CN205071259U

CN205071259U - Double tone territory earphone

Info

Publication number: CN205071259U
Application number: CN201520571625.3U
Authority: CN
Inventors: 朱靓
Original assignee: DONGGUAN SIYOTO ELECTRONICS Co Ltd
Current assignee: DONGGUAN SIYOTO ELECTRONICS Co Ltd
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2016-03-02
Anticipated expiration: 2025-08-03

Abstract

The utility model provides a double tone territory earphone includes at least: a shell, first loudspeaker and second loudspeaker, shell have a hollow inner chamber and with communicating sound hole of inner chamber, the inner chamber includes an ante -chamber and a back cavity, the axle center of ante -chamber and the axle center disalignment of back cavity and crossing, going out the sound hole and communicating with each other with the inner chamber, among the inner chamber was arranged in to first loudspeaker and second loudspeaker, the sound of the exportable low or middle range of first loudspeaker and via a sound hole output, second loudspeaker were located first loudspeaker only towards the biasing position of one side of ante -chamber, and the second loudspeaker are not for crowning range loudspeaker and more first loudspeaker can block the output of first loudspeaker near the play sound hole of ante -chamber, this creation provides a shell that has the turn appearance, has the comfortable nature worn and is difficult for droing, and wherein the second loudspeaker are close the eardrum of people's ear, can provide high quality and clear voice output.

Description

Double-tone territory earphone

Technical field

The utility model relates to ear phone technology field, particularly a kind of double-tone territory earphone.

Background technology

The progress of multimedia video technology makes people can appreciate high-quality multimedia video message at any time, among known many video-audio playing devices, and one of earphone main device being to provide sound equipment.Mode is worn in use according to earphone, and substantially can divide into circumaural earphone and In-Ear Headphones, the former is the earphone form occurred the earliest, although can provide comparatively excellent audio, its volume is larger; It is light and handy and hold portative advantage that the latter has volume, but be limited to the less condition of sounding monomer size, and the audio of In-Ear Headphones is usually excellent not as good as the former.

In-Ear Headphones known in early days only has loudspeaker, and the moving-coil loudspeaker of low range in mostly being, the sound equipment output effect for high range is not good, is difficult to meet user for the audio requirement of earphone in alt territory.In order to solve the problem, a kind of comprise in the In-Ear Headphones of low range loudspeaker and alt territory loudspeaker be suggested, such as check and approve Taiwan new patent M493215 " double-frequency coaxial earphones " of bulletin, a kind of double-frequency coaxial earphones wherein proposed, comprises moving-coil type speaker unit, lid and tweeter unit; Moving-coil type speaker unit comprises moving-coil type support and moving-coil type vibrating diaphragm, and moving-coil type vibrating diaphragm is positioned at moving-coil type support; Lid is covered in moving-coil type support, and lid and moving-coil type support jointly surround and form tuning cavity, and lid comprises at least one voicing hole, and tuning cavity is communicated at least one voicing hole; Tweeter unit is arranged at lid, and tweeter unit one side is intended for tuning cavity, and tuning cavity is between moving-coil type vibrating diaphragm and tweeter unit.

Moving-coil type speaker unit and the tweeter unit of aforementioned patent technology adopt coaxial design, though be conducive to the assembling of assembly, but wherein the voice output of moving-coil type speaker unit is subject to the stop of tweeter unit, though the output of low range sound in having voicing hole and tuning cavity can produce for moving-coil type speaker unit, but still cannot provide good smoothness and the fidelity effect guaranteeing transmission sound.On the other hand, owing to adopting coaxial design, its external form is inverted L shape, not good with the form fit of human antrum auris and external auditory meatus, does not meet the requirement of ergonomics, and attaching property is good and easily get loose.

Summary of the invention

The purpose of this utility model is for the problems referred to above of the existence of the In-Ear Headphones of known technology, propose one and can provide high-quality and double-tone territory (in low range and alt territory) exports audio clearly, and there is wearing comfort and the double-tone territory earphone of difficult drop-off.

For reaching above-mentioned purpose, the technical scheme that the utility model adopts is:

A kind of double-tone territory earphone, at least comprise: a shell, one first loudspeaker and one second loudspeaker, the inner chamber that this shell has hollow and the sender communicated with this inner chamber, this inner chamber comprises an ante-chamber and a back cavity, the axle center of this ante-chamber is crossing with the axle center disalignment of this back cavity, this sender communicates with this inner chamber and coaxial with the axle center of this ante-chamber, these first loudspeaker and this second loudspeaker are placed among this inner chamber, these first loudspeaker low range loudspeaker exporting via this sender in being, these second loudspeaker are positioned at the offset position of these the first loudspeaker near the side of this ante-chamber, these second loudspeaker be alt territory loudspeaker and comparatively these first loudspeaker near this sender of this ante-chamber.

Preferably, described first loudspeaker are placed in the intersection location in the axle center of ante-chamber and the axle center of back cavity.

