CN207075089U

CN207075089U - Loudspeaker

Info

Publication number: CN207075089U
Application number: CN201720811981.7U
Authority: CN
Inventors: 张帆
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2017-07-06
Filing date: 2017-07-06
Publication date: 2018-03-06
Anticipated expiration: 2027-07-06

Abstract

The utility model provides a kind of loudspeaker, including frame, be individually fixed in the frame vibrating diaphragm and magnetic circuit system, the voice coil loudspeaker voice coil of the driving diaphragm oscillations, the FPC that is electrically connected with the voice coil loudspeaker voice coil and be fixed on the frame and the conductive base pin electrically connected with the FPC；The conductive base pin includes being embedded at the weld tabs portion of the frame, set from the weld tabs portion to the kink of frame outside extension and the pin part extended by the kink, the pin part with weld tabs portion face；The FPC includes the Conducting end portions for being supported in the main part of frame and being extended by the main part, and the voice coil loudspeaker voice coil is electrically connected to the main part, and the Conducting end portions are covered on the weld tabs portion and form fixed electrical connection.Compared with correlation technique, speaker volume utilization rate of the present utility model is high, and acoustical behavior is more excellent.

Description

Loudspeaker

【Technical field】

Acoustic-electric field is the utility model is related to, more particularly to a kind of loudspeaker for applying to portable type electronic product.

【Background technology】

With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.At present, the function of mobile phone is extremely various, and one of them is just The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it In.

The loudspeaker of correlation technique is including described in frame, the vibrating diaphragm and magnetic circuit system, driving that are fixed on the frame The voice coil loudspeaker voice coil of diaphragm oscillations, the FPC that the voice coil loudspeaker voice coil is conducted to outside the frame and fix the conduction that electrically connects with the FPC and insert Pin.

However, in the loudspeaker of correlation technique, the connection of the conductive base pin and the FPC needs additionally by weld tabs to enter Row welding, the structure occupy the portion of the frame, so that the space in frame reduces, and then cause magnetic circuit system System size reduction, influence the acoustical behavior of the loudspeaker.

Therefore, a kind of new loudspeaker must be provided by, which having in fact, solves above-mentioned technical problem.

【Utility model content】

The purpose of this utility model is to provide a kind of acoustical behavior good loudspeaker.

In order to achieve the above object, the utility model provides a kind of loudspeaker, including frame, is individually fixed in the basin The vibrating diaphragm and magnetic circuit system of frame, the voice coil loudspeaker voice coil of the driving diaphragm oscillations, the FPC that is electrically connected with the voice coil loudspeaker voice coil and described in being fixed on Frame and the conductive base pin electrically connected with the FPC；The conductive base pin includes being embedded at the weld tabs portion of the frame, by described Weld tabs portion to the kink of extension on the outside of the frame and the pin part extended by the kink, the pin part with it is described Weld tabs portion face is set；The FPC includes the Conducting end portions for being supported in the main part of frame and being extended by the main part, described Voice coil loudspeaker voice coil is electrically connected to the main part, and the Conducting end portions are covered on the weld tabs portion and form fixed electrical connection.

Preferably, the Conducting end portions include two and spaced insulation set, are respectively used to the voice coil loudspeaker voice coil just The electrical connection of extreme and negative pole end；The conductive base pin includes two and is embedded at the opposite end of the frame, two institutes respectively Weld tabs portion fixation of the Conducting end portions respectively with two conductive base pins is stated to electrically connect.

Preferably, the Conducting end portions form fixed electrically connect with the weld tabs portion by spot welding mode.

Preferably, the conductive base pin is integrated injection molding with the frame.

Preferably, the weld tabs portion includes dew located at the frame outer surface and is electrically connected with what the Conducting end portions electrically connected Socket part.

Preferably, the weld tabs portion includes connecting the fixed part of the kink and the electrical connection section, the fixed part It is embedded in the frame.

