CN217480914U

CN217480914U - Wind pressure balance sound-proof device

Info

Publication number: CN217480914U
Application number: CN202221101824.4U
Authority: CN
Inventors: 郭磊
Original assignee: Mofang Kuacang Shanghai Acoustic Technology Co ltd
Current assignee: Mofang Kuacang Shanghai Acoustic Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-23
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a wind pressure balance sound-proof device, which comprises a bottom plate, a top plate, a door plate, three wall plates and four corner connecting columns, wherein the bottom plate, the top plate, the door plate, the three wall plates and the four corner connecting columns are spliced to form a sound-proof space; the wall plate is provided with a top plate, a wallboard and an air outlet fan, wherein the top plate is provided with the air inlet fan, the air outlet fan is arranged on the wallboard, and the air exhaust volume of the air outlet fan is matched with the air supply volume of the air inlet fan. The utility model provides a balanced noise insulation of wind pressure through set up air-out fan on noise insulation's wallboard to make air-out fan's the air output and the air supply volume phase-match of air-out fan on the roof, thereby make the air inlet in the noise insulation reach the balance with airing exhaust, avoid the inside uneven condition that causes the uncomfortable of user's health of appearing pressure of noise insulation to take place, can provide more comfortable syllable-dividing operational environment for the user.

Description

Wind pressure balance sound-proof device

Technical Field

The utility model relates to a technical field of making an uproar falls in giving sound insulation, more specifically relates to a balanced noise insulation of wind pressure.

Background

The sound insulation device is characterized in that a quiet room or small room with certain sound insulation performance is built in a local environment space, so that the influence of external noise is prevented, and personnel in the room can carry out activities such as meeting, working, resting, answering calls and the like. The acoustic barrier is a closed space, and in order to ensure a comfortable shape when a user is inside the acoustic barrier, a ventilation system is generally provided on the acoustic barrier to allow air inside the acoustic barrier to flow, increasing the comfort when the user is inside the acoustic barrier.

The ventilation system on the noise insulation device is generally an air inlet fan arranged on the noise insulation device, and air outside the noise insulation device is sent into the noise insulation device through the air inlet fan, so that the air flowability inside the noise insulation device is increased. However, the existing sound insulation device is only provided with the air inlet fan, when a user stands inside the sound insulation device, the air inlet fan continuously sends air into the sound insulation device, so that the internal pressure of the sound insulation device is unbalanced, pressure is caused to eardrums of ears of the user, and the user feels uncomfortable.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a wind pressure balance noise insulation aims at solving the problem that exists among the prior art.

According to the utility model, a wind pressure balance sound insulation device is provided, which comprises a bottom plate, a top plate, wall plates and door plates, wherein the bottom plate, the top plate, the wall plates and the door plates are spliced to form a sound insulation space; wherein the content of the first and second substances,

the air inlet fan is arranged on the top plate, the air outlet fan is arranged on the wallboard, and the air exhaust volume of the air outlet fan is matched with the air supply volume of the air inlet fan.

Preferably, the middle part of the top plate is provided with an air inlet, and the air inlet fan is detachably connected to the air inlet of the top plate.

Preferably, the lower part of the wall plate is provided with an air outlet, and the air outlet fan is detachably connected to the air outlet of the wall plate.

Preferably, the number of the air inlet fans and the number of the air outlet fans are two, and the two air inlet fans are arranged at the air inlet of the top plate in parallel; and the two air outlet fans are arranged at the air outlet on the wallboard in parallel.

Preferably, the air inlet fan and the air outlet fan are both axial flow ventilators.

Preferably, install the speed regulator on the inside wall of wallboard, the air inlet fan with after parallel connection between the air outlet fan through interconnecting link with speed regulator electric connection, the speed regulator is connected with external power source through interconnecting link.

Preferably, the outer side wall of the wall plate is provided with a power interface, and the speed regulator is electrically connected with the power interface.

Preferably, the air inlet and the air outlet are both provided with fan mounting plates, the outer frame of the air inlet fan is connected with the fan mounting plate on the air inlet through screws, and the outer frame of the air outlet fan is connected with the fan mounting plate on the air outlet through screws.

Preferably, a damping gasket is arranged between the outer frame of the air inlet fan and the outer frame of the air outlet fan and the fan mounting plate.

Preferably, fan protection covers are detachably mounted on two sides of the air inlet and two sides of the air outlet.

The utility model provides a balanced noise insulation of wind pressure through set up the air-out fan on noise insulation's wallboard to the air supply volume phase-match of the air-out fan on the volume of airing exhaust that makes air-out fan and the roof, thereby make the air inlet in the noise insulation reach balancedly with airing exhaust, avoid the inside pressure imbalance of appearing of noise insulation and cause the uncomfortable condition of user's health to take place, can provide more comfortable syllable-dividing operational environment for the user.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 shows a schematic perspective view of a wind pressure balance sound insulation device according to an embodiment of the present invention.

