indoor wall or ceiling, the second sound-absorbing louver is connected to the air inlet of the exhaust fan, an exhaust hole is arranged on the wall or ceiling, and the air outlet of the exhaust fan The sealing connection is provided with a third elastic pipe extending to the outside through the exhaust hole.

The third elastic tube described in the utility model is also sealed and connected with the noise-eliminating elbow arranged outdoors.

The first elastic tube, the second elastic tube and the third elastic tube described in the utility model adopt rubber elastic tubes.

The air blower and exhaust fan described in the utility model adopt low-noise fans.

Sealing materials are filled between the first elastic tube and the opening of the fresh air tunnel and between the third elastic tube and the opening of the exhaust tunnel described in the utility model.

An acoustic room with a low-noise fresh air and exhaust system, including a vibration-damping floor, sound-insulating and sound-absorbing wall panels arranged around the vibration-damping floor, and a sound-absorbing ceiling arranged on the upper end of the vibration-damping floor There is a sound insulation door on the panel, the sound insulation and sound absorption wall panels and between the sound insulation and sound absorption wall panels and the sound insulation door are fastened and connected by fasteners, and the sound insulation and sound absorption wall panels or the sound absorption A fresh air system and an exhaust system are respectively provided on the ceiling, and the fresh air system includes first noise-absorbing louvers arranged on the sound-insulating and absorbing wall panel or the sound-absorbing ceiling, There is a fresh air tunnel, and the rear end of the first muffler louver is sealed and connected with a first elastic tube extending to the outside through the fresh air tunnel, and the rear end of the first elastic tube is sealed with the outlet of the impedance composite muffler, and the impedance composite muffler The inlet is sealed and connected with the air outlet of the blower through the second elastic tube;

The exhaust system includes a second sound-absorbing louver arranged on the sound-insulating and sound-absorbing wall panel or the sound-absorbing ceiling. An exhaust hole is provided, and the air outlet of the exhaust fan is sealed and connected with a third elastic pipe extending to the outside through the exhaust hole.

The third flexible joint described in the utility model is also sealed and connected with the noise-eliminating elbow arranged outdoors.

The first elastic tube, the second elastic tube and the third elastic tube described in the utility model adopt rubber elastic tubes.

The air blower and exhaust fan described in the utility model adopt low-noise fans.

Sealing materials are filled between the first elastic tube and the opening of the fresh air tunnel and between the third elastic tube and the opening of the exhaust tunnel described in the utility model.

Compared with the prior art, the utility model realizes rapid and efficient air replacement in the acoustic room by adding a low-noise extension unit and an air exhaust system composed of noise-absorbing louvers in the acoustic room, so that the air in the acoustic room It can keep fresh and ventilated, avoid indoor air turbidity caused by poor ventilation, and also has the characteristics of small size, low power consumption, low noise, high efficiency and low cost.

Description of drawings

Fig. 1 is a structural schematic diagram of the fresh air system of the present invention.

Fig. 2 is a structural schematic diagram of the exhaust system of the present invention.

Fig. 3 is a schematic diagram of the expansion of the practical acoustic room structure.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

The low-noise fresh air and exhaust system of the utility model includes an air supply system and an exhaust system.

As shown in Figure 1, the fresh air system includes a first sound-absorbing louver 1 arranged on the indoor wall or ceiling, the first sound-absorbing louver 1 is installed and fixed on the wall or ceiling, and there are openings on the wall or ceiling. The fresh air tunnel opening 2 is sealed and connected to the rear end of the first muffler louver 1 with the first elastic tube 3 extending to the outside through the fresh air tunnel opening 2, and the rear end of the first elastic tube 3 is sealed and connected to the outlet of the impedance composite muffler 4. The composite muffler 4 is installed outdoors, and the inlet of the impedance composite muffler 4 is sealed and connected with the air outlet of the blower 6 through the second elastic tube 5 .

As shown in Figure 2, the exhaust system includes a second sound-absorbing shutter 7 arranged on the indoor wall or ceiling, the second sound-absorbing shutter 7 is fixed on the wall or ceiling, and an exhaust fan is connected to the second sound-absorbing shutter 7 8, the air inlet can be located indoors or outdoors, and an exhaust hole 9 is provided on the wall or ceiling, and the air outlet of the exhaust fan 8 is sealed and connected with a third elastic tube 10 extending to the outside through the exhaust hole 9 , the third elastic tube 10 is also sealingly connected with the noise reduction elbow 11 arranged outdoors, and the air outlet of the noise reduction elbow 11 faces downward and is parallel to the wall.

