CN209250873U - A kind of superlinearity loudspeaker - Google Patents

Abstract

The utility model relates to a kind of superlinearity loudspeakers, include: frame, the magnetic circuit system being configured in frame and a vibrational system, and magnetic circuit system includes center magnetic portion and the side magnetic portion for being located on the center periphery Ci Bu, and side magnetic portion and center magnetic portion accompany a magnetic gap.Vibrational system include be sheathed on the periphery in center magnetic portion and penetrate the voice coil of magnetic gap along the vertical direction, be adhered to the centring disk on the downside of voice coil and being supported in frame, downside is connected to the first vibrating diaphragm of voice coil upper end；Voice coil leads on voice coil support and are fixed in the centring disk and voice coil leads are electrically connected the circuit being configured on the centring disk.The voice coil leads extracted from voice coil are supported and are fixed on centring disk, so that voice coil leads will not be vacantly arranged, simultaneously, voice coil leads are not required to bypass other components of inside loudspeakers after extracting from voice coil by bending, by the circuitry instead voice coil leads on centring disk, the easily broken problem of voice coil leads is solved to reach.

Description

A kind of superlinearity loudspeaker

Technical field

The utility model relates to electro-acoustic conversion device technical field, is related to a kind of superlinearity loudspeaker.

Background technique

Loudspeaker is the important acoustic element in electronic equipment, is a kind of energy converter for electric signal being changed into acoustical signal Part.Existing loudspeaker mould group, including shell, and magnetic circuit system inside the shell and vibrational system, the vibration are set System includes vibrating diaphragm and the voice coil that is arranged in below vibrating diaphragm.Voice coil drives vibrating diaphragm to be sent out under the effect of vibration of magnetic circuit system Sound.

Lead inevitably generates tractive force to voice coil, vibrating diaphragm.A pair of lead wires is generally drawn from the side of voice coil ontology Out, thus voice coil ontology, vibrating diaphragm include positioned at lead extraction location outlet side and voice coil leads extraction location opposite side phase Opposite side.Since the tractive force that voice coil leads outlet side and opposite side are subject to is inconsistent, and then cause the amplitude of vibrating diaphragm two sides different The amplitude of sample, outlet side is small, and the amplitude of opposite side is big, so as to cause resonance.Resonance problems will lead to product and be easy to appear voice coil The problems such as lead broken string, Dysacousia.In view of the above problems, the application is inventors herein proposed.

Utility model content

To be solved in the utility model is the easily broken technical problem of voice coil leads of existing loudspeaker.

The utility model is realized in this way a kind of superlinearity loudspeaker, includes: frame is configured in the frame One magnetic circuit system and a vibrational system, the magnetic circuit system include center magnetic portion and the side for being located on the periphery the center Ci Bu Magnetic portion, side magnetic portion and center magnetic portion accompany a magnetic gap；The vibrational system includes to be sheathed on center magnetic portion Periphery and on the downside of penetrating the voice coil of the magnetic gap along the vertical direction, being adhered to the voice coil and be supported in the frame Centring disk, downside are connected to the first vibrating diaphragm of the voice coil upper end；Voice coil leads on the voice coil support and are fixed in institute It states centring disk and the voice coil leads is electrically connected the circuit being configured on the centring disk.

Preferably, the centring disk includes to support the first end of the voice coil, along the radial position of the voice coil The second end in the outside of the first end, the second end are adhered to the frame；The first end is configured with the One interconnecting piece, the voice coil leads are fixed by welding in the first connecting portion.

Preferably, the vibrational system includes the second vibrating diaphragm being located on the downside of the centring disk, the second vibrating diaphragm packet Containing being adhered to the first support portion of the first end, be adhered to the second support portion of the second end and be sandwiched in described The second flanging between first support portion and second support portion；The centring disk includes the first end and described the Hollow-out parts between two ends.

Preferably, configured with the second connecting portion for being electrically connected to the first connecting portion, the basin on the second end Frame opens up the opening of oriented its exterior space exposure second connecting portion.

Preferably, the second connecting portion is located at the downside of the centring disk, it is adhered on the upside of the second end The frame；Wherein, on the centring disk configured be connected to the first connecting portion and second connecting portion by copper foil system Standby circuit.

Preferably, being configured with hot molten column, the hot molten column centering branch that upside is Nian Jie with the frame in the frame Piece is further pressed and is attached in the frame.

