CN201563225U - Shrapnel of a miniature loudspeaker with circuit function - Google Patents

Shrapnel of a miniature loudspeaker with circuit function Download PDF

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Publication number
CN201563225U
CN201563225U CN2009202697274U CN200920269727U CN201563225U CN 201563225 U CN201563225 U CN 201563225U CN 2009202697274 U CN2009202697274 U CN 2009202697274U CN 200920269727 U CN200920269727 U CN 200920269727U CN 201563225 U CN201563225 U CN 201563225U
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CN
China
Prior art keywords
shell fragment
miniature loudspeaker
circuit function
circuit
elastic sheet
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.)
Expired - Fee Related
Application number
CN2009202697274U
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Chinese (zh)
Inventor
王定锋
张平
王晟齐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUIZHOU STATE FAIR ELECTRONICS CO Ltd
Original Assignee
HUIZHOU STATE FAIR ELECTRONICS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUIZHOU STATE FAIR ELECTRONICS CO Ltd filed Critical HUIZHOU STATE FAIR ELECTRONICS CO Ltd
Priority to CN2009202697274U priority Critical patent/CN201563225U/en
Priority to KR2020090016022U priority patent/KR200457584Y1/en
Application granted granted Critical
Publication of CN201563225U publication Critical patent/CN201563225U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Metal Substrates For Printed Circuits (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The utility model relates to a novel shrapnel of a miniature loudspeaker with circuit function, concretely a shrapnel of a miniature loudspeaker, comprising a top-layer insulation film and a conductive shrapnel, wherein the conductive shrapnel is not only used as a support rack of a miniature loudspeaker diaphragm, but also used as a conductive circuit of the miniature loudspeaker. According to the utility model, the high cost of the combination of the shrapnel as the support part and FPC as the electric connection part is reduced and simultaneously the support part is combined with the electric connection part, the use material is greatly reduced and the resource is saved.

