Sleeve type inverter tube

A technology of inverter tubes and nesting, which is applied in the direction of frequency/direction characteristic devices, etc., can solve the problems affecting the shallow depth of the speaker at low frequencies, the opening area of ​​the inverter tube should not be too large, and the inverter port should not have obstacles, etc. It achieves the effect of simple sound field reconstruction, enhanced sound image surround feeling, and full strength

Inactive Publication Date: 2016-06-01
杨菊梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a structure can generally only be used for square boxes and is difficult for cylindrical boxes
In addition, limited by the area and strength of the baffle, the opening area of ​​the inverter tube should not be too large. This will firstly affect the strength of the low-frequency dive, and secondly, under large dynamics, due to the extremely fast airflow passing through the inverter tube, it will be very fast. It is easy to form airflow scraping sound at the port of the inverter, which will affect the actual listening effect
The third is that the inverter tube should not be too long, which will affect the shallow depth of the speaker at low frequencies.
For example, a speaker with a phase port at the back cannot be placed too close to the wall; and there should be no obstacles in front of the phase port, otherwise it may cause related items to resonate and produce sound dyeing

Method used

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  • Sleeve type inverter tube
  • Sleeve type inverter tube
  • Sleeve type inverter tube

Examples

Experimental program
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Embodiment Construction

[0018] Such as figure 1 with figure 2 The nested tubular phase inverter, which includes a cylindrical cavity shell 1 and a cavity shell 2, the cavity shell 2 is nested on the cylindrical cavity shell 1 to form a slit type phase inverter outlet 3 and the inverted lumen 5 , the cavity housing 2 is provided with a woofer unit 4 .

[0019] Such as image 3 with Figure 4 As shown, when the woofer unit cone 6 of the woofer unit 4 starts to vibrate, the radiated sound waves on the front and rear sides of the woofer unit are equal in magnitude and opposite in phase. At this time, the anti-phase sound waves at the rear of the woofer unit vibrating basin 6 will resonate inside the inverter cavity 5 and be inverted, and the inverted low-frequency sound waves will radiate to the surroundings in a 360-degree manner through the slit-type inverter outlet 3; Since the radiated sound waves are out of phase at this time, they can be superimposed with the radiated sound waves in the front ...

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PUM

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Abstract

A sleeve type inverter tube comprises a cylindrical hollow housing and a hollow housing. The hollow housing sleeves the cylindrical hollow housing, thereby forming a slit type inverter tube outlet and an inverter tube chamber. The hollow housing is provided with a bass loudspeaker unit. The sleeve type inverter tube is advantageous in that simple sound field reconstruction in a complicated sound construction condition; no specific requirement for placement exists; low bass extension, enough sound strength and attractive tone are realized; and furthermore surrounding feeling of the sound can be improved.

Description

technical field [0001] The invention relates to a bass phase inverter for a sound box or other sound generating devices, in particular to a nested tube type phase inverter. Background technique [0002] Most of the speakers currently in use are vented speakers, and most of them are rectangular boxes with cuboid or cube structures. [0003] This kind of traditional speakers often install one or several inverter tubes on a certain baffle of the cabinet as the inverter for the bass. Such a structure can generally only be used for a square box and is difficult for a cylindrical box. In addition, limited by the area and strength of the baffle, the opening area of ​​the inverter tube should not be too large. This will firstly affect the strength of the low-frequency dive, and secondly, under large dynamics, due to the extremely fast airflow passing through the inverter tube, it will be very fast. It is easy to form airflow scraping sound at the port of the inverter, thus affecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/20
Inventor 杨菊梅
Owner 杨菊梅
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