CN207491206U - A kind of Microspeaker with linear vibrating structure - Google Patents

Abstract

The utility model discloses a kind of Microspeakers with linear vibrating structure, including speaker frame, magnetic conduction chamber, vibrational structure and magnetic structure, the side of the speaker frame is connected with magnetic conduction chamber, the side of the magnetic conduction chamber is connected with external magnetic circuit, the external magnetic circuit is equipped with permanent magnet, the top of the permanent magnet is equipped with dust cap, and one end of the magnetic conduction chamber is connected by centering ring with permanent magnet, and the magnetic conduction chamber includes vibrational structure and magnetic structure.The structure design of the utility model is reasonable, vibrational structure is mainly made of the first bulge loop, the second bulge loop and drum paper three parts, and the first bulge loop and the second bulge loop are both connected on bulging paper, drum paper is connected by way of stickup with voice coil, when in voice coil by alternation tone currents, the magnetic field interaction that is generated in voice coil and magnetic structure, generate vibration, and then drum paper vibration is driven, so as to generate linear sound wave, improve the sound quality that loud speaker is sent out.

Description

A kind of Microspeaker with linear vibrating structure

Technical field

The utility model is related to loud speaker field, specifically a kind of Microspeaker with linear vibrating structure.

Background technology

Microspeaker is a kind of important acoustical device in portable electronic terminal, for sound wave electric signal to be converted to Sound is spread out of, and is a kind of energy transducer.As microelectronic device develops rapidly, to being set to the ruler of internal Microspeaker Very little requirement also increasingly improves, Microspeaker must in company with the minimizing of microelectronic device, lightening main trend, reduce its from The size of body.

But the vibrational structure resonant frequency in existing Microspeaker is relatively low, and the sound quality that loud speaker is sent out is caused to become Difference, practical function are bad.

Utility model content

The purpose of this utility model is to provide a kind of Microspeakers with linear vibrating structure, existing micro- to solve Vibrational structure resonant frequency in type loud speaker is relatively low, the both poor sound quality that loud speaker is caused to send out, practical function problem of poor.

To achieve the above object, the utility model provides following technical solution：It is a kind of miniature with linear vibrating structure Loud speaker, including speaker frame, magnetic conduction chamber, vibrational structure and magnetic structure, the side of the speaker frame, which is connected with, leads Magnetic cavity, the side of the magnetic conduction chamber are connected with external magnetic circuit, and the external magnetic circuit is equipped with permanent magnet, and the top of the permanent magnet is equipped with Dust cap, one end of the magnetic conduction chamber are connected by centering ring with permanent magnet, and the magnetic conduction chamber includes vibrational structure and magnetic circuit Structure, the vibrational structure are formed by rousing paper, the first bulge loop and the second bulge loop three parts, and first bulge loop and the second bulge loop are equal It is located on bulging paper, the side of the vibrational structure is connected with voice coil, and the magnetic structure is by interior washer, magnetic conductor bowl and magnetizer three Part forms, and the interior washer is connected with magnetic conductor bowl, and the magnetic conductor bowl is connected with magnetizer.

Preferably, metal edges are connected between first bulge loop and the second bulge loop, the metal edges are bending-like.

Preferably, the stickup between the voice coil and drum paper connects.

Preferably, the voice coil is cyclic structure.

Preferably, a whole installation between the interior washer, magnetic conductor bowl and magnetizer.

Preferably, the side of the speaker frame is equipped with pressing plate side.

Compared with prior art, the beneficial effects of the utility model are：The structure design of the utility model is reasonable, vibrational structure Mainly it is made of, and the first bulge loop and the second bulge loop are both connected on bulging paper the first bulge loop, the second bulge loop and drum paper three parts, Drum paper is connected by way of stickup with voice coil, and when in voice coil by alternation tone currents, voice coil in magnetic structure with producing Raw magnetic field interaction generates vibration, and then drives drum paper vibration, so as to generate linear sound wave, improves what loud speaker was sent out Sound quality；Metal edges are connected between the first bulge loop and the second bulge loop, metal edges are copper wire, and copper wire is bending-like, are had certain Elastic resilience, there is good invigoration effect, but also the vibration of bulging paper can be weakened to the avris of vibrational structure, carry High practical function.

Description of the drawings

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the structure diagram of the utility model magnetic conduction chamber.

Fig. 3 is the structure diagram of the utility model vibrational structure.

