CN217112190U - Panel sound insulation effect test equipment - Google Patents

Abstract

The utility model relates to a panel sound insulation effect test equipment, including the sound-proof box, inside test module and outside test module, a terminal surface of sound-proof box is the sound testing face, is equipped with the fretwork groove on the sound testing face, the sound testing face is connected and the fretwork groove is covered to the test template, inside test module sets up in the sound-proof box, including controllable sound source and inside moving mechanism, controllable sound source installs on inside moving mechanism, and can be close to or keep away from the sound testing face under inside moving mechanism's drive, outside test module sets up outside the sound-proof box, including outside sound sensor and outside moving mechanism, outside sound sensor installs on outside moving mechanism, and can be close to or keep away from the sound testing face under outside moving mechanism's drive. Compared with the prior art, the utility model discloses can realize the real-time two-way adjustment of sound source position and sound measurement position, not only simplify test procedure, convenient operation, make test result data more comprehensive complete moreover.

Description

Panel sound insulation effect test equipment

Technical Field

The utility model belongs to the technical field of a material test and specifically relates to a panel sound insulation effect test equipment is related to.

Background

At present, sound insulation materials are increasingly used in daily use, and have wide application in various fields such as automobiles, interior decoration, electronic products and the like. The sound insulation material needs to be comprehensively tested for sound insulation effect in the design and production processes, and the prior art generally uses a common sound insulation box for testing, so that the following problems exist: in the testing process, the volume and the sound source position need to be continuously adjusted, the sound insulation box needs to be repeatedly opened and closed, and the test sample plate needs to be repeatedly disassembled and assembled, so that the whole process is complicated; the disassembly and assembly of the test sample plate need to be sealed every time, the operation is complex, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a panel sound insulation effect test equipment in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a panel sound insulation effect test equipment, includes sound insulation box, inside test module and outside test module, a terminal surface of sound insulation box is the sound testing face, be equipped with the fretwork groove on the sound testing face, the sound testing face is connected and the fretwork groove is covered to the test model, inside test module sets up in sound insulation box, including controllable sound source and inside moving mechanism, controllable sound source installs on inside moving mechanism, and can be close to or keep away from the sound testing face under inside moving mechanism's the drive, outside test module sets up outside sound insulation box, including outside sound sensor and outside moving mechanism, outside sound sensor installs on outside moving mechanism, and can be close to or keep away from the sound testing face under outside moving mechanism's the drive.

Further, the sound insulation box comprises a box body with an opening on one end face and a cover plate, and the hollow groove is formed in the center of the cover plate.

Furthermore, a supporting plate is arranged on the inner side of the cover plate, the supporting plate covers the end part of the opening of the box body, an open slot is formed in the center of the supporting plate and is opposite to the hollow slot, and the test sample plate is fixed between the supporting plate and the cover plate.

Further, the internal test module further comprises an internal sound sensor mounted on the internal movement mechanism.

Further, inside moving mechanism includes first lift slip table and sound source installing support, the base of first lift slip table is fixed at the relative tank wall inboard of sound testing face, the lift end of first lift slip table is connected to the sound source installing support, controllable sound source is fixed on the sound source installing support.

Furthermore, the external test module is fixed on one side of the sound testing surface through the mounting seat, the external moving mechanism comprises a second lifting sliding table and a sensor mounting support, a base of the second lifting sliding table is fixed on the mounting seat, the sensor mounting support is connected with a lifting end of the second lifting sliding table, and the external sound sensor is fixed on the sensor mounting support.

Furthermore, sound insulation layers are arranged on the inner sides of the box walls of the sound insulation boxes.

Further, the sound source, the internal moving mechanism, the external sound sensor and the external moving mechanism are all connected with the controller.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a mobilizable controllable sound source and outside sound sensor set up inside and outside the sound-proof box respectively, can realize the real-time two-way adjustment of sound source position and sound measurement position in the test procedure, not only simplify test procedure, convenient operation, make test result data more comprehensive complete moreover.

2. The fixed mode of test model is the two-sided centre gripping of apron and backup pad, compromises syllable-dividing leakproofness and installation convenience.

3. Set up inside sound sensor in the sound-proof box, carry out real-time supervision to controllable sound source, ensure that inside takes place stably, improve the precision of test.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the soundproof case.

Fig. 3 is an overall schematic diagram of the test state of the present invention.

Reference numerals: 1. soundproof box, 11, the box, 12, the apron, 13, the backup pad, 14, the open slot, 15, fretwork groove, 16, puigging, 2, internal test module, 21, controllable sound source, 22, inside sound sensor, 23, first lift slip table, 24, sound source installing support, 3, outside test module, 31, outside sound sensor, 32, second lift slip table, 33, sensor installing support, 4, the controller, 5, the test model, 6, the mount pad.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1, the present embodiment provides a panel soundproofing effect test apparatus including a soundproofing case 1, an internal test module 2, and an external test module 3.

As shown in fig. 2, the soundproof case 1 includes a case body 11 having an open top and a cover plate 12. The sound insulation layer 16 is provided on the inner side of the wall of the box body 11. A supporting plate 13 is further provided at the opening of the top surface of the soundproof box 1, and the supporting plate 13 itself is a soundproof material. The support plate 13 is fixed by overlapping the periphery thereof on the top of the soundproof layer 16 of the other wall so as to cover the open top surface of the cabinet 11. A rectangular open groove 14 is provided at the center of the support plate 13 for transmitting sound. The cover plate 12 is installed above the support plate 13, and a hollow groove 15 corresponding to the shape and size of the open groove 14 is formed in the center of the cover plate 12. The test template 5 is clamped and fixed between the supporting plate 13 and the cover plate 12, and the test template 5 separates the open groove 14 and the hollow groove 15, so that the structure can simultaneously achieve the sound insulation sealing performance and the convenience of the installation of the test template 5.