Preferably, the sounding put of described first loudspeaker axially with the axis parallel or coaxial of ante-chamber.

Preferably, described first loudspeaker are moving-coil loudspeaker, and the second loudspeaker are ceramic horn.

Preferably, described second loudspeaker and these first loudspeaker have a gap between the two.

Preferably, described shell comprises a fore shell and a back cover, and fore shell hollow forms ante-chamber, and back cover hollow forms back cavity, and fore shell has described sender, and fore shell can be combined into mutually the shell with described inner chamber with back cover.

Preferably, described fore shell has a tube in order to form described sender in wherein.

Preferably, describedly the tube that a soft ear muff can be sheathed on described fore shell is also comprised.

Preferably, described first loudspeaker and the second loudspeaker are all fixedly arranged on fore shell, are conducive to the assembling of assembly.

Preferably, described fore shell combines mutually by the mode engaged with back cover system.

Preferably, describedly also comprise an Air Filter, be arranged at sender and enter inner chamber in order to prevent dust or foreign matter.

Compared with prior art, the utility model double-tone territory earphone has following advantage and effect, wherein the second loudspeaker can not stop the output of the first loudspeaker, on the other hand, second loudspeaker are alt territory loudspeaker and comparatively close to the ear-drum of people's ear, the shortwave of high pitch exports ear-drum narrow space to, therefore can provide high-quality and alt territory voice output clearly.Form a kind of shell with external form of transferring by fore shell and back cover, can with the shape adaptation of human antrum auris and external ear, have comfortable wearability, and preferably locating effect and difficult drop-off.

Below coordinate graphic described content to be better embodiment for realizing the above-mentioned object of this creation, embodiment, technical characteristic and effect thereof, and be not used to limit this creation.

Accompanying drawing explanation

Accompanying drawing 1 is the structure decomposition map of the first embodiment of the present utility model; Accompanying drawing 2 is the structural map section of the embodiment of Fig. 1; Accompanying drawing 3 is the local structure figure of the utility model first embodiment; Accompanying drawing 4 is the structure decomposition map of the utility model second embodiment; Accompanying drawing 5 is the structural map section of the embodiment of Fig. 4.

In figure, each label respectively: (10) first loudspeaker, (20) second loudspeaker, (30) fore shell, 31 first openings, 32 senders, 33 fins, 34 supports, 35 tubes, 40 back covers, 41 second openings, 42 perforation, 43 engaging ditches, 44 wire holes, 50 soft ear muffs, 51 Air Filters, C inner chamber, C1 ante-chamber, C2 back cavity, G gap, S shell, the axle center of X1 ante-chamber, the axle center of X2 back cavity.

Embodiment

Please refer to Fig. 1-3, be structure decomposition map and the structural map section thereof of the utility model double-tone territory earphone first embodiment, the earphone structure worn due to left ear and auris dextra is symmetrical mutually, and the graphic earphone structure only illustrating a wherein ear prestowage hereafter joined together is described.As shown in Figures 1 and 2, an embodiment structure of the utility model double-tone territory earphone, at least comprises: a shell S, one first loudspeaker 10 and one second loudspeaker 20, wherein the first loudspeaker 10 are moving-coil loudspeaker, and the second loudspeaker 20 are ceramic horn.

The inner chamber C that shell S has hollow and the sender 32 communicated with inner chamber C, inner chamber C comprises an an ante-chamber C1 and back cavity C2, and sender 32 communicates with ante-chamber C1, and the axle center X1 of ante-chamber C1 is crossing with the axle center X2 disalignment of back cavity C2.Therefore, form a kind of shell with external form of transferring by fore shell and back cover, can with the shape adaptation of human antrum auris and external ear, have comfortable wearability, and preferably locating effect and difficult drop-off.

Described shell S comprises fore shell 30 and a back cover 40, fore shell 30 hollow forms described ante-chamber C1, back cover 40 hollow forms described back cavity C2, fore shell 30 has one first opening 31 and described sender 32 that communicate with ante-chamber C1, back cover 40 has one second opening 41 that communicates with back cavity C2 and can the wire hole 44 that wears of supply lines, and the first opening 31 of fore shell 30 can be combined into mutually the shell S with inner chamber C with the second opening 41 of back cover 40; Fore shell 30 has a tube 35 in order to form described sender 32 in wherein; Wherein back cover 40 the dorsal part of the first loudspeaker 10 have be communicated with the outside atmosphere of shell S one bore a hole 42, can be used for the internal pressure regulating inner chamber C; First opening 31 of fore shell 30 and the second opening 41 of back cover 40 have a fin 33 respectively and engage ditch 43 (fin is interchangeable with the position engaging ditch) with one, and fin 33 just can engage mutually with engaging ditch 43; First loudspeaker 10 and the second loudspeaker 20 are be fixedly arranged on fore shell 30, recycling fin 33 with engage ditch 43 and just can easily fore shell 30 and back cover 40 be combined, there is effect easy to assembly.

