CN209283485U - Loudspeaker - Google Patents

Abstract

The utility model provides a kind of loudspeaker, which includes: support construction, and the support construction includes bracket；Vibrational structure, the vibrational structure include ring, and the ring includes curved portion and the outer rim that connect with bracket；Wherein the outer rim of the ring extends downwardly, adjacent and connect with the outer rim at the top of the bracket, and the outer rim of the ring is no more than curved portion outermost end in the radial direction radially.The above structure increases effective vibration area of loudspeaker, to improve the sensitivity of loudspeaker.

Description

Loudspeaker

Technical field

This disclosure relates to a kind of loudspeaker, more particularly, to a kind of loudspeaker with improved ring structure.

Background technique

Currently, consumer wants for sound quality as the popularity rate of traditional speaker and intelligent sound box in the market is higher and higher Ask also higher and higher.For loudspeaker as the core component in speaker, the specific design requirement for it may include following several One or more in aspect: (1) loudspeaker is able to bear high-power；(2) loudspeaker has lower resonance frequency；(3) it raises Sound device has high sensitivity；(4) speaker size is as small as possible；(5) loudspeaker has lower distortion.

Effective vibration area of loudspeaker is a key factor for influencing the sensitivity of loudspeaker.On the one hand, market needs Will the smaller loudspeaker of more frivolous and volume, another aspect loudspeaker volume reduction may be such that effectively vibration area subtract It is small, so as to cause loudspeaker sensitivity reduction.

Accordingly, it is desirable to provide a kind of loudspeaker, under the limitation of certain outer diameter, with effective vibration as big as possible Area.

Utility model content

The utility model provides a kind of loudspeaker with effective vibration area as big as possible.

Embodiment according to the present utility model, provides a kind of loudspeaker, including support construction, and the support construction includes Bracket；Vibrational structure, the vibrational structure include ring, and the ring includes curved portion and the outer rim that connect with bracket；Wherein The outer rim of the ring extends downwardly, adjacent and connect with the outer rim at the top of the bracket, and the outer rim of the ring exists Radially it is no more than curved portion outermost end in the radial direction.

Optionally, the outer rim of the ring extends straight down, and the outer rim at the top of the bracket have with Its surface matched.Optionally, the lower edge of the outer rim of the ring is no more than the lower edge of the outer rim at the top of the bracket, and And the bracket includes the horizontal edge extended radially outward under the outer rim at top.

Optionally, the curved portion of the ring relative to from the highest point of the curved portion along the vertical of the loudspeaker The axis that direction extends is symmetrical.

Optionally, the curved portion of the ring relative to from the highest point of the curved portion along the vertical of the loudspeaker The axis that direction extends is asymmetrical, and the highest point is radially outward inclined relative to the midpoint of the width of the curved portion It moves or radially-inwardly deviates.

Optionally, the highest point of the ring constitutes wavy shape in the horizontal direction of loudspeaker.

Optionally, the outer rim of the ring by bonding or snaps connection on bracket.

Optionally, the vibrational structure further includes playing wave, and the outer rim for playing wave connects with the bracket in the vertical direction It connects.

Optionally, the ring is made of one of rubber, polyurethane and foam or more persons.

Optionally, the loudspeaker is the loudspeaker of axially symmetric structure or the loudspeaker of nonaxisymmetric structure.Optionally, The loudspeaker can be racetrack loudspeaker or sequence shaped loudspeaker.

Optionally, the loudspeaker includes magnetic circuit system, and the magnetic circuit system includes magnetic gap；The vibrational structure further includes The voice coil for playing wave and connecting with bullet wave, can be suspended in magnetic gap.

Optionally, the loudspeaker can be passive radiator.

Detailed description of the invention

Fig. 1 shows the cross-sectional view of the loudspeaker of embodiment according to the present utility model；

Fig. 2 is the decomposition view of loudspeaker shown in FIG. 1；

Fig. 3 A shows the top view of the loudspeaker of embodiment according to the present utility model；

Fig. 3 B is the Section A-A cross-sectional view of loudspeaker shown in Fig. 3 A；

Fig. 3 C is the enlarged drawing of the ring and bracket attachment portion in Fig. 3 B；

Fig. 4 A- Fig. 4 C is the schematic diagram of various forms of rings of embodiment according to the present utility model, and Fig. 4 D is The top view and Section A-A cross-sectional view of the waveform ring of various forms of rings such as Fig. 4 A-4C are used；

Fig. 5 shows the schematic diagram of effective vibration radius of loudspeaker according to the present utility model；With

Fig. 6 is shown in the identical situation of maximum outside diameter of loudspeaker using horizontal connection mode and vertical connection type The comparison figure of obtained sound pressure level curve.

