Sound insulation performance test cabin

By designing a sound insulation performance test chamber that includes components such as a receiving chamber, a sound-generating chamber, and a U-shaped plate, the problems of high sample processing costs and inconvenient dust cleaning of the chamber were solved, achieving low-cost and efficient cleaning.

CN224109420UActive Publication Date: 2026-04-10INST OF ACOUSTICS CHINA ACAD OF TESTING TECH
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing sound insulation performance test chambers have high sample processing costs, require large test sites, and their large size makes dust cleaning inconvenient.

Method used

A sound insulation performance test chamber was designed, which includes components such as a receiving chamber, a sound-emitting chamber, a U-shaped plate, and a horn. The chamber adopts a structure with a U-shaped plate, an outer metal cover, a motor, an electric push rod, and a vacuum cleaner to achieve sample size reduction and automatic dust removal.

Benefits of technology

It significantly reduced testing costs, simplified testing site requirements, and enabled automatic cleaning of dust above the cabin, improving cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224109420U_ABST
    Figure CN224109420U_ABST
Patent Text Reader

Abstract

The utility model provides a sound insulation performance test chamber, which comprises a receiving chamber, a sound production chamber, a U-shaped plate and a loudspeaker, a test state adjusting hole is arranged on the front side of the sound production chamber, a hole for adjusting a test state is arranged on the right side of the receiving chamber, test piece mounting holes are respectively arranged on the left side of the receiving chamber and the right side of the sound production chamber, and a wooden baffle is mounted outside the loudspeaker through bolts. A motor is installed at the right end of the U-shaped plate, a lead screw is rotatably installed on the left side in the U-shaped plate, a rotating shaft of the motor is connected with the lead screw, a protruding block is connected to the outer side of the lead screw in a threaded mode, a rectangular frame is installed below the protruding block, an electric push rod is installed in the middle of the upper portion in the rectangular frame, and a plurality of small dust collectors are installed on the lower portion in the rectangular frame. Compared with the prior art, the physical dimension of a tested sample can be greatly reduced, the test cost can be greatly reduced, meanwhile, dust accumulated above the cabin body can be cleaned, and the problem that manual cleaning is inconvenient due to the fact that the cabin body is large in size is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a sound insulation performance test cabin belongs to building material testing equipment technical field. BACKGROUND

[0002] The sound insulation performance test cabin is mainly used for measuring the sound insulation performance of materials, components or equipment, and is widely applied in the fields of building, traffic, industry, household appliances and the like.

[0003] The standard test method for the sound insulation performance of the existing material needs to process a measured material sample of at least ten square meters, and the sample is installed in a professional sound insulation hole through construction organization to be tested, so that the sample processing cost is high, the demand for the test site is high, the application scene of the test cabin is various, dust is easy to accumulate on the upper part of the cabin body after long-time use, and the large size of the cabin body leads to difficulty in cleaning dust, and therefore, there is an urgent need for a sound insulation performance test cabin to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a sound insulation performance test cabin to solve the problems in the background art, the utility model has reasonable structure and good practicability, can greatly reduce the geometric size of the measured sample, greatly reduce the test cost, and can clean the dust accumulated on the upper part of the cabin body, solving the problem of inconvenience of manual cleaning due to the large size of the cabin body.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a sound insulation performance test cabin, comprising a receiving cabin, a sound emitting cabin, a U-shaped plate and a loudspeaker, a test state adjusting hole is arranged on the front side of the sound emitting cabin, an adjusting test state hole is arranged on the right side of the receiving cabin, a test piece mounting hole is arranged on the left side of the receiving cabin and the right side of the sound emitting cabin respectively, a wooden baffle is mounted on the outside of the loudspeaker through bolts, the loudspeaker penetrates the left side of the sound emitting cabin, the receiving cabin is mounted on the right side of the sound emitting cabin, a through slot is arranged on the upper middle part of the horizontal end of the U-shaped plate, a motor is mounted on the right end of the U-shaped plate, a lead screw is rotatably mounted on the left side of the inside of the U-shaped plate, the rotating shaft of the motor is connected with the lead screw, a protruding block is threadedly connected on the outside of the lead screw, a rectangular frame is mounted below the protruding block, an electric push rod is mounted in the upper middle part of the inside of the rectangular frame, a plurality of small vacuum cleaners are mounted in the lower part of the inside of the rectangular frame, and the suction ends of the plurality of small vacuum cleaners penetrate the lower side of the rectangular frame respectively.

[0006] Further, the left side of the sound emitting cabin is fixedly connected with an outer metal cover and an inner metal cover, the outer metal cover surrounds the inner metal cover, and a plurality of preset interfaces are arranged on the lower part of the outer metal cover and the lower part of the inner metal cover respectively.

[0007] Further, the convex block is in sliding connection with the through slot, the electric push rod telescopic shaft penetrates through the rectangular frame, a brush plate is installed at the end of the electric push rod telescopic shaft, and the left and right ends of the U-shaped plate are respectively installed above the receiving cabin and above the sound production cabin.

