CN206100432U - Single loudspeaker - Google Patents

Abstract

The utility model relates to a single loudspeaker. This single loudspeaker includes magnetic circuit and vibration system, magnetic circuit includes the yoke, vibration system includes vibrating diaphragm and voice coil loudspeaker voice coil, the yoke includes the bottom plate and follows the ascending lateral wall of bottom plate, be provided with two at least breachs in the yoke, the one end of voice coil loudspeaker voice coil is connected on the vibrating diaphragm, the voice coil loudspeaker voice coil stretch into to in the bottom plate of yoke and the accommodating space that the lateral wall encloses, the voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body and two strip leads, two strip leads are followed follow respectively after drawing forth on the voice coil loudspeaker voice coil body two breachs in the yoke are derived, correspond on the inner wall of yoke lateral wall the position punishment of two strip leads do not is provided with the step behind the attenuate lateral wall thickness. The utility model discloses a single loudspeaker can increase the vibration space of voice coil loudspeaker voice coil lead wire, avoids the space inadequately to lead to the voice coil loudspeaker voice coil lead wire to be wiped and bumps the yoke.

Description

A kind of loudspeaker monomer

Technical field

The utility model is related to electroacoustic field, more specifically, the utility model is related to a kind of loudspeaker monomer.

Background technology

Microspeaker includes housing and the loudspeaker monomer that is contained in housing, loudspeaker monomer include magnetic circuit system and Vibrational system, vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil being fixed together, and magnetic gap is provided with magnetic circuit system.Raise currently miniature Sound device field, Microspeaker product overall dimensions are further pocket, cause the magnetic gap space of loudspeaker less and less, due to sound Circle lead is in the magnetic gap formed between magnet and the side wall of yoke from the extraction location of voice coil loudspeaker voice coil body, accordingly, one Separating line also can be in the magnetic gap formed between magnet and the side wall of yoke.When lead in magnetic gap with voice coil vibrations And when being in larger displacement, because the magnetic gap space of lead position is less, lead easily wipes the side wall for touching yoke, cause sound Circle lead broken string, reduces the reliability and acoustical behavior of loudspeaker.

Utility model content

A purpose of the present utility model is to provide a kind of new solution of loudspeaker monomer.

According to one side of the present utility model, there is provided a kind of loudspeaker monomer.The loudspeaker monomer includes magnetic circuit system And vibrational system, the magnetic circuit system includes yoke, and the vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, the yoke include base plate and Along base plate side wall upwards, at least two breach are provided with the yoke, one end of the voice coil loudspeaker voice coil is connected on the vibrating diaphragm, The voice coil loudspeaker voice coil is stretched in the receiving space that the base plate of the yoke and side wall are surrounded, and the voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body and two Lead, two leads draw from the voice coil loudspeaker voice coil body after respectively two breach from the yoke derive, the magnetic The step after thinning sidewall thickness is respectively arranged with the inwall of yoke side wall at the position of correspondence two leads.

Optionally, inwall of the step respectively from yoke side wall extends to corresponding gap position.

Optionally, the side wall of the yoke includes two pairs of straight sidewalls for extending in parallel and four sections of curved walls, described two Straight sidewalls to extending in parallel are joined end to end by four sections of curved walls, the overall rounded square of the side wall of the yoke Shape, the breach is arranged on the curved wall position of the yoke.

Optionally, the straight sidewalls and two sections of curved walls of the side wall of the yoke including a pair of parallel extension, described one Straight sidewalls are joined end to end by two sections of curved walls, the side wall of the yoke is in integrally track type, and the breach sets Put in the curved wall position of the yoke.

Optionally, two breach of the yoke are respectively from two end faces of straight sidewalls of the yoke to described The curved wall of yoke extends, and the step extends to two ends of the straight sidewalls from the inwall of the straight sidewalls Face, two leads are derived respectively from described two breach.

Optionally, the mating shapes of the voice coil loudspeaker voice coil body and yoke side wall are round rectangle, the voice coil loudspeaker voice coil body Including two pairs of straight flange portions for extending in parallel and four sections of curved portions, two leads are respectively from a straight flange of the voice coil loudspeaker voice coil body Draw in portion and derive from corresponding breach, the position of the step is relative with the position of two leads respectively.

