CN105681947A

CN105681947A - Open type electronic music earphone

Info

Publication number: CN105681947A
Application number: CN201610002312.5A
Authority: CN
Inventors: 胡振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-06
Filing date: 2016-01-06
Publication date: 2016-06-15

Abstract

The invention provides an open type electronic music earphone. The earphone comprises a receiver shell body; an audio vibration film is arranged in the receiver shell body facing towards an ear hole; an audio coil is arranged on the audio vibration film; a voice transmission end cover is arranged in front of the audio coil; a tubular permanent magnet opposite to the audio coil is fixed at back of the audio coil; the magnetization direction of the tubular permanent magnet extends along an axis; a pickup vibration film is arranged at back of the tubular permanent magnet; a pickup coil is arranged on the pickup vibration film; the pickup coil is opposite to the tubular permanent magnet; the audio coil and the pickup coil are mutually connected in series and then are electrically connected with an earphone input wire; voice through holes for collecting external environment voices are prepared on the receiver shell opposite to the surface of the pickup vibration film. According to the earphone, when enjoying the music, the environment voices can be heard clearly.

Description

Opening electronic music earphone

Technical field

The present invention relates to electronic device field, especially, be a kind of music earphone.

Background technology

Earphone is a kind of conventional electronic amusement apparatus, particularly with youngster, is likely to need to wear earphone under various regimes and appreciates music; Such as, in reading, work, rest, motor process, all need to use earphone to listen music. But, time more, owing to wearing earphone, cause can't hear outside environmental sounds, usually can not response in time other people, even cause potential safety hazard.

Summary of the invention

For the problems referred to above, it is an object of the invention to provide a kind of opening electronic music earphone, this earphone while appreciating music, can clearly hear ambient sound.

The present invention realizes technical purpose and be the technical scheme is that this style of opening electronic music earphone includes listening cylinder shell; Described receiver enclosure interior is opened towards earhole place and is had audio frequency vibrating diaphragm, and described audio frequency vibrating diaphragm is provided with voice coil; Described voice coil front is provided with entrant sound end cap; Voice coil rear is fixed with facing each other with voice coil, the direction of magnetization cast permanent magnet along axis; Described cast permanent magnet rear is opened and is had pickup vibrating diaphragm, and described pickup vibrating diaphragm is provided with pick-up coil, and described pick-up coil is facing each other with cast permanent magnet; Described voice coil, pick-up coil are electrically connected to earphone input line after being serially connected; Described listening on cylinder shell, the surface being right against described pickup vibrating diaphragm is shaped with sound through hole, to gather external environment condition sound.

As preferably, described audio frequency vibrating diaphragm is resin molding, and described pickup vibrating diaphragm is rubber membrane; In the case, pickup vibrating diaphragm can vibrate under the effect of ambient sound, to drive pick-up coil to vibrate, but due to the resilient characteristic of rubber membrane, the low amplitude vibrations of tone currents by rubber membrane inner materials snubber, will cause that tone currents can not reproduce on pickup vibrating diaphragm, simultaneously, described pickup vibrating diaphragm is again as the obstacle of described audio frequency vibrating diaphragm, and restriction listens the audio sound in cylinder shell outwardly to propagate, to affect other people.

As preferably, described in listen the described sound through hole on cylinder shell to be made on the boss end wall of a round boss, described round boss coupling has a spiral cover, and the lid plane of described spiral cover and described boss end wall are close to mutually; Described sound through hole is uniform about the center circumference of described boss end wall, the uniform and described sound shape of through holes of circumference, mating hole that quantity is identical in the lid plane of described spiral cover;Described spiral cover in the process rotated a circle, all sound through holes and all mating hole can be made to stagger completely or completely through; By this scheme, when music is immersed in by needs, only need to rotate described spiral cover, make all sound through holes and mating hole stagger completely, then ambient sound cannot be introduced into listening cylinder shell, it is impossible to acts on described pickup vibrating diaphragm; When need listen take into account ambient sound while music time, rotate spiral cover, make sound through hole and mating hole part stagger, or completely through, thus realizing adjusting ambient sound effect amplitude on pickup vibrating diaphragm. Further, described sound through hole, mating hole are scallop hole.

The beneficial effects of the present invention is: in use, tone currents flows through described voice coil to this style of opening electronic music earphone, making voice coil vibrate in the magnetic field of described cast permanent magnet, thus driving described audio frequency vibrating diaphragm by music regeneration out; And when the external environment condition sound described sound through hole of traverse, when acting on described pickup vibrating diaphragm, described pickup diaphragm oscillations, thus driving described pick-up coil to vibrate in the magnetic field of cast permanent magnet, thus producing environmental audio in pick-up coil, this environmental audio, further through described voice coil, audio frequency vibrating diaphragm, together reproduces in music, makes tympanum hear the music comprising ambient sound.

Accompanying drawing explanation

Fig. 1 is the structural representation of this style of opening electronic music earphone embodiment one.

Fig. 2 is the structural representation of this style of opening electronic music earphone embodiment two.

