CN206650843U - A kind of loudspeaker with mesopore sunk type locating branch slice - Google Patents

Abstract

The utility model discloses a kind of loudspeaker with mesopore sunk type locating branch slice, including：T iron, magnet steel, voice coil loudspeaker voice coil, locating branch slice, taper cone and frame；Locating branch slice is circular convoluted diaphragm, and the outer rim of locating branch slice connects frame, and the mesopore of locating branch slice is socketed on speech coil framework, and the top of speech coil framework is connected with taper cone；The mesopore side wall of locating branch slice is circular conical surface, and the height of mesopore side wall is more than the wave height of locating branch slice, and the bottom of mesopore side wall is less than the bottom of the ripple of locating branch slice and contacted with speech coil framework, and locating branch slice passes through adhesive glue and speech coil framework bonds.Loudspeaker of the present utility model, add the bond area of speech coil framework and locating branch slice, improve the bond quality of locating branch slice and speech coil framework, so that the vibrational system bonding in vibration processes is firm, improve harmonic distortion, and simple in construction, making is easily, cost is low, quality is good, is welcome by client.

Description

A kind of loudspeaker with mesopore sunk type locating branch slice

Technical field

It the utility model is related to speaker technology field, more particularly to a kind of raising one's voice with mesopore sunk type locating branch slice Device.

Background technology

Loudspeaker, such as auto loud hailer, locating branch slice is typically coordinated using sound basin（Also referred to as centring disk, bullet ripple）Knot Structure.When assembling loudspeaker, voice coil loudspeaker voice coil, train wheel bridge, magnet steel and T iron etc. are first combined as magnetic circuit system, then by magnetic circuit system with Balancer is pressed, and magnetic circuit device and balancer installation are integrated.With the development of automobile industry, loudspeaker manufacture Technology is also developed, and the reliability of supersound projector vibrational system bonding is increasingly taken seriously.Vibrational system is influenceed to glue The reason for connecing has a lot, and at present, most of loudspeakers all use the mesopore side wall of the locating branch slice, i.e. locating branch slice of mesopore flat Height it is identical with the wave height of locating branch slice.Because the gap between speech coil framework and the mesopore of locating branch slice is excessive, with And the reason such as material, glue species of the abutting edge of the mesopore of speech coil framework and locating branch slice, speech coil framework and positioning branch can be caused The poor attachment of piece is, it is necessary to improve the bonding quality of locating branch slice and speech coil framework.

Utility model content

In view of this, a technical problem to be solved in the utility model is to provide a kind of with mesopore sunk type positioning branch The loudspeaker of piece, can solve the problem that above mentioned problem.

According to one side of the present utility model, there is provided a kind of loudspeaker with mesopore sunk type locating branch slice, including： T iron, magnet steel, voice coil loudspeaker voice coil, locating branch slice, taper cone and frame；The T iron includes：Chassis and columned magnetic conductor；The magnetic Steel bushing is connected on the magnetic conductor and is connected with the chassis；The voice coil loudspeaker voice coil includes speech coil framework, is twined on the speech coil framework Voice coil loudspeaker voice coil coil is wound with, the speech coil framework is socketed in the upper end of the magnetic conductor；The locating branch slice is circular convoluted diaphragm, The outer rim connection frame of the locating branch slice, the mesopore of the locating branch slice are socketed on the speech coil framework, the voice coil loudspeaker voice coil bone The top of frame is connected with the taper cone；Wherein, the mesopore side wall of the locating branch slice is circular conical surface, the mesopore side wall Highly it is more than the wave height of the locating branch slice, the bottom of the mesopore side wall is less than the bottom of the ripple of the locating branch slice And contacted with the speech coil framework, the locating branch slice is bonded by adhesive glue and the speech coil framework.

Alternatively, the ripple of the locating branch slice two sides tangent with the top circular arc by top circular arc and respectively Composition；The radius R of the top circular arc=[（2δ-H）*2+L*2-δ*2]/[4（H-δ）]；Wherein, δ is diaphragm thickness, and H is described The height of the ripple of locating branch slice, L are the distance between adjacent ripple of the locating branch slice.