Preferably, the pin part includes flat extension, and from the extension end towards away from described curved The arc-shaped conductive film of folding part direction extension, direction projection of the arc-shaped conductive film towards the remote weld tabs portion.

Compared with correlation technique, in loudspeaker of the present utility model, the conductive base pin include weld tabs portion, kink and Pin part, the pin part is set with weld tabs portion face by the kink, and weld tabs portion injection is embedded In in the frame, while the Conducting end portions of the FPC is covered on the weld tabs portion and form electrical connection, the structure causes described Conducting end portions, the weld tabs portion and the pin part location overlap so that saved when the conductive base pin welds with the FPC empty Between, i.e., the space availability ratio of described frame improves, so that the size increase of the magnetic circuit system, improves the loudspeaker Acoustical behavior.

【Brief description of the drawings】

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Other accompanying drawings are obtained, wherein：

Fig. 1 is the part isometric structural decomposition diagram of the utility model loudspeaker；

Fig. 2 is the part isometric structural representation of the utility model loudspeaker；

Fig. 3 is the conductive base pin structural representation of the utility model loudspeaker.

【Embodiment】

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.

Please refer to Fig. 1-3, wherein, Fig. 1 is the part isometric structural decomposition diagram of the utility model loudspeaker；Figure 2 be the part isometric structural representation of the utility model loudspeaker；Fig. 3 is that the conductive base pin structure of the utility model loudspeaker is shown It is intended to.The utility model provides a kind of loudspeaker 100, including frame 1, vibrating diaphragm 2, magnetic circuit system 3, voice coil loudspeaker voice coil 4, FPC 5 and leads Electrical prongs 6.

The vibrating diaphragm 2 and magnetic circuit system 3 are individually fixed in the frame 1, and the voice coil loudspeaker voice coil 4 is fixed on the vibrating diaphragm 2, passed through The magnetic circuit system 3 drives the vibration sounding of vibrating diaphragm 2 with magnetic fields caused by the voice coil loudspeaker voice coil 4.

The sides of FPC 5 are supported in the frame 1, and opposite side supports and is electrically connected to the voice coil loudspeaker voice coil 4.Specifically, institute State the Conducting end portions 52 that FPC 5 includes being supported in the main part 51 of the frame 1 and by the main part 51 being extended.

The main part 51 is fixed on the side of the close magnetic circuit system 3 of the voice coil loudspeaker voice coil 4 and forms electrical connection.It is described Conducting end portions 52 are used to export the positive terminal of the lead of the voice coil loudspeaker voice coil 4 and negative pole end.

That is, the one side of FPC 5 electrically connects with the voice coil loudspeaker voice coil 4, by the positive terminal of the lead of the voice coil loudspeaker voice coil 4 and Negative pole end is drawn, and is prevented the lead of the voice coil loudspeaker voice coil 4 from breaking and influenceing the reliability of the loudspeaker 100, can is on the other hand institute The up-down vibration for stating voice coil loudspeaker voice coil 4 provides support restoring force, improves the vibration force of the vibrating diaphragm 2, improves acoustical behavior.

More excellent, in present embodiment, the Conducting end portions 52 include two and spaced insulation set, are respectively used to Electrically connected with the positive terminal and negative pole end of the lead of the voice coil loudspeaker voice coil 4.

The conductive base pin 6 is fixed on the frame and electrically connected with the FPC 5, for turning on external power source.Specifically , the conductive base pin 6 is integrated injection molding with the frame 1.

Specifically, the conductive base pin 6 includes being embedded at the weld tabs portion 61 of the frame 1, from the weld tabs portion 61 to institute The pin part 63 stated the kink 62 of the outside of frame 1 extension and extended by the kink 62.Pass through the kink 62 Set so that the weld tabs portion 61 forms face with the pin part 63, interval is folded to be set.

In present embodiment, the Conducting end portions 52 are covered on the weld tabs portion 61 and form fixed electrical connection.It is i.e. described Conducting end portions 52 form to fold with the weld tabs portion 61 sets structure, improves space availability ratio.

Specifically, the weld tabs portion 61 includes electrical connection section 611 and fixed part 612.The dew of electrical connection section 611 is located at institute State the outer surface of frame 1 and electrically connected with the Conducting end portions 52；The fixed part 612 connects the kink 62 and is electrically connected with described Socket part 611, the fixed part 612 are embedded in the frame 1.

More excellent, the conductive base pin 6 includes two and is embedded at the opposite end of the frame 1 respectively, is respectively used to Connect the positive pole and negative pole of external power source.Two Conducting end portions 52 weld tabs with two conductive base pins 6 respectively Electrical connection is fixed in portion 61.

In present embodiment, the Conducting end portions 52 and the weld tabs portion 61 by spot welding mode formed it is fixed electrically connect, Namely the Conducting end portions 52 form fixed electrically connect with the electrical connection section 611 by spot welding mode.

The pin part 63 includes flat extension 631, and from the end of extension 631 towards away from described curved The arc-shaped conductive film 632 of the direction of folding part 62 extension, direction projection of the arc-shaped conductive film 632 towards the remote weld tabs portion 61.

Compared with correlation technique, in loudspeaker of the present utility model, the conductive base pin include weld tabs portion, kink and Pin part, the pin part is set with weld tabs portion face by the kink, and weld tabs portion injection is embedded In in the frame, while the Conducting end portions of the FPC is covered on the weld tabs portion and form electrical connection, the structure causes described Conducting end portions, the weld tabs portion and the pin part location overlap so that saved when the conductive base pin welds with the FPC empty Between, i.e., the space availability ratio of described frame improves, so that the size increase of the magnetic circuit system, improves the loudspeaker Acoustics.

Above-described is only embodiment of the present utility model, it should be noted here that the ordinary skill for this area For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality New protection domain.

Claims

1. a kind of loudspeaker, including frame, the vibrating diaphragm and magnetic circuit system, the driving diaphragm oscillations that are individually fixed in the frame Voice coil loudspeaker voice coil, the FPC that is electrically connected with the voice coil loudspeaker voice coil and be fixed on the frame and the conductive base pin electrically connected with the FPC, its It is characterised by, the conductive base pin includes being embedded at the weld tabs portion of the frame, prolonged from the weld tabs portion to frame outside The kink stretched and the pin part extended by the kink, the pin part are set with weld tabs portion face, the FPC Including the Conducting end portions for being supported in the main part of frame and being extended by the main part, the voice coil loudspeaker voice coil is electrically connected to the main body Portion, the Conducting end portions are covered on the weld tabs portion and form fixed electrical connection.

2. loudspeaker according to claim 1, it is characterised in that the Conducting end portions include two and spaced insulation Set, be respectively used to electrically connect with the positive terminal of the voice coil loudspeaker voice coil and negative pole end；The conductive base pin includes two and is embedded respectively In the opposite end of the frame, two Conducting end portions fix electricity with the weld tabs portion of two conductive base pins respectively Connection.

3. loudspeaker according to claim 2, it is characterised in that the Conducting end portions pass through spot welding side with the weld tabs portion Formula forms fixed electrical connection.

4. loudspeaker according to claim 1, it is characterised in that the conductive base pin is integrated with the frame and is molded into Type.

5. loudspeaker according to claim 1, it is characterised in that the weld tabs portion includes dew and is located at the frame outer surface And the electrical connection section electrically connected with the main part.

6. loudspeaker according to claim 5, it is characterised in that the weld tabs portion include connecting the kink with it is described The fixed part of electrical connection section, the fixed part are embedded in the frame.

7. loudspeaker according to claim 1, it is characterised in that the pin part includes flat extension, and From the extension end towards the arc-shaped conductive film away from kink direction extension, the arc-shaped conductive film is towards away from described The direction projection in weld tabs portion.