In figure：1- speaker frames, 2- dust caps, 3- permanent magnets, 4- external magnetic circuits, 5- centering rings, 6- magnetic conductions chamber, 7- pressing plates In, 8- vibrational structures, 9- voice coils, 10- positioning, washer in the first bulge loops of 11-, the second bulge loops of 12-, 13-, 14- magnetic conductor bowls, 15- drums paper, 16- magnetizers, 17- magnetic structures, 18- metal edges.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

Please refer to Fig.1~3, in the utility model embodiment, a kind of Microspeaker with linear vibrating structure, including Speaker frame 1, magnetic conduction chamber 6, vibrational structure 8 and magnetic structure 17, the side of speaker frame 1 are connected with magnetic conduction chamber 6, magnetic conduction The side of chamber 6 is connected with external magnetic circuit 4, and external magnetic circuit 4 is equipped with permanent magnet 3, and the top of permanent magnet 3 is equipped with dust cap 2, magnetic conduction chamber 6 One end be connected by centering ring 5 with permanent magnet 3, magnetic conduction chamber 6 include vibrational structure 8 and magnetic structure 17, vibrational structure 8 by Drum paper 15, the first bulge loop 11 and 12 three parts of the second bulge loop composition, the first bulge loop 11 and the second bulge loop 12 are each provided on bulging paper 15, The side of vibrational structure 8 is connected with voice coil 9, and magnetic structure 17 is made of interior washer 13, magnetic conductor bowl 14 and 16 three parts of magnetizer, Interior washer 13 is connected with magnetic conductor bowl 14, and magnetic conductor bowl 14 is connected with magnetizer 16, in use, magnetic structure 17 can be around Magnetic field is generated, voice coil 9 is cyclic structure, in the magnetic field that magnetic structure 17 generates, when alternation tone currents passes through on voice coil 9 When, voice coil 9 is generated with alternation tone currents changing magnetic field, and then the magnetic field interaction with being generated in magnetic field structure 17, is made It obtains voice coil 9 to vibrate, voice coil 9 is connected by way of stickup with the drum paper 15 on vibrational structure 8, so as to drive bulging paper 15 Vibration generates sound wave, is connected with metal edges 18 between the first bulge loop 11 and the second bulge loop 12, and metal edges 18 are bending-like, voice coil 9 Stickup between drum paper 15 is connect, and voice coil 9 is cyclic structure, and one is whole between interior washer 13, magnetic conductor bowl 14 and magnetizer 16 Setting.

The operation principle of the utility model is：In use, magnetic structure 17 can generate magnetic field around, voice coil 9 is ring Shape structure, in the magnetic field that magnetic structure 17 generates, when alternation tone currents is by voice coil 9, voice coil 9 is generated with alternation Tone currents changing magnetic field, and then the magnetic field interaction with being generated in magnetic field structure 17 so that voice coil 9 vibrates, sound Circle 9 is connected by way of stickup with the drum paper 15 on vibrational structure 8, so as to which bulging paper 15 be driven to vibrate, generation sound wave, the Metal edges 18 are connected between one bulge loop 11 and the second bulge loop 12, metal edges 18 are copper wire, and copper wire is bending-like, are had centainly Elastic resilience has good invigoration effect, but also can weaken the vibration of bulging paper 15 to the avris of vibrational structure 8.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (6)

1. a kind of Microspeaker with linear vibrating structure, including speaker frame (1), magnetic conduction chamber (6), vibrational structure (8) and magnetic structure (17), it is characterised in that：The side of the speaker frame (1) is connected with magnetic conduction chamber (6), the magnetic conduction The side of chamber (6) is connected with external magnetic circuit (4), and the external magnetic circuit (4) is equipped with permanent magnet (3), and the top of the permanent magnet (3) is set There is dust cap (2), one end of the magnetic conduction chamber (6) is connected by centering ring (5) with permanent magnet (3), magnetic conduction chamber (6) packet Vibrational structure (8) and magnetic structure (17) are included, the vibrational structure (8) is by drum paper (15), the first bulge loop (11) and the second bulge loop (12) three parts form, and first bulge loop (11) and the second bulge loop (12) are each provided on bulging paper (15), the vibrational structure (8) Side be connected with voice coil (9), the magnetic structure (17) is by interior washer (13), magnetic conductor bowl (14) and magnetizer (16) three parts Composition, the interior washer (13) are connected with magnetic conductor bowl (14), and the magnetic conductor bowl (14) is connected with magnetizer (16).

2. a kind of Microspeaker with linear vibrating structure according to claim 1, it is characterised in that：Described first Metal edges (18) are connected between bulge loop (11) and the second bulge loop (12), the metal edges (18) are bending-like.

3. a kind of Microspeaker with linear vibrating structure according to claim 1, it is characterised in that：The voice coil (9) stickup between drum paper (15) is connect.

4. a kind of Microspeaker with linear vibrating structure according to claim 1, it is characterised in that：The voice coil (9) it is cyclic structure.

5. a kind of Microspeaker with linear vibrating structure according to claim 1, it is characterised in that：The interior China A whole installation between department (13), magnetic conductor bowl (14) and magnetizer (16).

6. a kind of Microspeaker with linear vibrating structure according to claim 1, it is characterised in that：It is described to raise one's voice The side of device frame (1) is equipped with pressing plate side (7).