CN207766473U - A kind of TWS earphones - Google Patents

Abstract

The utility model is related to ear phone technology fields, disclose a kind of TWS earphones.The TWS earphones include：Fluted and fixing groove is arranged in first shell portion, and the bottom of the groove is provided with through-hole, and trepanning is arranged in the fixing groove bottom；Channel of speaking is arranged in second shell portion, and the groove is connected to by the through-hole with the channel of speaking, and the fixing groove is connected to by the trepanning with the channel of speaking；Dynamic iron unit is contained in the groove；Moving-coil unit is set to the fixing groove.The TWS earphones of the utility model embodiment, it is combined come the phonation unit collectively as the TWS earphones with moving-coil unit using the dynamic iron unit, since the dynamic iron unit has good high-frequency effect, the moving-coil unit has good low frequency and middle yupin effect, so that the TWS earphones has good low frequency, intermediate frequency and high-frequency effect.

Description

A kind of TWS earphones

【Technical field】

The utility model is related to ear phone technology fields, more particularly to a kind of TWS earphones.

【Background technology】

Earphone, will using the loud speaker close to ear by a kind of electric signal for receiving media player or receiver and sending out Electric signal is converted to the audio output device for the sound wave that can be heard.It, both can be only by earphone in the case where not influencing other people From listening sound equipment, and the sound of ambient enviroment can be separated, therefore, be widely used in daily life.And for For various audio-frequence player devices, earphone also has become for a kind of necessary device.Earphone is commonly divided into wired earphone and nothing Line earphone.Since wired earphone wears inconvenience so that wireless headset is favored by more and more users.Wherein, including it is true Real wireless stereo headset (True Wireless Stereo, TWS), abbreviation TWS earphones.TWS earphones are a kind of based on bluetooth The equipment of technical transmission stereo signal, i.e. left and right earphone in the case of no any electric wire connection, by bluetooth reception come From the stereo signal of the playback equipments such as mobile phone, realizes and reset.

Currently, TWS earphones generally use moving-coil unit as its phonation unit.User during listening to music, if It wishes to hear the high-frequency sound that piano etc. is brighter, and since moving-coil unit is bad as the high-frequency effect of TWS earphones, from And make the needs for not being well positioned to meet user as the TWS earphones of its phonation unit using moving-coil unit.

【Utility model content】

In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of with good low frequency, intermediate frequency and height The TWS earphones of yupin effect.

In order to solve the above technical problems, the utility model embodiment provides following technical scheme：

A kind of TWS earphones, including：

Fluted and fixing groove is arranged in first shell portion, and the bottom of the groove is provided with through-hole, the fixing groove bottom Trepanning is set；

Channel of speaking is arranged in second shell portion, and the groove is connected to by the through-hole with the channel of speaking, described solid Determine slot to be connected to the channel of speaking by the trepanning；

Dynamic iron unit is contained in the groove；

Moving-coil unit is set to the fixing groove.

In some embodiments, the peace that the first shell portion is provided with receiving space and is connected to the receiving space Mouth is filled, the groove is to be obtained by the outer surface in the first shell portion towards the receiving space is recessed, the groove two-phase To side wall the first sliding mouth and the second sliding mouth is respectively set, slide mouth and the second sliding mouth by institute by described first Receiving space is stated to be connected to the groove；

The TWS earphones further include telescopic component, are set to the first shell portion, and the telescopic component includes first Connecting rod, the second connecting rod, third connecting rod, sliding part, gear member, rack, the first elastic component, the second elastic component, first gear Plate and second baffle, the first baffle are used to carry out the dynamic iron unit in the groove with the second baffle Abut limit；

One end of the head rod is inserted into from the installing port in the receiving space, and the head rod The other end is connect with one end of first elastic component, and the first elastic component other end is installed on the first shell portion, institute It states head rod and one end of second connecting rod is hinged, the head rod and one end of the third connecting rod are cut with scissors It connects, the middle part of the third connecting rod is rotatablely connected with the first shell portion；

The other end of second connecting rod is hinged with the first baffle, and the first baffle is set to described first and slides It opens one's mouth, and the first baffle can be relative to the first sliding mouth sliding；The gear member is set to the receiving space It is interior, and the gear member can be rotated relative to the first shell portion, and one end of the sliding part is fixed on the third and is connected The end face of the other end of extension bar, the gear member are provided with sliding eye, and the other end of the sliding part is inserted into the sliding eye, And the sliding part can slide in the sliding eye；

The second baffle is set to the second sliding mouth, and the second baffle can be relative to second sliding Mouth sliding, the rack is installed on the second baffle, and the gear member is engaged with the rack, and the one of the second baffle End is connect with second elastic component, and the second elastic component other end is installed on the first shell portion.