Optionally, the position of described two breach is relative with the position that two leads are drawn from the voice coil loudspeaker voice coil body Should.

Optionally, rebate of two leads respectively in bending is by described two breach, described two rebate Opening it is relative.

Optionally, the rebate is U-shaped or spirality.

Further, the utility model additionally provides a kind of loudspeaker module, including：Above-mentioned loudspeaker monomer.

One of the present utility model has technical effect that, sets respectively at the position of corresponding lead on the inwall of yoke side wall The step being equipped with after thinning sidewall thickness, affects less to overall sensitivity, can increase the oscillation space of lead, it is to avoid lead Yoke side wall is touched in wiping, improves the reliability and acoustical behavior of loudspeaker.

By referring to the drawings to the detailed description of exemplary embodiment of the present utility model, it is of the present utility model other Feature and its advantage will be made apparent from.

Description of the drawings

The Description of Drawings embodiment of the present utility model of a part for specification is constituted, and is used together with the description In explanation principle of the present utility model.

Fig. 1 is the assembling plan view of yoke and voice coil loudspeaker voice coil in the utility model.

Fig. 2 is the structural representation of yoke in the utility model.

Fig. 3 is the structural representation of voice coil loudspeaker voice coil in the utility model.

Wherein, 1：Yoke；2：Voice coil loudspeaker voice coil；10：Yoke base plate；11：Yoke side wall；12：Breach；20：Voice coil loudspeaker voice coil body；21：Draw Line；22：Lead；110：Step；210：Rebate；220：Rebate.

Specific embodiment

Describe various exemplary embodiments of the present utility model in detail now with reference to accompanying drawing.It should be noted that：Unless another Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments is not limited Make scope of the present utility model.

It is below illustrative to the description only actually of at least one exemplary embodiment, never as to this practicality New and its application or any restriction for using.

For technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered a part for specification.

In all examples shown here and discussion, any occurrence should be construed as merely exemplary, and not It is as restriction.Therefore, other examples of exemplary embodiment can have different values.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.

The utility model provides a kind of loudspeaker monomer, as shown in Figure 1 to Figure 3, including magnetic circuit system and vibrational system. Wherein, magnetic circuit system includes yoke 1, and yoke 1 includes base plate 10 and the side wall 11 along base plate 10 upwards, by the base plate 10 A receiving space is surrounded with side wall 11, the receiving space is the semi-surrounding structure of one end open, arranges jagged in yoke 1 12, the quantity of breach 12 at least two for example can be with as shown in Fig. 2 be provided with four breach in yoke 1, described four Breach is axisymmetricly distributed in yoke 1.

Vibrational system includes voice coil loudspeaker voice coil 2 and vibrating diaphragm, and one end of voice coil loudspeaker voice coil 2 is connected on the vibrating diaphragm, and voice coil loudspeaker voice coil 2 stretches to the magnetic In the receiving space that the base plate 10 and side wall 11 of yoke 1 is surrounded, voice coil loudspeaker voice coil 2 includes voice coil loudspeaker voice coil body 20 and two leads 21,22, described two Bar lead 21,22 is drawn respectively from voice coil loudspeaker voice coil body 20, and respectively by corresponding breach derivation in yoke 1, finally by electricity Connector is connected with external circuit.After voice coil loudspeaker voice coil 2 is powered, voice coil loudspeaker voice coil 2 can vibrate in the presence of magnetic circuit system, due to the one of voice coil loudspeaker voice coil 2 End is connected to one piece with vibrating diaphragm, therefore voice coil loudspeaker voice coil 2 can drive vibrating diaphragm together to vibrate, and realize the sounding of vibrating diaphragm.