Specific embodiment

Embodiment of the disclosure is described below in detail, examples of the embodiments are shown in the accompanying drawings.In the accompanying drawings, identical Or similar label indicates the same or similar element or the element with same or similar function.It is retouched below with reference to attached drawing The embodiment stated is exemplary, and is only used for explaining the disclosure, and should not be understood as the limitation to the disclosure.

Unless otherwise defined, the technical term or scientific term used herein should be in disclosure fields and has The ordinary meaning that the personage of general technical ability is understood.In the description of the disclosure, it is to be understood that term " center " " is indulged To ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. refer to The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description disclosure and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as the limitation to the disclosure.

Fig. 1-2 shows loudspeaker 100 according to an embodiment of the present disclosure, and wherein Fig. 1 is cross-sectional view, and Fig. 2 is to decompose view Figure.Fig. 3 A shows the top view of the loudspeaker of embodiment according to the present utility model；Fig. 3 B is loudspeaker shown in Fig. 3 A Section A-A cross-sectional view；Fig. 3 C is the enlarged drawing of the ring and bracket attachment portion in Fig. 3 B.

Loudspeaker 100 includes vibrational structure, magnetic circuit system and support construction.Vibrational structure may include ring 120, voice coil 122, dust cover 124, bullet wave 126 and vibrating diaphragm 128.Magnetic circuit system may include main magnet 160, secondary magnet 162, superior pole piece 164 With inferior pole piece 166.Support construction may include bracket 140.Bracket 140 is for accommodating vibrational structure and magnetic circuit system.The disclosure Loudspeaker it is without being limited thereto, can have more or less component.

In vibrational structure, the radially outer edge of ring 120 is connected to bracket 140, and its radially inner edge and 128 phase of vibrating diaphragm Connection.The radially outer edge for playing wave 126 is connected to bracket 140, and its radially inner edge is connected to voice coil 122.When electric signal (sound Signal) enter after voice coil, voice coil can vibrate in magnetic gap along the axis direction of loudspeaker, and the vibration of voice coil will drive Diaphragm oscillations.The connection type between ring 120 and bracket 140 will be described in more detail below.

As shown in Fig. 1, Fig. 3 B and Fig. 3 C, ring 120 includes outer rim 210, curved portion 230 and inner edge 250.Ring 120 Outer rim 210 is located at the radial outermost of ring 120, and extends downwardly that ("up" and "down" here is relative to raising in figure What the placement direction of sound device determined, i.e. the ring of loudspeaker and the vibrating diaphragm top that is located at loudspeaker, the magnetic circuit system position of loudspeaker In the lower part of loudspeaker), it is adjacent with the outer rim 310 at the top of bracket.Fig. 1, Fig. 3 B and Fig. 3 C illustrate only the outer rim 210 of ring The case where extending vertically downwards.But the outer rim 210 of ring 120 is not limited to (raise along the vertical direction of loudspeaker The axial direction of sound device) structure that extends downwardly also may include the structure extended obliquely downward.But, the outer rim 210 of ring Radially be no more than ring 120 the outermost end in the radial direction of curved portion 230, such as ring outer rim 210 relative to ring 120 outermost end in the radial direction of curved portion 230 slopes inwardly.

The outer rim 210 of the ring 210 extended downwardly can be shaped to knot straight down or diagonally downward during fabrication Structure.

In order to be connected with the outer rim 210 of ring 120, the outer rim 310 at the top of bracket 140 can match ring 120 The extending radially downward angle of outer rim 210 forms, to keep the outer rim 210 of ring 120 and the outer rim 310 of bracket 140 Adjoining.For example, the outer rim 310 of bracket is also corresponding when the outer rim 210 of ring 120 is roughly vertical downward orientation Roughly vertical molding；When the outer rim 310 of ring 120 is orientation diagonally downward, the outer rim 310 of bracket is also with roughly the same Angle tilts down molding.

The outer rim 210 of ring 120 and the outer rim 310 of bracket 140 can be adhesively fixed to together.Adhesive 50 is located at the two Between opposite part.In order to ensure the intensity being bonded between the two, the outer rim 210 of ring 120 and the outer rim 310 of bracket are opposite Part want sufficiently large.The length of the outer rim 210 of ring 120 can be selected according to the size of loudspeaker.Ring and bracket 140 It can also connect, such as snap connection by other means.In addition, in order to increase the intensity of connection, the thickness of the outer rim 210 of ring Degree can be bigger than the thickness of ring other parts.

Ring can according to need using various suitable material manufactures, including but not limited to rubber, polyurethane (PU), bubble Cotton, cloth-based material, paper base material etc..