Fig. 2 shows a schematic view of a three-dimensional structure of a wind pressure balance sound-proofing device in a door-opening state according to an embodiment of the present invention.

Fig. 3 shows the schematic view of the installation structure of the air outlet fan at the air outlet in the air pressure balance sound insulation device according to the embodiment of the present invention.

In the figure: the air conditioner comprises a bottom plate 11, a top plate 12, a wall plate 13, an air outlet 131, a fan mounting plate 132, a door plate 14, a corner connecting column 15, an air inlet fan 2, an air outlet fan 3, an outer frame 31, a fan impeller 32, a speed regulator 4, a power supply interface 5, a fan protective cover 6, a damping gasket 7 and a screw 8.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

The utility model provides a wind pressure balance sound-proof device, which comprises a bottom plate 11, a top plate 12, a wallboard 13 and a door plate 14, wherein the bottom plate 11, the top plate 12, the wallboard 13 and the door plate 14 are spliced to form a sound-proof space; wherein, be equipped with air inlet fan 2 on the roof 12, be equipped with air outlet fan 3 on the wallboard 13, air outlet fan 3's the volume of airing exhaust with air inlet fan 2's air supply volume phase-match.

Specifically, the whole of the sound-insulating device may have a rectangular parallelepiped shape, a cylindrical shape, etc., and referring to fig. 1 and 2, in this embodiment, the sound-insulating device has a rectangular parallelepiped shape, and includes three wall panels 13 and four corner connecting columns 15, the four corner connecting columns 15 are connected between the top plate 12 and the top plate 12, and the three wall panels 13 and one door panel 14 are connected between two adjacent corner connecting columns 15. This noise insulation is through setting up air inlet fan 2 on roof 12, can guarantee that the air in the sound insulation space flows, through setting up air outlet fan 3 on wallboard 13, and make air outlet fan 3's the volume of airing exhaust and air inlet fan 2's air supply volume phase-match, can make the air inlet in the noise insulation reach the equilibrium with airing exhaust, avoid the inside condition that pressure is unbalanced that appears of noise insulation, prevent to cause pressure because of the unbalanced air pressure is to user's ear tympanic membrane, provide more comfortable syllable-dividing operational environment for the user.

Further, an air inlet is formed in the middle of the top plate 12, the air inlet fan 2 is detachably connected to the air inlet of the top plate 12, an air outlet 131 is formed in the lower portion of the wall plate 13, and the air outlet fan 3 is detachably connected to the air outlet 131 of the wall plate 13. Air inlet fan 2 and air outlet fan 3 are connected in air intake and air outlet 131 department through detachably mode respectively, can conveniently dismantle after the fan breaks down and maintain or change. Simultaneously, set up air inlet fan 2 in roof 12 middle part to and set up air outlet fan 3 in the lower part of wallboard 13, can make air inlet fan 2 send into the inside air current from the air intake from the top of noise insulation inside and flow in whole noise insulation, make the inside air of whole noise insulation can both obtain the circulation exchange. In this embodiment, air inlet fan 2 and air outlet fan 3 are equipped with two respectively, two air inlet fan 2 sets up side by side in the air intake department of roof 12, two air outlet fan 3 sets up air outlet 131 department on wallboard 13 side by side, and the fan of same specification is all chooseed for use to two air inlet fan 2 and two air outlet fan 3 to guarantee that two air outlet fan 3's the volume of airing exhaust and two air inlet fan 2's air supply volume equals.

Furthermore, axial flow ventilation fans are used for the air inlet fan 2 and the air outlet fan 3, when the axial flow ventilation fans work, the blades push air to flow in the same direction as the shafts, and the air inlet and outlet fan is suitable for ventilation and air exchange of the closed space of the sound insulation device. The air inlet fan 2 and the air outlet fan 3 both comprise an outer frame 31 and a fan wheel 32, the middle part of the outer frame 31 is a circular through hole, and the fan wheel 32 is rotatably installed in the circular through hole of the outer frame 31.

