CN207369296U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN207369296U CN207369296U CN201721428196.XU CN201721428196U CN207369296U CN 207369296 U CN207369296 U CN 207369296U CN 201721428196 U CN201721428196 U CN 201721428196U CN 207369296 U CN207369296 U CN 207369296U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- elastic body
- anchoring elastic
- diving board
- voice coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of loudspeaker, including vibrational system, vibrational system includes diving board.The loudspeaker of the utility model, increases its range of linearity, and the two sections of arc designs of anchoring elastic body can increase its range of linearity；With higher structural strength, flexible material is indeformable after working long hours.Distortion reduces by more than 30%；Vibrational system uniform force, no rocking vibration produce, and rocking vibration probability is reduced to less than 10% by 90%；Flexible structure substitutes lead, and mechanical strength is better than voice coil line, and fatigue broken string caused by high frequency time is pullled will not be produced after loudspeaker long-term work, better than the hanging scheme of voice coil line in mainstream scheme and immerses metal layered scheme；Magnetic circuit system design symmetry makes voice coil loudspeaker voice coil each position uniform force, suppresses the generation of rocking vibration；Flexible structure matches with various mainstream diaphragm materials is combined into loudspeaker, wide from diaphragm material and thickness effect, use scope；The mechanical strength of conductive layer is more than deposition conductive layer or electrolytic conduction layer.
Description
Technical field
A kind of loudspeaker is the utility model is related to, belongs to technical field of electronic equipment.
Background technology
With the fast development of the electronics industry such as wireless telecommunications, as the primary terminal of wireless telecommunications, smart mobile phone is in work(
Energy, appearance, reliability etc. are progressive obvious.The fast development of smart mobile phone has also driven the continuous of mobile phone electroacoustic industry at the same time
Renewal progress, people correspond to the electro-acoustic element being used in mobile phone and propose new requirement：Small size, high-power, high loudness, shake greatly
Width, low distortion.
Prior art：The conducting of conventional loudspeakers voice coil loudspeaker voice coil relies on two conducting wires drawn from voice coil loudspeaker voice coil body.In routine
In the design of loudspeaker, this two conducting wire middle parts are vacantly fixed on diaphragm surface in loudspeaker, or by flexible glue, and draw
Line endpoints need to be fixedly connected with the pad in frame, therefore lead overhead positions can produce relatively with vibrational system during speaker operation
Vibration, easily produces broken string because of the fatigue resistance of voice coil line deficiency after working long hours, causes speaker fail.In addition lead
The stress balance of vibrational system can be had an impact by drawing the glue of shape and anchor leg, cause product vibrational system not
Produce rocking vibration with position discontinuity, so cause it is high-power under the conditions of loudspeaker vibrational system and magnetic circuit system
Collision, influences the output power of loudspeaker.
Patent No. 201510204166.X proposes one kind using laser etching technology corrosion membrane surface and deposits conductive layer
To replace the scheme of hanging voice coil line, by laser etching techniques in two symmetrical wire casings of surface etch of silica gel vibrating diaphragm, gold
Belong to deposition technique and a conductive metal layer is deposited in every wire casing, the both ends weld part of every conductive metal layer is distinguished
With voice coil loudspeaker voice coil and pad solder, so as to fulfill the connection of voice coil loudspeaker voice coil and pad.But since diaphragm thickness limits, conductive deposits layer intensity is not
Foot, can not prevent the fatigue cracking of sedimentary；And under same thickness, the tensile strength for depositing conductive layer is weaker than calendering conduction material
Material, fatigue fracture is easily led to after vibrating for a long time.In addition the program can only tackle corrodible diaphragm material, such as silica gel material
Material, use scope are smaller.
Patent No. 201320868264.X uses FPC（Flexible printed circuit board）Diving board replaces the scheme of voice coil line, it is logical
Cross and weld tabs is arranged on FPC diving boards, realize that voice coil loudspeaker voice coil is turned on extraneous electric signal using the elasticity arm of FPC diving boards, and
Weld tabs and voice coil leads synchronous vibration, greatly reduce voice coil leads fracture or the risk to come off from weld tabs.But current programme
The larger range of linearity is not realized by the bending of stereo directional, that is, product short transverse of FPC, works long hours and is also easy to produce FPC
Elasticity arm permanent deformation, causes speaker performance abnormal；And four elasticity arms are not axially and symmetrically to set, vibration system is not implemented
Unite each position uniform force, can not solve the problems, such as rocking vibration.
Fig. 1 is the similar scheme FPC diving boards stress simulation figure of patent No. 201320868264.X, the depth in four elasticity arms
Color Regional Representative's stress centrostigma.As shown in Figure 1, the stress concentrated position of four elasticity arms of this scheme is not axially symmetric, therefore
This scheme can not fundamentally solve the problems, such as speaker vibration system discontinuity.