The first elastic tube 3 , the second elastic tube 5 and the third elastic tube 10 of the utility model adopt rubber elastic tubes; the blower 6 and the exhaust fan 8 adopt low-noise fans.

A sealing material is also filled between the first elastic tube 3 and the fresh air tunnel opening 2 and between the third elastic tube 10 and the air exhaust tunnel opening 9 .

As shown in Fig. 1, Fig. 2 and Fig. 3, the acoustic room structure with low-noise fresh air and exhaust system of the present invention comprises a vibration-damping floor 7 laid horizontally on the ground, and the surrounding edges of the vibration-damping floor 12 are respectively arranged There is a wall surface 13, the wall surface 13 is a sound-insulating and sound-absorbing wall panel 13, and the upper end of the vibration-damping floor 12 is provided with a ceiling 14. When the vibration-damping floor 12 is connected with the sound-insulating and sound-absorbing wall panel 13 and the ceiling 14, a square shape is formed. Box structure, two adjacent sound-insulating and sound-absorbing wall panels 13 and the ceiling 14 are connected and fixed by fasteners. The fasteners are hot-rolled flat steel with a width of 60 mm and a thickness of 8 mm. There are bolt holes for fixing on the steel, and the length of the fasteners can be cut according to the needs. There is a door opening on one of the four sound-insulating and sound-absorbing wall panels 13, and a sound-proof door 16 is installed in the door opening. The sound insulation door 16 is connected and fixed with the sound insulation and sound absorption wall panel 13 by fasteners, and another sound insulation and sound absorption wall panel 13 can also have a window hole, and a sound insulation window 15 is installed in the window hole. The sound-absorbing wall panel 13 or the sound-absorbing ceiling 14 are respectively provided with a fresh air system and an exhaust system.

The fresh air system includes the first sound-absorbing shutter 1 arranged on the sound-insulating and absorbing wall panel 13 or the ceiling 14 on the indoor side, and the first noise-absorbing shutter 1 is fixed on the sound-insulating and absorbing wall panel 13 or the ceiling 14, A fresh air tunnel opening 2 is opened on the sound-insulating and sound-absorbing wall panel 13 or ceiling 14, and the first elastic tube 3 extending to the outside through the fresh air tunnel opening 2 is sealed and connected to the rear end of the first noise-absorbing louver 1. The first elastic tube 3 The rear end of the impedance composite muffler 4 is sealed and connected to the outlet of the impedance composite muffler 4. The impedance composite muffler 4 is arranged outdoors. The entrance of the impedance composite muffler 4 is sealed and connected to the air outlet of the blower 6 through the second elastic tube 5. A sealing material is filled between the pipe 3 and the fresh air tunnel opening 2 .

The exhaust system includes a second sound-absorbing louver 7 on the wall or ceiling on the indoor side, the second sound-absorbing louver 7 is fixed on the wall or ceiling, and the second silencing louver 7 is connected to the air inlet of the exhaust fan 8 , the air inlet can be located indoors or outdoors, and an exhaust hole 9 is arranged on the wall or ceiling. The air outlet of the exhaust fan 8 is sealed and connected with a third elastic tube 10 extending to the outside through the exhaust hole 9. The third elastic The pipe 10 is also sealingly connected with the silencing elbow 11 arranged outdoors, and a sealing material is filled between the third elastic pipe 10 and the exhaust hole 9, and the silencing elbow is also sealed and connected on the third elastic pipe 10 11. The silencing elbow 11 is located outdoors, and the air outlet of the silencing elbow 11 faces downward and is parallel to the wall.

The first elastic tube 3 , the second elastic tube 5 and the third elastic tube 10 are elastic rubber tubes; the blower 6 and the exhaust fan 8 are low-noise fans.

Both the sound-insulating and absorbing wall panel 13 and the ceiling 14 can adopt the combined sound-insulating and absorbing panel with patent number ZL98214491.1; the structure of the damping floor, the connection between the sound-insulating and absorbing wall panel and the ceiling The structure can adopt the shock-absorbing floor with patent No. ZL201420633631.2; the sound insulation door can adopt double-closed sound insulation door with patent No. double air gap sound insulation windows.

