CN208924478U

CN208924478U - Microphone device

Info

Publication number: CN208924478U
Application number: CN201821304605.XU
Authority: CN
Inventors: 冯岱
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2019-05-31
Anticipated expiration: 2028-08-14

Abstract

The utility model discloses a kind of microphone device comprising frame, vibrational system, magnetic circuit system, pad and flexible circuit board；The vibrational system includes vibrating diaphragm and voice coil, and the pad is electrically connected to the voice coil；The magnetic circuit system includes lower clamp plate, the flexible circuit board is attached at the lower clamp plate, the flexible circuit board include be sticked be fixed on the main part of the lower clamp plate, extension that the lower clamp plate periphery is run parallel to from the main part, the pin extended from the extension to pad direction bending and from the main part to far from the frame direction extend for connecting the interconnecting piece of external electric signal；The pin is vertically inserted in the pad and forms fixed electrical connection.Compared with the relevant technologies, the external structure of the microphone device of the utility model is compact and easy to use.

Description

Microphone device

[technical field]

The utility model relates to electroacoustic conversion art more particularly to a kind of acoustical generators for applying to portable electronic product Part.

[background technique]

With the arrival of mobile internet era, 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.Currently, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now Among.

The microphone device of the relevant technologies includes frame and the magnetic circuit system for being fixed on the frame and vibrational system, consolidates Pad set on the frame and the flexible circuit board FPC by being fixedly welded on the pad, the magnetic circuit system include It is fixedly arranged on the frame and the side far from the vibrational system lower clamp plate, the pad is set on the outside of the lower clamp plate And be arranged in parallel with the lower clamp plate, the flexible circuit board FPC includes being set to the weld part of the lower clamp plate and by described Weld part extends to the extension extended far from frame direction, the weld part bending overturning camber and is connected to the weldering Disk.

However, the weld part bending overturning camber extends and is connected to the weldering in the microphone device of the relevant technologies Disk.To avoid bending after welding from being broken, at least to increase 1mm width outside welding region for bending, cause wasting space；Institute The part for stating weld part bending when in use, is easy to be caused to be broken by the extruding of other devices, and the microphone device is caused to exist The positional relationship of additional attention Yu other devices is needed on, use is extremely inconvenient.

Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.

[utility model content]

The purpose of the utility model is to overcome above-mentioned technical problem, provide that a kind of external structure is compact and wieldy hair Acoustic device.

To achieve the goals above, the utility model provides a kind of microphone device comprising frame is fixed on the frame Vibrational system and the driving vibrational system vibration sounding magnetic circuit system, be set to the frame pad and with it is described The flexible circuit board that pad is fixed and is electrically connected；The vibrational system includes being fixed on the vibrating diaphragm of frame and the vibrating diaphragm being driven to shake Dynamic voice coil, the pad are electrically connected to the voice coil；The magnetic circuit system includes being fixedly arranged on the frame far from the vibration The lower clamp plate of the side of system, the flexible circuit board is attached at the lower clamp plate and for connecting with external electric signal, special Sign is that the flexible circuit board includes being sticked be fixed on the main part of the lower clamp plate, run parallel to by the main part The extension of the lower clamp plate periphery bends the pin extended from the extension to the pad direction and by the main body The interconnecting piece for being used to connect external electric signal that portion extends to the separate frame direction；The pin is vertically inserted in the weldering Disk simultaneously forms fixed electrical connection.

Preferably, the pin is vertically arranged with the extension.

Preferably, the pad includes disk body and is recessed the receiving formed from the disk body to the direction of the vibrational system Slot, the pin include the first segment extended by extension bending and extended by the first segment and with the container The second segment matched；The second segment is inserted into the container and forms fixed be electrically connected with the disk body.

Preferably, the frame includes two the first side walls being oppositely arranged and two second sidewalls being oppositely arranged, institute The length for stating the first side wall is greater than the length of the second sidewall and surrounds the frame jointly, and the pad is including two, two A pad is respectively arranged at the opposite end of one of them second sidewall；The extension include two and respectively by The main part extends to form, and the pin includes two and extended to form respectively by two extensions, and two described slotting Foot is inserted in two pads respectively and forms fixed electrical connection.

Compared with prior art, the main part of the flexible circuit board is sticked by the microphone device of the utility model It is fixed on the lower clamp plate, and the pin of the flexible circuit board is vertically inserted in the pad.The structure avoids institute It states pin and increases width for being fixed on the pad after bending, to keep the microphone device external structure compact and be easy to make With.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the schematic perspective view of the utility model microphone device；

Fig. 2 is the part isometric structural exploded view of the utility model microphone device.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-2, the utility model provides a kind of microphone device 100 comprising frame 1, vibrational system 2, Magnetic circuit system 3, pad 4 and flexible circuit board 5.

The frame 1 is for fixing the vibrational system 2, the magnetic circuit system 3 and the pad 4.Present embodiment In, the frame 1 is in rectangular configuration, and the frame 1 includes two the first side walls 11 being oppositely arranged and two be oppositely arranged Second sidewall 12, the length of the first side wall 11 are greater than the length of the second sidewall 12 and surround the frame 1 jointly.