In some embodiments, it is described when one end far from first elastic component of the head rod is pressed Head rod drives the second connecting rod movement, second connecting rod that the first baffle is driven to be transported to first direction It is dynamic, also, the head rod drives the third connecting rod movement, the third connecting rod to drive the gear member, institute Stating gear member drives the rack to move, and second baffle moves opposite second party to first direction described in the rack drives To movement.

In some embodiments, there are three the dynamic iron unit, three dynamic iron units receivings for the TWS earphones setting In in the groove；

The TWS earphones are additionally provided with Audio Input Modules and frequency dividing circuit, the frequency dividing circuit and Audio Input Modules Connection, and the frequency dividing circuit is also connect with three dynamic iron units and the moving-coil unit respectively.

In some embodiments, the TWS earphones further include sealing element, the sealing element be set to the groove with it is described It speaks the junction in channel.

In some embodiments, the second shell portion is arranged sound outlet hole, and the channel of speaking is provided with first end, the Two ends and third end；

The through-hole of the groove is aligned with the first end in the channel of speaking, and is spoken described in the trepanning of the fixing groove logical The second end in road is aligned, and the third end in the channel of speaking is aligned with the sound outlet hole, so that the dynamic iron unit generates Sound propagated to through the through-hole and described speak channel and sound that the moving-coil unit generates is propagated to through the trepanning The channel of speaking, and pass through the sound outlet hole from the channel of speaking.

In some embodiments, the TWS earphones further include damping strainer, the damping strainer be set to described in speak it is logical The third end in road.

In some embodiments, the TWS earphones further include wireless communication module, the wireless communication module be used for it is outer Portion's electronic equipment is communicated.

In some embodiments, the TWS earphones further include touch key-press, and the touch key-press is set to the first shell The outer surface in body portion, the touch key-press is for opening/closing the wireless communication module.

In some embodiments, the dynamic iron unit is square structure or circular configuration.

Compared with prior art, the TWS earphones of the utility model embodiment, by the dynamic iron unit and moving-coil unit phase It is described dynamic since the dynamic iron unit has good high-frequency effect in conjunction with the phonation unit come collectively as the TWS earphones Coil unit has good low frequency and middle yupin effect, so that the TWS earphones has good low frequency, intermediate frequency and high frequency Effect namely the TWS earphones have the performance of good sound on full range.

【Description of the drawings】

One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes Non- to have special statement, composition does not limit the figure in attached drawing.

Fig. 1 is the stereoscopic schematic diagram for the TWS earphones that the utility model embodiment provides；

Fig. 2 is the exploded view for the TWS earphones that the utility model embodiment provides；

Fig. 3 is another stereoscopic schematic diagram for the TWS earphones that the utility model embodiment provides；

Fig. 4 is the structural schematic diagram of telescopic component shown in Fig. 2；

Fig. 5 is the exploded view of telescopic component shown in Fig. 2；

Fig. 6 is the movement schematic diagram of telescopic component shown in Fig. 2.

【Specific implementation mode】

For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can To be directly to another element or may exist one or more elements placed in the middle therebetween.This specification is used Term " vertical ", " horizontal ", "left", "right", "inner", "outside" and similar statement for illustrative purposes only.

Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model The normally understood meaning of technical staff in art field is identical.Term used in the description of the utility model is intended merely to The purpose for describing specific embodiment is not intended to limitation the utility model.Term "and/or" packet used in this specification Include any and all combinations of one or more relevant Listed Items.

- Fig. 3 is please referred to Fig.1, a kind of TWS earphones 100 provided for the utility model embodiment.The TWS earphones 100 wrap Include first shell portion 10, second shell portion 20, dynamic iron unit 30 and moving-coil unit 90.The first shell portion 10 is arranged fluted 101 and fixing groove 107, also, the bottom of the groove 101 is provided with through-hole, and trepanning is arranged in 107 bottom of the fixing groove.Institute It states second shell portion 20 and channel 201 of speaking is set, the groove 101 is connected to by the through-hole with the channel 201 of speaking, and And the dynamic iron unit 30 is contained in the groove 101 so that the sound that the dynamic iron unit 30 generates can pass through it is described Through-hole propagates to the channel 201 of speaking, then is propagated outward by the channel 201 of speaking, so that the sound can be passed to The ear of user.The fixing groove 107 is connected to by the trepanning with the channel 201 of speaking, also, the moving-coil unit 90 Be set to the fixing groove 107 so that the moving-coil unit 90 generate sound can be propagated to by the trepanning described in go out Sound channel 201, then propagated outward by the channel 201 of speaking, so that the sound can be passed to the ear of user.By institute Stating dynamic iron unit 30, there is good high-frequency effect, the moving-coil unit 90 to have good low frequency and middle yupin effect, will be described Dynamic iron unit 30 is combined the phonation unit collectively as the TWS earphones 100 with moving-coil unit 90, so that described There is TWS earphones 100 good low frequency, intermediate frequency and high-frequency effect namely the TWS earphones 100 to have well on full range Sound performance.

10 generally hollow triangle body structure of the first shell portion, in some other embodiments, the first shell Portion 10 can also be other suitable structures, for example, hollow hemisphere body, hollow cylinder or hollow cuboid etc..Described first Housing section 10 is arranged fluted 101, and the groove 101 is for housing the dynamic iron unit 30.The bottom of the groove 101 is arranged There is through-hole, the through-hole is for being connected to the groove 101 and the channel 201 of speaking, so that the dynamic iron unit 30 was sent out Sound transmission is to the channel 201 of speaking.The first shell portion 10 is additionally provided with fixing groove 107, and the fixing groove 107 is used for House the moving-coil unit 90.The bottom of the fixing groove 107 is provided with trepanning, and the trepanning is for being connected to the fixing groove 107 with the channel 201 of speaking so that the sound transmission that sends out of the moving-coil unit 90 is to the channel 201 of speaking.

The installing port that the first shell portion 10 is additionally provided with receiving space 103 and is connected to the receiving space 103 104.The groove 101 can be obtained by the outer surface in the first shell portion 10 towards the receiving space 103 is recessed.Its In, the outer surface in the first shell portion 10 refers to the one side backwards to the receiving space 103.The groove 101 is two opposite The first sliding mouth and the second sliding mouth is respectively set in side wall, and mouth and the second sliding mouth are slided by the receipts by described first Hold space 103 to be connected to the groove 101.Wherein, the first sliding mouth and described second slides the substantially flush setting of mouth In 101 two opposite side walls of the groove.

20 which are substantially hollow cylinders structure of the second shell portion, in some other embodiments, the second shell Portion 20 can also be other suitable structures, for example, hollow cuboid etc..Channel 201 of speaking is arranged in the second shell portion 20 And sound outlet hole, the channel 201 of speaking are provided with first end, the second end and third end.The through-hole of the groove 101 with The first end in the channel 201 of speaking is aligned, the second end pair in channel 201 of speaking described in the trepanning of the fixing groove 107 Together, the third end in the channel 201 of speaking is aligned with the sound outlet hole, so that the sound that the dynamic iron unit 30 generates is through institute State through-hole propagate to it is described speak channel 201 and sound that the moving-coil unit 90 generates propagated to through the trepanning it is described It speaks channel 201, and the sound outlet hole, and then the ear of incoming user is passed through from the channel 201 of speaking.

The dynamic iron unit 30 is generally rectangular shaped structure, and in some other embodiments, the dynamic iron unit 30 can be with For other suitable structures, for example, the dynamic iron unit 30 is circular configuration etc..The dynamic iron unit 30 is to pass through a structure Accurate pitman is transmitted to the central point of a miniature vibrating diaphragm, to generate the phonation unit of vibration and sounding.The dynamic iron The substantially closed structure of container of unit 30, it is only necessary to which the electric current of very little can drive the dynamic iron unit 30 so that described Dynamic iron unit 30 has higher sensitivity.Also, the dynamic iron unit 30 has small, area small and good high frequency The feature of effect.