Preferably, the periphery of the voice coil along the vertical direction on section be square structure, the centring disk is set as 2 It is a；The centring disk is divided on two short side of voice coil；The periphery of the frame along the vertical direction on section be it is rectangular Structure, the centring disk are fixed in the frame by the hot molten column being configured on four corners of frame.

Preferably, the frame includes a bracket, the bottom cover being configured on the downside of bracket, accompanied between the bottom cover and bracket Side magnetic portion is sandwiched in centre by one annular washer, the bottom cover and the annular washer；Wherein, the outer ring of first vibrating diaphragm Portion is adhered to the upside of the bracket.

Preferably, offering a limiting slot on the centring disk, the limiting slot includes described to support and be bonded The first confined planes on the downside of voice coil, be attached at the voice coil periphery wall the second confined planes.

Preferably, including an accommodation groove on the centring disk, the voice coil leads are placed in institute after being drawn by voice coil It states in accommodation groove；Wherein, the voice coil leads are fixed by welding in the accommodation groove.

By using above-mentioned technical proposal, the utility model can obtain following technical effect:

Superlinearity loudspeaker provided by the utility model, the voice coil leads extracted from voice coil are welded and fixed with centring disk Together, so that voice coil leads will not be vacantly arranged, meanwhile, voice coil leads are not required to after extracting from voice coil bypass by bending and raise Other components inside sound device, by the circuitry instead voice coil leads on centring disk, so that it is easily broken to reach solution voice coil leads The problem of.

In the second embodiment of superlinearity loudspeaker provided by the utility model, centring disk pressed by hot molten column attached On bracket, so that it is opposite, to be only bonded in the method on bracket with glue more secured and affixed by hot molten column and bracket Centring disk together will not be detached from because of prolonged vibration with bracket.

In the 3rd embodiment of superlinearity loudspeaker provided by the utility model, a limiting slot is offered on centring disk, Have thereon to be bonded the first confined planes of the bottom side of voice coil and the second confined planes of the side wall to be bonded voice coil.This Shen Please in voice coil two short sides lateral wall by be bonded and be fitted on the second confined planes to inhibit voice coil and centering branch The resonance of piece, so that voice coil and the fully synchronized vibration of centring disk, so that it is easy to reach the problems such as solution voice coil leads are because of resonance Disconnected effect.

Detailed description of the invention

Fig. 1 and Fig. 2 is the structural schematic diagram of the superlinearity loudspeaker of the utility model.

Fig. 3 and Fig. 4 is the structural schematic diagram of each component cooperation of the superlinearity loudspeaker of the utility model.

Fig. 5 is the centring disk of the first embodiment of the utility model and the structural schematic diagram of vibrating diaphragm.

Fig. 6 is the voice coil of the first embodiment of the utility model and the structural schematic diagram of frame.

Fig. 7 is the centring disk of the first embodiment of the utility model and the structural schematic diagram of voice coil and voice coil leads.

Fig. 8 is the frame of the utility model and its structural schematic diagram of upper opening.

Fig. 9 is the structural schematic diagram of the hot molten column of the second embodiment of the utility model.

Figure 10 is the structural schematic diagram of the limiting slot of the 3rd embodiment of the utility model.

Figure 11 is the limiting slot of the 3rd embodiment of the utility model and the structural schematic diagram of accommodation groove.

Attached drawing mark

1- frame, 11- bracket, 12- bottom cover, 13- opening, 2- vibrational system, the first vibrating diaphragm of 21-, 211- inner ring portion, 212- Outer ring portion, the first flanging of 213-, patch in 214-, 22- centring disk, 23- voice coil, 231- voice coil leads, the second vibrating diaphragm of 24-, 221- first end, 222- the second end, 223- first connecting portion, 224- second connecting portion, 225- limiting slot, 226- first are limited Plane, the second confined planes of 227-, 228- accommodation groove, 3- magnetic circuit system, the center 31- magnetic portion, the side 32- magnetic portion, the first washer of 33-, The second washer of 34-, S1- short side.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

It is described in detail now in conjunction with structure and function of the Fig. 1 to Figure 11 to the scheme of the application.