The content of the invention
The technical problems to be solved in the utility model is the deficiency for more than, there is provided a kind of loudspeaker, it is linear to increase its
Scope, and there is higher structural strength, flexible material is indeformable after working long hours, low distortion design；Make loudspeaker vibration
System uniform force, no rocking vibration produce, and are conducive to the high-power performance of loudspeaker；High mechanical strength, it is possible to increase vibration system
The support strength of system, suppresses the generation of rocking vibration, and high frequency time will not be produced after loudspeaker long-term work and pulls caused fatigue
Broken string；Use scope is wide, from diaphragm material and thickness effect.
To solve above technical problem, the utility model uses following technical scheme：A kind of loudspeaker, including vibration system
System, the vibrational system include diving board.
A kind of prioritization scheme, is designed with four axially symmetric anchoring elastic bodies on the diving board.
Further, the diving board further includes diving board body, terminal, the first pad terminal and the second pad terminal；
Described anchoring elastic body one end connects diving board body, anchoring elastic body other end connection terminal, the diving board body
On be provided with the first pad terminal, the second pad terminal.
Further, the both ends width of the anchoring elastic body is greater than or equal to or less than intermediate width.
Further, the anchoring elastic body is bent in in-plane.
Further, the anchoring elastic body is designed in stereo directional for one section of arc, and anchoring elastic body is symmetrical.
Further, the anchoring elastic body is designed in stereo directional for one section of arc, and anchoring elastic body is left-right asymmetry, arc
Push up deflection to the right.
Further, the anchoring elastic body is designed in stereo directional for one section of arc, and anchoring elastic body is left-right asymmetry, arc
Push up deflection to the left.
Further, the anchoring elastic body is designed in stereo directional for one section of arc, and anchoring elastic body is one section of arc both ends
Not contour design.
Further, the anchoring elastic body is designed in stereo directional for multistage arc.
Further, the anchoring elastic body includes two sections of arcs or three sections of arcs in stereo directional.
Further, the anchoring elastic body is combined using the shape of plane and stereo directional.
Wherein, in-plane refers to direction of the anchoring elastic body on parallel to paper plane；Stereo directional refers to anchoring elastic
Body is in the direction in paper plane.
Further, the material of the diving board is flexible material.
Further, the diving board further includes conductive layer.
Further, the conductive layer selects calendering copper.
Further, the loudspeaker further includes ring-shaped pole pieces, and the ring-shaped pole pieces hollows out design for interior corner, for keeping away
Position anchoring elastic body.
Further, the vibrational system further includes voice coil loudspeaker voice coil, top dome, flexible sheet, the voice coil loudspeaker voice coil, diving board body, top dome,
Flexible sheet bonds together；
The flexible sheet has receiving space；
The diving board includes four axially symmetric anchoring elastic bodies, one end of four axially symmetric anchoring elastic bodies
Diving board body is connected respectively, and the first pad terminal, the second pad terminal are provided with diving board body；
The other end of four axially symmetric anchoring elastic bodies distinguishes connection terminal, and conduction is additionally provided with the diving board
Layer, the conductive layer are used for electric connection terminal and the first pad terminal or the second pad terminal；
The voice coil loudspeaker voice coil includes the first lead terminal and the second lead terminal；
First lead terminal and the second lead terminal are respectively welded in the first pad terminal and the second pad terminal；
The material of the diving board is flexible material；
The loudspeaker further includes magnetic circuit system；
The magnetic circuit system includes ring-shaped pole pieces, center pole piece, magnet steel and magnetic cover；The ring-shaped pole pieces is axially and symmetrically set
Put, the axially symmetric ring-shaped pole pieces is molded on frame；
Wire connection terminal is provided with shown frame, the wire connection terminal is provided with four, four wire connection terminals point of frame
Four terminals not with diving board are welded to connect, and two of which wire connection terminal is connected with external electric signal, with described two terminals
Two terminals that son is respectively welded are electrically connected to the first pad terminal and the second pad terminal by conductive layer；
The magnetic circuit system is Nian Jie with frame cooperation, and the vibrational system is Nian Jie with frame cooperation, has formed
Whole loudspeaker.
Wherein, anchoring elastic body three-dimensional shape can by optimize any arc shape adapt to loudspeaker respective outer side edges and
Adjust speaker performance；It can be raised one's voice by the respective outer side edges and adjustment for the radian quantity adaptation loudspeaker for increasing anchoring elastic body
Device performance；By adjusting the level of anchoring elastic body both sides anchoring elastic body can be made to be adapted to different height design.Grappling
Elastomer may include the one section of arc or multistage arc of stereo directional bending；Either segment arc in multistage arc also can be by varying radian shape
Shape meets loudspeaker mechanical engagement and performance requirement.Preferably, anchoring elastic body is combined using plane and three-dimensional shape, into
One step improves the mechanically stressed state of anchoring elastic body, and increases the range of linearity of anchoring elastic body, is conducive to the big of loudspeaker
Amplitude, low distortion performance.
The utility model after the above technical solution is adopted, compared with prior art, has the following advantages：
1. the bending process of pair flexible material can increase its range of linearity, current two sections of arcs design can increase by more than 20%
The range of linearity；And there is higher structural strength, flexible material is indeformable after working long hours.These characteristics are conducive to product
Low distortion designs, and testing program distortion at present reduces by more than 30%；
2. the axially symmetric arrangement of anchoring elastic body can make speaker vibration system uniform force, no rocking vibration produces,
Be conducive to the high-power performance of loudspeaker；The rocking vibration probability of testing program product is reduced to less than 10% by 90% at present；Such as
The amplitude measurement of traditional scheme shown in Figure 16 as a result, understand conventional loudspeakers middle low frequency because of vibrational system discontinuity and
Produce rocking vibration；It is the test products amplitude measurement of the utility model shown in Figure 17 as a result, understanding that the utility model tries
Sample is tested because of vibrational system uniform force and balanced vibration, vibrational state is substantially better than traditional scheme；
Loudspeaker amplitude changes with the frequency of input signal；For five measurement points shown in Figure 15, shake due to waving
Dynamic presence, can produce in same frequency, the particularly violent low-frequency range of rocking vibration, the amplitude of five measurement points of same frequency
Raw larger difference, i.e., shown in Figure 16；Produce such as speaker vibration system uniform force, and without rocking vibration, then same frequency
The amplitude of five measurement points can be essentially identical, i.e., shown in Figure 17；
3. flexible structure substitutes lead, flexible structure mechanical strength is better than voice coil line, will not be produced after loudspeaker long-term work
Fatigue broken string, better than the hanging scheme of voice coil line in mainstream scheme and immerses metal layered scheme caused by raw high frequency time is pullled；
4. magnetic circuit system design symmetry can make voice coil loudspeaker voice coil each position uniform force, the generation of rocking vibration can inhibit；
5. flexible structure can match with various mainstream diaphragm materials is combined into loudspeaker, from diaphragm material and thickness shadow
Ring, use scope is wide；
6. the mechanical strength of conductive layer is more than deposition conductive layer or electrolytic conduction layer.
The utility model is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the similar scheme FPC diving boards stress simulation figure of patent No. 201320868264.X；
Fig. 2 is the utility model diving board stress simulation figure；
Fig. 3 is the explosive view of the utility model loudspeaker；
Fig. 4 is the structure diagram of the utility model diving board；
Fig. 5 is the structure diagram of 2 anchoring elastic body of the utility model embodiment；
Fig. 6 is the structure diagram of 3 anchoring elastic body of the utility model embodiment；
Fig. 7 is the structure diagram of 4 anchoring elastic body of the utility model embodiment；
Fig. 8 is the structure diagram of 5 anchoring elastic body of the utility model embodiment；
Fig. 9 is the side structure schematic diagram of 6 anchoring elastic body of the utility model embodiment；
Figure 10 is the side structure schematic diagram of 7 anchoring elastic body of the utility model embodiment；
Figure 11 is the side structure schematic diagram of 8 anchoring elastic body of the utility model embodiment；
Figure 12 is the side structure schematic diagram of 9 anchoring elastic body of the utility model embodiment；
Figure 13 is the side structure schematic diagram of 10 anchoring elastic body of the utility model embodiment；
Figure 14 is the side structure schematic diagram of 11 anchoring elastic body of the utility model embodiment；
The point layout of Figure 15 loudspeaker amplitude measurements；
Figure 16 is traditional scheme loudspeaker amplitude measurement curve example；
Figure 17 is the utility model loudspeaker amplitude measurement curve example；
In figure,
1- magnetic covers, 2- flexible sheets, 3- top domes, 4- diving boards, the first pad terminals of 41a-, the second pad terminals of 41b-, 42-
Diving board body, 43- anchoring elastic bodies, 44- terminals, 45- conductive layers, 5- voice coil loudspeaker voice coils, the first lead terminals of 51a-, 51b-the second draw
Line terminals, 6- frame, 61- wire connection terminals, 7- ring-shaped pole pieces, 8- centers pole piece, 9- magnet steel, 91- centers magnet steel, the first sides of 92-
Magnet steel, the second sides of 93- magnet steel, the 3rd side magnet steel of 94-, the 4th side magnet steel of 95-.
Embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control brief description of the drawings
Specific embodiment of the present utility model.
A kind of 1 loudspeaker of embodiment
As in Figure 2-4, the utility model provides a kind of loudspeaker
The utility model provides a kind of loudspeaker, it includes the flexible sheet 2 of receiving space, top dome 3, diving board 4, sound
Circle 5, frame 6, axially symmetric ring-shaped pole pieces 7, center pole piece 8, magnet steel 9 and magnetic cover 1.
The material of the diving board 4 is flexible material；
The voice coil loudspeaker voice coil 5 includes the first lead terminal 51a and the second lead terminal 51b；
The the first lead terminal 51a and the second lead terminal 51b of the voice coil loudspeaker voice coil 5 are respectively welded at two first of diving board 4
On pad terminal 41a and the second pad terminal 41b, while voice coil loudspeaker voice coil 5, diving board 4, top dome 3, flexible sheet 2 bond together composition
Vibrational system, the vibrational system avoid two the first lead terminal 51a and the second lead terminal of voice coil loudspeaker voice coil 5 during the motion
Relative motion between 51b and vibrational system, the fatigue damage for preventing prolonged exercise from producing.
