CN202488686U

CN202488686U - Loudspeaker

Info

Publication number: CN202488686U
Application number: CN2012200159156U
Authority: CN
Inventors: 邵益
Original assignee: AAC Acoustic Technologies Shenzhen Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2012-01-13
Filing date: 2012-01-13
Publication date: 2012-10-10
Anticipated expiration: 2022-01-13

Abstract

The utility model provides a loudspeaker, comprising a support and a magnetic circuit system and a vibration system accommodated in the support. The vibration system comprises a voice coil, a diaphragm and a conductive terminal; the magnetic circuit system comprises a pole plate, a magnetic steel and a magnetic frame. The characteristics are that the conductive terminal has a first side in connection with the voice coil, a second side assembled on the support and a pair of interconnecting pieces bending from two ends of the first side to extend and in connection with two ends of the second side. According to the utility model, the vibration system simplifies the loudspeaker structure, saves costs and raises loudspeaker reliability.

Description

Loud speaker

[technical field]

The utility model relates to a kind of loud speaker, relates in particular to the vibrational system of loud speaker.

[background technology]

In recent years along with the fast development of mobile communication technology; The consumer uses the mobile communication equipment that has phonetic function more and more, for example portable phone, handheld device, laptop computer, laptop computer, multimedia player and can be through other equipment public or that dedicated communications network communicates.People are concerned about its voice quality, and as the loud speaker of speech transmission device, its design quality directly can influence the sounding effect of communication apparatus.

The loud speaker of correlation technique is welded in the voice coil line point on the conducting terminal, and conducting terminal is welded on the PCB again, and external circuit passes through PCB feed-in loud speaker to outer signal.This design demand is used extra PCB, has increased material cost and production process, and in that wire bonds to PCB the time, is tended to because PCB has conductive force, makes that the welding between conducting terminal and the PCB is loosening, and reliability is low, influences result of use.

Therefore, be necessary that a kind of new technical scheme in the place of carrying solves the problems referred to above.

[utility model content]

The technical problem that the utility model need solve is to provide a kind of high reliability and loud speaker cheaply.

The utility model is to realize through such technical scheme:

A kind of loud speaker; It comprises support, is contained in magnetic circuit system and vibrational system in the support; Said vibrational system comprises voice coil loudspeaker voice coil, vibrating diaphragm, conducting terminal; Said magnetic circuit system comprises pole plate, magnet steel, magnet frame, and said conducting terminal has first limit that connects voice coil loudspeaker voice coil, second limit that is assembled in support, and bends a pair of connecting portion that extends and connect two ends, said second limit from two ends, said first limit.

As a kind of improvement of the utility model, said second limit is provided with some through holes and connects the weld part of external circuit.

As a kind of improvement of the utility model, first limit of said conducting terminal, second limit and connecting portion sealing circularize, and the inside of said annular is defined as the gap.

As a kind of improvement of the utility model, said support comprises the rectangular frame that forms receiving space, and the lower surface at its two ends is provided with said through hole corresponding to the some paxillas that extend below, from four walls of framework to extending below four first baffle plates.

As a kind of improvement of the utility model, said magnet frame comprises the bottom surface, the upwardly extending second baffle from four limits of bottom surface, and from the turning of bottom surface the parallel yoke that extends to both sides.

As a kind of improvement of the utility model, first baffle plate of the second baffle of said magnet frame both sides and said support both sides passes the gap of said conducting terminal jointly.

The utlity model has following advantage: owing to use conducting terminal directly to connect said voice coil loudspeaker voice coil and external circuit; Simplified the structure of loud speaker; Practice thrift cost, and when being welded direct to lead-in wire on the conducting terminal, need not to seal line, improved the reliability of loud speaker.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model loud speaker;

Fig. 2 is the three-dimensional combination figure of the utility model loud speaker;

Fig. 3 is the conducting terminal structure chart of the utility model loud speaker.

[embodiment]

Below in conjunction with accompanying drawing and execution mode the utility model is described further.

Like Fig. 1, shown in Figure 2, the utility model loud speaker 1 is made up of loam cake 10, support 11, the vibrational system 12 and the magnetic circuit systems 13 that are contained in the support 11.

Said support 11 comprises the rectangular frame 111 that forms receiving space, and the lower surface at its two ends is provided with to the some paxillas 112 that extend below, from four walls of framework 111 to extending below four first baffle plates 113.