Description

Shell fragment with miniature loudspeaker of circuit function
Technical field
The utility model relates to the field of loud speaker, be specifically related to a kind of simple and have the circuit linkage function, simultaneously as the flexible member that supports vibrating diaphragm.
Background technology
Existing miniature loudspeaker is that the vibrating diaphragm with sounding is attached on the rubber-like nonmagnetic steel sheet, the backing material that vibration is replied as vibrating diaphragm, opposite side at steel disc will be welded with the circuit board of solenoid (as FPC then, be flexible PCB) stick on the steel disc, as Figure 1-3 by adhesive sticker.In this structure, its support component and circuit block separate, the making of its stainless steel substrates need be passed through ferric trichloride etching or die-cut, and the making of its FPC is complicated more, need through a series of chemical processing procedures such as boring, heavy copper, copper facing, circuit etchings, and last the installation time, also need by artificial combination together two parts, so whole process has promptly been wasted material, also bigger to the pollution of environment, but also increased manpower.
Existing miniature loudspeaker usually adopts FPC as circuit, sticks a flexible support shell fragment then in FPC circuit back, and welding is loaded onto loudspeaker coil on the FPC solder joint then, at last FPC is bonded on the vibrating diaphragm parts.
Therefore, need a kind of product, the discrete integration of this sandwich construction is become simple structure, simultaneously the double layer of metal of two kinds of functional parts is integrated into layer of metal, and can reduce the use of material, reduce and make flow process, reduce chemical processing procedure and environmental pollution, reduce manpower, reduced cost.
Summary of the invention
The utility model provides a kind of shell fragment of the novel miniature loudspeaker with circuit function, be with elasticity preferred metal or alloy sheet, with have adhesive, handling the dielectric film that exposes solder joint through windowing is combined with each other, adopt traditional wiring board manufacture craft to be etched into circuit and shell fragment figure then or adopt die-cut mode to come out the shell fragment figure is die-cut, re-plating nickel or tin etc. increase weldability as required then, have promptly formed the loud speaker shell fragment with circuit structure and favorable elasticity after the moulding.
According to a specific embodiment of the present utility model, directly with thicker elastomeric material as circuit conductor, substituted original FPC and be bonded in composite construction on the metal clips, reduced cost widely, saved material.
According to the utility model, relate to and have the miniature loudspeaker that is electrically connected and have the single-layer metal structure of the alloy shell fragment of circuit function combining for the shell fragment of alloying metal with as the FPC that is electrically connected as supporting the preferred of vibrating mass in the miniature loudspeaker, forming.
In original stainless steel shell fragment manufacturing process, need be through a ferric trichloride etching process, and need in the manufacturing process of the FPC plate that original conduct is electrically connected through boring, heavy copper, copper facing, copper chloride etching process.As can be seen, in the manufacturing process of these two parts, 5 chemical manufacturing process that environment had pollution have been passed through altogether, and the utility model has saved the boring of FPC, heavy copper, copper facing, etching process, it is just passable only to carry out a ferric trichloride etching, so just significantly reduced whole making flow process, and greatly reduced pollution environment.
According to the utility model, a kind of small-sized shell fragment with miniature loudspeaker of circuit function is provided, has comprised top layer insulating film and electroconductive elastic sheet, wherein, described electroconductive elastic sheet is not only as the support component of miniature loudspeaker vibrating diaphragm, and as the circuit element of described miniature loudspeaker.
According to an embodiment of the present utility model, the support component that described electroconductive elastic sheet is used as and the diaphragm of loudspeaker moves together.
According to another embodiment of the present utility model, described electroconductive elastic sheet is as the circuit block of loudspeaker coil and circuit communication.
According to another embodiment of the present utility model, the processing of windowing of described top layer insulating film (1) is the technology that adopts die punching or boring.
According to another embodiment of the present utility model, described electroconductive elastic sheet is a rubber-like alloying metal system.
According to another embodiment of the present utility model, described electroconductive elastic sheet is the alloy material system that possesses solderability.
According to another embodiment of the present utility model, described electroconductive elastic sheet has only layer of metal, and thickness is 0.05-1.0mm.
According to another embodiment of the present utility model, described electroconductive elastic sheet is as the circuit turn-on parts of described miniature loudspeaker.
According to another embodiment of the present utility model, be coated with one deck nickel or tin on the described electroconductive elastic sheet.
According to another embodiment of the present utility model, be coated with one deck gold on the described electroconductive elastic sheet.
According to another embodiment of the present utility model, described dielectric film mainly act on be the insulation and connect described both positive and negative polarity with loud speaker shell fragment of circuit function, both positive and negative polarity is fixed and is insulated linking together.
According to the utility model, reduced will as the shell fragment of vibrating mass and as the FPC of electric connecting part combine artificial, manufacturing cost and cost of material all reduce greatly, simultaneously, because vibrating mass and electric component are united two into one, the material of its use has also reduced widely.
Description of drawings
Fig. 1 has shown in the loudspeaker assembly of prior art the figure as the FPC that is electrically connected.
Fig. 2 has shown in the loudspeaker assembly of prior art the shell fragment figure that has adhesive sticker as vibrating mass.
Fig. 3 has shown the final structure after the loudspeaker assembly of prior art makes up.
Fig. 4 has shown the shell fragment circuit board that has circuitous pattern in the utility model.
Fig. 5 has shown finished product structure of the present utility model.
The drawing reference numeral explanation
1 dielectric film; 2 Copper Foils; 3 hot-setting adhesives; 4 polyimides; 5 hot-setting adhesives; 6 Copper Foils; 7 dielectric films; 8 adhesive stickers; 9 shell fragments (or claiming vibrating mass)
Embodiment