In conjunction with Fig. 1 to Fig. 9, the first embodiment of the utility model provides a kind of superlinearity loudspeaker.Referring to figs. 1 to Fig. 4, The loudspeaker includes frame 1, a magnetic circuit system 3 and a vibrational system 2.Magnetic circuit system 3 includes center magnetic portion 31 and is located on The side magnetic portion 32 of the center periphery Ci Bu31, side magnetic portion 32 and center magnetic portion 31 accompany a magnetic gap.Vibrational system 2 includes a voice coil 23, centring disk 22 and one first vibrating diaphragm 21.It the periphery for being sheathed on center magnetic portion 31 of voice coil 23 and penetrates along the vertical direction Magnetic gap, centring disk 22 are adhered to 23 downside of voice coil.With reference to Fig. 7, voice coil leads 231 draw rear support in centering by voice coil 23 In branch piece 22, and it is electrically connected to the circuit being configured on centring disk 22.It is understood that in present embodiments Centring disk 22 is FPC.

With reference to Fig. 5, the first vibrating diaphragm 21 includes an outer ring portion 212, an inner ring portion 211 and is sandwiched in outer ring portion 212 and inner ring The first flanging 213 between portion 211.Frame 1 includes a bracket 11, the bottom cover 12 being configured on the downside of bracket 11, bottom cover 12 and branch The second washer 34 of an annular is accompanied between frame 11, side magnetic portion 32 is sandwiched in centre by bottom cover 12 and the second washer 34.Wherein, first The outer ring portion 212 of vibrating diaphragm 21 is adhered to the upside of bracket 11, and bottom cover 12 is fastenedly connected with bracket 11.In the present embodiment, voice coil 23 periphery along the vertical direction on section be square structure, and the structure of specially length direction, four angle edge R mistakes It crosses.In conjunction with Fig. 6 and Fig. 7, vibrational system 2 includes that there are two centring disks 22, is divided on 23 liang of short side S1 of voice coil.Each centering branch Piece 22 include first end 221, along voice coil 23 radial direction be located at first end 221 outside the second end 222.Respectively Be configured with first connecting portion 223 on position on first end 221 at neighbouring each angle R, in the present embodiment, voice coil leads 231 by Voice coil 23 draws rear support in first connecting portion 223, and is fixed in first connecting portion 223 by welding.Pass through Voice coil leads 231 are supported and are welded in first connecting portion 223, so that lead will not be vacantly arranged.The of centring disk 22 Two ends 222 are adhered on bracket 11, wherein the upper side of the second end 222 is adhered to the downside of bracket 11.

In conjunction with Fig. 1 to Fig. 5, the vibrational system 2 of the present embodiment also includes the second vibrating diaphragm 24, which is located at fixed The downside of heart branch piece 22, the second vibrating diaphragm 24 include the first support portion, the second support portion and are sandwiched in the first support portion and second The second flanging between support portion.First support portion is adhered to first end 221, the second support portion is adhered to the second end 222, centring disk 22 includes the hollow-out parts between first end 221 and the second end 222.Wherein, first end 221 and second Connection does not turn off between end 222.Vibrational system 2 includes to correspond respectively to two centering branch there are two the second vibrating diaphragm 24 Piece 22.This two the second vibrating diaphragms 24 are for increasing damping.Two centring disks 22 and thereon two second vibrations are respectively configured Film 24 increases support force to vibrational system 2, and further stabilizes vibrational system 2 and further decrease vibrational system 2 Resonance, therefore the linear movement of vibrational system 2 greatly improved and the power of loudspeaker can be pushed away into get Geng Gao, and obtained with this Higher frequency response and lower distortion.It is understood that in the present embodiment, voice coil 23, centring disk 22, bracket 11 with And second vibrating diaphragm 24 be fastened as a whole.

In conjunction with Fig. 5 and Fig. 7, configured with being electrically connected to the of first connecting portion 223 on the second end 222 of centring disk 22 Two interconnecting pieces 224, frame 1 open up the opening 13 of oriented its exterior space exposure second connecting portion 224.Second connecting portion 224 In the downside of centring disk 22, i.e. second connecting portion 224 is configured towards downside, and the upside of the second end 222 is then adhered to bracket 11 downside.Configured with the circuit for being connected to first connecting portion 223 and second connecting portion 224 on centring disk 22, wherein the electricity Road is prepared by copper foil.The centring disk 22 of the present embodiment is prepared by elastic material.It is, of course, understood that other Embodiment in, centring disk 22 can also be prepared by copper foil.

