CN211831134U

CN211831134U - High-pitch assembly with phase plug

Info

Publication number: CN211831134U
Application number: CN202020792505.7U
Authority: CN
Inventors: 椤惧悍; 顾康
Original assignee: Beijing Danilihua Technology Development Co ltd
Current assignee: Beijing Danilihua Technology Development Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-30
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a take high pitch assembly of phase place stopper, speaker including a plurality of longitudinal arrangement, the sound exit of speaker is provided with a plastics bugle, the speaker include the shell and install in electromagnetism sound production combination in the shell, the outside lid of electromagnetism sound production combination is equipped with the high pitch vibrating diaphragm, the phase place stopper is installed in the outside of high pitch vibrating diaphragm, the phase place stopper pass through phase place stopper support with the shell is connected, the phase place stopper support is equipped with the through-hole that supplies the sound wave to pass through. The utility model discloses the audio frequency sound wave interferes little each other, and the interact is little, and directive property is good, and the distortion is little, and sound transmission efficiency is high, and sound quality is good.

Description

High-pitch assembly with phase plug

Technical Field

The utility model relates to a speaker technical field, concretely relates to take high pitch assembly of phase place stopper.

Background

The linear closely-arranged sound box system is widely used in large theaters and outdoor squares, however, sound waves are not directly diffused outwards, a part of sound waves are sent to ears of listeners after being reflected on a diaphragm in a cross mode, the sound waves from the diaphragm interfere with each other in front of a throat, the phase interference and the directivity are not obvious, standing wave distortion is formed, high-frequency sound interference is generated in high-tone arrangement, the reason is that each high-tone is large in diffusion angle and strength, the interference degree is enhanced, and the high-frequency sound waves emitted by the sound box system inevitably generate serious comb filtering which is easy to hear by people. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a take high pitch assembly of phase place stopper.

The utility model discloses a realize through following technical scheme:

the utility model provides a take high pitch assembly of phase place stopper, includes a plurality of longitudinal arrangement's speaker, the sound exit of speaker is provided with a plastics bugle, the speaker include the shell and install in electromagnetism sound production combination in the shell, the outside lid of electromagnetism sound production combination is equipped with the high pitch vibrating diaphragm, the phase place stopper is installed in the outside of high pitch vibrating diaphragm, the phase place stopper pass through phase place stopper support with the shell is connected, the phase place stopper support is equipped with the through-hole that supplies the sound wave to pass through.

Further, the phase plug is a bullet phase plug.

Furthermore, the phase plug is an inverted cone-shaped phase plug, and the outer side of the inverted cone-shaped phase plug is provided with bilaterally symmetrical notches.

Further, the length of the notch is half of the length of the inverted conical phase plug.

Further, the phase plug is an aluminum alloy phase plug or a plastic phase plug.

Further, the length of the plastic horn is more than 2 cm.

Furthermore, the external dimension of the loudspeakers is less than or equal to 5cm, and the central distance between the loudspeakers is less than or equal to 5 cm.

Further, the speaker is a high frequency compression driver.

Further, the distance between the plastic horns is more than or equal to 1 cm.

Furthermore, the loudspeaker is a neodymium magnetic inner magnetic loudspeaker or a neodymium magnetic outer magnetic loudspeaker or a piezoelectric ceramic loudspeaker, the maximum undistorted sound pressure level of the loudspeaker exceeds 110dB, and the frequency range is 1 KHz-16 KHz.

Compared with the prior art, the utility model discloses a phase place stopper is installed in the outside of high pitch vibrating diaphragm, avoids a part sound wave of the high frequency sound wave that the speaker sent to cross the reflection on the high pitch vibrating diaphragm, avoids the sound wave that comes from the high pitch vibrating diaphragm to interfere mutually, phase interference before the laryngeal opening, makes the high frequency sound wave diffusion angle that the speaker sent diminish, reduces the interference degree of high frequency sound wave, and the directive property is obvious, and the distortion is little, forms the high frequency sound wave that tone quality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of the inverted cone-shaped phase plug of the present invention.

In the figure: 1-a loudspeaker; 2-plastic horns; 3-a housing; 4-electromagnetic sounding combination; 5-high pitch vibrating diaphragm; a 6-phase plug; a 7-phase plug holder; 8-incision.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4 the utility model discloses a take high pitch assembly of phase place stopper, including a plurality of longitudinal arrangement's speaker 1, speaker 1's sound exit is provided with a plastics bugle 2, and speaker 1 includes shell 3 and installs electromagnetism sound production combination 4 in shell 3, and the outside lid of electromagnetism sound production combination 4 is equipped with high pitch vibrating diaphragm 5, and phase place stopper 6 is installed in high pitch vibrating diaphragm 5's the outside, and phase place stopper 6 is connected with shell 3 through phase place stopper support 7, and phase place stopper support 7 is equipped with the through-hole that supplies the sound wave to pass through. Install phase plug 6 through the outside of high pitch vibrating diaphragm 5, avoid the cross reflection on high pitch vibrating diaphragm 5 of some sound waves of the high frequency sound wave that speaker 1 sent, avoid coming from the sound wave of high pitch vibrating diaphragm 5 mutually interfere, phase interference before the laryngeal opening, make the high frequency sound wave diffusion angle that speaker 1 sent diminish, reduce the interference degree of high frequency sound wave, the directive property is obvious, the distortion is little, forms the high frequency sound wave that tone quality is good.