Wire connection terminal 61 is provided with shown frame 6, the wire connection terminal 61 is provided with four, four wiring of frame 6
Terminal 61 is welded to connect with four terminals 44 of diving board 4 respectively, and two of which wire connection terminal 61 is connected with external electric signal, with institute
State two terminals 44 that two wire connection terminals 61 are respectively welded and the first pad terminal 41a and second are electrically connected to by conductive layer 45
Pad terminal 41b；
First pad terminal 41a and the second pad terminal 41b are electrically connected two the first lead terminal 51a and the of voice coil loudspeaker voice coil 5
Two lead terminal 51b.
Magnetic circuit system includes：Axially symmetric ring-shaped pole pieces 7, center pole piece 8, magnet steel 9 and magnetic cover 1.Wherein magnet steel 9 wraps
The magnet steel 95 while magnet steel the 93, the 3rd is in magnet steel the 94, the 4th in magnet steel 92, second of magnet steel containing center 91 and first；It is wherein axial right
The ring-shaped pole pieces 7 of title is molded on frame 6.The corner of ring-shaped pole pieces 7 hollows out, for keeping away the anchoring elastic body 43 of a diving board 4.
The axially symmetric of whole magnetic circuit axially and symmetrically can be achieved in ring-shaped pole pieces 7, and the full symmetric of magnetic circuit system is conducive to
The reduction of loudspeaker distortions.
The magnetic circuit system is Nian Jie with the cooperation of frame 6, and the vibrational system is Nian Jie with the cooperation of frame 6, composition
Complete loudspeaker.
At work, external signal is connected to two wire connection terminals 61 of frame 6 to the loudspeaker, in magnetic field after voice coil loudspeaker voice coil energization
Vibrated under the action of power, vibrational system vibration is promoted, so as to fulfill the function of loudspeaker.Since voice coil leads pass through flexible structure
It is synchronized with the movement with vibrational system, the conductive material in flexible structure substitutes hanging voice coil line, avoids voice coil line overhanging portion
Produce, fundamentally solve tired disconnection problem.
In addition axially symmetric anchoring elastic body makes the vibrational system uniform force of loudspeaker, avoids rocking vibration, can
Improve the output power of loudspeaker.
The diving board 4 designs four axially symmetric anchoring elastics to keep the stability of vibrational system on diving board 4
Body 43；
The other end of four axially symmetric anchoring elastic bodies 43 distinguishes connection terminal 44, is additionally provided with the diving board 4
Conductive layer 45, the conductive layer 45 are used for electric connection terminal 44 and first pad terminal 41a or the second pad terminal 41b；
Anchoring elastic body 43 may include the one section of arc or multistage arc of stereo directional bending；
Either segment arc in multistage arc also can meet loudspeaker mechanical engagement and performance requirement by varying radian shape.
Preferably, anchoring elastic body 43 is combined using plane and three-dimensional shape, further improves anchoring elastic body
Mechanically stressed state, and increase the range of linearity of anchoring elastic body, be conducive to large amplitude, the low distortion performance of loudspeaker.
The three dimensional designs of anchoring elastic body 43 are more advantageous to improving the mechanically stressed state of anchoring elastic body, and increase grappling
The range of linearity of elastomer, is conducive to large amplitude, the low distortion performance of loudspeaker.
The corner of the ring-shaped pole pieces 7 hollows out, for keeping away the anchoring elastic body 43 of a flexible structure.The axial direction of ring-shaped pole pieces
Axially symmetric, the full symmetric reduction for being conducive to loudspeaker distortions of magnetic circuit system of whole magnetic circuit symmetrically can be achieved.
Four anchoring elastic bodies 43 of the diving board 4 are symmetric designs, therefore stress is axially symmetric, therefore can be made
Vibrational system uniform force, as shown in Fig. 2, rocking vibration will not be produced.Corresponding with Fig. 1, the simulation result of Fig. 1 structures shows four
A arm of force stress is asymmetric.
Wherein, in-plane refers to shape of the anchoring elastic body on parallel to paper plane；Stereo directional refers to anchoring elastic
Body is in the shape in paper plane.
The utility model can increase the bending process of flexible conducting material its range of linearity, and strong with higher structure
Degree, avoids flexible conducting material from being deformed after working long hours, and the range of linearity increased is conducive to the low distortion design of product.It is soft
The symmetry arrangement of property conductive material can solve the rocking vibration as caused by speaker vibration system discontinuity, be conducive to raise one's voice
The high-power performance of device.Flexible structure substitutes lead, and magnetic circuit system design symmetry is beneficial to speaker performance.
A kind of 2 loudspeaker of embodiment
As shown in figure 5, the utility model also provides another loudspeaker, it is with the difference of embodiment 1：The anchor
Both ends and the centre for determining elastomer 43 are wide.The diving board 4 divides two layers or three-decker.Double-layer structure is base material and conduction
Layer；Three-decker is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.Conductive layer
45 use the calendering copper of 5 μ -20 μ thickness, and such a strength of materials is more than the deposition conductive layer of condition of equivalent thickness.This scenario-frame is simple,
Easy technique realization, anchoring elastic body each position uniform force.