[0008] Further, the wood barrier is connected with the left side of the sound production cabin through a butterfly screw, and the sealing frame is installed on the left connecting part of the loudspeaker and the sound production cabin.

[0009] Further, the first shell body is wrapped and installed on the outside of the receiving cabin, and the second shell body is wrapped and installed on the outside of the sound production cabin.

[0010] Further, the receiving cabin soundproof door is hinged to the right side of the receiving cabin, the sound production cabin soundproof door is hinged to the front side of the sound production cabin, and the soundproof damping layer and the sound absorbing layer for background sound field control are arranged on the inside of the receiving cabin and the inside of the sound production cabin.

[0011] The utility model discloses a sound insulation performance test cabin, and adds the U-shaped plate, the outer metal cover, the sound production cabin soundproof door, the rectangular frame, the motor, the electric push rod, the convex block, the small dust collector, the receiving cabin soundproof door, the inner metal cover, the loudspeaker, the wood barrier, the sealing frame, the preset interface, the brush plate and the screw rod, and through our design improvement and actual use show that the device structure is reasonable, and the practicality is good, can greatly reduce the geometric size of the measured sample, greatly reduces the test cost, and can clean the dust accumulated above the cabin body, and the problem that manual cleaning is inconvenient due to the large size of the cabin body is solved. DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is the first angle overall structure perspective diagram of the utility model kind of sound insulation performance test cabin;

[0014] Figure 2 It is the second angle overall structure perspective diagram of the utility model kind of sound insulation performance test cabin;

[0015] Figure 3 It is the third angle overall structure perspective diagram of the utility model kind of sound insulation performance test cabin;

[0016] Figure 4 It is the section structure schematic diagram of the utility model kind of sound insulation performance test cabin;

[0017] Figure 5 It is the U-shaped plate structure perspective diagram of the utility model kind of sound insulation performance test cabin.

[0018] In the figure: 1-receiving cabin, 2-first shell cover, 3-sound emitting cabin, 4-U-shaped plate, 5-second shell cover, 6-outer metal cover, 7-sound emitting cabin soundproof door, 8-rectangular frame, 9-motor, 10-through slot, 11-electric push rod, 12-bump, 13-small dust collector, 14-receiving cabin soundproof door, 15-holes, 16-test piece installation hole, 17-test state adjustment hole, 18-inner metal cover, 19-horn, 20-wooden barrier, 21-sealing frame, 22-pre-set interface, 23-brush plate, 24-screw rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a sound insulation performance test cabin, including receiving cabin 1, sound emitting cabin 3, U-shaped plate 4 and horn 19, sound emitting cabin 3 front side is equipped with test state adjustment hole 17, receiving cabin 1 right side is equipped with hole 15 of adjusting test state, receiving cabin 1 left side and sound emitting cabin 3 right side are equipped with test piece installation hole 16 respectively, horn 19 outside is equipped with wooden barrier 20 by bolt, horn 19 passes through sound emitting cabin 3 left side, receiving cabin 1 is installed in sound emitting cabin 3 right side, U-shaped plate 4 horizontal end upper middle part is equipped with through slot 10, U-shaped plate 4 right end is equipped with motor 9, U-shaped plate 4 inside left side is rotatably installed with screw rod 24, motor 9 rotating shaft is connected with screw rod 24, screw rod 24 outside is connected with bump 12 by screw thread, bump 12 below is installed with rectangular frame 8, rectangular frame 8 is installed with electric push rod 11 in upper middle part inside, rectangular frame 8 is installed with multiple small dust collectors 13 inside below, and the dust suction end of multiple small dust collectors 13 is respectively penetrated through rectangular frame 8 lower side, and the design solves that original device standard test method needs to process at least ten square meters size of measured material sample, test is carried out by construction organization installation in professional sound insulation hole, leading to that sample processing cost is higher, and the demand to test site is higher, and the application scene of test cabin is multiple, and the problem that dust is easily accumulated on cabin body upper side for long time use, and cabin body itself size is larger to lead to not easy to clean dust.

[0021] As a first embodiment of the utility model: the left side of sound cabin 3 is fixed with outer metal cover 6 and inner metal cover 18, and outer metal cover 6 surrounds inner metal cover 18, a plurality of preset interfaces 22 are arranged below outer metal cover 6 and inner metal cover 18 respectively, the double sound insulation of loudspeaker 19 is facilitated by arranging outer metal cover 6 and inner metal cover 18, and the cable of external power supply equipment or the cable of audio equipment is facilitated by arranging a plurality of preset interfaces 22. Convex block 12 and through slot 10 are slidably connected, electric push rod 11 telescopic shaft penetrates rectangular frame 8, electric push rod 11 telescopic shaft end is installed with brush plate 23, and the left and right ends of U-shaped plate 4 are installed above receiving cabin 1 and above sound cabin 3 respectively, the stability when convex block 12 moves is facilitated by slidably connecting convex block 12 and through slot 10, and dust is facilitated by setting brush plate 23. Wooden baffle 20 is connected with the left side in sound cabin 3 through butterfly screw, and sealing frame 21 is installed in the left side connecting part of sound cabin 3. First shell body 2 is wrapped and installed on the outside of receiving cabin 1, and second shell body 5 is wrapped and installed on the outside of sound cabin 3, and the protection of receiving cabin 1 and sound cabin 3 is facilitated by arranging first shell body 2 and second shell body 5. Receiving cabin soundproof door 14 is hinged on the right side of receiving cabin 1, sound cabin soundproof door 7 is hinged on the front middle part of sound cabin 3, and soundproof damping layer and sound absorbing layer for background sound field control are arranged on the inside of receiving cabin 1 and the inside of sound cabin 3 respectively, and the effect of closing opening 15 and test state adjustment opening 17 is facilitated by arranging receiving cabin soundproof door 14 and sound cabin soundproof door 7.