The first specific embodiment: the phase plug 6 is a bullet phase plug, and the production cost is low.

Second specific embodiment: the phase plug 6 is an inverted cone-shaped phase plug, the left and right symmetrical notches 8 are formed in the outer side of the inverted cone-shaped phase plug, mutual interference and phase interference of sound waves from the high-pitch vibrating diaphragm 5 in front of a throat opening are avoided, the diffusion angle of high-frequency sound waves emitted by the loudspeaker 1 is reduced, the interference degree of the high-frequency sound waves is reduced, the directivity is obvious, the distortion is small, and the high-frequency sound waves with good tone quality are formed.

The length of the notch 8 is half of the length of the inverted cone-shaped phase plug, so that the diffusion angle of the high-frequency sound wave emitted by the loudspeaker 1 is reduced, the interference degree of the high-frequency sound wave is reduced, the directivity is obvious, the distortion is small, and the high-frequency sound wave with good sound quality is formed.

The phase plug 6 is an aluminum alloy phase plug or a plastic phase plug, the aluminum alloy phase plug is favorable for improving the directivity of high-frequency sound waves, the heat dissipation performance is good, and the plastic phase plug cannot cause resonance.

The length of the plastic horn 2 is more than 2cm, and the plastic horn can be made into various shapes according to actual requirements.

The external dimension of the loudspeaker 1 is less than or equal to 5cm, the center distance between the loudspeakers 1 is less than or equal to 5cm, and the directivity of high-frequency sound waves emitted by the high-pitch assembly is better.

The loudspeaker 1 is a high-frequency compression driver, and the high-frequency sound wave generated by the high-frequency compression driver has small distortion.

The distance between the plastic horns 2 is more than or equal to 1cm, so that the directivity of high-frequency sound waves is stronger.

The loudspeaker 1 is a neodymium magnetic inner magnetic loudspeaker or a neodymium magnetic outer magnetic loudspeaker or a piezoelectric ceramic loudspeaker, the maximum undistorted sound pressure level of the loudspeaker 1 exceeds 110dB, and the frequency range is 1 KHz-16 KHz.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take high pitch assembly of phase place stopper which characterized in that: the loudspeaker that includes a plurality of longitudinal arrangement, the sound exit of loudspeaker is provided with a plastics bugle, the loudspeaker include the shell and install in electromagnetism sound production combination in the shell, the outside lid of electromagnetism sound production combination is equipped with the high pitch vibrating diaphragm, the phase place stopper is installed in the outside of high pitch vibrating diaphragm, the phase place stopper pass through the phase place stopper support with the shell is connected, the phase place stopper support is equipped with the through-hole that supplies the sound wave to pass through.

2. The phase-plug treble combination of claim 1, wherein: the phase plug is a bullet phase plug.

3. The phase-plug treble combination of claim 1, wherein: the phase plug is an inverted cone-shaped phase plug, and the outer side of the inverted cone-shaped phase plug is provided with bilaterally symmetrical notches.

4. The phase-plug treble combination of claim 3, wherein: the length of the notch is half of the length of the inverted conical phase plug.

5. The phase-plug treble combination of claim 1, wherein: the phase plug is an aluminum alloy phase plug or a plastic phase plug.

6. The phase-plug treble combination of claim 1, wherein: the length of the plastic horn is more than 2 cm.

7. The phase-plug treble combination of claim 1, wherein: the external dimension of the loudspeakers is less than or equal to 5cm, and the central distance between the loudspeakers is less than or equal to 5 cm.

8. The phase-plug treble combination of claim 1, wherein: the loudspeaker is a high frequency compression driver.

9. The phase-plug treble combination of claim 1, wherein: the distance between the plastic horns is more than or equal to 1 cm.

10. The phase-plug treble combination of claim 1, wherein: the loudspeaker is a neodymium magnetic inner magnetic loudspeaker or a neodymium magnetic outer magnetic loudspeaker or a piezoelectric ceramic loudspeaker, the maximum undistorted sound pressure level of the loudspeaker exceeds 110dB, and the frequency range is 1 KHz-16 KHz.