With reference to Fig. 2, the periphery of bracket 11 is rectangular structure, upper two second connecting portion 224 of each centring disk 22 On two corners of the short side S1 of bracket 11.With reference to Fig. 8, oriented the second connection of its exterior space exposure is opened up on bottom cover 12 The opening 13 in portion 224.By the opening 13, second connecting portion 224 is used as the contact of SPK.

In the present embodiment, in conjunction with Fig. 2 and Fig. 3, loudspeaker also includes the first China for being configured at 31 upside of center magnetic portion Department 33, and it is adhered to the middle patch 214 of the upside in the inner ring portion 211 of the first vibrating diaphragm 21, patch 214 is to provide the first vibrating diaphragm in this 21 rigidity.

Different from first embodiment, with reference to Fig. 9, the application separately provides an embodiment, in a second embodiment, in frame 1 Configured with hot molten column, by centring disk 22, further pressure is attached on bracket 11 hot molten column from lower to upper, so that centring disk 22 In the case where bonding together with bracket 11, it is further fastenedly connected with bracket 11, so that the stress between them is complete It is connected, and will not be separated in vibration entirely.Wherein, tool corresponds respectively to four the there are four hot molten column altogether in this implementation The position of two interconnecting pieces 224, four hot molten columns are located on four corners of bracket 11.The unmentioned other spies of second embodiment Property can be identical with the first embodiment, and adoptable variant embodiment and its advantages can be also identical with the first embodiment, So it will not be repeated.

Different from first or second embodiments, the application separately provides an embodiment, in the third embodiment, with reference to Figure 10, A limiting slot 225 is offered on centring disk 22, limiting slot 225 includes the first limit to support and be bonded 23 downside of voice coil Face 226, be attached at voice coil 23 periphery wall the second confined planes 227.By in the first confined planes 226 and the second confined planes 227 It applies glue, to two centring disks 22 are Nian Jie with voice coil 23 and be fixed together.Wherein, the first confined planes 226 are with one Limit voice coil 23 along the vertical direction on orientation, be then connected to the second confined planes 227 positioned at the lateral wall of 23 liang of short side S1 of voice coil, To inhibit voice coil 23 in issuable resonance when the vibrations are up and down, meanwhile, so that voice coil 23 will not with respect to two centring disks 22 generate laterally or longitudinally upper offset, further such that voice coil 23 reaches complete synchronous with vibration with centring disk 22, i.e., from Voice coil 23 is inner to draw and is also same by the activity of the voice coil leads 231 and centring disk 22 that are fixedly welded on centring disk 22 Step.The unmentioned other characteristics of 3rd embodiment can be identical as first or second embodiments, and adoptable deformation implementation side Formula and its advantages also can be identical as first or second embodiments, and so it will not be repeated.

Based on 3rd embodiment, the application separately provides an embodiment, in the fourth embodiment, with reference to Figure 11, centring disk It include an accommodation groove 228 on 22, voice coil leads 231 are placed in accommodation groove 228 after being drawn by voice coil 23.The accommodation groove 228 In limiting the positions of voice coil leads 231, directly supporting it after the extraction of voice coil 23 and being fixed on centring disk 22.? In this case, voice coil leads 231 do not need hanging part when guiding on centring disk 22 from voice coil 23, with the first limit Face 226 and the second confined planes 227, voice coil leads 231 fix as one with voice coil 23 with locating branch slice, in the repressed feelings of resonance Under condition, reaches and solve the easily broken technical problem of voice coil leads 231.Wherein, the voice coil leads 231 of the present embodiment are by being welded and fixed In accommodation groove 228.As shown, accommodation groove 228 passes through second connecting portion 224, realize that voice coil leads 231 are welded in centering branch When on piece 22, it is electrically connected with second connecting portion 224.Further, accommodation groove 228 is connected to limiting slot 225.It is understood that , in other embodiments, in the case where not opening up limiting slot 225, accommodation groove can be also offered on centring disk 22 228 (not shown), the voice coil leads 231 drawn from voice coil 23 are contained directly in the accommodation groove 228, and keep it solid by welding Due on centring disk 22.The unmentioned other characteristics of fourth embodiment can be identical as 3rd embodiment, and adoptable deformation Embodiment and its advantages also can be identical as 3rd embodiment, and so it will not be repeated.