The moving-coil unit 90 is generally circular in configuration, and in some other embodiments, the moving-coil unit 90 can be with For other suitable structures.The coil of the moving-coil unit 90 is connected with vibrating diaphragm, and coil drives vibrating diaphragm under signal code driving Sounding.In terms of sounding, the moving-coil unit 90 has good low frequency and middle yupin effect.By by the dynamic iron unit 30 with Moving-coil unit 90 is combined the phonation unit collectively as the TWS earphones 100, can make the tool of the TWS earphones 100 There are good low frequency, intermediate frequency and high-frequency effect.

In the utility model embodiment, there are three the dynamic iron units 30 for the TWS earphones setting.The three dynamic iron Unit 30 is contained in the groove 101.Three dynamic iron units 30 include the first dynamic iron unit, the second dynamic iron unit and the Three dynamic iron units.The TWS earphones 100 are provided with Audio Input Modules and frequency dividing circuit, the frequency dividing circuit and audio input Module connects, and the frequency dividing circuit is connect with three dynamic iron units 30 and the moving-coil unit 90 respectively.The sound Frequency input module is for receiving audio signal, for example, module receives the audio letter that external electronic device is sent by radio communication Number.Also, the audio signal is sent to the frequency dividing circuit by the Audio Input Modules.The frequency dividing circuit is by the sound High frequency section in frequency signal is respectively sent to first dynamic iron unit and second dynamic iron unit, by the audio signal In intermediate-frequency section be sent to the third dynamic iron unit, and the low frequency part in the audio signal is sent to described dynamic Coil unit 90 namely first dynamic iron unit in three dynamic iron units 30 and second dynamic iron unit are responsible for high frequency Output, third dynamic iron unit are responsible for intermediate frequency output, and the moving-coil unit 90 is responsible for low frequency output, and three dynamic iron units 30 are defeated The sound gone out is mixed and is superimposed in the channel 201 of speaking with the sound that the moving-coil unit 90 exports, so that the TWS The output response for having taken into account each frequency band, has the performance of good sound, to improve the TWS earphones 100 on full range Acoustical quality.It should be noted that the frequency dividing circuit is element in common speaker system, the frequency dividing circuit belongs to The prior art, therefore, the circuit connecting relation of the inside of the frequency dividing circuit do not repeat here.

Fig. 4-Fig. 6 is please referred to, in the utility model embodiment, the TWS earphones 100 further include：Telescopic component 40.Institute It states telescopic component 40 and is set to the first shell portion 10.The telescopic component 40 includes head rod 401, the second connecting rod 402, third connecting rod 403, sliding part 404, gear member 405, rack 406, the first elastic component 407, the second elastic component 408, One baffle 409 and second baffle 410.The first baffle 409 is used for the second baffle 410 to being located at the groove 101 The interior dynamic iron unit 30 carries out abutting limit.

Wherein, one end of the head rod 401 is inserted into from the installing port 104 in the receiving space 103, so that The head rod 401 is mounted at the first shell portion 10.Also, the head rod 401 is another End is connect with one end of first elastic component 407, and 407 other end of the first elastic component is installed on the first shell portion 10.Wherein, first elastic component 407 can be any suitable elastic element, for example, first elastic component 407 is bullet Spring, shrapnel etc..One end of the head rod 401 and second connecting rod 402 is hinged, the head rod 401 with The hinge joint of second connecting rod 402 is the first hinge joint.Also, the head rod 401 is also connect with the third One end of bar 403 is hinged, and the hinge joint of the head rod 401 and the third connecting rod 403 is the second hinge joint.Its In, first hinge joint is with second hinge joint not in same position.The middle part of the third connecting rod 403 and described the One housing section 10 is rotatablely connected.