The utility model is not only simple in structure, easy to install, power consumption is only 2x26W, and working noise is lower than 32db; it can be used as a new type of ventilation system for various combined acoustic rooms with a ventilation capacity of 165m ³ /h.

Claims (10)

1. the new wind of low noise and exhaust system, including supply air system and exhaust system, it is characterized in that: described supply air system includes the first noise reduction shutter (1) being located on indoor wall or ceiling, metope or ceiling are provided with new wind-tunnel mouth (2), back-end sealing at the first noise reduction shutter (1) is connected to the first elastic tube (3) extending to outdoor through new wind-tunnel mouth (2), the rear end of the first elastic tube (3) is connected with the exit seal of impedance muffler (4), the entrance of described impedance muffler (4) is tightly connected through the air outlet of the second elastic tube (5) Yu pressure fan (6)；

Described exhaust system includes the second noise reduction shutter (7) being located on indoor wall or ceiling, second noise reduction shutter (7) connects the air inlet of exhaust blower (8), being provided with air draft hole (9) on metope or ceiling, the air outlet of exhaust blower 8 is sealedly connected with the 3rd elastic tube (10) extending to outdoor through air draft hole (9).

2. the new wind of low noise according to claim 1 and exhaust system, it is characterised in that: described 3rd elastic tube (10) is also tightly connected with the bend muffler (11) being disposed in the outdoor.

3. the new wind of low noise according to claim 2 and exhaust system, it is characterised in that: described first elastic tube (3), the second elastic tube (5) and the 3rd elastic tube (10) adopt caoutchouc elasticity pipe.

4. the new wind of low noise according to claim 3 and exhaust system, it is characterised in that: described pressure fan (6) and exhaust blower (8) adopt silent ventilator.

5. the new wind of low noise according to claim 4 and exhaust system, it is characterised in that: it is filled with encapsulant between described first elastic tube (3) and new wind-tunnel mouth (2) and between the 3rd elastic tube (10) and air draft hole (9).

null6. an acoustics room with the new wind of low noise as claimed in claim 1 and exhaust system，Also include vibration damping floor (12)、It is arranged on sound insulation acoustic wall panel (13) of vibration damping floor (12) surrounding and is arranged on the absorbing ceiling (14) of vibration damping floor (13) upper end，Sound insulation acoustic wall panel (13) is provided with soundproof door (16)，It is fastenedly connected by securing member between described sound insulation acoustic wall panel (13) and between sound insulation acoustic wall panel (13) and soundproof door (14)，It is characterized in that: described sound insulation acoustic wall panel (13) or absorbing ceiling (14) are respectively equipped with VMC (Ventilation Mechanical Control System) and exhaust system，Described VMC (Ventilation Mechanical Control System) includes the first noise reduction shutter (1) being located on sound insulation acoustic wall panel (13) or absorbing ceiling (14)、Sound insulation acoustic wall panel (13) or absorbing ceiling (14) are provided with new wind-tunnel mouth (2)，Back-end sealing at the first noise reduction shutter (1) is connected to the first elastic tube (3) extending to outdoor through new wind-tunnel mouth (2)，The rear end of the first elastic tube (3) is connected with the exit seal of impedance muffler (4)，The entrance of described impedance muffler (4) is tightly connected through the air outlet of the second elastic tube (5) Yu pressure fan (6)；

Described exhaust system includes the second noise reduction shutter (7) being located on sound insulation acoustic wall panel (13) or absorbing ceiling (14), second noise reduction shutter (7) connects the air inlet of exhaust blower (8), being provided with air draft hole (9) in sound insulation acoustic wall panel (13) or absorbing ceiling (14), the air outlet of exhaust blower (8) is sealedly connected with the 3rd elastic tube (10) extending to outdoor through air draft hole (9).

7. acoustics room according to claim 6, it is characterised in that: described 3rd elastic tube (10) is also tightly connected with the bend muffler (11) being disposed in the outdoor.

8. acoustics room according to claim 7, it is characterised in that: described first elastic tube (3), the second elastic tube (5) and the 3rd elastic tube (10) adopt caoutchouc elasticity pipe.

9. acoustics room according to claim 7, it is characterised in that: described pressure fan (6) and exhaust blower (8) adopt silent ventilator.

10. acoustics room according to claim 9, it is characterised in that: it is filled with encapsulant between described first elastic tube (3) and new wind-tunnel mouth (2) and between the 3rd elastic tube (10) and air draft hole (9).