CN206524965U

CN206524965U - Microphone device

Info

Publication number: CN206524965U
Application number: CN201720098375.5U
Authority: CN
Inventors: 吴树文
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2017-01-22
Filing date: 2017-01-22
Publication date: 2017-09-26
Anticipated expiration: 2027-01-22

Abstract

The utility model discloses a kind of microphone device, including frame, the weld part that is fixed on the FPC of the frame, is fixedly supported to the train wheel bridge of the frame and is fixed on the close train wheel bridge side of the FPC.The weld part and the FPC mutually insulateds, the train wheel bridge are stacked at the FPC, and the weld part is welded and fixed with the train wheel bridge.Compared with correlation technique, microphone device reliability of the present utility model is high.

Description

Microphone device

Technical field

The utility model is related to microphone device, more particularly to a kind of microphone device for applying to portable type electronic product.

Background technology

During the portable equipments such as mobile phone are fast-developing, people are more and more stronger to the Functional Requirement of product, For this function of the Music Appreciation of mobile phone, in order that entertainment effect is stronger, the pattern of music belt vibration is occurred in that, by This, the development of microphone device is also accordingly accelerated.

The microphone device of correlation technique includes frame and is fixed on the FPC (Flexible of the frame Printed Circuit, FPC), pass through the voice coil line inside the FPC extractions microphone device to external power source.

However, in the microphone device of correlation technique, the FPC is directly is bonded in the frame by glue, due to dress Put the limitation of technique, the glue of selection can not heatproof reach more than 300 DEG C, when the microphone device applies to loudspeaker enclosure, Need the FPC being welded in the housing of the loudspeaker enclosure, during welding because the FPC when temperature it is too high to 300 DEG C when, institute The glue failure between FPC and frame is stated, so as to cause the FPC to be separated with frame, the reliability of the microphone device is influenceed.

Therefore, it is necessary to which providing a kind of new microphone device solves above-mentioned technical problem.

Utility model content

The purpose of this utility model is to overcome above-mentioned technical problem there is provided a kind of high microphone device of reliability.

The utility model provides a kind of microphone device, including frame and the FPC and the magnetic circuit system that are fixedly supported to the frame System, the magnetic circuit system includes the train wheel bridge for magnetic conduction for being fixedly supported to the frame, and the microphone device also includes solid Due to the weld part of the close train wheel bridge side of the FPC, the weld part and the FPC mutually insulateds, the upper folder Plate is stacked at the FPC, and the weld part is welded and fixed with the train wheel bridge.

It is preferred that, the train wheel bridge is overlapped to the orthographic projection at least a portion in the FPC directions with the weld part.

It is preferred that, the weld part is completely covered in the orthographic projection in the train wheel bridge to the FPC directions.

It is preferred that, the weld part is steel disc.

It is preferred that, the train wheel bridge is welded and fixed with the weld part by laser spot welding mode.

It is preferred that, the weld part includes at least two and spaced is fixed on the FPC.

It is preferred that, the frame includes main frame and the supporting table extended from the main frame to its geometric center direction, The train wheel bridge is fixedly supported to the supporting table.

It is preferred that, the supporting table is provided with locating dowel, and the train wheel bridge is provided with the positioning hole coordinated with the locating dowel, The positioning hole is sheathed on the locating dowel.

It is preferred that, the train wheel bridge is injection moulding integrated molding with the frame.

Compared with prior art, the microphone device that the utility model is provided is fixedly installed what is be insulated from the FPC Weld part, while setting support to be fixed on the train wheel bridge of the frame, is welded and fixed by the train wheel bridge with the weld part So that the FPC is fixed on the frame, the FPC is set to be welded in described raise one's voice when the microphone device applies to loudspeaker enclosure During device case, when the welding temperature of the FPC reaches 300 DEG C, the FPC will not also depart from the frame, so that Obtaining the reliability of the microphone device greatly strengthens.

Brief description of the drawings

Fig. 1 for the part isometric structural representation of the utility model microphone device, (with magnetic circuit system do not scheme by vibrational system Show)；

Fig. 2 is Fig. 1 part-structure exploded view.

Embodiment

Below in conjunction with drawings and embodiments, the utility model is described in further detail.

Fig. 1-2 is referred to, the utility model provides a kind of microphone device 100, including frame 1, vibrational system (not shown) With magnetic circuit system (not shown), the FPC 2 of the frame 1 is fixed on, the train wheel bridge 3 of the frame 1 is fixedly supported to and fixes Weld part 4 in the close side of train wheel bridge 3 of the FPC 2.Wherein, the train wheel bridge 3 leading for the magnetic circuit system Magnetic part, for magnetic conduction.