Fig. 3 is in this style of opening electronic music earphone embodiment two, and the end of spiral cover is to schematic diagram.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is further described:

Embodiment one:

In the embodiment one shown in Fig. 1, this style of opening electronic music earphone includes listening cylinder shell 1; Described listening internal the opening towards earhole place of cylinder shell 1 to have audio frequency vibrating diaphragm 21, described audio frequency vibrating diaphragm 21 is provided with voice coil 22; Described voice coil 3 front is provided with entrant sound end cap 3; Voice coil 22 rear is fixed with facing each other with voice coil 22, the direction of magnetization cast permanent magnet 4 along axis; Described cast permanent magnet 4 rear is opened and is had pickup vibrating diaphragm 51, and described pickup vibrating diaphragm 51 is provided with pick-up coil 52, and described pick-up coil 52 is facing each other with cast permanent magnet 4; Described voice coil 22, pick-up coil 52 are electrically connected to earphone input line 6 after being serially connected; Described listening on cylinder shell 1, the surface being right against described pickup vibrating diaphragm 51 is shaped with sound through hole 10, to gather external environment condition sound.

Above-mentioned opening electronic music earphone, described audio frequency vibrating diaphragm 21 is resin molding, and described pickup vibrating diaphragm 51 is rubber membrane; In the case, pickup vibrating diaphragm 51 can vibrate under the effect of ambient sound, to drive pick-up coil 52 to vibrate, but due to the resilient characteristic of rubber membrane, the low amplitude vibrations of tone currents by rubber membrane inner materials snubber, will cause that tone currents can not reproduce on pickup vibrating diaphragm 51, simultaneously, described pickup vibrating diaphragm 51 is again as the obstacle of described audio frequency vibrating diaphragm 21, and restriction listens the audio sound in cylinder shell 1 outwardly to propagate, to affect other people.

In use, tone currents flows through described voice coil 22 to above-mentioned opening electronic music earphone, makes voice coil 22 vibrate in the magnetic field of described cast permanent magnet 4, thus driving described audio frequency vibrating diaphragm 21 by music regeneration out; And when the external environment condition sound described sound through hole 10 of traverse, when acting on described pickup vibrating diaphragm 51, described pickup vibrating diaphragm 51 vibrates, thus driving described pick-up coil 52 to vibrate in the magnetic field of cast permanent magnet 4, thus producing environmental audio in pick-up coil 52, this environmental audio, further through described voice coil 22, audio frequency vibrating diaphragm 21, together reproduces with music, makes tympanum hear the music comprising ambient sound.

Embodiment two:

In the embodiment two shown in Fig. 2, Fig. 3, with embodiment one the difference is that, the described described sound through hole 10 listened on cylinder shell 1 is made on the boss end wall of a round boss 11, described round boss 11 coupling has a spiral cover 7, and the lid plane of described spiral cover 7 and described boss end wall are close to mutually; Described sound through hole 10 is uniform about the center circumference of described boss end wall, uniform and described sound through hole 10 shape of circumference, mating hole 70 that quantity is identical in the lid plane of described spiral cover 7; Described spiral cover 7 in the process rotated a circle, all sound through holes 10 and all mating hole 70 can be made to stagger completely or completely through. In embodiment two, the end direction view of described spiral cover 7 is as it is shown on figure 3, mating hole 70 has 4, and in sector, circumference is uniform. For embodiment two, when music is immersed in by needs, only need to rotate described spiral cover 7, make all sound through holes 10 stagger completely with mating hole 70, then ambient sound cannot be introduced into listening cylinder shell 1, it is impossible to acts on described pickup vibrating diaphragm 51; When need listen take into account ambient sound while music time, rotate spiral cover 7, make sound through hole 10 and mating hole 70 part stagger, or completely through, thus realizing adjusting ambient sound effect amplitude on pickup vibrating diaphragm 51, i.e. can conveniently realize the adjustment to ambient sound size.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims

1. an opening electronic music earphone, including listening cylinder shell (1); Described listening internal the opening towards earhole place of cylinder shell (1) to have audio frequency vibrating diaphragm (21), described audio frequency vibrating diaphragm (21) is provided with voice coil (22); Described voice coil (3) front is provided with entrant sound end cap (3); It is characterized in that: voice coil (22) rear is fixed with facing each other with voice coil (22), the direction of magnetization cast permanent magnet (4) along axis; Described cast permanent magnet (4) rear is opened and is had pickup vibrating diaphragm (51), and described pickup vibrating diaphragm (51) is provided with pick-up coil (52), and described pick-up coil (52) is facing each other with cast permanent magnet (4); Described voice coil (22), pick-up coil (52) are electrically connected to earphone input line (6) after being serially connected; Described listening on cylinder shell (1), the surface being right against described pickup vibrating diaphragm (51) is shaped with sound through hole (10), to gather external environment condition sound.

2. opening electronic music earphone according to claim 1, it is characterised in that: described audio frequency vibrating diaphragm (21) is resin molding, and described pickup vibrating diaphragm (51) is rubber membrane.

3. opening electronic music earphone according to claim 1 and 2, it is characterized in that: described in listen the described sound through hole (10) on cylinder shell (1) to be made on the boss end wall of a round boss (11), described round boss (11) coupling has a spiral cover (7), and the lid plane of described spiral cover (7) and described boss end wall are close to mutually; Described sound through hole (10) is uniform about the center circumference of described boss end wall, uniform and described sound through hole (10) shape of circumference, mating hole that quantity is identical in the lid plane of described spiral cover (7); Described spiral cover (7) in the process rotated a circle, all sound through holes (10) and all mating hole (70) can be made to stagger completely or completely through.

4. opening electronic music earphone according to claim 3, it is characterised in that: described sound through hole (10), mating hole (70) are scallop hole.