Modularized silencing cabin

Abstract

The utility model discloses a modularization noise reduction cabin which comprises a square steel frame, modularization sound insulation plates and modularization noise reduction wedges, the square steel frame is of a frame structure formed by splicing a plurality of pieces of square steel through corner connectors and bolts and forms a cabin in a surrounding mode, the square steel forms a plurality of square grids in a cross mode, each square grid is covered with the corresponding modularization sound insulation plate, and the modularization noise reduction wedges are arranged on the modularization sound insulation plates. The modular sound insulation board is arranged on the square steel, the edge of the modular sound insulation board is provided with a turnup matched with the shape of a grid, the turnup is provided with a turnup hole, the turnup is fixed to the square steel by driving a self-drilling screw into the turnup hole, and the modular sound insulation board is provided with a modular silencing wedge on one side of the cabin. By means of the mode, the modularized silencing cabin can isolate most of external environment noise in a complex acoustic environment and form a reflection-free acoustic environment in the interior, and the requirement of an internal acoustic testing environment is met due to the fact that the frame capable of being quickly disassembled, the modularized integrated sound insulation plates and the silencing wedges are built through the square steel.

Description

Technical Field

[0001] The utility model relates to the field of sound insulation cabins, in particular to a modular sound insulation cabin. Background Art

[0002] With the overall improvement of the social income level, more and more buildings, automobiles, communication devices and even daily electronic devices take comfort as an important consideration criterion. Among them, the noise reduction performance is a crucial part affecting the comfort.

[0003] At present, the acoustic characteristic tests at the component level mainly rely on anechoic chambers or reverberation chambers. However, most of the traditional anechoic chambers / reverberation chambers are costly and are fixed buildings, unable to be moved, with low daily usage frequency and low cost performance. Content of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide a modular sound insulation cabin. A quickly detachable frame is built by square steel, and modular sound insulation boards and sound absorption wedges are integrally modularized. Most of the external environmental noises can be isolated in a complex acoustic environment, and a non-reflective acoustic environment is formed inside to meet the requirements of the internal acoustic test environment.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a modular sound insulation cabin, including a square steel frame, modular sound insulation boards and modular sound absorption wedges. The square steel frame is formed by splicing a plurality of square steels through angle codes and bolts into a frame structure and enclosing to form a cabin. The square steels are constructed in a cross form to form a plurality of squares, and each square is covered with a modular sound insulation board. The edge of the modular sound insulation board is provided with a flange matching the shape of the square. Flange holes are opened on the flange, and the flange is fixed to the square steel by driving self-drilling screws at the flange holes. The modular sound insulation board is provided with modular sound absorption wedges on one side of the cabin.

[0006] In a preferred embodiment of the utility model, a fillet fold perpendicular to the board surface of the sound insulation board is further arranged at the edge of the flange. The fillet fold encloses to form a square groove, and at least a laying structure including a damping layer, a steel plate layer, a sound absorption cotton layer, a heat insulation and sound insulation cotton layer and a perforated plate layer is filled in the square groove in layers.

[0007] In a preferred embodiment of the utility model, the modular sound absorption wedge is formed by shaping an environment-friendly fireproof cloth, sound absorption cotton and heat insulation and sound insulation cotton, and the shaping shape of the modular sound absorption wedge is a wedge shape.

[0008] In a preferred embodiment of the utility model, a keel frame is horizontally lapped in the square. The keel frame presses on one side of the modular sound insulation board in the cabin. An angle iron is obliquely supported between the keel frame and the square steel, and the modular sound absorption wedge is coated on the keel frame.

[0009] In a preferred embodiment of the present utility model, a door opening is reserved in the square steel frame, and hinges are provided on the square steel frame, and a single-opening cabin door is installed through the hinges at the door opening.

