A sound insulation module and a processing method thereof

Abstract

The present application discloses a sound insulation module, including a sound insulation module body, the sound insulation module body including a sound insulation frame and a filling layer located in the sound insulation frame; the filling layer is tightly fitted with the inner wall of the sound insulation frame; the sound insulation frame is spliced ​​by a main panel, a back panel and two side panels; the filling layer includes a sound insulation layer, a first filling layer and a second filling layer that are tightly fitted in sequence, and the sound insulation layer and the second filling layer are fixedly fitted with the inner side of the back panel and the main panel respectively. The present invention improves the effect of sound absorption and sound insulation treatment of buildings and the like through different sound insulation and sound absorption materials, and can be spliced ​​and combined at the same time and applied to different sound insulation scenes.

Description

Technical Field

[0001] The present application relates to a sound insulation module and a processing method thereof, belonging to the technical field of sound insulation. Background Art

[0002] In order to prevent the invasion of external noise, a small room with good sound insulation performance is built in a local environment space with strong noise to form a quiet small room or room to protect the hearing of the staff; and the existing sound insulation module has poor sound insulation effect; the existing sound insulation structure cannot be assembled and has a small application range. For this purpose, a sound insulation module and a processing method thereof are disclosed. Summary of the invention

[0003] According to one aspect of the present application, a sound insulation module is provided, which has good sound insulation effect and a wide range of applications.

[0004] A sound insulation module, characterized in that it comprises a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame and a filling layer located in the sound insulation frame;

[0005] The filling layer is closely attached to the inner wall of the sound insulation frame;

[0006] The sound insulation frame is composed of a main panel, a back panel and two side panels;

[0007] The filling layer comprises a sound insulation layer, a first filling layer and a second filling layer which are closely attached in sequence, and the sound insulation layer and the second filling layer are fixedly attached to the inner sides of the back plate and the main panel respectively;

[0008] Adjacent sound insulation modules can be assembled through the side panels, and the side panels at both ends have different structures.

[0009] Optionally, both the first filling layer and the second filling layer include acoustic cotton, the outer surface of the acoustic cotton is covered with sound-absorbing cloth, and the density of the acoustic cotton in the first filling layer is greater than the density of the acoustic cotton in the second filling layer.

[0010] Optionally, the first acoustic cotton is 24-48kg / m 3 Acoustic cotton, the second acoustic cotton is 48-96kg / m 3 Acoustic cotton.

[0011] Optionally, the sound insulation layer is a damping composite sound insulation layer, and the damping composite sound insulation layer includes a steel plate and sound insulation felt, and the steel plate and the sound insulation felt are sealed and connected.

[0012] Optionally, the side panel includes a first side panel and a second side panel;

[0013] The first side panel includes a first U-shaped panel and a first connecting panel, the first connecting panel includes a first L-shaped panel, a second L-shaped panel, a third L-shaped panel and a fourth L-shaped panel, one end of the first L-shaped panel is fixedly connected to one end of the back panel, the other end of the first L-shaped panel is fixedly connected to one end of the second L-shaped panel, one end of the third L-shaped panel and one end of the fourth L-shaped panel are respectively fixedly connected to the other end of the second L-shaped panel and one end of the main panel to form symmetrical gaps, and the two ends of the first U-shaped panel are respectively clamped in the gaps;

[0014] The second side panel includes a second U-shaped panel and a second connecting panel, the second connecting panel includes a fifth L-shaped panel, a first vertical panel, a second vertical panel, a third vertical panel and a sixth L-shaped panel, one end of the fifth L-shaped panel is fixedly connected to the other end of the back panel, and the side surface of the connecting end of the fifth L-shaped panel is parallel to the back panel, one end of the first vertical panel is vertically fixedly connected to the other end of the fifth L-shaped panel, one end of the sixth L-shaped panel is fixedly connected to the other end of the main panel, one end of the first vertical panel and the other end of the sixth L-shaped panel respectively form symmetrical gaps with one end of the second vertical panel and one end of the third vertical panel, and the two ends of the second U-shaped panel are respectively clamped in the gaps.

[0015] Optionally, a first gap is formed between the fifth L-shaped plate and the back plate, and the first gap is consistent with the thickness of the sound insulation layer;

[0016] The first L-shaped plate and the second L-shaped plate are connected to each other to form a step structure extending toward the back plate, and when the sound insulation module is assembled, the second L-shaped plate and the fifth L-shaped plate form a cavity;

[0017] The depth of the first U-shaped plate is greater than the depth of the second U-shaped plate;

[0018] The width of the first U-shaped plate is greater than the width of the second U-shaped plate;

[0019] The height of the fifth L-shaped plate close to the side of the back plate is consistent with the vertical height from the end of the back plate connected to the first L-shaped plate to the end of the second L-shaped plate connected to the third L-shaped plate, so as to match and connect the sound insulation module when assembling;

[0020] The height of the side surface of one end of the fourth L-shaped plate connected to the main panel is consistent with the height of the side surface of one end of the sixth L-shaped plate connected to the third vertical plate, so as to match and connect the sound insulation module when assembling it.

[0021] Optionally, the main panel and the back panel are both metal plates, and a plurality of sound-absorbing holes are provided on the main panel.

[0022] Optionally, the metal plate is a steel plate or an aluminum plate, and a protective coating is provided on the surface of the metal plate; the protective coating is a galvanized coating.

[0023] Optionally, the thickness of the main panel and the back panel is 0.5-1.5 mm, and the thickness of the sound insulation felt is 2-3 mm.

[0024] According to one aspect of the present application, a method for processing a sound insulation module is provided, the processing method comprising the following steps:

[0025] Step 1: Take two identical plates and level them;

[0026] Step 2: Punch one of the plates and then flatten it as the main panel, and the other as the back panel;

[0027] Step 3: Roll-forming the main panel and the back panel;

[0028] Step 4: Fill the filling layer between the main panel and the back panel, and then roll the main panel and the back panel together to form;

[0029] Step 5: Cut off the excess parts of the formed product and seal them, and seal the two ends to form two side panels with different structures;

[0030] Step 6: Place the product into the spraying line to spray the main panel and back panel.

[0031] The beneficial effects of this application include:

[0032] 1) The present application provides a sound insulation module, which has a sound insulation layer, a first filling layer and a second filling layer of sound-absorbing and sound insulation materials as filling layers, and has multiple layers of filling materials to achieve sound insulation and sound absorption effects. At the same time, acoustic cotton is wrapped outside the filling layer of sound-absorbing cloth to make the sound insulation and sound absorption effects more obvious, and the sound absorption and insulation bandwidth is significantly increased. When used for equipment sound insulation, it also exhibits good low-frequency performance.

[0033] 2) The sound insulation module provided in the present application has a special sound insulation frame design, which can be spliced ​​together to form a larger sound insulation structure. Its structural performance and physical properties are greatly improved, and it is a new product that can be freely combined in various ways and has a wide range of applications.

[0034] 3) The present application provides a method for processing a sound insulation module, which is formed by flattening, rolling and combining. The method is simple and easy to operate and has a fast production speed, which can meet the production quantity requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of a sound insulation module in one embodiment of the present application;

[0036] Figure 2This is a schematic diagram of the sound insulation frame structure in one embodiment of the present application;

[0037] Figure 3 It is a schematic diagram of the sound insulation test results of sound insulation structures of different specifications in the embodiment of the present application;

[0038] Figure 4 This is a first assembly method of the sound insulation structure in one embodiment of the present application;

[0039] Figure 5 This is a second assembly method of the sound insulation structure in one embodiment of the present application;

[0040] List of parts and reference numerals: 1 - sound insulation frame; 2 - main panel; 3 - back panel; 4 - sound insulation layer; 5 - first filling layer; 6 - second filling layer; 7 - first U-shaped plate; 8 - first L-shaped plate; 9 - second L-shaped plate; 10 - third L-shaped plate; 11 - fourth L-shaped plate; 12 - second U-shaped plate; 13 - fifth L-shaped plate; 14 - first vertical plate; 15 - second vertical plate; 16 - third vertical plate; 17 - sixth L-shaped plate. DETAILED DESCRIPTION

[0041] The present application is described in detail below with reference to embodiments, but the present application is not limited to these embodiments.

[0042] See also Figure 1-2 , a sound insulation module, comprising a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame 1 and a filling layer located in the sound insulation frame 1;

[0043] The filling layer is closely attached to the inner wall of the sound insulation frame 1;

[0044] The sound insulation frame is composed of a main panel 2, a back panel 3 and two side panels;

[0045] The filling layer comprises a sound insulation layer 4, a first filling layer 5 and a second filling layer 6 which are closely attached in sequence, and the sound insulation layer 4 and the second filling layer 6 are fixedly attached to the inner sides of the back plate 3 and the main panel 2 respectively;

[0046] Adjacent sound insulation modules can be assembled through the side panels, and the side panels at both ends have different structures.

[0047] Specifically, the sound insulation module is 500-12000 mm long, 500 mm high, and 50-150 mm wide.

[0048] The first filling layer 5 and the second filling layer 6 both include acoustic cotton, the outer surface of which is covered with sound-absorbing cloth. The density of the acoustic cotton in the first filling layer 5 is greater than the density of the acoustic cotton in the second filling layer 6.

[0049] The first acoustic cotton is 24-48kg / m3 Acoustic cotton, the second acoustic cotton is 48-96kg / m 3 Acoustic cotton.

[0050] The sound insulation layer 4 is a damping composite sound insulation layer, which includes a steel plate and sound insulation felt. The steel plate and the sound insulation felt are sealed and connected, and the thickness of the sound insulation felt is 2-3 mm.

[0051] The 3mm thick sound insulation felt is placed in the large hole (15m 3 ) and small opening (10m 3 ) to test and evaluate the sound insulation, and the test and evaluation results are as follows:

[0052] Table 1: Sound insulation of different thicknesses of sound insulation layers in large openings

[0053] Unit: dB

[0054]

[0055] Table 2: Sound insulation of small holes with different thickness of sound insulation layer

[0056] Unit: dB

[0057]

[0058]

[0059] Evaluation result of the sound insulation layer: R w (C; C tr )>23dB.

[0060] Among them, R w Refers to the weighted sound insulation of building components;

[0061] C is the pink noise spectrum correction amount;

[0062] C tr is the traffic noise spectrum correction.

[0063] According to the test and evaluation results, it can be seen that compared with MK sound insulation felts of different thicknesses, the physical properties of the sound insulation felts are greatly improved, the sound insulation bandwidth is also significantly increased, and the sound insulation effect is good and relatively stable.

[0064] The side panel comprises a first side panel and a second side panel;

[0065] The first side panel includes a first U-shaped panel 7 and a first connecting panel, the first connecting panel includes a first L-shaped panel 8, a second L-shaped panel 9, a third L-shaped panel 10 and a fourth L-shaped panel 11, one end of the first L-shaped panel 8 is fixedly connected to one end of the back panel 3, the other end of the first L-shaped panel 8 is fixedly connected to one end of the second L-shaped panel 9, one end of the third L-shaped panel 10 and one end of the fourth L-shaped panel 11 are respectively fixedly connected to the other end of the second L-shaped panel 9 and one end of the main panel 2 to form a symmetrical gap, and the two ends of the first U-shaped panel 7 are respectively clamped in the gap;

[0066] Specifically, the length of one end of the first L-shaped plate connected to the back plate is 4 mm, the length of one end of the first L-shaped plate connected to the second L-shaped plate is 11 mm, the length of one end of the second L-shaped plate connected to the first L-shaped plate is 11 mm, and the length of the other end of the second L-shaped plate is 42.5 mm.

[0067] The second side panel includes a second U-shaped plate 12 and a second connecting plate, and the second connecting plate includes a fifth L-shaped plate 13, a first vertical plate 14, a second vertical plate 15, a third vertical plate 16 and a sixth L-shaped plate 17, one end of the fifth L-shaped plate 13 is fixedly connected to the other end of the back plate 3, and the side surface of the connecting end of the fifth L-shaped plate 13 is parallel to the back plate 3, one end of the first vertical plate 14 is vertically fixedly connected to the other end of the fifth L-shaped plate 13, one end of the sixth L-shaped plate 17 is fixedly connected to the other end of the main panel 1, one end of the first vertical plate 14 and the other end of the sixth L-shaped plate 17 respectively form symmetrical gaps with one end of the second vertical plate 15 and one end of the third vertical plate 16, and the two ends of the second U-shaped plate 12 are respectively clamped in the gaps.

[0068] Specifically, the length of one end of the fifth L-shaped plate connected to the back plate is 53.5 mm, the length of the other end of the fifth L-shaped plate is 16 mm, the length of the first vertical plate and the length of one end of the sixth L-shaped plate connected to the third vertical plate are 20.5 mm, and the length of the other end of the sixth L-shaped plate is 4 mm.

[0069] A first gap is formed between the fifth L-shaped plate 13 and the back plate 3, and the first gap is consistent with the thickness of the sound insulation layer;

[0070] The first L-shaped plate 8 and the second L-shaped plate 9 are connected to each other to form a step structure extending toward the back plate 3, and when the sound insulation module is assembled, the second L-shaped plate 9 and the fifth L-shaped plate 13 form a cavity;

[0071] The depth of the first U-shaped plate 7 is greater than the depth of the second U-shaped plate 12. Specifically, the depth of the first U-shaped plate is 20.5 mm, and the depth of the second U-shaped plate is 10.5 mm.

[0072] The width of the first U-shaped plate 7 is greater than the width of the second U-shaped plate 12;

[0073] The height of the fifth L-shaped plate 13 close to the side of the back plate 3 is consistent with the vertical height from the end of the back plate 3 connected to the first L-shaped plate 8 to the end of the second L-shaped plate 9 connected to the third L-shaped plate 10, so as to match and connect the sound insulation module when assembling;

[0074] The height of the side surface of one end of the fourth L-shaped plate 11 connected to the main panel 2 is consistent with the height of the side surface of one end of the sixth L-shaped plate 17 connected to the third vertical plate 16 to match and connect the sound insulation module when assembling.

[0075] The lengths mentioned above are as follows Figure 2 The distance lengths of the components shown.

[0076] The main panel 2 and the back panel 3 are both metal plates, and the main panel 2 is provided with a plurality of sound-absorbing holes.

[0077] The metal plate is a steel plate or an aluminum plate, and a protective coating is provided on the surface of the metal plate; the protective coating is a galvanized coating.

[0078] The thickness of the main panel 2 and the back panel 3 is 0.5-1.5 mm.

[0079] The sound insulation module is generally made of steel plates as the main panel and back panel, and filled with sound-absorbing and sound-insulating materials. It is different from existing sound barriers and sound insulation boards. Its structural performance and physical performance are greatly improved compared with existing acoustic products, and the sound absorption and insulation bandwidth is significantly increased. When used for equipment sound insulation, its good low-frequency performance is well demonstrated. It is also a new product that can be freely combined. It can be combined into any noise reduction equipment, such as sound insulation covers, sound insulation rooms, and indoor wall and ceiling sound insulation. Good sound absorption and insulation performance and fire and corrosion resistance make its application range very wide. In short, it can be used in any part that requires noise control. Therefore, it is very easy to assemble an acoustic noise reduction product, which greatly saves time and cost. The output of the sound insulation module is 6 pieces per minute, so if a sound insulation room needs to be prepared, it will be produced and installed in one day, which will be of epoch-making significance for the noise control industry.

[0080] A method for processing a sound insulation module, the method comprising the following steps:

[0081] Step 1: Take two identical plates and level them;

[0082] Step 2: Punch one of the plates and then flatten it as the main panel, and the other as the back panel;

[0083] Step 3: Roll-forming the main panel and the back panel;

[0084] Step 4: Fill the filling layer between the main panel and the back panel, and then roll the main panel and the back panel together to form;

[0085] Step 5: Cut off the excess parts of the formed product and seal them, and seal the two ends to form two side panels with different structures;

[0086] Step 6: Place the product into the spraying line to spray the main panel and back panel.

[0087] See also Figure 4-5 After the sound insulation module is processed, it can be spliced ​​into corresponding sound insulation equipment, such as a sound insulation cover, a sound insulation room, etc. First, two sound insulation modules can be spliced ​​together by snapping together different side panels. When the sound insulation module is assembled, the second L-shaped plate 9 and the fifth L-shaped plate 13 form a cavity, which is used for installation and binding on relevant equipment. A gap is formed in the middle of the two side panels, that is, between the first U-shaped plate and the second U-shaped plate to fill the sealing strip. This splicing method has the effects of frequency conversion, shock absorption, heat preservation and waterproofing; second, transparent plate sound insulation frames are set at the ends of the first U-shaped plate and the second U-shaped plate of different side panels of the two sound insulation modules, and a groove is correspondingly set at the center of the transparent plate sound insulation frame. Glass can be embedded in the groove to form a snap-fit ​​splicing of two sound insulation modules. Correspondingly, the side panels at the other two ends of the sound insulation module are sealed; at the same time, multiple sound insulation modules can be spliced ​​together accordingly.

[0088] Embodiment 1:

[0089] A special filling wall with high sound insulation performance (360mm brick wall with double-sided plastering) is built in the test hole. A 2500mm*500mm*50mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0090] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 36db.

[0091] The evaluation results of the sound insulation modules of this specification are:

[0092] R w (C; C tr )=36(-1;-2)dB;C 100-5000 =-1dB; C tr,100-5000 =-2dB.

[0093] Among them, R w Refers to the weighted sound insulation of building components;

[0094] C is the pink noise spectrum correction amount;

[0095] C tr is the traffic noise spectrum correction.

[0096] Embodiment 2:

[0097] A special filling wall with high sound insulation performance (360mm brick wall with double-sided plastering) is built in the test hole. The 2500mm*500mm*75mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0098] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 39db.

[0099] The evaluation results of the sound insulation modules of this specification are:

[0100] R w (C; C tr )=39(-2;-5)dB;C 100-5000 =-1dB; C tr,100-5000 =-5dB.

[0101] Among them, R w Refers to the weighted sound insulation of building components;

[0102] C is the pink noise spectrum correction amount;

[0103] C tr is the traffic noise spectrum correction.

[0104] Embodiment three:

[0105] A special filling wall with high sound insulation performance (360mm brick wall with double-sided plastering) is built in the test hole. The 2500mm*500mm*96mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0106] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 42db.

[0107] The evaluation results of the sound insulation modules of this specification are:

[0108] R w (C; C tr )=42(-1;-2)dB;C 100-5000 =-1dB; C tr,100-5000 =-2dB.

[0109] Among them, R w Refers to the weighted sound insulation of building components;

[0110] C is the pink noise spectrum correction amount;

[0111] C tr is the traffic noise spectrum correction.

[0112] Embodiment 4:

[0113] A special filling wall with high sound insulation performance is built in the test hole (360mm brick wall with double-sided plastering). The 2500mm*500mm*100mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0114] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 43db.

[0115] The evaluation results of the sound insulation modules of this specification are:

[0116] R w (C; C tr )=43(-1;-3)dB;C 100-5000 =-3dB; C tr,100-5000 =-3dB.

[0117] Among them, R w Refers to the weighted sound insulation of building components;

[0118] C is the pink noise spectrum correction amount;

[0119] C tr is the traffic noise spectrum correction.

[0120] Embodiment five:

[0121] A special filling wall with high sound insulation performance (360mm brick wall with double-sided plastering) is built in the test hole. The 2500mm*500mm*125mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0122] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 45db.

[0123] The evaluation results of the sound insulation modules of this specification are:

[0124] R w (C; C tr )=45(-1;-3)dB;C 100-5000 =-1dB; C tr,100-5000 =-3dB.

[0125] Among them, R w Refers to the weighted sound insulation of building components;

[0126] C is the pink noise spectrum correction amount;

[0127] C tr is the traffic noise spectrum correction.

[0128] Embodiment six:

[0129] A special filling wall with high sound insulation performance (360mm brick wall with double-sided plastering) is built in the test hole. The 2500mm*500mm*150mm sound insulation module is placed in the filling wall and sealed on all sides to prevent sound leakage. Test equipment: AWA6290L multi-channel analyzer, B&K2270 analyzer; sound chamber and sound receiving chamber temperature: 21.7℃, 21.6℃; sound chamber and sound receiving chamber humidity: 65.8%, 65.1%; sound chamber and sound receiving chamber volume: 56.889m 3 、48.125m 3 ; The dimensions of the sound-generating room and the sound-receiving room are: 4.90m*4.30m*2.7m and 5.00m*3.85m*2.5m.

[0130] The frequency range evaluated by the sound insulation module of this specification is compared with the airborne sound reference curve with a single value evaluation result of 47db.

[0131] The evaluation results of the sound insulation modules of this specification are:

[0132] R w (C; C tr )=47(-1;-3)dB;C 100-5000 =-1dB; C tr,100-5000 =-3dB.

[0133] Among them, R w Refers to the weighted sound insulation of building components;

[0134] C is the pink noise spectrum correction amount;

[0135] C tr is the traffic noise spectrum correction.

[0136] Among them, the sound insulation of the sound insulation modules of each embodiment is compared with the sound insulation of the products on the market:

[0137] Table 3: Comparison of sound insulation of sound insulation modules

[0138] Unit: dB

[0139]

[0140]

[0141] The sound insulation module has good and stable sound insulation effect.

[0142] The above are only a few embodiments of the present application and do not constitute any form of limitation to the present application. Although the present application is disclosed as above with preferred embodiments, it is not intended to limit the present application. Any technician familiar with the profession, without departing from the scope of the technical solution of the present application, using the technical content disclosed above to make slight changes or modifications are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A sound insulation module, characterized in that: It comprises a sound insulation module body, wherein the sound insulation module body comprises a sound insulation frame (1) and a filling layer located inside the sound insulation frame (1); The filling layer is tightly fitted to the inner wall of the sound insulation frame (1); The sound insulation frame is formed by splicing a main panel (2), a back panel (3) and two side panels; The filling layer comprises a sound insulation layer (4), a first filling layer (5) and a second filling layer (6) which are tightly fitted in sequence, and the sound insulation layer (4) and the second filling layer (6) are fixedly fitted to the inner sides of the back plate (3) and the main panel (2) respectively; The adjacent sound insulation modules can be assembled through the side panels, and the side panels at both ends have different structures; The first filling layer (5) and the second filling layer (6) both comprise acoustic cotton, the outer surface of the acoustic cotton is covered with a sound-absorbing cloth, and the density of the first acoustic cotton in the first filling layer (5) is greater than the density of the second acoustic cotton in the second filling layer (6); The sound insulation layer (4) is a damping composite sound insulation layer, which comprises a steel plate and sound insulation felt, and the steel plate and the sound insulation felt are sealed and connected; The side panel comprises a first side panel and a second side panel; The first side plate comprises a first U-shaped plate (7) and a first connecting plate, the first connecting plate comprises a first L-shaped plate (8), a second L-shaped plate (9), a third L-shaped plate (10) and a fourth L-shaped plate (11), one end of the first L-shaped plate (8) is fixedly connected to one end of the back plate (3), the other end of the first L-shaped plate (8) is fixedly connected to one end of the second L-shaped plate (9), one end of the third L-shaped plate (10) and one end of the fourth L-shaped plate (11) are respectively fixedly connected to the other end of the second L-shaped plate (9) and one end of the main panel (2) and form symmetrical gaps, and the two ends of the first U-shaped plate (7) are respectively clamped in the gaps; The second side plate comprises a second U-shaped plate (12) and a second connecting plate, the second connecting plate comprises a fifth L-shaped plate (13), a first vertical plate (14), a second vertical plate (15), a third vertical plate (16) and a sixth L-shaped plate (17), one end of the fifth L-shaped plate (13) is fixedly connected to the other end of the back plate (3), and the side surface of the connecting end of the fifth L-shaped plate (13) is parallel to the back plate (3), one end of the first vertical plate (14) is vertically fixedly connected to the other end of the fifth L-shaped plate (13), one end of the sixth L-shaped plate (17) is fixedly connected to the other end of the main panel (2), one end of the first vertical plate (14) and the other end of the sixth L-shaped plate (17) respectively form symmetrical gaps with one end of the second vertical plate (15) and one end of the third vertical plate (16), and the two ends of the second U-shaped plate (12) are respectively clamped in the gaps; A first gap is formed between the fifth L-shaped plate (13) and the back plate (3), and the first gap is consistent with the thickness of the sound insulation layer; The first L-shaped plate (8) and the second L-shaped plate (9) are connected to each other to form a step structure extending toward the back plate (3); when the sound insulation module is assembled, the second L-shaped plate (9) and the fifth L-shaped plate (13) form a cavity; The depth of the first U-shaped plate (7) is greater than the depth of the second U-shaped plate (12); The width of the first U-shaped plate (7) is greater than the width of the second U-shaped plate (12); The height of the fifth L-shaped plate (13) close to the side of the back panel (3) is consistent with the vertical height from the end where the back panel (3) is connected to the first L-shaped plate (8) to the end where the second L-shaped plate (9) is connected to the third L-shaped plate (10), and is used for matching connection when the sound insulation module is assembled; the height of the side of the end where the fourth L-shaped plate (11) is connected to the main panel (2) is consistent with the height of the side of the end where the sixth L-shaped plate (17) is connected to the third vertical plate (16), and is used for matching connection when the sound insulation module is assembled.

2. The sound insulation module according to claim 1, characterized in that: The first acoustic cotton is 24-48kg / m 3 Acoustic cotton, the second acoustic cotton is 48-96kg / m 3 Acoustic cotton.

3. The sound insulation module according to claim 1, characterized in that: The main panel (2) and the back panel (3) are both metal plates, and a plurality of sound-absorbing holes are provided on the main panel (2).

4. The sound insulation module according to claim 3, characterized in that: The metal plate is a steel plate or an aluminum plate, and a protective coating is provided on the surface of the metal plate; the protective coating is a galvanized coating.

5. The sound insulation module according to claim 1, characterized in that: The thickness of the main panel (2) and the back panel (3) is 0.5-1.5 mm, and the thickness of the sound insulation felt is 2-3 mm.

6. The method for processing the sound insulation module according to any one of claims 1 to 5, characterized in that: The processing method comprises the following steps: Step 1: Take two identical plates and level them; Step 2: Punch one of the plates and then flatten it as the main panel, and the other as the back panel; Step 3: Roll-forming the main panel and the back panel; Step 4: Fill the filling layer between the main panel and the back panel, and then roll the main panel and the back panel together to form; Step 5: Cut off the excess parts of the formed product and seal them, and seal the two ends to form two side panels with different structures; Step 6: Place the product into the spraying line to spray the main panel and back panel.

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