As depicted in figs. 1 and 2, led by corresponding breach in yoke 1 after lead 21,22 is drawn from voice coil loudspeaker voice coil body 20 Go out, lead 21,22 is located at the yoke 1 from some lead is understood between the extraction location and corresponding breach of voice coil loudspeaker voice coil body 20 Receiving space in, this part lead easily wipes the side wall 11 for touching yoke 1 in vibration processes, therefore, on the inwall of side wall 11 The step 110 of thinning sidewall thickness is respectively arranged with the position of correspondence lead 21,22, the vibration for increasing lead 21,22 is empty Between, it is to avoid lead 21,22 is wiped and touches side wall 11.

Preferably, as shown in figure 1, electric with external circuit to make lead 21,22 derive by corresponding breach in yoke 1 Connection, the step 110 extends to corresponding gap position from the inwall of the side wall 11, it is to avoid in step 110 and phase The sidewall surfaces between breach are answered not flush and cutting lead 21,22.

Preferably, as shown in Fig. 2 the side wall 11 of yoke 1 includes two pairs of straight sidewalls for extending in parallel and four sections of curved sides Wall, two pairs of straight sidewalls for extending in parallel are joined end to end by four sections of curved walls, and the side wall 11 of the yoke 1 is whole The rounded rectangle of body, the round rectangle is so as to the closed figure for being formed by four right angles of rectangle by four circularity substitutions. Accordingly, lead 21,22 being derived for convenience and reducing breach for the impact of loudspeaker sensitivity, the breach 12 is arranged on The curved wall position of the yoke 1.

Preferably, the side wall 11 of the yoke 1 includes the straight sidewalls and two sections of curved walls of a pair of parallel extension, described A pair of straight sidewalls are connected by two sections of curved walls head and the tail, and it is in track type that the side wall 11 is overall, the track type by Two straight lines for extending in parallel and two semi arches composition, the semi arch joins end to end the straight line that two extend in parallel composition One closed figure, the breach 12 is arranged on the curved wall position of the yoke 1.

It is further preferred that as shown in Fig. 2 two breach of the lead 21,22 are derived in the yoke 1 respectively from institute Two end faces for stating a straight sidewalls of yoke 1 extend to the curved wall of the yoke 1, it is to avoid straight flange in the yoke 1 Part curved wall is still left between two end faces of side wall and the breach, is caused lead 21,22 to be wiped and is touched the part arc Side wall, the step 110 extends to respectively two end faces of the straight sidewalls from the inwall of the straight sidewalls.

It is further preferred that for make voice coil loudspeaker voice coil 2 in the receiving space internal vibration that yoke 1 is surrounded not with the side wall 11 of yoke 1 Generation wiping is touched, the mating shapes of the side wall 11 of voice coil loudspeaker voice coil body 20 and yoke 1, as shown in figure 3, when the side wall 11 of yoke 1 is overall For round rectangle when, voice coil loudspeaker voice coil body 20 is also round rectangle, and voice coil loudspeaker voice coil body 20 includes two pairs of straight flange portions for extending in parallel and four sections Curved portions, lead 21,22 is drawn from a straight flange portion of voice coil loudspeaker voice coil body 20 and is derived from corresponding breach, the step 110 Position it is relative with the position of the lead 21,22 in the receiving space of the yoke 1, to ensure that lead 21,22 has sufficiently large Oscillation space.

Especially, as shown in figure 1, to make lead 21,22 be smoothly through the breach in yoke 1, two in the yoke 1 The position that individual gap position is drawn with the lead 21,22 from the voice coil loudspeaker voice coil body 20 is corresponding, and the lead 21,22 is distinguished Derived by corresponding breach.

One of the present invention preferred embodiment in, as shown in figure 1, to avoid lead 21,22 from deriving corresponding lacking The surface for touching side wall 11 is wiped during mouth, rebate 210,220 of the lead 21,22 respectively in two bendings are by lacking accordingly Mouthful, for convenience external circuit is electrically connected by electrical connector with lead 21,22, the opening of described two rebate 210,220 Relatively, two leads 21,22 derived and extend toward rightabout after corresponding breach.

It is further preferred that as shown in figure 1, the U-shaped or spirality of the rebate 210,220, extends lead 21,22 In the length of corresponding gap position, it is to avoid lead 21,22 is pullled broken string due to curtailment.