First loudspeaker 10 are placed in the intersection location of the axle center X1 of ante-chamber C2 and the axle center X2 of back cavity C2; The sounding of the first loudspeaker 10 is axially parallel with the axial X2 of back cavity C2; ; The sounding of the first loudspeaker 10 is axial is coaxial relation with the axial X2 of back cavity C2; The sounding of the first loudspeaker 10 is axially axially crossing or not parallel with the sounding of the second loudspeaker 20, second loudspeaker 20 are positioned at the first loudspeaker 10 near the side of ante-chamber C1, second loudspeaker 20 are positioned at the side sound direction of the first loudspeaker 10, and the second loudspeaker 20 are compared with the sender 32 of the first loudspeaker 10 closer to ante-chamber C1, second loudspeaker 20 and the first loudspeaker 10 have a clearance G between the two, the bossed support 34 of inner chamber C1 tool of fore shell 30 for supporting and fixing the second loudspeaker 20, and makes two loudspeaker 20 and the first loudspeaker 10 have described clearance G between the two.

The first opening 31 place of fore shell 30 is located at by first loudspeaker 10, the offset position of the ante-chamber C1 of fore shell 30 is located at by second loudspeaker 20, position deviation first loudspeaker 10 of the second loudspeaker 20 and the online of sender 32, the side of the axle center X1 of the position deviation ante-chamber C2 of the second loudspeaker 20.Therefore, second loudspeaker 20 can not stop the output of the first loudspeaker 10, on the other hand, second loudspeaker 20 are alt territory loudspeaker and comparatively close to the ear-drum (because comparatively close to sender 32) of people's ear, the shortwave of high pitch exports ear-drum narrow space to, therefore can provide high-quality and alt territory voice output clearly.

Please refer to Fig. 4 and Fig. 5, is structure decomposition map and the structural map section thereof of the utility model second embodiment.The utility model also comprises soft ear muff 50 (can be the soft ear muff of silica gel matter) and an Air Filter 51, soft ear muff 50 can be sheathed on tube 35, by soft ear muff 50 can with the shape adaptation of human antrum auris and external ear, have comfortable wearability, Air Filter 51 is located at sender 32 and is entered inner chamber C in order to prevent dust or foreign matter.

Claims

1. a double-tone territory earphone, it is characterized in that, at least comprise: a shell, one first loudspeaker and one second loudspeaker, the inner chamber that this shell has hollow and the sender communicated with this inner chamber, this inner chamber comprises an ante-chamber and a back cavity, the axle center of this ante-chamber is crossing with the axle center disalignment of this back cavity, this sender communicates with this inner chamber and coaxial with the axle center of this ante-chamber, these first loudspeaker and this second loudspeaker are placed among this inner chamber, these first loudspeaker are middle bass horn and export via this sender, these second loudspeaker are positioned at the offset position of these the first loudspeaker near the side of this ante-chamber, these second loudspeaker be loudspeaker and comparatively these first loudspeaker near this sender of this ante-chamber.

2. double-tone territory as claimed in claim 1 earphone, it is characterized in that, described first loudspeaker are placed in the intersection location in the axle center of this ante-chamber and the axle center of this back cavity.

3. double-tone territory as claimed in claim 1 earphone, is characterized in that, the sounding put of described first loudspeaker axially with the axis parallel or coaxial of this ante-chamber.

4. double-tone territory as claimed in claim 1 earphone, it is characterized in that, described first loudspeaker are moving-coil loudspeaker, and these second loudspeaker are ceramic horn.

5. double-tone territory as claimed in claim 1 earphone, is characterized in that, described second loudspeaker and these first loudspeaker have a gap between the two.

6. double-tone territory earphone as claimed in claim 1, it is characterized in that, described shell comprises a fore shell and a back cover, this fore shell hollow forms this ante-chamber, this back cover hollow forms this back cavity, this fore shell has one first opening and this sender that communicate with this ante-chamber, and this back cover has one second opening communicated with this back cavity, and this first opening of this fore shell can be combined into mutually this shell with this inner chamber with this second opening of this back cover.

7. double-tone territory as claimed in claim 6 earphone, is characterized in that, described fore shell has a tube in order to form this sender in wherein.

8. double-tone territory as claimed in claim 7 earphone, it is characterized in that, also comprise a soft ear muff and an Air Filter, this soft ear muff can be sheathed on this tube, and this sender is located at by this Air Filter.

9. double-tone territory as claimed in claim 6 earphone, is characterized in that, described first loudspeaker and these second loudspeaker are fixedly arranged on this fore shell.

10. double-tone territory as claimed in claim 6 earphone, it is characterized in that, this first opening of described fore shell has one respectively with this second opening of this back cover and engages ditch and a fin, and this fin just can engage ditch with this and engage mutually.