The other end of second connecting rod 402 is hinged with the first baffle 409, and the first baffle 409 is set to The first sliding mouth.Also, the first baffle 409 can be relative to the first sliding mouth sliding.The gear member 405 is set It is placed in the receiving space 103, the gear member 405 is hanging in order to prevent, can be by connector by the gear member 405 It is fixed.Specifically, one end of the connector connects the gear member 405, the other end of the connector is fixedly mounted In the side wall of the groove 101.In some embodiments, the other end of the connector can also be fixedly installed in the first shell Body portion 10.The gear member 405 can be rotated relative to the first shell portion 10, wherein the gear member 405 can be cylinder Gear.The end face of the other end of the third connecting rod 403 is fixed in one end of the sliding part 404, and the gear member 405 is set It is equipped with sliding eye, the other end of the sliding part 404 is inserted into the sliding eye, and the sliding part 404 can be in the cunning It is slided in dynamic hole.The third connecting rod 403 is the body of rod with bending, for example, the third connecting rod 403 bends for right angle The body of rod etc., by bending, to ensure that the other end of the sliding part 404 can be inserted into the cunning of the third connecting rod 403 In dynamic hole.

The second baffle 410 is set to the second sliding mouth, and the second baffle 410 can be relative to described the Two sliding mouth slidings.The rack 406 is installed on the second baffle 410, and the rack 406 and the second baffle 410 are integrally formed.The gear member 405 is engaged with the rack 406.One end of the second baffle 410 and second bullet Property part 408 connect, 408 other end of the second elastic component is installed on the first shell portion 10.Wherein, second elastic component 408 can be any suitable elastic element, for example, second elastic component 408 is spring, shrapnel etc..

In any case (as described in replacing when dynamic iron unit 30), need to take out the dynamic iron from the groove 101 Unit 30, at this time can be by pressing one end far from first elastic component 407 of the head rod 401, to take Go out the dynamic iron unit 30.Its detailed process is：As one far from first elastic component 407 of the head rod 401 When being pressed, the head rod 401 is under pressure and moves downward at end, due to the head rod 401 and described the Two connecting rods 402 are articulated and connected so that the head rod 401 can drive second connecting rod 402 to move, also, institute It states the second connecting rod 402 to be articulated and connected with the first baffle 409, so that second connecting rod 402 drives described the One baffle 409 is moved to first direction.Specifically, the first direction movement is provided with the first sliding for the groove 101 Mouthful side wall towards the first shell portion 10 inner surface direction.Also, due to the head rod 401 and the third Connecting rod 403 is articulated and connected so that the head rod 401 drives the third connecting rod 403 to move；Due to the sliding The end face of the other end of the third connecting rod 403 is fixed in one end of part 404, and the gear member 405 is provided with sliding eye, institute The other end for stating sliding part 404 is inserted into the sliding eye so that the third connecting rod 403 drives the gear member 405；By It is engaged with the rack 406 in the gear member 405 so that the gear member 405 drives the rack 406 to move, Jin Ersuo Stating rack 406 drives the second baffle 410 to move to moving opposite second direction with first direction.Pass through the first gear Plate 409 is moved to first direction and the second baffle 410 is moved to second direction, so that the dynamic iron unit 30 can be from It is taken out in the groove 101.

It should be noted that in some other embodiments, second elastic component 408 in the telescopic component 40 can To omit, when second elastic component 408 is omitted, the second baffle 410 is installed on the first shell portion 10.

It should also be noted that, in the utility model embodiment, the bottom of the groove 101 is additionally provided with elastic portion Part, and the elastomeric element is set to the different location of the bottom of the groove 101 with the through-hole.Pass through the elastic portion Part can be while the first baffle 409 be moved to first direction and the second baffle 410 is moved to second direction, institute Dynamic iron unit 30 is stated by automatic spring, the dynamic iron unit 30 is taken without manually going, it is convenient that the dynamic iron unit 30 is carried out It replaces.The elastomeric element can be any suitable elastic element, for example, the elastomeric element is spring, shrapnel etc..And In order to increase elastic force, elastomeric element may be configured as multiple.

In the utility model embodiment, one end setting far from second connecting rod 402 of the first baffle 409 There are the first inclined-plane abutting part 4091, one end far from second elastic component 408 of the second baffle 410 to be provided with second tiltedly Face abutting part 4101.It is described to replace by the way that first inclined-plane abutting part 4091 and the second inclined-plane abutting part 4101 is arranged After dynamic iron unit 30, it is put into new dynamic iron unit.