In one specific embodiment of the utility model, as shown in figure 1, lead 21,22 draws from voice coil loudspeaker voice coil body 20 After going out, the receiving space that yoke 1 is surrounded is first passed through, derived by breach 12 afterwards and electrically connected with external circuit.Through yoke 1 During interior receiving space, it is respectively arranged with the position of correspondence lead 21,22 on the inwall of the side wall 11 of yoke 1 and subtracts thin sidewalls Step 110 after thickness, increases the oscillation space of lead 21,22, it is to avoid lead 21,22 is wiped and touches side wall 11；By corresponding Breach when deriving, lead 21,22 is U-shaped or spiral rebate 210,220；After corresponding breach is derived, lead 21st, 22 are extended toward rightabout and are electrically connected with external circuit by electrical connector.

Present invention also offers a kind of loudspeaker module, including above-mentioned loudspeaker monomer, the loudspeaker monomer Collecting is fixed in speaker cover body, and external circuit is electrically connected by electrical connector with the lead 21,22.

Although being described in detail to some specific embodiments of the present utility model by example, this area It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example Modify.Scope of the present utility model is defined by the following claims.

Claims (10)

1. a kind of loudspeaker monomer, it is characterised in that：Including magnetic circuit system and vibrational system, the magnetic circuit system includes yoke, The vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and the yoke includes base plate and the side wall along base plate upwards, arranges in the yoke The one end for having at least two breach, the voice coil loudspeaker voice coil is connected on the vibrating diaphragm, the voice coil loudspeaker voice coil stretch to the yoke base plate and In the receiving space that side wall is surrounded, the voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body and two leads, and two leads are from the voice coil loudspeaker voice coil sheet Two breach after drawing on body respectively from the yoke are derived, correspondence two leads on the inwall of yoke side wall Position at be respectively arranged with the step after thinning sidewall thickness.

2. loudspeaker monomer according to claim 1, it is characterised in that：The step is respectively from the wall of the yoke side Wall extends to corresponding gap position.

3. loudspeaker monomer according to claim 1, it is characterised in that：The side wall of the yoke is extended in parallel including two Duis Straight sidewalls and four sections of curved walls, two pairs of straight sidewalls for extending in parallel are by four sections of curved walls head and the tail phase Even, the overall rounded rectangle of the side wall of the yoke, the breach is arranged on the curved wall position of the yoke.

4. loudspeaker monomer according to claim 1, it is characterised in that：The side wall of the yoke includes a pair of parallel extension Straight sidewalls and two sections of curved walls, the pair of straight sidewalls are joined end to end by two sections of curved walls, the magnetic The side wall of yoke is in integrally track type, and the breach is arranged on the curved wall position of the yoke.

5. loudspeaker monomer according to claim 3, it is characterised in that：Two breach of the yoke are respectively from the magnetic Two end faces of one straight sidewalls of yoke to the curved wall of the yoke extends, and the step is from the straight sidewalls Wall extends to two end faces of the straight sidewalls, and two leads are derived respectively from described two breach.

6. loudspeaker monomer according to claim 3, it is characterised in that：The shape of the voice coil loudspeaker voice coil body and yoke side wall Shape matches for round rectangle, and the voice coil loudspeaker voice coil body includes two pairs of straight flange portions for extending in parallel and four sections of curved portions, described two Lead is drawn respectively from a straight flange portion of the voice coil loudspeaker voice coil body and is derived from corresponding breach, the position difference of the step It is relative with the position of two leads.

7. loudspeaker monomer according to claim 5, it is characterised in that：Draw with described two the position of described two breach The position that line is drawn from the voice coil loudspeaker voice coil body is corresponding.

8. loudspeaker monomer according to claim 1, it is characterised in that：Two leads are respectively in the rebate of bending By described two breach, the opening of described two rebate is relative.

9. loudspeaker monomer according to claim 8, it is characterised in that：The rebate is U-shaped or spirality.

10. a kind of loudspeaker module, it is characterised in that：Including claim 1-9 one of arbitrarily described in loudspeaker monomer.