The connection type of above ring and bracket can also be applied to play the connection of wave and bracket.For example, playing the outer of wave Edge extends vertically or obliquely downwards or upwards, is connected with the corresponding part of bracket by the modes such as Nian Jie.

The top of bracket 140 may further include to be extended radially outward under the outer rim 310 along the top of bracket Radial edges 330 (as shown in Figure 3 C).The lower edge of the outer rim 310 of of length no more than bracket of the outer rim 210 of ring 120, makes Obtaining radial edges 330 can radially extend under the lower edge of the outer rim 210 of ring 120.The radial edges 330 of bracket 140 can For aperture used in fixed loudspeaker (as shown in Figure 3A) to be arranged.In order to minimize the size of loudspeaker, bracket is most Big width can be restricted to the diameter D no more than ring.Optionally, support construction can also include connecting terminal 142, set It sets in the side of bracket 140, is radially positioned within the radially outer edge of ring.Terminal 142 is connected with the lead-out wire of voice coil, uses In voice coil and being electrically connected outside loudspeaker.

The present disclosure is not limited to the structure of bracket shown in figure, bracket is also possible to cabinet or is suitble to accommodate and support vibration The other structures of structure.

Optionally, bracket is further connect with magnetic circuit system.In magnetic circuit system, main magnet 160, superior pole piece 164 and pair Magnet 162 is successively set on inferior pole piece 166 and is supported by inferior pole piece 166.It can be using modes such as bondings between them It links together.Magnetic circuit system can also include copper cap (not shown), be arranged on superior pole piece 164, for reducing whirlpool of inducting Stream, to reduce distortion.Magnetic circuit system in above-described embodiment is only exemplary, and the disclosure is not by the limit of magnetic circuit system System, but can be adapted for various magnetic circuit systems.

Effective vibration area of loudspeaker is at a distance from the vertical axis of the apogee distance loudspeaker of the curved portion of ring It is related.In above-described embodiment of the disclosure, the link position between ring and bracket is placed in the lower section of the curved portion of ring, makes The coupling part for obtaining ring is not take up the width of loudspeaker, has maximally utilised the outer diameter of loudspeaker, has increased as far as possible The effective vibration area for having added loudspeaker, to improve the sensitivity of loudspeaker as much as possible.

As shown in figure 5, effectively vibrating area S is with the highest point of the curved portion of ring to loudspeaking by taking round ring as an example The distance between axis of device vibrates radius a effectively to calculate.In the case where the entire width D of loudspeaker is restricted, The highest point of the curved portion of ring can be increased as far as possible to the distance between the axis of loudspeaker a, thus will effectively vibrate area S It maximizes.

For the ring of other shapes, although effectively vibration plane product calculation it is different, all with ring Apogee distance loudspeaker vertical axis it is related.

Other than the structure for being placed in the lower section of curved portion of ring using the link position between ring and bracket, may be used also Increase the sensitivity effectively vibrated area and improve loudspeaker to be considered as ring of different shapes.

Fig. 4 A- Fig. 4 C shows the schematic diagram of various forms of rings of embodiment according to the present utility model, and schemes 4D is that the top view of the waveform ring obtained using various forms of rings as shown in figs. 4 a-4 c and Section A-A cut open View.

In Figure 4 A, the curved portion of ring relative to from the highest point of curved portion along loudspeaker vertical direction extend Axis is symmetrical.In figs. 4 b and 4 c, the curved portion of ring is relative to the highest point from curved portion along the vertical of loudspeaker The axis that direction extends is asymmetrical, and the highest point radially outward deviates (figure relative to the midpoint of the width of curved portion 4B) or radially-inwardly deviate (Fig. 4 C).

Effective vibration area of the round ring formed using the shape in Fig. 4 B will be than the shape shape using Fig. 4 A and 4C At round ring effective vibration area it is bigger.

Fig. 4 D is the ring shape using Fig. 4 A, 4B and 4C and the waveform ring formed, wherein the highest point of ring Form wavy shape (referring to 401).It can be seen that from the Section A-A cross-sectional view in Fig. 4 D in wavy wave crest portions The highest point of corresponding curved portion deviates outward, that is, the case where Fig. 4 B；And wavy wave trough portion is corresponding The highest point of curved portion is offset inward, that is, the case where Fig. 4 C.The main function of ring first is that guarantee vibrating diaphragm edge Axis direction movement, without bias, so that voice coil be avoided to be rubbed in magnetic gap.The ring formed in this way relative to The round ring formed in a symmetrical can preferably limit the radial motion of vibrating diaphragm, prevent ring deformation, so as to improve raising The sensitivity of sound device.In addition, ring is not limited to above-mentioned shape, it can also be using the symmetrical or unsymmetric form of other shapes Ring.Further, it is also possible to reinforcing rib or decorative pattern be arranged on ring to enhance the rigidity of ring and avoid polarizing.