[0022] As a second embodiment of the utility model: when using, sound cabin soundproof door 7 and receiving cabin soundproof door 14 can be opened, the measured material sample is installed in two test piece installation openings 16, then sound cabin soundproof door 7 and receiving cabin soundproof door 14 are closed, and the test operation is carried out in cooperation with external equipment, when the dust above receiving cabin 1 and sound cabin 3 needs to be cleaned, electric push rod 11 is started, electric push rod 11 drives brush plate 23 to descend, then the brush part of brush plate 23 contacts the above receiving cabin 1, a plurality of small vacuum cleaners 13 are started, then motor 9 is started, the screw rod 24 is rotated, then convex block 12 is moved, so that brush plate 23 cleans the dust above receiving cabin 1 and sound cabin 3, most of the dust raised can be sucked away by a plurality of small vacuum cleaners 13, the pollution rate of surrounding air environment is reduced, motor 9 is periodically forward and reverse, so that brush plate 23 does linear reciprocating motion, and the cleaning effect of the dust above receiving cabin 1 and sound cabin 3 is enhanced.

[0023] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0024] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A sound insulation performance test chamber comprising a receiving chamber (1), a sound emitting chamber (3), a U-shaped plate (4) and a horn (19), characterized in that: The front side of the sound production cabin (3) is provided with a test state adjusting hole (17), the right side of the receiving cabin (1) is provided with an adjusting test state hole (15), the left side of the receiving cabin (1) and the right side of the sound production cabin (3) are respectively provided with a test piece installation hole (16), the outside of the loudspeaker (19) is provided with a wooden baffle (20) through bolt installation, the loudspeaker (19) penetrates the left side of the sound production cabin (3), and the receiving cabin (1) is installed on the right side of the sound production cabin (3). The horizontal end of the U-shaped plate (4) is provided with a through slot (10) in the middle, the right end of the U-shaped plate (4) is provided with a motor (9), the left side of the U-shaped plate (4) is rotatably installed with a lead screw (24), the rotating shaft of the motor (9) is connected with the lead screw (24), the outer side of the lead screw (24) is threadedly connected with a protruding block (12), the lower side of the protruding block (12) is installed with a rectangular frame (8), the upper middle part of the rectangular frame (8) is installed with an electric push rod (11), and a plurality of small dust collectors (13) are installed in the lower part of the rectangular frame (8), and the dust collection ends of the plurality of small dust collectors (13) penetrate the lower side of the rectangular frame (8) respectively.

2. The sound insulation performance test chamber according to claim 1, characterized in that: The left side of the sound production cabin (3) is fixedly connected with an outer metal cover (6) and an inner metal cover (18), and the outer metal cover (6) surrounds the inner metal cover (18), and a plurality of preset interfaces (22) are arranged on the lower sides of the outer metal cover (6) and the inner metal cover (18).

3. The sound insulation performance test chamber according to claim 1, characterized in that: The protruding block (12) and the through slot (10) are slidably connected, the telescopic shaft of the electric push rod (11) penetrates the rectangular frame (8), the telescopic shaft end of the electric push rod (11) is installed with a brush plate (23), and the left and right ends of the U-shaped plate (4) are installed above the receiving cabin (1) and above the sound production cabin (3) respectively.

4. The sound insulation performance test chamber according to claim 1, characterized in that: The wooden baffle (20) and the left side of the sound production cabin (3) are connected through a butterfly screw, and the sealing frame (21) is installed on the connection part between the loudspeaker (19) and the left side of the sound production cabin (3).

5. The sound insulation performance test chamber according to claim 1, characterized in that: The outer side of the receiving cabin (1) is wrapped and installed with a first shell body (2), and the outer side of the sound production cabin (3) is wrapped and installed with a second shell body (5).

6. The sound insulation performance test chamber according to claim 1, characterized in that: The right side of the receiving cabin (1) is hingedly connected with a receiving cabin soundproof door (14), the middle part of the front side of the sound production cabin (3) is hingedly connected with a sound production cabin soundproof door (7), and the inner sides of the receiving cabin (1) and the sound production cabin (3) are respectively provided with a soundproof damping layer and an acoustic absorption layer for background sound field control.