The frame 1 includes main frame 11 and the supporting table 12 extended from the main frame 11 to its geometric center direction, The train wheel bridge 3 is fixedly supported to the supporting table 12.Specifically, the supporting table 12 is provided with locating dowel 121, the upper folder Plate 3 is provided with the positioning hole 31 coordinated with the locating dowel 121, and the positioning hole 31 is sheathed on the locating dowel 121, so that The train wheel bridge 3 is fixedly supported to the frame 1.The setting of said structure so that the train wheel bridge 3 and the knot of the frame 1 Right stronger, stability is higher.

The weld part 4 and the mutually insulateds of FPC 2, the train wheel bridge 3 are stacked at the FPC 2, the weld part 4 It is welded and fixed with the train wheel bridge 3.

The vibrational system and the magnetic circuit system are individually fixed in frame 1, are the vibrational system by the FPC 2 Power supply is introduced, makes vibrational system and the magnetic circuit system collective effect, so as to drive the vibrational system vibration sounding.

The train wheel bridge 3 is injection moulding integrated molding with the frame 1.Welded by the train wheel bridge 3 with the weld part 4 Fixed mode realizes being fixedly connected for the frame 1 and the FPC 2.

Specifically, in present embodiment, the weld part 4 is steel disc, and it includes at least two and spaced is fixed on The FPC 2, the train wheel bridge 3 is welded and fixed with the weld part 4 by laser spot welding mode.Certainly, the weld part 4 Quantity is not limited to this.Said structure realizes train wheel bridge 3 by the weld part 4 and the multi-spot welding structure of the FPC 2, The multi-spot welding structure of the frame 1 and the FPC 2 is realized, the strength and stability of the two combination is strengthened.

In order that the FPC 2 is combined more stable with the frame 1, in present embodiment, the train wheel bridge 3 is to described The orthographic projection at least a portion in FPC directions is overlapped with the weld part, i.e. at least a portion orthographic projection falls into the weld part 4, It is welded and fixed so as to may be such that the weld part 4 is more convenient with the train wheel bridge 3.More excellent, the train wheel bridge 3 is to the FPC The weld part 4 is completely covered in the orthographic projection in 2 directions.

Said structure causes the microphone device 100 applying to loudspeaker enclosure, and the FPC 2 is welded in into described raise one's voice During device case, welding high temperature can't be such that the FPC 2 departs from the frame 1, therefore not interfere with the microphone device 100 The stability of acoustical behavior.

Compared with prior art, the microphone device that the utility model is provided is fixedly installed what is be insulated from the FPC Weld part, while making support be fixed on the train wheel bridge of the frame, being welded and fixed by the train wheel bridge with the weld part makes Obtain the FPC and be fixed on the frame, the FPC is welded in the loudspeaker when the microphone device applies to loudspeaker enclosure During case, when the welding temperature of the FPC reaches 300 DEG C, the FPC will not also depart from the frame, so that The reliability of the microphone device greatly strengthens.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims

1. a kind of microphone device, including frame and the FPC and magnetic circuit system that are fixedly supported to the frame, it is characterised in that institute The train wheel bridge for magnetic conduction that magnetic circuit system includes being fixedly supported to the frame is stated, the microphone device also includes being fixed on institute The weld part of the FPC close train wheel bridge side, the weld part and the FPC mutually insulateds are stated, the train wheel bridge is folded to be set In the FPC, the weld part is welded and fixed with the train wheel bridge.

2. microphone device according to claim 1, it is characterised in that orthographic projection from the train wheel bridge to the FPC directions At least a portion is overlapped with the weld part.

3. microphone device according to claim 2, it is characterised in that orthographic projection from the train wheel bridge to the FPC directions The weld part is completely covered.

4. microphone device according to claim 1, it is characterised in that the weld part is steel disc.

5. microphone device according to claim 4, it is characterised in that the train wheel bridge passes through laser spots with the weld part Weldering mode is welded and fixed.

6. microphone device according to claim 5, it is characterised in that the weld part includes at least two and spaced It is fixed on the FPC.

7. microphone device according to claim 1, it is characterised in that the frame includes main frame and by the main frame The supporting table extended to its geometric center direction, the train wheel bridge is fixedly supported to the supporting table.

8. microphone device according to claim 7, it is characterised in that the supporting table is provided with locating dowel, the upper folder Plate is provided with the positioning hole coordinated with the locating dowel, and the positioning hole is sheathed on the locating dowel.

9. microphone device according to claim 8, it is characterised in that the train wheel bridge and the frame be integrated through injection molding into Type.