Alternatively, the magnet steel includes multi-disc neodymium iron boron material magnetic sheet, and the multi-disc neodymium iron boron material magnetic sheet passes through bonding Agent is bonded together, and forms the magnet steel.

Alternatively, circular counter bore, the center line of the counterbore and the magnetic conductor are provided with the top of the magnetic conductor Center line overlap.

Alternatively, it is provided with annular groove on the upper surface on the chassis.

Alternatively, the annular groove is arranged on the connecting portion on the chassis and the magnetic conductor.

Alternatively, the chassis is cylindric or round table-like, wherein, when the chassis for it is round table-like when, the chassis Bus is straight line or camber line.

Alternatively, the voice coil loudspeaker voice coil coil is wound with the bottom of the speech coil framework；In the side wall of the speech coil framework It is provided with a row or multi-row through hole.

Loudspeaker of the present utility model with mesopore sunk type locating branch slice, by the structure increase for improving locating branch slice The bond area of speech coil framework and locating branch slice, improve the bond quality of locating branch slice and speech coil framework so that vibrated The abutting edge of vibrational system is more firm in journey, and loudspeaker tonequality is outstanding.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only Only it is some embodiments of the utility model, for those of ordinary skill in the art, is not paying creative labor Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of one embodiment of the loudspeaker of the present utility model with mesopore sunk type locating branch slice；

Fig. 2 is the positioning branch in one embodiment of the loudspeaker of the present utility model with mesopore sunk type locating branch slice The connection diagram of piece and speech coil framework.

Embodiment

The utility model is described more fully with reference to the accompanying drawings, wherein illustrating exemplary reality of the present utility model Apply example.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made The every other embodiment obtained, belong to the scope of the utility model protection.It is new to this practicality with reference to figure and embodiment The technical scheme of type carries out many descriptions.

As shown in Figure 1, 2, the utility model provides a kind of loudspeaker with mesopore sunk type locating branch slice, including：T Iron, magnet steel 3, voice coil loudspeaker voice coil, locating branch slice 7, taper cone 8 and frame 9.T iron includes：Chassis 1 and columned magnetic conductor 2.Magnet steel 3 It is socketed on magnetic conductor 2 and is connected with chassis 1.Voice coil loudspeaker voice coil includes speech coil framework 5, and voice coil loudspeaker voice coil coil 6 is wound with speech coil framework 5, Speech coil framework 5 is socketed in the upper end of magnetic conductor 2.

Locating branch slice 7 is circular convoluted diaphragm, and the outer rim of locating branch slice 7 connects frame 9.Locating branch slice 7 has center Through hole, i.e. mesopore.The mesopore of locating branch slice 7 is socketed on speech coil framework 5, and the top of speech coil framework 5 is connected with taper cone 8. The mesopore side wall 71 of locating branch slice 7 is circular conical surface, and the height h of mesopore side wall 71 is more than the wave height H of locating branch slice, mesopore side The bottom of wall 71（That is small end）Less than the bottom of the ripple 72 of locating branch slice, the locating branch slice of formation mesopore sinkage type structure.In The bottom of hole side wall 71 is contacted with speech coil framework 5, and locating branch slice 7 is bonded by adhesive glue and speech coil framework 7.

By a large number of experiments show that, use the locating branch slice of mesopore sunk type, locating branch slice move up and down when, positioning The vibration of branch piece core is maximum with deformation, and periphery is due to being bonded in frame, and amplitude is relatively small, and deformation is also small.Cause This, mesopore sunk type locating branch slice can ensure more preferably be bonded with voice coil loudspeaker voice coil during the vibration of whole branch piece, avoid for a long time when high-power Vibration acutely causes the hidden danger come unglued.

In one embodiment, train wheel bridge 4 is socketed on magnetic conductor 2 and positioned at the top of magnet steel 3.Under taper cone 8 Provided with locating branch slice 7, locating branch slice 7 is connected with speech coil framework 5, positioning branch 7 is annular ripple shape diaphragm, corrugated diaphragm Outer rim connects frame 9, the inner edge connection speech coil framework 5 of corrugated diaphragm, the inner edge gemel connection speech coil framework of corrugated diaphragm 5.Using mesopore sunk type locating branch slice 7, the contact area with speech coil framework 5 is increased, increases storage glue position 73.