With preferred embodiment the utility model is described in detail below with reference to accompanying drawings.But it will be appreciated by those skilled in the art that the following stated only is to illustrate and describe some preferred implementations, some other similarly or the execution mode that is equal to equally also can be used for implementing the utility model.
According to a preferred embodiment of the present utility model, at first, certain thickness stainless steel substrates of rubber-like or alloy shell fragment are electroplated last layer nickel or tin, to increase weldability, then will be through the processing of windowing with the dielectric film of adhesive, needs are welded the insulation glued membrane of the bond pad locations of coil and window, the mode of windowing can adopt the die-cut mode of mould, also can adopt the mode of boring.Then shell fragment is pressed together with the dielectric film contraposition, the composite material two sides is coated with applies photosensitive-ink then, then by after the figure transfer, exposure, development, etching, profile are cut, and have just obtained having the shell fragment circuit board of circuitous pattern, and be for example shown in Figure 5.
Example one: with the etching method example of making
The shell fragment circuit board making that supports with the single face insulation is that example is elaborated to the utility model below.
One, the coating of shell fragment is handled
At first adopting thickness is the alloy shell fragment 9 of about 0.05-1.0mm, through the Tyson upright plating line, through oil removing, pickling, microetch, nickel plating, carries out nickel plating with 18 minutes, and the thickness of nickel is the 8-15 micron.Fig. 4 has shown the shell fragment circuit board that has circuitous pattern in the utility model.
It will be understood by those skilled in the art that alloy shell fragment 9 can be that copper alloy is made, can certainly be that other steel, metal or alloy are made, as long as can satisfy the requirement of certain applications.Certainly, except nickel plating, also can replace zinc-plated on the shell fragment.
Two, the pressure dressing of dielectric film
1, the preparation of dielectric film
The dielectric film (claiming coverlay again) 9 that will have adhesive sticker 8, be positioned in advance and design and produce the cutting die of windowing through CAM, reach the HCP-25 hydraulic press through great road the dielectric film 9 of position of components is cut, this coverlay is windowed size design than more than the monolateral big 0.4mm of component size.
2, the pressure dressing of coverlay
With after finishing the coverlay handled of windowing and tearing release liners off, aim at the shell fragment position, dielectric film is sticked on through on the shell fragment of nickel plating, place Zhuhai than on the high BAK-80T-04D press, the plate that posts dielectric film with preload pressure 3kg/cm 2Squeeze time 10S, briquetting pressure 12kg/cm 2, 30 seconds of molding time, 180 ℃ of temperature, and the coverlay pressure dressing is being posted on the circuit of element, be positioned over then in the holy baking box of Taiwan will, through 150 ℃ of bakings 1 hour, make its hot-setting adhesive full solidification.
3, circuit is made
Adopt the nylon mesh of 43T, pass through silk-screen on above-mentioned composite material two sides, photosensitive-ink in the whole plate printing, then through preliminary drying, line pattern transfer, exposure, development, etching, move back the semi-finished product that film just obtains having the shell fragment circuit board of line pattern, adopt at last in advance through CAM according to customer requirement configuration design make mould and come out profile is die-cut, promptly obtained described shell fragment circuit board with line pattern, as shown in Figure 4 and Figure 5, wherein Fig. 5 has shown finished product structure of the present utility model.Because this circuit manufacturing process is the traditional method in the FPC manufacturing process well known to those skilled in the art, is not just carefully stating at this.
Example two: with die-cut method example of making
The shell fragment circuit board making that supports with the single face insulation is that example is elaborated to the utility model below.
One, the coating of shell fragment is handled
At first adopting thickness is the alloy shell fragment 9 of about 0.05-1mm, through the Tyson upright plating line, through oil removing, pickling, microetch, nickel plating, carries out nickel plating with 18 minutes, and the thickness of nickel is the 8-15 micron.
Two, the punching press of shell fragment figure
To reach the HCP-25 hydraulic press through great road through the alloy shell fragment of coating, with the punching press of shell fragment figure being finished through the mould that designs in advance by customer requirement, shown the shell fragment figure that has circuitous pattern in the utility model as Fig. 4, wherein the shell fragment both positive and negative polarity connects by prejudging the connection position.
It will be understood by those skilled in the art that alloy shell fragment 9 can be that copper alloy is made, can certainly be that other steel, metal or alloy are made, as long as can satisfy the requirement of certain applications.Certainly, except nickel plating, also can replace zinc-plated on the shell fragment.
Three, the pressure dressing of dielectric film
1, the preparation of dielectric film
With dielectric film (claiming coverlay again) 7, be positioned in advance and design and produce the cutting die of windowing through CAM, reach the HCP-25 hydraulic press through great road the dielectric film 7 of position of components is cut, this coverlay is windowed size design than more than the monolateral big 0.4mm of component size.
2, the pressure dressing of coverlay
With after finishing the coverlay handled of windowing and tearing release liners off, aim at the shell fragment position, dielectric film is sticked on through on the shell fragment of nickel plating, place Zhuhai than on the high BAK-80T-04D press, the plate that posts dielectric film with preload pressure 3kg/cm 2Squeeze time 10S, briquetting pressure 12kg/cm 2, 30 seconds of molding time, 180 ℃ of temperature, and the coverlay pressure dressing is being posted on the circuit of element, be positioned over then in the holy baking box of Taiwan will, through 150 ℃ of bakings 1 hour, make its hot-setting adhesive full solidification.
3, both positive and negative polarity disconnects and making
The above-mentioned semi-finished product of finishing are designed and produced disconnected position mould through CAM, and the metal that both positive and negative polarity is connected the position cuts by die-cut mode, and as shown in Figure 4 and Figure 5, wherein Fig. 5 has shown finished product structure of the present utility model.Because this circuit manufacturing process is the traditional method in the FPC manufacturing process well known to those skilled in the art, is not just carefully stating at this.
But, it will be appreciated by those skilled in the art that the above only is to illustrate and describe some concrete execution modes, to scope of the present utility model, especially the scope of claim does not have any restriction.

Claims (10)

1. shell fragment with miniature loudspeaker of circuit function, comprise top layer insulation junctional membrane (7) and electroconductive elastic sheet (9), wherein, described electroconductive elastic sheet (9) is not only as the support component of miniature loudspeaker vibrating diaphragm, and as the circuit element of described miniature loudspeaker.
2. the shell fragment with miniature loudspeaker of circuit function according to claim 1 is characterized in that, described electroconductive elastic sheet is as supporting vibrating diaphragm and and the parts that vibrate together of loud speaker.
3. the shell fragment with miniature loudspeaker of circuit function according to claim 1 is characterized in that, described electroconductive elastic sheet is as the circuit block of loudspeaker coil and circuit communication.
4. according to each described shell fragment among the claim 1-3, it is characterized in that described top layer insulation junctional membrane (1) is the insulation macromolecular material with miniature loudspeaker of circuit function.
5. according to each described shell fragment among the claim 1-3, it is characterized in that described electroconductive elastic sheet is that the metal alloy elastomeric material is made with miniature loudspeaker of circuit function.
6. the shell fragment with miniature loudspeaker of circuit function according to claim 5 is characterized in that, described electroconductive elastic sheet is that the alloy material that possesses solderability is made.
7. according to each described shell fragment with miniature loudspeaker of circuit function among the claim 1-3, it is characterized in that described electroconductive elastic sheet has only layer of metal, thickness is 0.05-1.0mm.
8. according to each described miniature loudspeaker shell fragment among the claim 1-3 with circuit function, it is characterized in that, described dielectric film mainly act on be the insulation and connect described both positive and negative polarity with loud speaker shell fragment of circuit function, both positive and negative polarity is fixed and is insulated linking together.
9. according to each described shell fragment among the claim 1-3, it is characterized in that described shell fragment (11) is as the circuit conductive devices of described miniature loudspeaker with miniature loudspeaker of circuit function.
10. according to each described shell fragment among the claim 1-3, it is characterized in that, be coated with nickel, tin or gold on the described electroconductive elastic sheet with miniature loudspeaker of circuit function.
CN2009202697274U 2009-10-23 2009-10-23 Shrapnel of a miniature loudspeaker with circuit function Expired - Fee Related CN201563225U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009202697274U CN201563225U (en) 2009-10-23 2009-10-23 Shrapnel of a miniature loudspeaker with circuit function
KR2020090016022U KR200457584Y1 (en) 2009-10-23 2009-12-09 A suspension having circuit function for a small speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202697274U CN201563225U (en) 2009-10-23 2009-10-23 Shrapnel of a miniature loudspeaker with circuit function

Publications (1)

Publication Number Publication Date
CN201563225U true CN201563225U (en) 2010-08-25

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CN (1) CN201563225U (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110418262A (en) * 2018-04-27 2019-11-05 歌尔股份有限公司 Sounding device
US11948549B2 (en) 2019-07-17 2024-04-02 Sound Solutions International Co., Ltd. Electromagnetic actuator for a display with improved spring arrangement and output device with said actuator
US11678123B2 (en) 2020-05-20 2023-06-13 Sound Solutions International Co., Ltd. Electromagnetic actuator for a speaker or a sound transducer with a high-strength metal connection between the voice coil and the magnet system
US11838736B2 (en) * 2020-05-20 2023-12-05 Sound Solutions International Co., Ltd. Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001313996A (en) * 2000-05-02 2001-11-09 Pioneer Electronic Corp Damper for speaker, its manufacturing method and speaker device provide with the damper

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KR200457584Y1 (en) 2011-12-26
KR20110004291U (en) 2011-04-29

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100825

Termination date: 20161023

CF01 Termination of patent right due to non-payment of annual fee