[0010] The beneficial effects of the present utility model are as follows: A modular sound insulation cabin provided by the present utility model builds a quickly detachable frame through square steel, modularly integrates sound insulation boards and sound absorption wedges, can isolate most of the external environmental noise in a complex acoustic environment, and form a non-reflective acoustic environment inside, meeting the requirements of the internal acoustic test environment. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings, where:

[0012] Figure 1 is the overall structure diagram of a modular sound insulation cabin of the present utility model;

[0013] Figure 2 is the structure diagram of the modular sound absorption wedge;

[0014] Figure 3 is the structure diagram of the square steel frame. Detailed Embodiments

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0016] The purposes to be achieved or the technical problems to be solved by this product include:

[0017] 1. Provide a cost-effective sound insulation acoustic experimental environment cabin solution;

[0018] 2. Solve the problem that the sound insulation chamber cannot be moved;

[0019] 3. Solve the problem that the sound insulation chamber cannot be quickly refitted according to the experimental content;

[0020] 4. Solve the problem that the product noise cannot be tested in a high sound intensity and high reflection environment;

[0021] 5. Solve the problem of the long construction period for the sound insulation test environment;

[0022] 6. Solve the problem that the lower limit test frequency of the traditional sound insulation cabin is insufficient.

[0023] As Figures 1-3 shown, the embodiments of the present utility model include:

[0024] A modular sound insulation cabin, including a square steel frame 1, modular sound insulation boards 2, and modular sound absorption wedges 3. The square steel frame 1 is formed by splicing a number of square steels 101 through angle codes 102 and bolts 103 into a frame structure and enclosing to form a cabin. The square steels 101 are constructed in a cross form to form a number of squares 104, and each square 104 is covered with a modular sound insulation board 2. The edge of the modular sound insulation board 2 is provided with a flange 201 matching the shape of the square 104. A flange hole 202 is opened on the flange 201, and the flange 201 is fixed to the square steel 101 by driving self-drilling screws at the flange hole 202. The modular sound insulation board 2 is provided with modular sound absorption wedges 3 on one side of the cabin.

[0025] Wherein, the edge of the flange 201 is further provided with an internal corner flange 205 perpendicular to the plate surface of the sound insulation board. The internal corner flange 205 encloses to form a square groove, and at least a laying structure including a damping layer, a steel plate layer, a sound absorption cotton layer, a heat insulation and sound insulation cotton layer, and a perforated plate layer is filled in the square groove in layers.

[0026] Further, the modular sound absorption wedge 3 is formed by shaping an environmentally friendly fireproof cloth, sound absorption cotton, and heat insulation and sound insulation cotton, and the shaping shape of the modular sound absorption wedge 3 is a wedge shape.

[0027] Further, a keel frame 106 is horizontally lapped in the square 104. The keel frame 106 presses on one side of the cabin of the modular sound insulation board 2. An angle iron 108 is obliquely supported between the keel frame 106 and the square steel 101, and the modular sound absorption wedge 3 is coated on the keel frame 106.

[0028] Further, the square steel frame 1 of the square steel 101 reserves a door opening, and a hinge is provided on the square steel frame 1 of the square steel 101, and a single-opening cabin door 4 is installed through the hinge at the door opening. The single-opening cabin door 4 built by the square steel frame and the modular sound insulation board 2 can be used for experimental personnel and equipment to enter and exit.

[0029] The main features of this product are:

[0030] 1) Square steel framework: The main load-bearing framework fixed by connecting angle codes 102; assemble the square steel framework according to different site factors and size requirements, connect the frameworks with angle codes 102 - bolts 103, and the space size between the frameworks is the same as the size of the modular sound insulation board 2 to ensure the correct installation of the modular sound insulation board 2; fix the hanging brackets inside the square steel framework with self-tapping bolts 103 to facilitate the fixation of the modular sound absorption wedge 3 through hooks; Q235 square steel can be used and fixed by bolts 103, and assemble the chamber frameworks with different lengths, widths and heights according to different sound absorption chamber size requirements; this component is the main load-bearing component of the sound absorption chamber, and the sound insulation board and sound absorption wedge are both fixed on the square steel 101 framework 1.

[0031] 2) Modular sound insulation board 2: The modular sound insulation board 2 with dimensions of 800*800*450mm, with flanges 201 having holes, and self-drilling screws are used to connect and fix it to the square steel framework through the flange holes 202; the sound insulation board with a multi-layer structure, with flanges 201 on the outside, the flanges 201 having holes and pasted with sealing strips, and is fixed in the spaces of the square steel framework by screws; the modular-designed sound insulation board is composed of a multi-layer structure such as a steel plate layer - damping layer - steel plate layer - sound absorption cotton layer - adiabatic sound insulation cotton layer - perforated plate layer, and the flanges 201 of the sound insulation board have through holes for bolts 103 to pass through.