Voice coil loudspeaker voice coil coil 6 is provided with speech coil framework 5, the height of the upper end position of voice coil loudspeaker voice coil coil 6 is higher by the upper end of train wheel bridge 4 Position, the height of the lower end position of sound coil 6 are less than the lower end position of train wheel bridge 4.Loudspeaker for 6 inch to 10 inch, sound line The upper end of circle 6 is higher by the upper end 2mm-4mm of train wheel bridge 4, and the lower end of sound coil 6 is less than the lower end 2mm-4mm of train wheel bridge 4.

In one embodiment, the ripple 72 of locating branch slice two sides tangent with top circular arc by top circular arc and respectively Side forms.The radius R of top circular arc=[（2δ-H）*2+L*2-δ*2]/[4（H-δ）], δ is diaphragm thickness, and H is locating branch slice The height of ripple, L are the distance between adjacent ripple of locating branch slice.

The loudspeaker with mesopore sunk type locating branch slice in above-described embodiment, is changed by the structure for improving locating branch slice The defects of kind supersound projector poor attachment, voice coil vibrations process are in uniform magnetic field all the time, suitably add voice coil loudspeaker voice coil bone The bond area of frame and locating branch slice so that vibrational system can be bonded firmly during high-power, large-amplitude vibration, equal bar Under part, the R rings of locating branch slice are reduced, improve harmonic distortion caused by the Non-Linear Vibration during large-amplitude vibration；Also, Simple in construction, it is easy to make, and cost is low, and selling price is low, and the quality of auto loud hailer is good.At present, there is mesopore sunk type to determine The loudspeaker of position branch piece has been widely applied in product development, especially high-power, excursion, is had extraordinary Market application foreground, welcome by client.

In one embodiment, magnet steel 3 includes multi-disc neodymium iron boron material magnetic sheet, and multi-disc neodymium iron boron material magnetic sheet passes through bonding Agent is bonded together, and forms magnet steel 3.Circular counter bore, center line and the magnetic conductor 2 of counterbore are provided with the top of magnetic conductor 2 Center line overlaps.The depth of counterbore can be the 1/3-2/3 of the height of magnetic conductor 2.The magnetic conductor 2 at T iron center has counterbore so that Magnetic saturation density reduces at the counterbore on the top of magnetic conductor 2.

Voice coil loudspeaker voice coil is spiral winding, itself produces magnetic field after inflow current, causes T iron center with the up and down motion of voice coil loudspeaker voice coil The inside magnetic density of magnetic conductor 2 changes.The top of magnetic conductor 2 is provided with circular counter bore, can reduce and be transported up and down by voice coil loudspeaker voice coil T iron post magnetic density variable quantity caused by dynamic, reduce loudspeaker distortions, and the overall weight saving of magnetic circuit can be made.

Annular groove is provided with the upper surface on chassis 1.Annular groove can be arranged on the company on chassis 1 and magnetic conductor 2 Socket part position, the center line of annular groove overlap with the center line of magnetic conductor 2.T iron band is fluted, can guarantee that the stroke of voice coil loudspeaker voice coil, The volume and weight of T iron 1 can effectively be reduced, while improving magnetic conduction efficiency.

Chassis 1 can be cylindric or round table-like.When chassis 1 is round table-like, the bus on chassis 1 is straight line or camber line. There is inclined-plane on chassis 1, the volume and weight of T iron can be reduced, add magnetic conductivity.

An exhausting hole, an exhausting hole can be provided with the side wall of speech coil framework 5 and positioned at the top of voice coil loudspeaker voice coil coil 6 It is uniformly distributed along the circumference of speech coil framework 5.More exhausting holes can be provided with the side wall of speech coil framework 5, on speech coil framework 5 Voice coil loudspeaker voice coil coil 6 is wound with, voice coil loudspeaker voice coil coil 6 is pressed at least on an exhausting hole and covers an at least exhausting hole.The side of speech coil framework 5 Through hole is set on wall, can mitigate voice coil loudspeaker voice coil quality weight, strengthens thermal diffusivity, being worked long hours under high-power is not easily caused voice coil loudspeaker voice coil and breaks Line.