A kind of 3 loudspeaker of embodiment
As shown in fig. 6, the utility model also provides another loudspeaker, it is with the difference of above-described embodiment：Anchor
The both ends width for determining elastomer 43 is more than intermediate width.The diving board 4 divides two layers or three-decker.Double-layer structure for base material and
Conductive layer；Three-decker is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.Lead
Electric layer 45 is using the calendering copper of 5 μ -20 μ thickness, deposition conductive layer of such a strength of materials more than condition of equivalent thickness.This design can make
Reduced during the center section vibration deformation of anchoring elastic body by stress, make the centre position deformation of anchoring elastic body larger, favorably
Improve in the structure design and performance of loudspeaker, can preferentially be answered by limited time in the end positions oscillation space of anchoring elastic body 43
With.
A kind of 4 loudspeaker of embodiment
As shown in fig. 7, the utility model also provides another loudspeaker, it is with the difference of above-described embodiment：Anchor
The both ends width for determining elastomer 43 is less than intermediate width.The diving board 4 divides two layers or three-decker.Double-layer structure for base material and
Conductive layer；Three-decker is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.Lead
Electric layer 45 is using the calendering copper of 5 μ -20 μ thickness, deposition conductive layer of such a strength of materials more than condition of equivalent thickness.This design can make
Increased during the center section vibration deformation of anchoring elastic body 43 by stress, make the centre position deformation of anchoring elastic body smaller,
Anchoring elastic body center oscillation space can be used this scheme by limited time.
A kind of 5 loudspeaker of embodiment
As shown in figure 8, the utility model also provides another loudspeaker, it is with the difference of above-described embodiment：Anchor
It is in certain bending shape in the plane to determine elastomer 43, and the diving board 4 divides two layers or three-decker.Double-layer structure for base material and
Conductive layer；Three-decker is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.Lead
Electric layer 45 is using the calendering copper of 5 μ -20 μ thickness, deposition conductive layer of such a strength of materials more than condition of equivalent thickness.This design can be most
That changes greatly improves the length of anchoring elastic body 43, is conducive to increase the range of linearity of anchoring elastic body 43, is conducive to loudspeaker sound
Learn the optimization of performance.
A kind of 6 loudspeaker of embodiment
As shown in figure 9, the utility model also provides another loudspeaker, it is with the difference of above-described embodiment：Institute
State anchoring elastic body 43 to design for one section of arc, anchoring elastic body 43 includes a segment standard arc in stereo directional.Anchoring elastic body 43
It is symmetrical.The diving board 4 divides two layers or three-decker.Double-layer structure is base material and conductive layer；Three-decker is base material, leads
Electric layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.Conductive layer 45 uses the pressure of 5 μ -20 μ thickness
Prolong copper, such a strength of materials is more than the deposition conductive layer of condition of equivalent thickness.
A kind of 7 loudspeaker of embodiment
As shown in Figure 10, the utility model also provides another loudspeaker, is with the difference of above-described embodiment：Institute
State anchoring elastic body 43 to design for one section of arc, anchoring elastic body 43 includes one section of arc in stereo directional.Anchoring elastic body 43 or so
It is asymmetric.Arc top deflection to the right.The diving board 4 divides two layers or three-decker.Double-layer structure is base material and conductive layer；Three-layered node
Structure is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.5 μ of the use of conductive layer 45-
The calendering copper of 20 μ thickness, such a strength of materials are more than the deposition conductive layer of condition of equivalent thickness.Be conducive to mechanical structure and keep away position, and can
Improve the stress of anchoring elastic body 43, be conducive to the raising of loudspeaker acoustical behavior.
A kind of 8 loudspeaker of embodiment
As shown in figure 11, the utility model also provides another loudspeaker, is with the difference of above-described embodiment：Institute
State anchoring elastic body 43 to design for one section of arc, anchoring elastic body 43 includes one section of arc in stereo directional.Anchoring elastic body 43 or so
It is asymmetric.Arc top deflection to the left.The diving board 4 divides two layers or three-decker.Double-layer structure is base material and conductive layer；Three-layered node
Structure is base material, conductive layer and protective layer.Wherein the preferred polyimides of base material, conductive layer preferably roll copper.5 μ of the use of conductive layer 45-
The calendering copper of 20 μ thickness, such a strength of materials are more than the deposition conductive layer of condition of equivalent thickness.Be conducive to mechanical structure and keep away position, and can
Improve the stress of anchoring elastic body 43, be conducive to the raising of loudspeaker acoustical behavior.