When welding, welding fluid or weldering pearl may splash the inside of loudspeaker and influence properties of product, voice coil and fixed When heart branch piece 22 is bonded, glue is also possible to splash the reliability that welding region leads to rosin joint and influences loudspeaker.Therefore, different In first, second, third or fourth embodiment, the application one embodiment is separately provided, it is advanced optimized, in the 5th embodiment In, voice coil leads 231 draw rear support in first connecting portion 223 by voice coil 23, and are fixed on the first company by conductive glue In socket part 223.Wherein, conductive glue can provide electric conductivity, and voice coil leads 231 can be firmly bonded in centering branch On piece 22.Meanwhile it can solve welding because weld part caused by inappropriate technology is unstable or leg removing easy to oxidize and draws Line fault is played, meanwhile, environmental pollution caused by heavy metal lead in tin-lead solder is avoided, if the case where also avoiding welding The case where lower welding position is by the rosin joint that glue of the voice coil 23 when Nian Jie with centring disk 22 is influenced and is occurred, strengthens loudspeaking The reliability of device.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of superlinearity loudspeaker, includes: frame, the magnetic circuit system being configured in the frame and a vibrational system, The magnetic circuit system includes center magnetic portion and the side magnetic portion for being located on the periphery the center Ci Bu, side magnetic portion and the center Magnetic portion accompanies a magnetic gap；It is characterized in that,

The vibrational system include be sheathed on center magnetic portion periphery and penetrate along the vertical direction the magnetic gap voice coil, It is adhered to the centring disk on the downside of the voice coil and being supported in the frame, downside is connected to the first of the voice coil upper end and shakes Film；

Voice coil leads on the voice coil support and are fixed in the centring disk and voice coil leads electrical connection is configured at institute State the circuit on centring disk.

2. superlinearity loudspeaker according to claim 1, which is characterized in that the centring disk includes described to support The first end of voice coil, the second end along the outside for being radially disposed in the first end of the voice coil, the second end are viscous It is connected to the frame；

The first end is configured with first connecting portion, and the voice coil leads are fixed by welding in the first connecting portion.

3. superlinearity loudspeaker according to claim 2, which is characterized in that the vibrational system includes to be located at the centering The second vibrating diaphragm on the downside of branch piece, second vibrating diaphragm include the first support portion for being adhered to the first end, be adhered to it is described Second support portion of the second end and the second flanging being sandwiched between first support portion and second support portion；Institute Stating centring disk includes the hollow-out parts between the first end and the second end.

4. superlinearity loudspeaker according to claim 2, which is characterized in that be configured with and be electrically connected on the second end The second connecting portion of the first connecting portion, the frame open up opening for oriented its exterior space exposure second connecting portion Mouthful.

5. superlinearity loudspeaker according to claim 4, which is characterized in that the second connecting portion is located at centering branch The downside of piece is adhered to the frame on the upside of the second end；Wherein, described configured with being connected on the centring disk The circuit of first connecting portion and second connecting portion prepared by copper foil.

6. superlinearity loudspeaker according to any one of claims 1 to 5, which is characterized in that configured with hot melt in the frame The upside centring disk Nian Jie with the frame is further pressed and is attached in the frame by column, the hot molten column.

7. superlinearity loudspeaker according to claim 6, which is characterized in that the periphery of the voice coil along the vertical direction on Section is square structure, and the centring disk is set as 2；The centring disk is divided on two short side of voice coil；It is described The periphery of frame along the vertical direction on section be square structure, the centring disk is by being configured on four corners of frame Hot molten column be fixed in the frame.

8. superlinearity loudspeaker according to claim 1, which is characterized in that the frame includes a bracket, is configured at branch Bottom cover on the downside of frame accompanies the second washer of an annular between the bottom cover and bracket, the bottom cover and second washer will Side magnetic portion is sandwiched in centre；Wherein, the outer ring portion of first vibrating diaphragm is adhered to the upside of the bracket.

9. superlinearity loudspeaker according to claim 1, which is characterized in that offer a limit on the centring disk Slot, the limiting slot include the periphery to support and be bonded the first confined planes on the downside of the voice coil, be attached at the voice coil Second confined planes of wall.

10. superlinearity loudspeaker according to claim 1, which is characterized in that include an accommodating on the centring disk Slot, the voice coil leads are placed in the accommodation groove after being drawn by voice coil；Wherein, the voice coil leads are fixed by welding in In the accommodation groove.