The loudspeaker example that Fig. 6 is shown with 66mm size, using horizontal connection mode and vertically between ring and bracket The sound pressure level curve map that connection type measures respectively, the result that wherein horizontal connection mode obtains is represented by dashed line, and erects The result that straight connection type obtains is indicated by the solid line.The horizontal connection mode of ring and bracket needs the outer edge in ring reserved Certain size, for being bonded with bracket.But it connects the effective radius that occupied size vibrates ring and subtracts It is few, effectively vibration area is thereby reduced, to reduce the sensitivity of loudspeaker unit.It can from the above comparison result Out, in the case where identical maximum outside diameter, embodiment of the disclosure is higher by 2- than the sound pressure level that horizontal connection mode obtains 3dB。

Although embodiment of the disclosure is exemplified with active speaker, the connection side between ring and bracket Formula can be applicable to the equipment such as passive radiator.Optionally, passive radiator can be used together with active speaker, installation On the cabinet of speaker.The bracket of passive radiator can be such as the bracket that active speaker uses in above-described embodiment, can also To be the cabinet of speaker.In addition, the connection type of the disclosure can be used for needing to hang fixed a variety of occasions.

Although embodiment of the disclosure is related to the loudspeaker of axially symmetric structure, but the present disclosure is not limited thereto, but can be with Other various loudspeakers, such as racetrack loudspeaker, sequence shaped loudspeaker of loudspeaker applied to such as nonaxisymmetric structure etc..

The above, the exemplary embodiment only used in order to illustrate the principle of the disclosure are not intended to limit this Disclosed protection scope.For those skilled in the art, in the feelings of the spirit and essence that do not depart from the disclosure Under condition, various changes and modifications can be made therein, these variations and modifications are also in the protection scope of the disclosure.

Claims (13)

1. a kind of loudspeaker, characterized by comprising:

Support construction, the support construction include bracket；

Vibrational structure, the vibrational structure include ring, and the ring includes curved portion and the outer rim that connect with bracket；

Wherein the outer rim of the ring extends downwardly, adjacent and connect with the outer rim at the top of the bracket, and the ring Outer rim be no more than curved portion outermost end in the radial direction radially.

2. loudspeaker as described in claim 1, it is characterised in that:

The outer rim of the ring extends straight down, and the outer rim at the top of the bracket has the table being matched therewith Face.

3. loudspeaker as claimed in claim 1 or 2, it is characterised in that: the lower edge of the outer rim of the ring is no more than the branch The lower edge of the outer rim at the top of frame, and the bracket includes the horizontal sides extended radially outward under the outer rim at top Edge.

4. loudspeaker according to claim 1 or 2, it is characterised in that:

The curved portion of the ring relative to from the highest point of the curved portion along the loudspeaker vertical direction extend Axis is symmetrical.

5. loudspeaker according to claim 1 or 2, it is characterised in that:

The curved portion of the ring relative to from the highest point of the curved portion along the loudspeaker vertical direction extend Axis is asymmetrical, and the highest point is radially outward deviated relative to the midpoint of the width of the curved portion or radial direction It is offset inward.

6. loudspeaker according to claim 1 or 2, it is characterised in that:

The highest point of the ring constitutes wavy shape in the horizontal direction of loudspeaker.

7. loudspeaker according to claim 1 or 2, it is characterised in that:

The outer rim of the ring is by bonding or snaps connection on the bracket.

8. loudspeaker according to claim 1 or 2, it is characterised in that:

The vibrational structure further includes playing wave, and the outer rim for playing wave is connect with the bracket in the vertical direction.

9. loudspeaker according to claim 1 or 2, it is characterised in that:

The ring is made of one of rubber, polyurethane and foam or more persons.

10. loudspeaker according to claim 1 or 2, it is characterised in that:

The loudspeaker is the loudspeaker of axially symmetric structure or the loudspeaker of nonaxisymmetric structure.

11. loudspeaker according to claim 1 or 2, it is characterised in that:

The loudspeaker is racetrack loudspeaker or sequence shaped loudspeaker.

12. loudspeaker according to claim 1 or 2, it is characterised in that further include:

Magnetic circuit system, the magnetic circuit system include magnetic gap；

The vibrational structure further includes the voice coil for playing wave and connecting with bullet wave, can be suspended in magnetic gap.

13. loudspeaker according to claim 1 or 2, it is characterised in that:

The loudspeaker is passive radiator.