In the utility model embodiment, the TWS earphones 100 further include sealing element, damping strainer, earphone gum cover 70 with And upper cover.

Wherein, the sealing element is set to the junction of the groove 101 and the channel 201 of speaking, described in guarantee The sound that dynamic iron unit 30 generates completely propagates to described speak in channel 201 through the through-hole.The sealing element can be Sealing ring or gasket, the sealing element can be used the good material of any leakproofness and be made, for example, the sealing element is by rubber It is made.

In some embodiments, the junction in the fixing groove 107 and the channel 201 of speaking can also be arranged described close Sealing, to ensure that the sound that the moving-coil unit 90 generates completely propagates to described speak in channel 201 through the trepanning.

The damping strainer is set to the third end in the channel 201 of speaking.On the one hand the damping strainer can For adjusting sound；On the other hand the damping strainer can be used for dust-proof, and blocking foreign matter enters the TWS earphones 100.

The earphone gum cover 70 is sheathed on the end in the second shell portion 20.The earphone gum cover 70 can be by flexible material It is made, for example, the earphone gum cover 70 is made of silica gel.On the one hand the earphone gum cover 70 can be used to ensure that leakproofness, another The aspect earphone gum cover 70 can be used for improving comfort level when user wears the TWS earphones 100.

The upper cover is covered on the first shell portion 10.Specifically, the upper cover is mounted at described first The top of housing section 10.Wherein, the upper cover can be installed on the top in the first shell portion 10 by any suitable means, For example, the modes such as threaded connection, buckle.The upper cover can shield to the TWS earphones 100.

The TWS earphones 100 further include wireless communication module, the wireless communication module be used for external electronic device into Row communication.For example, the wireless communication module is connect with mobile terminal, to realize the communication between the mobile terminal.It is described Wireless communication module can be bluetooth module, WIFI module etc..Also, the TWS earphones 100 further include touch key-press, specifically , the touch key-press is set to the outer surface in the first shell portion 10, and the touch key-press is for opening/closing the nothing Line communication module.

The dynamic iron unit 30 is combined by the TWS earphones 100 that the utility model embodiment provides with moving-coil unit 90 It is described dynamic since the dynamic iron unit 30 has good high-frequency effect collectively as the phonation unit of the TWS earphones 100 Coil unit 90 has good low frequency and middle yupin effect, so that the TWS earphones 100 has good low frequency, intermediate frequency And high-frequency effect namely the TWS earphones 100 have the performance of good sound on full range.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Under the thinking of the utility model, it can also be combined between the technical characteristic in above example or different embodiments, Step can be realized with random order, and there are many other variations of the different aspect of the utility model as described above, be Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this The those of ordinary skill in field should understand that：Its still can with technical scheme described in the above embodiments is modified, Or equivalent replacement of some of the technical features；And these modifications or replacements, do not make the sheet of corresponding technical solution Matter is detached from the range of various embodiments of the utility model technical solution.

Claims (7)

1. a kind of TWS earphones (100), which is characterized in that including：

First shell portion (10), is arranged fluted (101) and fixing groove (107), and the bottom of the groove (101) is provided with logical Trepanning is arranged in hole, fixing groove (107) bottom；

Second shell portion (20), is arranged channel (201) of speaking, and the groove (101) passes through the through-hole and the channel of speaking (201) it is connected to, the fixing groove (107) is connected to by the trepanning with the channel of speaking (201)；

Three dynamic iron units (30) are contained in the groove (101), and three dynamic iron units (30) include the first dynamic iron list Member, the second dynamic iron unit and third dynamic iron unit；

Moving-coil unit (90) is set to the fixing groove (107)；

Audio Input Modules and frequency dividing circuit, the frequency dividing circuit are connect with Audio Input Modules, and the frequency dividing circuit is also It is connect respectively with three dynamic iron units (30) and the moving-coil unit (90), the Audio Input Modules are for receiving audio Signal, and the audio signal is sent to the frequency dividing circuit, wherein the frequency dividing circuit is by the height in the audio signal Frequency is partly respectively sent to first dynamic iron unit and second dynamic iron unit, by the intermediate-frequency section in the audio signal It is sent to the third dynamic iron unit, and the low frequency part in the audio signal is sent to the moving-coil unit (90)；

Wireless communication module, the wireless communication module with external electronic device for being communicated；

Touch key-press, the touch key-press are set to the outer surface of the first shell portion (10), and the touch key-press is for opening Open/close the wireless communication module.