[0032] 3) Modular sound absorption wedge 3: The modular sound absorption wedge 3 is composed of a multi-layer sound absorption material and a light steel keel framework 106, connected to the hooks and suspended on the angle iron 108 connected to the square steel framework to form a non-reflective acoustic environment. A variety of sound absorption materials are covered with the keel framework 106 and environmental protection fireproof cloth to form the modular sound absorption wedge 3, and then suspended on the fixed hanging brackets of the square steel framework through the hooks to ensure the low-frequency cut-off frequency of the sound absorption chamber. The modular-designed sound absorption wedge is shaped like a wedge by sound absorption materials such as environmental protection fireproof cloth - sound absorption cotton - adiabatic sound insulation cotton, and is suspended inside the square steel framework through the hooks; the sound absorption wedge is designed for quick disassembly, and on the basis of meeting general tests, the lower limit test frequency can be further explored to increase the test application scenarios.

[0033] 4) External interfaces and accessories of the modular sound absorption chamber: Customized modular sound insulation boards 2 with different external interfaces are equipped to match different acoustic characteristic test items. Through quick-disassembly technology, the interface specifications of the sound absorption chamber can be replaced and modified at any time to adapt to various acoustic test requirements. The modular sound insulation board 2 integrates various communication interfaces, equipment pipeline channels, etc.

[0034] The beneficial effects of this product are:

[0035] The cost of the modular silent chamber is relatively lower than that of a conventional acoustic laboratory, and the original laboratory can be transformed to implant the noise test function; expand the detection range of the traditional laboratory.

[0036] The square steel frame is mechanically connected to the sound insulation board and the sound-absorbing wedge. With a quick-disassembly design, it is movable and has a high moving efficiency.

[0037] The sound insulation board and the sound-absorbing wedge adopt a quick-disassembly design. Each single board can be quickly disassembled and assembled, providing a large modification space for the modification of specific tests and effectively improving the utilization rate of the anechoic test chamber.

[0038] In summary, the present utility model provides a modular anechoic chamber. A quick-disassemblable frame is built by square steel 101, and the sound insulation board and the sound-absorbing wedge are modularly integrated. It can isolate most of the external environmental noise in a complex acoustic environment and form a non-reflective acoustic environment inside, meeting the requirements of the internal acoustic test environment.

[0039] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural or equivalent process transformation made by using the content of the specification of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A modular soundproof cabin, characterized in that: The invention comprises a square steel frame, a modular sound insulation board and a modular sound-absorbing wedge. The square steel frame is composed of a plurality of square steels spliced ​​into a frame structure by angle codes and bolts and surrounded to form a cabin. The square steel is used to construct a plurality of square grids in a cross form, and each square grid is covered with a modular sound insulation board. The edge of the modular sound insulation board is provided with a flange matching the shape of the square grid, and a flange hole is provided on the flange. The flange is fixed to the square steel by driving a self-drilling screw at the flange hole. The modular sound insulation board is provided with a modular sound-absorbing wedge on one side of the cabin.

2. The modular soundproofing cabin according to claim 1, characterized in that: The flange edge is also provided with a inner corner fold perpendicular to the surface of the sound insulation board, and the inner corner fold surrounds a square groove, and the square groove is filled with a layered structure including at least a damping layer, a steel plate layer, a sound absorbing cotton layer, a heat-insulating sound-insulating cotton layer and a perforated plate layer.

3. The modular soundproofing cabin according to claim 1, characterized in that: The modular sound-absorbing wedge is formed by environmentally friendly fireproof cloth, sound-absorbing cotton and heat-insulating sound-proof cotton, and the modular sound-absorbing wedge is shaped like a wedge.

4. The modular soundproofing cabin according to claim 1, characterized in that: A keel frame is horizontally overlapped in the square grid, the keel frame is pressed on one side of the cabin of the modular sound insulation board, an angle iron is obliquely supported between the keel frame and the square steel, and the modular sound-absorbing wedge is covered on the keel frame.

5. The modular soundproofing cabin according to claim 1, characterized in that: The square steel frame is provided with a door opening, a hinge is arranged on the square steel frame and a single-opening door is installed at the door opening through the hinge.

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