The vibrational system 2 is fixed on the frame 1.The vibrational system 2 includes the vibrating diaphragm 21 for being fixedly arranged on the frame 1 With the voice coil 22 for driving 21 vibration sounding of vibrating diaphragm.The voice coil 22 is electrically connected to the pad 4.

The magnetic circuit system 3 is fixed in the frame 1.The magnetic circuit system 3 drives the vibration of vibrational system 2 hair Sound.The magnetic circuit system 3 includes the lower clamp plate 31 for being fixedly arranged on side of the frame 1 far from the vibrational system 2.

The pad 4 is set to the frame 1.The pad 4 is electrically connected to the voice coil 22.In the present embodiment, The pad 4 includes two, and two pads 4 are respectively arranged at the opposite end of one of them second sidewall 12.It should Two pads 4 are respectively electrically connected to positive terminal and the consequent pole end of the voice coil 22.

The pad 4 includes disk body 41 and is recessed the receiving formed from the disk body 41 to the direction of the vibrational system 2 Slot 42.The disk body 41 with the flexible circuit board 5 for being welded and fixed.The container 42 is used for the flexible circuit The insertion of plate 5 is fixed, and the layout for the specification flexible circuit board 5 positions.

The flexible circuit board 5 is fixed with the pad 4 and is electrically connected.The flexible circuit board 5 is attached at the lower folder Plate 31 simultaneously is used to connect with external electric signal.The flexible circuit board 5 includes main part 51, extension 52, pin 53 and connects Socket part 54.

The main part 51, which is sticked, is fixed on the lower clamp plate 31.

The extension 52 runs parallel to 31 periphery of lower clamp plate by the main part 51.In the present embodiment, Specifically, the extension 52 includes two and is extended to form respectively by the main part 51.

The pin 53 is bent from the extension 52 to 4 direction of pad to be extended.The pin 53 is vertically inserted in The pad 4 simultaneously forms fixed electrical connection.The pin 53 is vertically arranged with the extension 52.The structure avoids described insert Foot 53 increases width for being fixed on the pad 4 after bending, to keep 100 external structure of microphone device compact and be easy to make With.

Specifically, the pin 53 includes by the first segment 531 of the extension 52 bending extension and by the first segment 531 extend and with the matched second segment 532 of the container 42；The second segment 532 be inserted into the container 42 and with it is described Disk body 41 forms fixed electrical connection.The first segment 531 is vertically arranged with the extension 52.The structure is avoided by described It overturns after one section of 531 bending and generates the increased width far from the lower clamp plate 31.The first segment 531 passes through welding and institute It states disk body 41 and forms fixation.In the present embodiment, the pin 53 includes two and is prolonged respectively by two extensions 52 It stretches to be formed, two pins 53 are inserted in two pads 4 respectively and form fixed electrical connection.The structure is by the voice coil 22 positive terminal and consequent pole end pass through two pins 53 respectively and are connected with external electric signal.

The interconnecting piece 54 extends from the main part 51 to far from 1 direction of frame.The interconnecting piece 54 is for connecting Connect external electric signal.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims

1. a kind of microphone device comprising frame, the vibrational system for being fixed on the frame and the driving vibrational system vibration The magnetic circuit system of sounding, the pad for being set to the frame and the flexible circuit board fixed and be electrically connected with the pad；Institute Stating vibrational system includes the vibrating diaphragm for being fixed on frame and the voice coil for driving the diaphragm oscillations, and the pad is electrically connected to the sound Circle；The magnetic circuit system includes the lower clamp plate for being fixedly arranged on side of the frame far from the vibrational system, the flexible circuit Plate is attached at the lower clamp plate and for connecting with external electric signal, which is characterized in that the flexible circuit board includes being sticked admittedly Due to the main part of the lower clamp plate, the extension of the lower clamp plate periphery run parallel to by the main part, is prolonged by described The pin and be used for from the main part to what is extended far from the frame direction that extending portion extends to pad direction bending Connect the interconnecting piece of external electric signal；The pin is vertically inserted in the pad and forms fixed electrical connection.

2. microphone device according to claim 1, which is characterized in that the pin is vertically arranged with the extension.

3. microphone device according to claim 2, which is characterized in that the pad includes disk body and from the disk body to institute The direction for stating vibrational system is recessed the container to be formed, the pin include the first segment extended by extension bending and by The first segment extend and with the matched second segment of the container；The second segment be inserted into the container and with the disk body Form fixed electrical connection.

4. microphone device according to claim 1, which is characterized in that the frame includes two the first sides being oppositely arranged Wall and two second sidewalls being oppositely arranged, the length of the first side wall are greater than the length of the second sidewall and surround jointly The frame, the pad include two, and two pads are respectively arranged at opposite the two of one of them second sidewall End；The extension includes two and is extended to form respectively by the main part, and the pin is including two and respectively by two The extension extends to form, and two pins are inserted in two pads respectively and form fixed electrical connection.