2. TWS earphones (100) according to claim 1, which is characterized in that the first shell portion (10) is provided with receiving Space (103) and the installing port (104) being connected to the receiving space (103), the groove (101) is by the first shell The outer surface in body portion (10) is obtained towards the receiving space (103) is recessed, and the two opposite side walls of the groove (101) set respectively The first sliding mouth and the second sliding mouth are set, mouth and the second sliding mouth are slided by the receiving space by described first (103) it is connected to the groove (101)；

The TWS earphones (100) further include telescopic component (40), are set to the first shell portion (10), described flexible group Part (40) includes head rod (401), the second connecting rod (402), third connecting rod (403), sliding part (404), gear member (405), rack (406), the first elastic component (407), the second elastic component (408), first baffle (409) and second baffle (410), The first baffle (409) is used for the second baffle (410) to being located at the dynamic iron unit in the groove (101) (30) abutting limit is carried out；

One end of the head rod (401) is inserted into from the installing port (104) in the receiving space (103), and described The other end of head rod (401) is connect with one end of first elastic component (407), and first elastic component (407) is another One end is installed on the first shell portion (10), and one end of the head rod (401) and second connecting rod (402) is cut with scissors It connects, one end of the head rod (401) and the third connecting rod (403) is hinged, in the third connecting rod (403) Portion is rotatablely connected with the first shell portion (10)；

The other end of second connecting rod (402) is hinged with the first baffle (409), first baffle (409) setting In the first sliding mouth, and the first baffle (409) can be relative to the first sliding mouth sliding；The gear member (405) it is set in the receiving space (103), and the gear member (405) can be relative to the first shell portion (10) Rotation, the end face of the other end of the third connecting rod (403), the gear member are fixed in one end of the sliding part (404) (405) it is provided with sliding eye, the other end of the sliding part (404) is inserted into the sliding eye, and the sliding part (404) It can be slided in the sliding eye；

The second baffle (410) is set to the second sliding mouth, and the second baffle (410) can be relative to described the Two sliding mouth slidings, the rack (406) are installed on the second baffle (410), and the gear member (405) and the rack (406) it is engaged, one end of the second baffle (410) is connect with second elastic component (408), second elastic component (408) other end is installed on the first shell portion (10).

3. TWS earphones (100) according to claim 2, which is characterized in that the separate institute of the head rod (401) When stating one end of the first elastic component (407) and being pressed, the head rod (401) drives the second connecting rod (402) fortune Dynamic, second connecting rod (402) drives the first baffle (409) to be moved to first direction, also, the head rod (401) third connecting rod (403) movement is driven, the third connecting rod (403) drives the gear member (405), described Gear member (405) drives the rack (406) movement, the rack (406) drive the second baffle (410) to first party It is moved to the second direction for moving opposite.

4. TWS earphones (100) according to claim 1, which is characterized in that the TWS earphones (100) further include sealing Part, the sealing element are set to the junction of the groove (101) and the channel of speaking (201).

5. TWS earphones (100) according to claim 1, which is characterized in that sound is provided in the second shell portion (20) Hole, the channel of speaking (201) are provided with first end, the second end and third end；

The through-hole of the groove (101) is aligned with the first end of the channel of speaking (201), and fixing groove (107) are opened It speaks described in hole the second end alignment in channel (201), the third end of the channel of speaking (201) and the sound outlet hole pair Together, so that the sound that generates of the dynamic iron unit (30) propagates to the channel (201) and described dynamic of speaking through the through-hole The sound that coil unit (90) generates propagates to the channel (201) of speaking through the trepanning, and is worn from the channel of speaking (201) Cross the sound outlet hole.

6. TWS earphones (100) according to claim 5, which is characterized in that the TWS earphones (100) further include damping filter Net (60), the damping strainer (60) are set to the third end in the channel (201) of speaking.

7. according to claim 1-6 any one of them TWS earphones (100), which is characterized in that the dynamic iron unit (30) is side Shape structure or circular configuration.