A kind of 9 loudspeaker of embodiment
As shown in figure 12, the utility model also provides another loudspeaker, is with the difference of above-described embodiment：Institute
It is the not contour design in one section of arc both ends to state anchoring elastic body 43, and anchoring elastic body 43 includes one section of arc in stereo directional.Grappling bullet
Property the contour design in 43 both ends of body can not meet with loudspeaker miscellaneous part coordinate all mechanical solutions.The diving board 4 divides
Two layers or three-decker.Double-layer structure is base material and conductive layer；Three-decker is base material, conductive layer and protective layer.Wherein base
The preferred polyimides of material, conductive layer preferably roll copper.Conductive layer 45 uses the calendering copper of 5 μ -20 μ thickness, and such a strength of materials is big
In the deposition conductive layer of condition of equivalent thickness.Such scheme can compatible loudspeaker miscellaneous part to greatest extent size design.
A kind of 10 loudspeaker of embodiment
As shown in figure 13, the utility model also provides another loudspeaker, is with the difference of above-described embodiment：Institute
State anchoring elastic body 43 to design for multistage arc, anchoring elastic body 43 includes two sections of arcs in stereo directional.Be conducive to increase grappling bullet
Property body 43 effective length, the range of linearity of increase anchoring elastic body 43 is conducive to the raising of loudspeaker acoustical behavior.The bullet
Plate 4 divides two layers or three-decker.Double-layer structure is base material and conductive layer；Three-decker is base material, conductive layer and protective layer.Its
The middle preferred polyimides of base material, conductive layer preferably roll copper.Conductive layer 45 uses the calendering copper of 5 μ -20 μ thickness, and such a material is strong
Deposition conductive layer of the degree more than condition of equivalent thickness.
A kind of 11 loudspeaker of embodiment
As shown in figure 14, the utility model also provides another loudspeaker, is with the difference of above-described embodiment：Institute
State anchoring elastic body 43 to design for multistage arc, anchoring elastic body 43 includes three sections of arcs in stereo directional.Be conducive to increase grappling bullet
Property body 43 effective length, the range of linearity of increase anchoring elastic body 43 is conducive to the raising of loudspeaker acoustical behavior.The bullet
Plate 4 divides two layers or three-decker.Double-layer structure is base material and conductive layer；Three-decker is base material, conductive layer and protective layer.Its
The middle preferred polyimides of base material, conductive layer preferably roll copper.Conductive layer 45 uses the calendering copper of 5 μ -20 μ thickness, and such a material is strong
Deposition conductive layer of the degree more than condition of equivalent thickness.
A kind of loudspeaker provided by the utility model, can increase its range of linearity, at present to the bending process of flexible material
Two sections of arc designs can increase by more than 20% range of linearity；And there is higher structural strength, flexible material work long hours after not
Deformation, These characteristics are conducive to the low distortion design of product, and testing program distortion at present reduces by more than 30%；Anchoring elastic body
Axially and symmetrically arrangement can make speaker vibration system uniform force, and no rocking vibration produces, and is conducive to the high-power table of loudspeaker
It is existing；The rocking vibration probability of testing program product is reduced to less than 10% by 90% at present；Flexible structure substitutes lead, flexible structure
Mechanical strength is better than voice coil line, fatigue broken string caused by high frequency time is pullled will not be produced after loudspeaker long-term work, better than mainstream
The hanging scheme of voice coil line in scheme and immerse metal layered scheme；Magnetic circuit system design symmetry can make voice coil loudspeaker voice coil each position stress equal
It is even, it can inhibit the generation of rocking vibration；Flexible structure can match with various mainstream diaphragm materials is combined into loudspeaker, from diaphragm
Material and thickness effect, use scope are wide；The mechanical strength of conductive layer is more than deposition conductive layer or electrolytic conduction layer.
The above is the citing of the utility model preferred forms, wherein the part do not addressed in detail is this area
The common knowledge of those of ordinary skill.The scope of protection of the utility model is subject to the content of claim, any to be based on this reality
The equivalent transformation carried out with new technical inspiration, also within the scope of protection of the utility model.
Claims (17)
1. a kind of loudspeaker, including vibrational system, it is characterised in that：The vibrational system includes diving board（4）.
A kind of 2. loudspeaker as claimed in claim 1, it is characterised in that：The diving board（4）On be designed with four axially and symmetrically
Anchoring elastic body（43）.
A kind of 3. loudspeaker as claimed in claim 2, it is characterised in that：The diving board（4）Further include diving board body（42）, end
Son（44）, the first pad terminal（41a）With the second pad terminal（41b）；
The anchoring elastic body（43）One end connects diving board body（42）, anchoring elastic body（43）Other end connection terminal（44）,
The diving board body（42）On be provided with the first pad terminal（41a）, the second pad terminal（41b）.
A kind of 4. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）Both ends width be more than
Or equal to or less than intermediate width.
A kind of 5. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is curved in in-plane
Folding.
A kind of 6. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is one in stereo directional
Section arc design, anchoring elastic body（43）It is symmetrical.
A kind of 7. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is one in stereo directional
Section arc design, anchoring elastic body（43）It is left-right asymmetry, arc top deflection to the right.
A kind of 8. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is one in stereo directional
Section arc design, anchoring elastic body（43）It is left-right asymmetry, arc top deflection to the left.
A kind of 9. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is one in stereo directional
Section arc design, anchoring elastic body（43）For the not contour design in one section of arc both ends.
