Centrifugal glass wool sound absorbing performance detection device

A technology of centrifugal glass wool and detection device, which is applied in the direction of using sound wave/ultrasonic wave/infrasonic wave to analyze solids, instruments, and analysis materials, etc. It can solve the problems of inaccurate data performance, data structure affecting sound absorption performance, etc., and achieve accurate test results and increase Device stability, effect of preventing sound leakage

Inactive Publication Date: 2019-09-03
HUBEI JIA FU DA ENERGY SAVING TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a centrifugal glass wool sound-absorbing performance testing device, which has the advantages of convenient testing of sound-absorbing performance and accurate test results, and solves the problem of rebound and diffusion of sound waves in the testing of sound-insulating materials. It is easy to cause inaccurate test data performance and data structure problems that affect sound-absorbing performance

Method used

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  • Centrifugal glass wool sound absorbing performance detection device
  • Centrifugal glass wool sound absorbing performance detection device
  • Centrifugal glass wool sound absorbing performance detection device

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Figure 1-5, a centrifugal glass wool sound-absorbing performance testing device, including a platform 1, the front of the platform 1 is fixedly installed with a display, the display is electrically connected to the decibel detector 6, the right side of the top of the platform 1 is fixedly connected with a connecting rod 2, and the connecting rod 2 The outer surface is fixedly installed with casing 3, the number of casing 3 is two, and evenly distri...

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Abstract

The invention relates to the technical field of centrifugal glass wool, and discloses a centrifugal glass wool sound absorbing performance detection device. The device comprises a platform; a connecting rod is fixedly connected to the right side of the top of the platform; the outer surface of the connecting rod is fixedly provided with a sleeve; the left side of the sleeve is fixedly connected with a strut; the left end of the strut is fixedly connected with a detection box; the detection box is internally fixedly provided with a decibel detector; the left side of the top of the platform is fixedly provided with a sliding rail; the left and right sides of the inner part of the sliding rail are movably connected with sliders; the top parts of the two sliders are fixedly connected with sliding rods; the top ends of the two sliding rods are fixedly connected through a working box; the right side of the working box and the left side of the detection box are fixedly provided with rubber rings; and the working box is internally and fixedly provided with a loudspeaker. According to the centrifugal glass wool sound absorbing performance detection device disclosed in the invention, the sound absorbing performance can be tested conveniently, and the testing effects are accurate.

Description

technical field [0001] The invention relates to the technical field of centrifugal glass wool, in particular to a sound-absorbing performance detection device of centrifugal glass wool. Background technique [0002] Centrifugal glass wool is a fibrous material made of glass in a molten state, which is fiberized and sprayed with thermosetting resin by centrifugal blowing process. The internal fibers are fluffy and interlaced, and there are a large number of tiny pores. It is a typical porous sound-absorbing material with good sound-absorbing characteristics. [0003] According to Chinese patent CN 107219301 A, in a device for testing the sound insulation performance of automobile glass, the signal generator is connected to the directional speaker and can output sound signals to the directional speaker through a directional speaker, a signal generator and a decibel meter, and the directional speaker is installed In the middle of one side of the car glass to be tested, the dec...

Claims

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Application Information

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IPC IPC(8): G01N29/11
CPCG01N29/11G01N2291/015G01N2291/0231
Inventor 杨辉李仙德张洋
Owner HUBEI JIA FU DA ENERGY SAVING TECH CO LTD
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