Said vibrational system 12 comprises vibrating diaphragm 121, voice coil loudspeaker voice coil 122 and conducting terminal 123, and said voice coil loudspeaker voice coil 122 is provided with the minor face 1221 that is positioned at both sides, and said conducting terminal 123 links to each other with said voice coil loudspeaker voice coil 122.

Said magnetic circuit system 13 comprises pole plate 131, magnet steel 132 and magnet frame 133; Said pole plate 131 links to each other with said magnet steel 132; Be contained in jointly in the said magnet frame 133, form magnetic gap, said magnet frame 133 comprises bottom surface 1331; The upwardly extending second baffle 1332 in 1331 four limits from the bottom surface, and from the bottom surface the parallel yoke 1333 that extends to both sides in 1331 turning.

As shown in Figure 3, the conducting terminal 123 of the utility model loud speaker 1, its profile is the ring-type of sealing.Said conducting terminal 123 is provided with first limit 1231 that connects said voice coil loudspeaker voice coil 122, second limit 1232 that is assembled in said support 11, and a pair of connecting portion 1230 at 1232 two ends, said second limit is extended and connects in bending from 1231 two ends, said first limit.Said first limit 1231, second limit 1232 surround gap 1234 with connecting portion 1230; Said second limit 1232 also comprises the weld part 1222 that is positioned at 1233 of through holes; Be used for being connected with external circuit, said through hole 1233 is corresponding with the paxilla 112 on the aforementioned brackets 11.

During assembling the utility model loud speaker; Conducting terminal 123 is assembled in the two ends of support 11 from bottom to top; The paxilla 112 of support 11 passes through hole 1233, and pole plate 131 links to each other with magnet steel 132, and voice coil loudspeaker voice coil 122 is arranged in pole plate 121, magnet steel 132 and the magnet frame 133 common magnetic gap that form.Magnet frame 133 places in the support 11, and first baffle plate 113 of its second baffle 1332 and support 11 is wedging mutually, and the second baffle 1332 of magnet frame 133 both sides and first baffle plate 113 of support 11 both sides pass the gap 1234 of conducting terminal 123 jointly.Conducting terminal 123 leans on paxilla 112 wedging mutually on through hole 1233 and the support 11 on its second limit 1232, thereby is fixed on the support 11, and first limit 1231 of conducting terminal 123 is welded on the minor face 1221 of voice coil loudspeaker voice coil 122.

Because the integral body of conducting terminal 123 for processing by electric conducting materials such as FPC; External circuit links to each other with weld part 1222, and outer signals can directly reach its first limit 1231 through its second limit 1232, passes to voice coil loudspeaker voice coil 122 then; Be that conducting terminal 123 directly connects voice coil loudspeaker voice coil 122 and external circuit; Therefore save PCB, reduced operation and welding envelope line simultaneously, improved the stability of product.

Above-described only is the execution mode of the utility model; Should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; Can also make improvement, but these all belong to the protection range of the utility model.

Claims

1. loud speaker; It comprises support, is contained in magnetic circuit system and vibrational system in the support; Said vibrational system comprises voice coil loudspeaker voice coil, vibrating diaphragm, conducting terminal; Said magnetic circuit system comprises pole plate, magnet steel, magnet frame, it is characterized in that: said conducting terminal has first limit that connects voice coil loudspeaker voice coil, second limit that is assembled in support, and bends a pair of connecting portion that extends and connect two ends, said second limit from two ends, said first limit.

2. loud speaker according to claim 1 is characterized in that: said second limit is provided with some through holes and connects the weld part of external circuit.

3. loud speaker according to claim 2 is characterized in that: first limit of said conducting terminal, second limit and connecting portion sealing circularize, and the inside of said annular is defined as the gap.

4. loud speaker according to claim 3; It is characterized in that: said support comprises the rectangular frame that forms receiving space; The lower surface at its two ends is provided with said through hole corresponding to the some paxillas that extend below, from four walls of framework to extending below four first baffle plates.

5. loud speaker according to claim 4 is characterized in that: said magnet frame comprises the bottom surface, the upwardly extending second baffle from four limits of bottom surface, and from the turning of bottom surface the parallel yoke that extends to both sides.

6. loud speaker according to claim 5 is characterized in that: first baffle plate of the second baffle of said magnet frame both sides and said support both sides passes the gap of said conducting terminal jointly.