A kind of 10. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）It is in stereo directional
Multistage arc designs.
A kind of 11. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）In stereo directional bag
Include two sections of arcs or three sections of arcs.
A kind of 12. loudspeaker as claimed in claim 2, it is characterised in that：The anchoring elastic body（43）Using plane and stand
The shape in body direction is combined.
A kind of 13. loudspeaker as claimed in claim 1, it is characterised in that：The diving board（4）Material be flexible material.
A kind of 14. loudspeaker as claimed in claim 1, it is characterised in that：The diving board（4）Further include conductive layer（45）.
A kind of 15. loudspeaker as claimed in claim 14, it is characterised in that：The conductive layer（45）Select calendering copper.
A kind of 16. loudspeaker as claimed in claim 2, it is characterised in that：The loudspeaker further includes ring-shaped pole pieces（7）, institute
State ring-shaped pole pieces（7）Design is hollowed out for interior corner, for keeping away an anchoring elastic body（43）.
A kind of 17. loudspeaker as claimed in claim 1, it is characterised in that：The vibrational system further includes voice coil loudspeaker voice coil（5）, top dome
（3）, flexible sheet（2）, the voice coil loudspeaker voice coil（5）, diving board body（42）, top dome（3）, flexible sheet（2）Bond together；
The flexible sheet（2）With receiving space；
The diving board（4）Including four axially symmetric anchoring elastic bodies（43）, four axially symmetric anchoring elastic bodies（43）
One end connect diving board body respectively（42）, diving board body（42）On be provided with the first pad terminal（41a）, the second pad terminal
（41b）；
Four axially symmetric anchoring elastic bodies（43）The other end difference connection terminal（44）, the diving board（4）On also set up
There is conductive layer（45）, the conductive layer（45）For electric connection terminal（44）With the first pad terminal（41a）Or the second pad end
Son（41b）；
The voice coil loudspeaker voice coil（5）Including the first lead terminal（51a）With the second lead terminal（51b）；
First lead terminal（51a）With the second lead terminal（51b）It is respectively welded at the first pad terminal（41a）With second
Pad terminal（41b）On；
The diving board（4）Material be flexible material；
The loudspeaker further includes magnetic circuit system；
The magnetic circuit system includes ring-shaped pole pieces（7）, center pole piece（8）, magnet steel（9）With magnetic cover（1）；The ring-shaped pole pieces（7）
Axially and symmetrically set, the axially symmetric ring-shaped pole pieces（7）It is molded in frame（6）On；
Shown frame（6）On be provided with wire connection terminal（61）, the wire connection terminal（61）Four are provided with, frame（6）Four
Wire connection terminal（61）Respectively with diving board（4）Four terminals（44）It is welded to connect, two of which wire connection terminal（61）With external electrical
Signal connects, with described two wire connection terminals（61）Two terminals being respectively welded（44）Pass through conductive layer（45）It is electrically connected to
One pad terminal（41a）With the second pad terminal（41b）；
The magnetic circuit system and the frame（6）Coordinate bonding, the vibrational system and the frame（6）Coordinate bonding, composition
Complete loudspeaker.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208780.2A CN106937224A (en) | 2017-03-31 | 2017-03-31 | One kind does not break balance vibration loudspeaker |
| CN2017102087802 | 2017-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207369296U true CN207369296U (en) | 2018-05-15 |
Family
ID=59425021
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208780.2A Pending CN106937224A (en) | 2017-03-31 | 2017-03-31 | One kind does not break balance vibration loudspeaker |
| CN201711050806.1A Active CN107682790B (en) | 2017-03-31 | 2017-10-31 | Loudspeaker |
| CN201721428196.XU Active CN207369296U (en) | 2017-03-31 | 2017-10-31 | A kind of loudspeaker |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710208780.2A Pending CN106937224A (en) | 2017-03-31 | 2017-03-31 | One kind does not break balance vibration loudspeaker |
| CN201711050806.1A Active CN107682790B (en) | 2017-03-31 | 2017-10-31 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN106937224A (en) |
| WO (1) | WO2018177035A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682790A (en) * | 2017-03-31 | 2018-02-09 | 山东共达电声股份有限公司 | A kind of loudspeaker |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396253B (en) * | 2017-09-05 | 2024-01-30 | 奥音科技（镇江）有限公司 | Electroacoustic conversion device and suspension mechanism thereof |
| CN107566967A (en) * | 2017-09-18 | 2018-01-09 | 东莞市赞歌声学科技有限公司 | A kind of Loudspeaker diaphragm with conducting function |