In this embodiment, the air inlet fan 2 is installed in the air inlet of the top plate 12, the air outlet fan 3 is installed in the air outlet 131 of the wall plate 13, the fan mounting plates 132 are respectively arranged in the air inlet and the air outlet 131, the outer frame of the air inlet fan 2 is connected with the fan mounting plate 132 on the air inlet through screws 8, and the outer frame 31 of the air outlet fan 3 is connected with the fan mounting plate 132 on the air outlet 131 through screws 8; be equipped with vibration damping gasket 7 between the frame of air inlet fan 2 and the fan mounting panel 132 of air inlet department, be equipped with vibration damping gasket 7 between the frame 31 of air outlet fan 3 and the fan mounting panel 132 of air outlet 131 department, circular gasket that ethylene-propylene-diene monomer foam rubber made can be chooseed for use to vibration damping gasket 7, and screw 8 passes frame 31, vibration damping gasket 7 and the fan mounting panel 132 of fan in proper order and is connected, and vibration damping gasket 7 can prevent that the fan during operation from producing vibration, reduces the noise of fan during operation. It can be understood that the inlet fan 2 and the outlet fan 3 can also be installed at the air inlet and the air outlet 131 by other installation methods. As shown in fig. 3, which is a schematic view of the installation of the outlet fan 3 at the outlet 131, the installation form of the inlet fan 2 can refer to the schematic view of the outlet fan 3.

Further, fan protection casing 6 is installed to the both sides of air intake with the equal detachably in both sides of air outlet 131, fan protection casing 6 can be for the protection casing of shutter structure or grid structure, through setting up fan protection casing 6, can avoid the user in the isolating device to touch the flabellum of air inlet fan 2 or air outlet fan 3, guarantees user's safety, also can avoid the outside large-scale foreign matter of isolating device to produce the potential safety hazard in being inhaled the fan simultaneously. In order to prevent the cleanliness of the air sent into the isolation device from the air inlet, a filter screen is arranged on the outer side of the air inlet and used for filtering impurities such as dust in the air and ensuring the cleanliness of the air sent into the isolation device by the air inlet fan 2.

Further, install speed regulator 4 on the inside wall of wallboard 13, air inlet fan 2 with after parallel connection between the air outlet fan 3 through interconnecting link with speed regulator 4 electric connection, speed regulator 4 is connected with external power source through interconnecting link. Can control opening of air inlet fan 2 and air outlet fan 3 simultaneously through speed regulator 4 and stop and the rotational speed, make isolating device keep the volume of airing exhaust all the time and the air supply volume equals, make the inside wind pressure balance of isolating device, travelling comfort when increasing the use. In this embodiment, still be equipped with power source 5 on the lateral wall of wallboard 13, speed regulator 4 and power source 5 electric connection are connected with external power source through power source 5 connecting power cord and are connected, can provide the power for air inlet fan 2 and air outlet fan 3.

To sum up, the utility model provides a balanced noise insulation of wind pressure is through setting up air-out fan on noise insulation's wallboard to make air-out fan's the volume of airing exhaust and the air supply volume phase-match of air-out fan on the roof, thereby make the air inlet in the noise insulation reach the balance with airing exhaust, avoid the inside uneven condition that causes the uncomfortable of user's health of appearing pressure of noise insulation to take place, can provide more comfortable syllable-dividing operational environment for the user.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. A wind pressure balance sound insulation device is characterized by comprising a bottom plate, a top plate, wall plates and door plates, wherein the bottom plate, the top plate, the wall plates and the door plates are spliced to form a sound insulation space; wherein the content of the first and second substances,

2. The wind pressure balance sound insulation device according to claim 1, wherein an air inlet is formed in the middle of the top plate, and the air inlet fan is detachably connected to the air inlet of the top plate.

3. The wind pressure balance sound insulation device according to claim 2, wherein an air outlet is formed at a lower portion of the wall plate, and the air outlet fan is detachably connected to the air outlet of the wall plate.

4. The wind pressure balance sound insulation device according to claim 3, wherein there are two air inlet fans and two air outlet fans, and the two air inlet fans are arranged in parallel at the air inlet of the top plate; and the two air outlet fans are arranged at the air outlet on the wallboard in parallel.

5. The wind pressure balance sound insulation device according to claim 3, wherein the air inlet fan and the air outlet fan are both axial flow ventilators.

6. The wind pressure balance sound insulation device according to claim 5, wherein a speed regulator is installed on the inner side wall of the wall board, the inlet fan is electrically connected with the speed regulator through a connecting circuit after being connected in parallel with the outlet fan, and the speed regulator is connected with an external power supply through a connecting circuit.

7. The wind pressure balance sound insulation device according to claim 6, wherein a power interface is provided on an outer side wall of the wall plate, and the governor is electrically connected to the power interface.

8. The wind pressure balance sound insulation device according to claim 3, wherein fan mounting plates are provided in the air inlet and the air outlet, the outer frame of the inlet fan is connected with the fan mounting plate on the air inlet through screws, and the outer frame of the outlet fan is connected with the fan mounting plate on the air outlet through screws.

9. The wind pressure balance sound insulation device according to claim 8, wherein a shock absorbing pad is disposed between the outer frame of the inlet fan and the outer frame of the outlet fan and the fan mounting plate.

10. The wind pressure balance sound insulation device according to claim 8, wherein fan protection covers are detachably mounted on both sides of the air inlet and both sides of the air outlet.