Loudspeaker of the present utility model with mesopore sunk type locating branch slice, add speech coil framework and locating branch slice Bond area, improve the bond quality of locating branch slice and speech coil framework so that vibration system during high-power, large-amplitude vibration System bonding is firm, improves harmonic distortion caused by the Non-Linear Vibration during large-amplitude vibration；Also, simple in construction, system It is easy to make, and cost is low, and selling price is low, and the quality of auto loud hailer is good, is welcome by client.

Above-mentioned any technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, So disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art：Preferable numerical value Scope is only the numerical value that technique effect is obvious or representative in many enforceable numerical value.Because numerical value is more, It is impossible to exhaust, so the utility model just discloses component values to illustrate the technical solution of the utility model, also, it is above-mentioned The numerical value enumerated should not form the limitation that protection domain is created to the utility model.

Meanwhile if above-mentioned the utility model discloses or relate to the parts or structural member of connection fastened to each other, then, Unless otherwise stated, it is fixedly connected and can be understood as：Can releasably it be fixedly connected（Such as use bolt or mode connects for screw）, It can be understood as：It is non-removable to be fixedly connected（Such as riveting, welding）, certainly, connection fastened to each other can also be integral type Structure（Such as manufactured using casting technique is integrally formed）Substituted（Substantially can not be using except integrally formed technique）.

In addition, applied in any technical scheme disclosed in above-mentioned the utility model be used for represent position relationship or shape Term its implication includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model Either component can be assembled by multiple individually parts, or the list that integrally formed technique manufactures Only part.

Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model Among scope.

Claims (8)

1. A kind of 1. loudspeaker with mesopore sunk type locating branch slice, it is characterised in that including：

   T iron, magnet steel, voice coil loudspeaker voice coil, locating branch slice, taper cone and frame；

   The T iron includes：Chassis and columned magnetic conductor；The magnet steel is socketed on the magnetic conductor and connected with the chassis Connect；The voice coil loudspeaker voice coil includes speech coil framework, and voice coil loudspeaker voice coil coil is wound with the speech coil framework, and the speech coil framework is socketed in described The upper end of magnetic conductor；The locating branch slice is circular convoluted diaphragm, and the outer rim of the locating branch slice connects frame, the positioning The mesopore of branch piece is socketed on the speech coil framework, and the top of the speech coil framework is connected with the taper cone；Wherein, it is described The mesopore side wall of locating branch slice is circular conical surface, and the height of the mesopore side wall is more than the wave height of the locating branch slice, described The bottom of mesopore side wall is less than the bottom of the ripple of the locating branch slice and contacted with the speech coil framework, and the locating branch slice leads to Adhesive glue is crossed to bond with the speech coil framework.
2. 2. loudspeaker as claimed in claim 1, it is characterised in that

   Two sides tangent with the top circular arc form the ripple of the locating branch slice by top circular arc and respectively；The top The radius R of end circular arc=[（2δ-H）*2+L*2-δ*2]/[4（H-δ）]；

   Wherein, δ is diaphragm thickness, and H is the height of the ripple of the locating branch slice, and L is the adjacent ripple of the locating branch slice The distance between.
3. 3. loudspeaker as claimed in claim 1, it is characterised in that

   The magnet steel includes multi-disc neodymium iron boron material magnetic sheet, and the multi-disc neodymium iron boron material magnetic sheet is by adhesive bond one Rise, form the magnet steel.
4. 4. loudspeaker as claimed in claim 1, it is characterised in that

   Circular counter bore, the center line weight of the center line of the counterbore and the magnetic conductor are provided with the top of the magnetic conductor Close.
5. 5. loudspeaker as claimed in claim 1, it is characterised in that

   Annular groove is provided with the upper surface on the chassis.
6. 6. loudspeaker as claimed in claim 5, it is characterised in that

   The annular groove is arranged on the connecting portion on the chassis and the magnetic conductor.
7. 7. loudspeaker as claimed in claim 1, it is characterised in that

   The chassis to be cylindric or round table-like, wherein, when the chassis for it is round table-like when, the bus on the chassis for straight line or Camber line.
8. 8. loudspeaker as claimed in claim 1, it is characterised in that

   The voice coil loudspeaker voice coil coil is wound with the bottom of the speech coil framework；Be provided with the side wall of the speech coil framework row or More exhausting holes.