| CN109788408B (en) * | 2017-11-10 | 2023-08-22 | 惠州迪芬尼声学科技股份有限公司 | Hanging edge structure of loudspeaker |
| CN208638674U (en) * | 2018-08-09 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109587607B (en) * | 2018-12-26 | 2023-11-24 | 常州元太科技有限公司 | Planar spring plate with linear vibration function for super linear loudspeaker |
| CN114697827B (en) * | 2020-12-30 | 2023-06-13 | 华为技术有限公司 | Speaker and terminal device |
| CN112714387B (en) * | 2021-03-26 | 2021-09-07 | 合翔(常州)电子有限公司 | High-power thin sound production device |
| CN217721472U (en) | 2022-04-06 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Sound production device |
| CN217135691U (en) | 2022-04-06 | 2022-08-05 | 瑞声光电科技(常州)有限公司 | Sound monomer |
| CN217116394U (en) | 2022-04-06 | 2022-08-02 | 瑞声光电科技(常州)有限公司 | Sound production device |
| CN217693701U (en) | 2022-04-06 | 2022-10-28 | 瑞声光电科技(常州)有限公司 | Sounding device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008085528A (en) * | 2006-09-27 | 2008-04-10 | Onkyo Corp | Dynamic speaker and speaker system |
| CN201967124U (en) * | 2011-01-07 | 2011-09-07 | 瑞声光电科技(常州)有限公司 | Electromagnetic loudspeaker |
| CN202425026U (en) * | 2011-12-08 | 2012-09-05 | 瑞声光电科技(常州)有限公司 | Sound production device |
| CN203708471U (en) * | 2013-12-26 | 2014-07-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN203984675U (en) * | 2014-07-31 | 2014-12-03 | 歌尔声学股份有限公司 | A kind of sonic transducer vibrating diaphragm and a kind of loud speaker |
| CN104853294B (en) * | 2015-04-23 | 2019-05-24 | 歌尔股份有限公司 | A kind of silica gel vibrating diaphragm, loudspeaker mould group and the method for reprocessing silica gel vibrating diaphragm |
| CN204887431U (en) * | 2015-07-31 | 2015-12-16 | 瑞声光电科技(常州)有限公司 | Miniature loudspeaker |
| CN204929239U (en) * | 2015-08-10 | 2015-12-30 | 常州美欧电子有限公司 | Loudspeaker |
| CN105357615A (en) * | 2015-12-04 | 2016-02-24 | 山东共达电声股份有限公司 | Loudspeaker and diaphragm thereof |
| CN205961439U (en) * | 2016-07-20 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN206640788U (en) * | 2017-03-31 | 2017-11-14 | 山东共达电声股份有限公司 | One kind does not break balance vibration loudspeaker |
| CN106937224A (en) * | 2017-03-31 | 2017-07-07 | 山东共达电声股份有限公司 | One kind does not break balance vibration loudspeaker |
-
2017
- 2017-03-31 CN CN201710208780.2A patent/CN106937224A/en active Pending
- 2017-10-31 CN CN201711050806.1A patent/CN107682790B/en active Active
- 2017-10-31 CN CN201721428196.XU patent/CN207369296U/en active Active
-
2018
- 2018-02-11 WO PCT/CN2018/076193 patent/WO2018177035A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682790A (en) * | 2017-03-31 | 2018-02-09 | 山东共达电声股份有限公司 | A kind of loudspeaker |
| CN107682790B (en) * | 2017-03-31 | 2020-10-27 | 山东共达电声股份有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018177035A1 (en) | 2018-10-04 |
| CN106937224A (en) | 2017-07-07 |
| CN107682790B (en) | 2020-10-27 |
| CN107682790A (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207369296U (en) | A kind of loudspeaker | |
| CN206963061U (en) | Centring disk and the loudspeaker with the centring disk | |
| CN101765044A (en) | Minitype moving-coil electroacoustic transducer | |
| WO2021088937A1 (en) | Sound generation device | |
| CN210016629U (en) | Electroacoustic device | |
| US20200045459A1 (en) | Speaker Assembly | |
| CN110418257A (en) | Sounding device | |
| CN104853294A (en) | Silicone vibrating diaphragm, loudspeaker module and method for reprocessing silicone vibrating diaphragm | |
| CN104581580A (en) | Telephone receiver provided with improved structure | |
| CN215647349U (en) | Four voice coil loudspeaker voice coil lead wire speakers and electronic equipment thereof | |
| CN110719554A (en) | Sound production device and electronic equipment thereof | |
| KR20120016719A (en) | Vibration-lead plate mounted between voice coil plate and diaphragm for flat type speaker | |
| CN110830890B (en) | Voice coil assembly and loudspeaker | |
| CN206196045U (en) | Multi -thread shunt wound voice coil loudspeaker voice coil, speaker monomer and electronic equipment | |
| CN206640788U (en) | One kind does not break balance vibration loudspeaker | |
| CN210629845U (en) | Large-amplitude loudspeaker | |
| CN204442681U (en) | There is the receiver of good power armature | |
| CN201623845U (en) | Mini-type movable coil electroacoustic converting device | |
| CN203722781U (en) | A novel telephone receiver | |
| CN105208499A (en) | Micro acoustic generator and method for manufacturing micro acoustic generator | |
| CN204442618U (en) | Novel bone conduction receiver | |
| WO2021088915A1 (en) | Sound production apparatus and electronic terminal | |
| CN209545864U (en) | A kind of modified form loadspeaker structure | |
| CN209283490U (en) | Sounding device | |
| CN208971802U (en) | A kind of double diaphragm such as magnetic type loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |