Building noise elimination structure with structure capable of being assembled and changed

Abstract

The utility model belongs to the field of constructional engineering, particularly relates to a building noise elimination structure with a structure capable of being assembled and changed, and provides the following scheme aiming at the problems that an existing silencer lacks pertinence when processing noise of different frequencies, the noise reduction effect is not ideal, high frequency loses efficacy, and the characteristics of noise sensitive positions are not fully considered when the existing silencer is installed. Comprising a base, a plurality of first noise reduction mechanisms and a plurality of second noise reduction mechanisms, the two sides of the base are fixedly connected with a noise reduction shell, the top of the noise reduction shell is fixedly connected with a top cover, one side of the noise reduction shell is fixedly connected with a mounting plate, one side of the mounting plate is fixedly connected with a supporting plate, and the first noise reduction mechanisms and the second noise reduction mechanisms are fixed to the tops of the corresponding supporting plates respectively and arranged in a staggered mode. The method can achieve the targeted processing of noise of different frequencies, and improves the noise reduction effect. The maximization of the noise elimination amount is realized by regulating and controlling the distance between the noise elimination sheets and the length of the resistive noise elimination section; the bending streamline design reduces pressure loss, improves silencing efficiency and solves the problem of high-frequency failure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially a building sound absorbing structure of structure can be assembled change. BACKGROUND

[0002] In building engineering projects, the muffler is widely used in various occasions needing to reduce noise as an important noise reduction equipment, and the traditional muffler design is usually based on certain noise reduction principle and acoustic theory, aiming at reducing the intensity and frequency of noise through absorption, reflection or interference, etc., which can effectively reduce noise to a certain extent and plays a positive role in improving the sound environment.

[0003] However, although the existing muffler has achieved certain results in noise reduction, there are still many deficiencies, specifically, the existing technology has the following problems: 1. The traditional muffler often lacks targeted processing of different frequency noises in design, which leads to unsatisfactory noise reduction effect of the muffler at certain specific frequencies in actual application, and even may appear insufficient noise reduction; 2. In building engineering projects, the noise tolerance of sensitive positions is extremely low, however, the existing muffler often fails to fully consider the characteristics and needs of these sensitive positions during installation, resulting in the outlet of the muffler directly facing the noise sensitive position, thus intensifying the interference and discomfort of noise to people; 3. In addition, the common muffler also has the problem of high frequency failure, therefore a building sound absorbing structure of structure can be assembled change is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art that the design often lacks targeted processing of different frequency noises, which leads to unsatisfactory noise reduction effect of the muffler at certain specific frequencies in actual application, and even may appear insufficient noise reduction, the noise tolerance of sensitive positions is extremely low in building engineering projects, however, the existing muffler often fails to fully consider the characteristics and needs of these sensitive positions during installation, resulting in the outlet of the muffler directly facing the noise sensitive position, thus intensifying the interference and discomfort of noise to people, in addition, the common muffler also has the problem of high frequency failure, and proposes a building sound absorbing structure of structure can be assembled change.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model relates to a kind of construction of building sound-absorbing structure of changeable assembly, including base, multiple noise reduction mechanism one and multiple noise reduction mechanism two, the two sides of the base are fixedly connected with sound-absorbing shell, the top of the side of two the sound-absorbing shell is close to each other is fixedly connected with same top cover, the side of the sound-absorbing shell is fixedly connected with two mounting plates, the side of two the mounting plate is fixedly connected with multiple support plate, multiple noise reduction mechanism one and multiple noise reduction mechanism two are respectively fixed in the top of corresponding two support plate, multiple noise reduction mechanism one and multiple noise reduction mechanism two are staggered arrangement.

[0007] In a possible design, the sound-absorbing shell includes a sound-absorbing plate one, the outer side of the sound-absorbing plate one is covered with a covering film, the side of the covering film is fixedly connected with a perforated plate one, and the other side of the perforated plate one is fixedly connected with a sound insulation plate.

[0008] In a possible design, the noise reduction mechanism one includes a bent streamline sound-absorbing sheet, the two sides of the bent streamline sound-absorbing sheet are fixedly connected with a flow guide cap one, the bent streamline sound-absorbing sheet includes a horizontal resistive sound-absorbing segment and an integrally formed bent louver segment, and the included angle between the horizontal resistive sound-absorbing segment and the bent louver segment is 150°.

[0009] In a possible design, the top inner wall of the outer frame one is fixedly connected with a sound-absorbing plate two, and the bottom of the sound-absorbing plate two and the bottom inner wall of the outer frame one are fixedly connected with a same perforated plate two.

[0010] In a possible design, the noise reduction mechanism two includes a flat sound-absorbing sheet, the two sides of the flat sound-absorbing sheet are fixedly connected with a flow guide cap two, the flat sound-absorbing sheet includes an outer frame two, the top inner wall of the outer frame one is fixedly connected with a sound-absorbing plate two, and the bottom of the sound-absorbing plate two and the bottom inner wall of the outer frame one are fixedly connected with a same perforated plate two.

[0011] In a possible design, the thickness of the bent streamline sound-absorbing sheet and the flat sound-absorbing sheet is between 20mm and 350mm.

[0012] Working principle: in the utility model, when a person needs to isolate external noise or prevent internal noise from being transmitted, the sound-absorbing structure can be arranged at a position where noise needs to be blocked, can be used for sound absorption and noise reduction of a closed space or as a sound-absorbing barrier of an open space, when noise enters the sound-absorbing structure, the sound-absorbing shell, the noise reduction mechanism one and the noise reduction mechanism two absorb part of the noise through the sound-absorbing structure inside, and then change the conduction direction of the noise through the noise reduction mechanism one and the noise reduction mechanism two, so as to achieve the effect of reducing the noise at the target position.

[0013] Beneficial effects: in the utility model, the building sound absorbing structure of structure can be assembled and changed, the bending streamline sound absorbing sheet and the straight sound absorbing sheet are staggered on the supporting plate, the specific treatment of different frequency noises can be realized, the bending streamline sound absorbing sheet has horizontal resistance sound absorbing section and bending louver section, the sound absorbing amount of the whole sound absorbing structure can be increased by lengthening the horizontal resistance sound absorbing section or reducing the sheet distance between the sound absorbing sheets, the design makes the noise reduction effect of the sound absorbing structure on specific frequency more ideal, effectively solves the problem of insufficient noise reduction amount of the traditional sound absorber on certain frequency;

[0014] In the utility model, the building sound absorbing structure of structure can be assembled and changed, the installation direction of the bending streamline sound absorbing sheet and the straight sound absorbing sheet is changed to change the visual shielding direction and the noise guiding direction, the design makes the sound absorbing structure be capable of customized installation for different noise sensitive positions, effectively reduces the noise level of the target position, meanwhile, the streamline design of the bending streamline reduces the pressure loss and improves the sound absorbing efficiency;

[0015] In the utility model, the building sound absorbing structure of structure can be assembled and changed, the structure and installation mode of the bending streamline sound absorbing sheet and the straight sound absorbing sheet are reasonably designed, the problem of high frequency failure of the common sound absorber can be effectively solved, the sound absorbing amount and the sound shadow shielding effect of the sound absorbing structure can be controlled according to the sound absorbing sheet distance and the resistance sound absorbing section length, the maximization of the sound absorbing amount is realized, in addition, the different form combination of the sound absorbing sheet further improves the noise reduction effect, so that the sound absorbing structure is excellent in high frequency noise processing;

[0016] In the utility model, the building sound absorbing structure of structure can be assembled and changed, through the modular design, each noise reduction mechanism can be independently installed and disassembled, is convenient for the maintenance and replacement of later period, simultaneously, the assembling mode of the sound absorbing structure is flexible and changeable, can be adjusted and optimized according to actual needs, improves the construction efficiency and installation convenience;

[0017] The utility model discloses can realize the pertinence processing of different frequency noise, and the bending streamline type sound elimination piece has horizontal resistive sound elimination section and bending louver section, can increase the sound elimination amount of overall sound elimination structure through lengthening horizontal resistive sound elimination section or reducing the piece distance between sound elimination pieces, and this design makes the noise reduction effect of sound elimination structure on specific frequency more ideal, effectively solves the problem of insufficient noise reduction amount of traditional muffler on certain frequency, can change the direction of sight shielding and noise guiding direction, effectively reduces the noise level of target position, simultaneously, the streamline design of bending streamline also reduces the pressure loss, improves the sound elimination efficiency, can effectively solve the problem of high frequency failure of common muffler, and the sound elimination amount and acoustic shadow shielding effect of sound elimination structure can be regulated and controlled according to sound elimination piece distance, resistive sound elimination section length, realizes the maximization of sound elimination amount, in addition, the different form combination of sound elimination piece further improves the noise reduction effect, makes this sound elimination structure show outstanding performance in high frequency noise processing, can also independently install and disassemble each noise reduction mechanism, is convenient for the maintenance and replacement of later period, simultaneously, the assembling mode of sound elimination structure is flexible and changeable, can be adjusted and optimized according to actual needs, improves construction efficiency and installation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a kind of overall structure schematic diagram of building sound elimination structure of structure changeable assembly for the utility model proposes;

[0019] Figure 2 The utility model provides a kind of internal structure schematic diagram of building sound elimination structure of structure changeable assembly for the utility model proposes;

[0020] Figure 3 The utility model provides a kind of internal structure section view of sound elimination shell in building sound elimination structure of structure changeable assembly for the utility model proposes;

[0021] Figure 4 The utility model provides a kind of internal structure section view of noise reduction mechanism in building sound elimination structure of structure changeable assembly for the utility model proposes;

[0022] Figure 5 A kind of bending streamline type sound elimination piece length variation form schematic diagram in building sound elimination structure of structure changeable assembly for the utility model proposes;

[0023] Figure 6 A kind of bending streamline type sound elimination piece different installation mode schematic diagram in building sound elimination structure of structure changeable assembly for the utility model proposes;

[0024] Figure 7 A kind of different assembling mode schematic diagram of building sound elimination structure of structure changeable assembly for the utility model proposes.

[0025] In the figure: 1, base; 2, sound-absorbing shell; 21, sound insulation board; 22, perforated plate one; 23, sound absorption board one; 3, top cover; 4, mounting plate; 5, support plate; 6, noise reduction mechanism one; 61, bending streamline sound-absorbing sheet; 611, outer frame one; 6111, horizontal resistive sound-absorbing section; 6112, bending louver section; 612, sound absorption board two; 613, perforated plate two; 62, flow guide cap one; 7, noise reduction mechanism two; 71, straight sound-absorbing sheet; 711, outer frame two; 712, sound absorption board three; 713, perforated plate three; 72, flow guide cap two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Embodiment 1: Refer to Figures 1-7 A sound-absorbing structure, comprising a base 1, a sound-absorbing shell 2, a top cover 3, a mounting plate 4, a support plate 5, a noise reduction mechanism one 6 and a noise reduction mechanism two 7.

[0028] The base 1 serves as the supporting foundation of the entire sound-absorbing structure, ensuring the stability and reliability of the structure.

[0029] The sound-absorbing shell 2 comprises a sound insulation board 21, a perforated plate one 22 and a sound absorption board one 23, which are sequentially arranged to form an effective multilayer sound-absorbing structure. The sound insulation board 21 is used to isolate noise, the perforated plate one 22 provides a perforation effect to enhance the sound-absorbing effect, and the sound absorption board one 23 is responsible for absorbing noise.

[0030] The top cover 3 is fixedly connected at the top of the two sound-absorbing shells 2 to form a closed or semi-closed space, further enhancing the sound-absorbing effect.

[0031] The mounting plate 4 and the support plate 5 are used to fix and support the noise reduction mechanism one 6 and the noise reduction mechanism two 7, ensuring that they can stably function.

[0032] The noise reduction mechanism one 6 and the noise reduction mechanism two 7 are respectively fixed on the corresponding support plates 5 and are staggered to change the conduction direction of noise and reduce the noise intensity.

[0033] The sound-absorbing shell 2 comprises, from the inside to the outside, the sound insulation board 21, the perforated plate one 22 and the sound absorption board one 23. The sound insulation board 21 has good sound insulation performance; the perforated plate one 22 is provided with uniformly distributed perforations to enhance the sound-absorbing effect; and the sound absorption board one 23 is used to absorb part of the noise. In addition, the outer side of the sound absorption board one 23 is also covered with a covering film to protect the sound absorption material and enhance the aesthetic appearance.

[0034] The noise reduction mechanism one 6 comprises a bent streamline muffling sheet 61, a flow guide cap one 62 and the like. The bent streamline muffling sheet 61 comprises a horizontal resistive muffling section 6111 and a bent louver section 6112, and the included angle between the two is 150°, which can change the conduction direction of noise and reduce the noise intensity. The horizontal resistive muffling section 6111 and the bent louver section 6112 are both arranged in an outer frame one 611, and a sound absorption plate two 612 and a perforated plate two 613 are sequentially arranged between the top inner wall and the bottom inner wall of the outer frame one 611, forming a multi-layer muffling structure.

[0035] The noise reduction mechanism two 7 comprises a straight muffling sheet 71, a flow guide cap two 72 and the like. The straight muffling sheet 71 comprises an outer frame two 711, and a sound absorption plate three 712 and a perforated plate three 713 are sequentially arranged between the top inner wall and the bottom inner wall of the outer frame two 711, forming a multi-layer muffling structure. The design of the straight muffling sheet 71 aims to further change the conduction direction of noise and work together with the noise reduction mechanism one 6 to improve the muffling effect.

[0036] The thickness of the bent streamline muffling sheet (61) and the straight muffling sheet (71) is 200 mm.

[0037] The application can be used in the field of construction engineering, and can also be used in other fields applicable to the application.

[0038] Embodiment 2: Reference Figures 1-7 On the basis of embodiment one, an improved construction of a changeable building muffling structure is applied to the field of construction engineering. According to actual needs, a suitable size of the base 1 is selected and fixed at a position where muffling is needed. Two muffling housings 2 are fixed on both sides of the base 1, and it is ensured that the top of the side close to each other of the two muffling housings 2 is fixedly connected with the same top cover 3. A mounting plate 4 is fixedly installed on one side of the muffling housing 2, and a support plate 5 is fixed on the mounting plate 4. According to actual needs, the noise reduction mechanism one 6 and the noise reduction mechanism two 7 are installed on the support plate 5. According to needs, the number and position of the noise reduction mechanism one 6 and the noise reduction mechanism two 7 are adjusted to achieve the best muffling effect.

[0039] The above is only a preferred specific implementation manner of the application, but the protection scope of the application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the application concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A constructional acoustical structure of changeable assembly, comprising a base (1), a plurality of noise reduction mechanisms I (6) and a plurality of noise reduction mechanisms II (7), characterized in that, Two sides of the base (1) are fixedly connected with sound-absorbing shells (2), and the top of the side of the two sound-absorbing shells (2) close to each other is fixedly connected with a same top cover (3), one side of the sound-absorbing shell (2) is fixedly connected with two mounting plates (4), one side of the two mounting plates (4) is fixedly connected with a plurality of support plates (5), a plurality of noise reduction mechanisms one (6) and a plurality of noise reduction mechanisms two (7) are respectively fixed on the top of the corresponding two support plates (5), and the plurality of noise reduction mechanisms one (6) and the plurality of noise reduction mechanisms two (7) are staggered.

2. A building sound deadening structure of the type defined in claim 1, wherein The sound-absorbing shell (2) comprises a sound-absorbing plate one (23), the outer side of the sound-absorbing plate one (23) is covered with a covering film, one side of the covering film is fixedly connected with a perforated plate one (22), and the other side of the perforated plate one (22) is fixedly connected with a sound insulation plate (21).

3. A building sound deadening structure of the type defined in claim 1, wherein The noise reduction mechanism one (6) comprises a bent streamline sound-absorbing sheet (61), both sides of the bent streamline sound-absorbing sheet (61) are fixedly connected with a flow guide cap one (62), the bent streamline sound-absorbing sheet (61) comprises a horizontal resistive sound-absorbing section (6111) and an integrally formed bent louver section (6112), and the included angle between the horizontal resistive sound-absorbing section (6111) and the bent louver section (6112) is 150°.

4. A building sound deadening structure of the type defined in claim 3, wherein The top inner wall of the outer frame one (611) is fixedly connected with a sound-absorbing plate two (612), and the bottom of the sound-absorbing plate two (612) and the bottom inner wall of the outer frame one (611) are fixedly connected with a same perforated plate two (613).

5. A building sound deadening structure of the type defined in claim 4, wherein The noise reduction mechanism two (7) comprises a straight sound-absorbing sheet (71), both sides of the straight sound-absorbing sheet (71) are fixedly connected with a flow guide cap two (72), the straight sound-absorbing sheet (71) comprises an outer frame two (711), the top inner wall of the outer frame two (711) is fixedly connected with a sound-absorbing plate three (712), and the bottom of the sound-absorbing plate three (712) and the bottom inner wall of the outer frame two (711) are fixedly connected with a same perforated plate three (713).

6. A building sound deadening structure of the type defined in claim 3 wherein, The thickness of the bent streamline sound-absorbing sheet (61) and the straight sound-absorbing sheet (71) is between 20mm and 350mm.

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