CN202535530U

CN202535530U - Micro speaker

Info

Publication number: CN202535530U
Application number: CN2012201359145U
Authority: CN
Inventors: 李运海; 宁尚磊; 刘光磊
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2012-03-31
Filing date: 2012-03-31
Publication date: 2012-11-14
Anticipated expiration: 2022-03-31

Abstract

The utility model discloses a micro speaker, comprising a vibration system, a magnetic circuit system, a housing fixing and taking in the vibration system and the magnetic circuit system and an electric connection member, wherein the vibration system comprises a vibration film and a voice coil combined under the vibration film and the edge of the vibration film is fixedly combined with an upper side surface of the housing. The housing comprises sidewalls. The magnetic circuit system is fixed and taken in the inside of sidewalls. The electric connection member is an elastic sheet structure, comprising a deformation portion, wherein the deformation portion can generate deformation along the horizontal direction. The deformation portion is arranged on an outer side of the sidewall and bended away from the direction of the sidewall outer side. The top of the deformation portion is provided with a conductive portion electrically connected with an external circuit. The structure is favourable to realize the thin type of terminal products and raise suitability of the micro speaker.

Description

Microspeaker

Technical field

The utility model relates to the electroacoustic field, is specifically related to a kind of Microspeaker.

Background technology

Current, portable electron device is slimming day by day, thereby also more and more thinner as the Microspeaker of important acoustical device.

Microspeaker involving vibrations system, magnetic circuit system is accommodated the fixedly housing of vibrational system and magnetic circuit system, and electrical connector.Electrical connector is electrically connected Microspeaker internal circuit and external circuit; Vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into the vibrating diaphragm downside; The conductive part of electrical connector is electrically connected with external circuit in the course of work; Control the signal of telecommunication in the voice coil loudspeaker voice coil then, drive the vibrating diaphragm up-down vibration by voice coil loudspeaker voice coil and produce sound.

Usually require the thickness (width on the vertical direction) of end product as far as possible little, and in the horizontal direction to size require relatively low.In order to reduce the thickness of end product; The common along continuous straight runs of Microspeaker is arranged at its inside; And the conductive part of traditional structure Microspeaker electrical connector is arranged at the bottom of housing; Need the parts that wiring board etc. is electrically connected with Microspeaker be set at housing bottom, this has increased the thickness of end product undoubtedly, is unfavorable for the slimming of product.Therefore, be necessary the Microspeaker of this traditional structure is improved, to avoid above-mentioned defective.

The utility model content

The utility model technical problem to be solved provides a kind of Microspeaker, can improve the suitability that Microspeaker is installed, and helps realizing the slimming of end product.

To achieve these goals, the utility model provides a kind of Microspeaker, the involving vibrations system, and magnetic circuit system is accommodated the housing of fixing said vibrational system and said magnetic circuit system, and electrical connector; Said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into said vibrating diaphragm downside, and the edge secure bond of said vibrating diaphragm is in the upper side of said housing; Said housing comprises sidewall; The inboard of said sidewall is accommodated and is fixed with magnetic circuit system; Wherein, said electrical connector is the flexure strip structure, comprise can along continuous straight runs generation deformation deformations; Said deformations is arranged at the outside of said sidewall and to the direction bending away from said outside, the top of said deformations is provided with the conductive part that is electrically connected with external circuit.

In addition, preferred scheme is that said conductive part protrudes from the plane at said outside face place.

In addition, preferred scheme is that said housing is a rectangular configuration.

In addition, preferred scheme is that said electrical connector is two parts of electric insulation.

In addition, preferred scheme is that two major axis of said housing sidewall or the outside of two minor axises are respectively equipped with said deformations.

In addition, preferred scheme is that the arbitrary major axis of said housing and the outside of arbitrary minor axis are respectively equipped with said deformations.

In addition, preferred scheme is that the outside of arbitrary major axis of said housing is provided with two described deformations.

In addition, preferred scheme is that said housing is the racetrack structure, is combined with electrical connector on the sidewall at the two straight lines place of said racetrack housing.

In addition, preferred scheme is that the outside of said housing sidewall is provided with the installation portion that said electrical connector is installed.

In addition, preferred scheme is that said electrical connector combines with said housing injection moulding.

After adopting technique scheme; Compare with traditional structure; The utility model is at the conductive part of the arranged outside electrical connector of housing sidewall; The arrangements of electric connection that is electrically connected with Microspeaker of end product need be arranged on the thickness direction of end product, thereby help realizing the slimming of end product, and improved the suitability of Microspeaker.

Description of drawings

Through below in conjunction with accompanying drawing present embodiment being described, above-mentioned characteristic of the utility model and technological merit will become apparent and understand easily.

Fig. 1 is the three-dimensional decomposition texture sketch map of the utility model embodiment one Microspeaker.

Fig. 2 is the perspective view of the utility model embodiment one electrical connector.

Fig. 3 is the perspective view of the utility model embodiment one Microspeaker.

Fig. 4 is the vertical view of Microspeaker shown in Figure 3.

Fig. 5 is the upward view of Microspeaker shown in Figure 3.

Fig. 6 is the structural representation of the utility model embodiment two Microspeakers.

Fig. 7 is the structural representation of the utility model embodiment three Microspeakers.

Fig. 8 is the structural representation of the utility model embodiment four Microspeakers.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed description.

Embodiment one: like Fig. 1 to shown in Figure 5, Microspeaker involving vibrations system, magnetic circuit system, and accommodate the fixedly housing 12 of vibrational system and magnetic circuit system.Vibrational system comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22 that is incorporated into vibrating diaphragm 21 downsides, and vibrating diaphragm 21 is incorporated into the upper side of housing 12.Magnetic circuit system comprises washer 31, magnet 32 and the basin frame 33 that combines successively, and magnetic circuit system is accommodated fixing by housing 12, and magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil 22.Protecgulum 11 is incorporated into the upper side of vibrating diaphragm 21, with the housing 12 common peripheral frame that form Microspeaker.

In addition, Microspeaker also comprises the electrical connector 4 that is electrically connected Microspeaker internal circuit and external circuit, and electrical connector 4 is the flexure strip structure, comprises elastically-deformable deformations 41 taking place along continuous straight runs.Wherein, housing 12 comprises the sidewall that is approximately ring-type, and fixedly magnetic circuit system is accommodated in the inboard of sidewall, and the outside of sidewall is provided with deformations 41.Present embodiment electrical connector 4 combines through the injection moulding mode with housing 12, and outside is provided with the installation portion 121 that electrical connector 4 is installed corresponding to the position of deformations 41.

Electrical connector 4 is two parts of mutually insulated, and every part all is electrically connected with a lead-in wire of voice coil loudspeaker voice coil 22, and in the present embodiment, electrical connector 4 is symmetry and two independent parts.Housing 12 is a rectangular configuration, and two electrical connectors 4 are incorporated into respectively on 12 liang of major axis sidewalls of housing, like Fig. 4 and Fig. 5.

Wherein, deformations 41 is to the structure away from the bending of housing 12 outside directions; The top of deformations 41 is provided with conductive part 411, and conductive part 411 protrudes from the plane at the lateral surface place of housing 12 sidewalls, can directly contact to realize electrical connection with external circuit.After Microspeaker and the end product assembling, arrangements of electric connections such as the wiring board of end product can directly contact with the outside of housing 12 sidewalls to realize the connection of circuit.This structure makes the arrangements of electric connection of end product need not take the space on its thickness direction, thereby helps realizing the slimming of end product, has improved the suitability of Microspeaker and end product.

Embodiment two: Fig. 6 is the structural representation of the utility model embodiment two Microspeakers; As shown in Figure 6; The main distinction of present embodiment and embodiment one is; Electrical connector is installed on the sidewall of 12 liang of minor axises of housing, and deformations 41a is arranged at the outside of two minor axises of rectangular case 12a.Equally, when the Microspeaker of this structure was electrically connected with end product, the arrangements of electric connection of end product need not take the space on its vertical direction, had improved the suitability of Microspeaker.

Embodiment three: Fig. 7 is the structural representation of the utility model embodiment three Microspeakers; As shown in Figure 7; The main distinction of present embodiment and above embodiment is that two deformations 41b of Microspeaker are arranged at the outside of a major axis and the minor axis of rectangular case 12b respectively; But deformations 41b is not limited to schematic structure, and two deformations 41b can be incorporated on the arbitrary major axis and arbitrary minor axis of rectangular case 12b.The Microspeaker of this structure can reduce the height of end product, improves the suitability of Microspeaker.

Embodiment four: Fig. 8 is the structural representation of the utility model embodiment four Microspeakers; As shown in Figure 8; The main distinction of present embodiment and above embodiment is that two deformations 41c of Microspeaker all are incorporated into the outside of the arbitrary major axis of housing 12c; This structure can reduce the height of end product equally, improves the suitability of Microspeaker.

In addition, the utility model is not limited to the foregoing description, also can carry out other improvement; For example housing also can adopt the racetrack structure; Outside at racetrack housing two straight lines is provided with deformations of electrical connector etc., all has above-mentioned technique effect, all in the protection range of the utility model.

Under the above-mentioned instruction of the utility model; Those skilled in the art can be in his improvement of the basic enterprising Xingqi of the foregoing description and distortion; And these improvement and distortion all drop in the protection range of the utility model, and those skilled in the art should be understood that; Above-mentioned specific descriptions are just better explained the purpose of the utility model, and the protection range of the utility model is limited claim and equivalent thereof.

Claims

1. Microspeaker, the involving vibrations system, magnetic circuit system is accommodated the housing of fixing said vibrational system and said magnetic circuit system and electrical connector; Said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into said vibrating diaphragm downside, and the edge secure bond of said vibrating diaphragm is in the upper side of said housing; Said housing comprises sidewall; The inboard of said sidewall is accommodated and is fixed with magnetic circuit system; It is characterized in that said electrical connector is the flexure strip structure, comprise can along continuous straight runs generation deformation deformations; Said deformations is arranged at the outside of said sidewall and to the direction bending away from said outside, the top of said deformations is provided with the conductive part that is electrically connected with external circuit.

2. Microspeaker according to claim 1 is characterized in that, said conductive part protrudes from the plane at said outside face place.

3. Microspeaker according to claim 2 is characterized in that, said housing is a rectangular configuration.

4. Microspeaker according to claim 3 is characterized in that, said electrical connector is two parts of electric insulation.

5. Microspeaker according to claim 4 is characterized in that, two major axis of said housing sidewall or the outside of two minor axises are respectively equipped with said deformations.

6. Microspeaker according to claim 4 is characterized in that, the arbitrary major axis of said housing and the outside of arbitrary minor axis are respectively equipped with said deformations.

7. Microspeaker according to claim 4 is characterized in that, the outside of arbitrary major axis of said housing is provided with two described deformations.

8. Microspeaker according to claim 2 is characterized in that, said housing is the racetrack structure, is combined with electrical connector on the sidewall at the two straight lines place of said racetrack housing.

9. according to the described Microspeaker of the arbitrary claim of claim 1 to 8, it is characterized in that the outside of said housing sidewall is provided with the installation portion that said electrical connector is installed.

10. Microspeaker according to claim 9 is characterized in that, said electrical connector combines with said housing injection moulding.