As shown in FIG. 1, the internal test module 2 is mounted within a sound isolation enclosure 1 and includes a controllable sound source 21, an internal sound sensor 22, and an internal movement mechanism. The internal moving mechanism specifically comprises a first lifting sliding table 23 and a sound source mounting bracket 24, wherein a base of the first lifting sliding table 23 is fixed on a bottom plate of the box body 11, and the sound source mounting bracket 24 is fixedly mounted at a lifting end of the first lifting sliding table 23. The controllable sound source 21 is arranged on the sound source mounting bracket 24 and is positioned right below the hollow groove 15 on the cover plate 12. The internal sound sensor 22 is mounted on the sound source mounting bracket 24 on the side of the controllable sound source 21. Under the action of the first lifting slide table 23, the controllable sound source 21 can be close to or far away from the cover plate 12 to realize the adjustment of the position of the sound source. The internal sound sensor 22 and the controllable sound source 21 do not have relative displacement, the controllable sound source 21 is monitored in real time, the internal stability is ensured, and the testing precision is improved.

As shown in fig. 1, the external test module 3 is fixed above the cover plate 12 by a mounting base 6, and includes an external sound sensor 31 and an external moving mechanism. Wherein, outside moving mechanism includes second lift slip table 32 and sensor installing support 33, and the base of second lift slip table 32 is fixed on mount pad 6, and the lift end of second lift slip table 32 is connected to sensor installing support 33, and outside sound sensor 31 is fixed on sensor installing support 33 to be located apron 12 and directly over fretwork groove 15. Under the action of the second lifting sliding table 32, the external sound sensor 31 can be close to or far from the cover plate 12 to realize signal reception at different positions.

As shown in fig. 3, the testing apparatus further includes a controller 4, typically a PC and an electrical control box, and the controllable sound source, the internal moving mechanism, the external sound sensor and the external moving mechanism are all connected to the controller 4 for performing the sound insulation test. The device of the embodiment can be integrally arranged in a mute room for operation.

The test procedure of this example is as follows:

the cover plate of the soundproof box is opened firstly, the test sample plate is placed on the open slot of the support plate, and then the cover plate is closed to fix the test sample plate between the support plate and the cover plate. The controllable sound source is opened through the controller, and the sound signal can be received by the external sound sensor through the test sample plate at the open groove and the hollow groove. In the testing process, the position of the controllable sound source distance testing sample plate can be adjusted according to the requirement, and the position of the external sound sensor distance testing sample plate can be adjusted simultaneously, so that the adjustment of different distances and positions is realized, and more comprehensive sound insulation effect testing is carried out.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (8)

1. A plate sound insulation effect test device is characterized by comprising a sound insulation box (1), an internal test module (2) and an external test module (3), one end face of the sound insulation box (1) is a sound testing surface, a hollow groove (15) is arranged on the sound testing surface, the test sample plate (5) is connected with the sound testing surface and covers the hollow groove (15), the internal test module (2) is arranged in the sound insulation box (1) and comprises a controllable sound source (21) and an internal moving mechanism, the controllable sound source (21) is arranged on the internal moving mechanism, and can be close to or far away from the sound-measuring surface under the drive of the internal moving mechanism, the external testing module (3) is arranged outside the sound-insulating box (1) and comprises an external sound sensor (31) and an external moving mechanism, the external sound sensor (31) is arranged on the external moving mechanism and can be close to or far away from the sound measuring surface under the driving of the external moving mechanism.

2. The panel sound insulation effect test device according to claim 1, characterized in that the sound insulation box (1) comprises a box body (11) with an open end face and a cover plate (12), and the hollow-out groove (15) is arranged in the center of the cover plate (12).

3. The board sound insulation effect test device according to claim 2, characterized in that a support plate (13) is arranged on the inner side of the cover plate (12), the support plate (13) covers the open end of the box body (11), an open slot (14) is arranged in the center of the support plate (13), the open slot (14) is opposite to the hollowed slot (15), and the test template (5) is fixed between the support plate (13) and the cover plate (12).

4. A panel soundproofing effect test apparatus according to claim 1, characterised in that the internal test module (2) further comprises an internal sound sensor (22), which internal sound sensor (22) is mounted on an internal movement mechanism.

5. The panel sound insulation effect test equipment according to claim 1, wherein the internal moving mechanism comprises a first lifting sliding table (23) and a sound source mounting bracket (24), a base of the first lifting sliding table (23) is fixed on the inner side of the opposite box wall of the sound measuring surface, the sound source mounting bracket (24) is connected with a lifting end of the first lifting sliding table (23), and the controllable sound source (21) is fixed on the sound source mounting bracket (24).

6. The panel sound insulation effect test equipment according to claim 1, wherein the external test module (3) is fixed on one side of the sound measuring surface through a mounting seat (6), the external moving mechanism comprises a second lifting sliding table (32) and a sensor mounting bracket (33), the base of the second lifting sliding table (32) is fixed on the mounting seat (6), the sensor mounting bracket (33) is connected with the lifting end of the second lifting sliding table (32), and the external sound sensor (31) is fixed on the sensor mounting bracket (33).

7. The board sound insulation effect test device according to claim 1, characterized in that the sound insulation layer (16) is arranged on the inner side of the wall of the sound insulation box (1).

8. A panel sound insulation effect test device according to claim 1, characterized by further comprising a controller (4), wherein the controllable sound source (21), the internal moving mechanism, the external sound sensor (31) and the external moving mechanism are all connected with the controller (4).

Images