Silencing box for test speaker

A technology for testing speakers and silencers, applied to electrical components, etc., can solve the problems of high cost, unequipped units, and large space occupation, and achieve low manufacturing costs, good test results, and less space occupation.

Inactive Publication Date: 2013-12-25
SUZHOU ANKEN ELECTRONICS TECH
View PDF4 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of larger anechoic chamber also has certain limitations, such as high cost and large space occupation, so many units cannot be equipped with it.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Silencing box for test speaker
  • Silencing box for test speaker
  • Silencing box for test speaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The technical solution of the present invention will be described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings.

[0017] refer to Figure 1 to Figure 3 , corresponding to the sound-absorbing box for testing the speaker in a preferred embodiment of the present invention, which is mainly used for testing the acoustic characteristics of the speaker. The muffler box includes a box body 1, an opening 7 and a support frame 4 for supporting a test horn (not shown). Wherein, opening 7 is arranged on the smooth wall body 17 of box body 1, and it matches with test horn and makes the front sound cavity of test horn be positioned at the inner side of smooth wall body 17 and its rear sound cavity is positioned at the outside of smooth wall body 17. Corresponding to the preferred embodiment of the present invention, the smooth wall body 17 is the top wall 17 of the box body 1, and its inner surface is set as a smooth surfac...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a silencing box for a test speaker. The silencing box comprises a box body, a plurality of sound absorption elements in the box body and a microphone, wherein the box body comprises a smooth wall body with an opening, the test speaker is matched and connected with the opening, a front sound cavity of the test speaker is positioned on the inner side of the smooth wall body, a rear sound cavity of the test speaker is positioned on the outer side of the smooth wall body, and the inner surface of the wall body is set to be a smooth surface. The smooth surface can play the role of a baffle plate and isolate the front and the rear sound cavity of the test speaker to avoid the sound pressure produced by the front and the rear sound cavity of the test speaker, so that the silencing box for the test speaker has the advantages of good test effect, low manufacturing cost, small occupied space and the like.

Description

technical field [0001] The invention relates to a sound-absorbing box, in particular to a sound-absorbing box for testing speakers. Background technique [0002] When testing the acoustic characteristics of the speaker, it is necessary to isolate the front and rear sound chambers of the speaker to avoid the sound pressure generated by the front and rear sound chambers of the speaker from interfering with each other and causing test errors. Among them, the sound pressure is the change of the atmospheric pressure after being disturbed, that is, the residual pressure of the atmospheric pressure, which is equivalent to the pressure change caused by superimposing a disturbance on the atmospheric pressure. In order to make the test data of the acoustic characteristics of the speaker more accurate, such tests are generally carried out inside a relatively large anechoic chamber, and a baffle needs to be installed in the anechoic chamber. The front and rear surfaces of the baffle ar...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H04R29/00
Inventor 付迅李雪
Owner SUZHOU ANKEN ELECTRONICS TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap