CN201623843U - Membrane of mini-type horn - Google Patents
Membrane of mini-type horn Download PDFInfo
- Publication number
- CN201623843U CN201623843U CN2009202150421U CN200920215042U CN201623843U CN 201623843 U CN201623843 U CN 201623843U CN 2009202150421 U CN2009202150421 U CN 2009202150421U CN 200920215042 U CN200920215042 U CN 200920215042U CN 201623843 U CN201623843 U CN 201623843U
- Authority
- CN
- China
- Prior art keywords
- barrier film
- microspeaker
- film
- utility
- model
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model provides a membrane of a mini-type horn which includes a plurality of membrane components formed by polymer compounds which are mutually stacked; wherein the membrane is jointed together by an ultrasonic wave jointing procedure; after a first component is arranged on a die, the first component is formed in a wanted shape; a second component is arranged on the first component formed in a wanted shape; and a part requiring to be jointed in the first component and the second component is jointed through the ultrasonic wave jointing procedure.
Description
Technical field
The utility model relates to the barrier film (diaphragm) of a kind of Microspeaker (micro-speaker), relates in particular to a kind of barrier film that is formed by several films.
Background technology
In general, loudspeaker are the sound device that transform electric becomes voice signal.During loudspeaker can be categorized into/and large-scale loudspeaker, it is connected to sound equipment or amplifier, with voice emplifying widely, and Microspeaker, it is mainly used in the portable type audio unit, for example mobile phone, notebook computer, MP3 player, earphone etc.
The barrier film of typical Microspeaker must be undersized.Therefore, flexible and light diaphragm type barrier film is used to strengthen its efficient.Yet, since the diaphragm type barrier film less than in/barrier film of large-scale loudspeaker, therefore be difficult to the range of sounds that regeneration is fully wanted, for example high-frequency range and low-frequency range.
In correlation technique, in order to overcome above-mentioned restriction, several films are stacked and be formed the design of wanting, and stacked film is joined together as barrier film and uses.Use adhesive agent, heating and/or the pressurization film that these are stacked to be bonded together.
But when film was engaged with each other by adhesive agent, it was limited in and is difficult to apply adhesive agent equably on the whole surface that will be bonded together.When adhesive agent did not evenly apply, the thickness on the surface of joint was also inhomogeneous.
Moreover, because adhesive agent has flowability to a certain degree, and need time sclerosis adhesive agent, so be difficult to exactly film is bonded on the position of wanting.In addition, also need fixing after the time waiting.
In addition, when using heating and pressurization to engage the part of the film of wanting,, has deviation in joint place because heating and pressurization must directly put on mould.
Moreover, if several films are formed by different materials, and consider that the sound property of these loudspeaker engages, some material of film may have chemical reaction with adhesive agent.
The utility model content
Therefore, the utility model relates to a kind of barrier film of Microspeaker, and the manufacture method of this barrier film, and it can alleviate substantially because the restriction of correlation technique and one or more problems that shortcoming causes.
The purpose of this utility model is to provide a kind of barrier film of Microspeaker, and the manufacture method of this barrier film, it minimizes the thickness deviation at the junction surface of film by use ultrasonic waves joint method, and reduces the characteristic deviation of Microspeaker by this, and high-quality sound property is provided.
Other advantages of the present utility model, purpose and feature will be set forth in the following description book part, and other parts are conspicuous for those skilled in the art, or can be by learning in the middle of the enforcement of the present utility model.The purpose of this utility model and other advantage can be by the scopes of the explanation that is disclosed and claims thereof, and in the accompanying drawing the specific structure that indicates understand and obtain.
In order to reach these purposes and other advantage, according to the purpose of this utility model, concrete enforcement in place like this and generalized description, a kind of barrier film of Microspeaker is provided, it comprises: the film member that several are formed by polymer compounds, and storehouse each other, wherein several films are bonded together via the ultrasonic waves splice program.
Member can comprise and is positioned at undermost first member, and be positioned at second member on first member, first member comprises the inside portion, the inside portion is a central portion, and the outside portion, the outside portion is around the inside portion, and the size of second member is corresponding to the inside portion of first member, and be positioned on the inside portion, and at least one part of the outer periphery portion of second member can engage first member.
The outer periphery portion of second member can whole joint first member, makes air layer can be formed between first member and second member.
This barrier film further comprises at least one the 3rd member, and it is arranged between first member and second member.
According to the manufacture method that another kind of form of the present utility model is a kind of barrier film of Microspeaker, this barrier film comprises the film member that several are formed by polymer compounds, and storehouse each other, and this method comprises: prepare mould; Be provided with first member on this mould after, form first member of the member want shape; Second member of member is arranged on first member of wanting shape; Via the ultrasonic waves splice program engage will be in first and second member engaged part.
First member can be fixed on the mould via the vacuum suction program.
The setting of second member comprises and at least one the 3rd member further is set between first member and second member.
Form and want first member of shape to comprise the inside portion, the inside portion is a central portion, reaches the outside portion around this inside portion, and the size of second member is corresponding to the inside portion of first member, and be positioned on the inside portion, and binding portion comprises that the outer periphery portion of whole joint second member is to first member.
The outer periphery portion of second member can wholely join first member to, makes air layer can be formed between first member and second member.
Can understand aforementioned is to have exemplaryly and illustrative for general remark of the present utility model and following detailed description, and attempts to provide further explanation for claims of the present utility model.
Description of drawings
Accompanying drawing provides further understanding of the present utility model, is used to add and constitute the some of the application and specific embodiment, cooperates specification to be used to explain principle of the present utility model.In the accompanying drawings:
Fig. 1 is the perspective view according to the barrier film of the Microspeaker of specific embodiment of the utility model;
Fig. 2 is the cutaway view of the Microspeaker of the barrier film of employing Fig. 1;
Fig. 3 is the profile of the barrier film of Fig. 1;
Fig. 4 is the barrier film cutaway view according to the Microspeaker of another specific embodiment of the utility model;
Fig. 5 and Fig. 6 are the schematic diagram according to the manufacture method of the barrier film of the Microspeaker of the utility model specific embodiment; And
Fig. 7 is the flow chart according to the manufacture method of the Microspeaker sub-assembly of the utility model specific embodiment.
Embodiment
Referring now to preferred embodiment of the present utility model, its example will be illustrated in the accompanying drawings.
Fig. 1 is the perspective view according to the barrier film of the Microspeaker of embodiment of the present utility model, and Fig. 2 is the cutaway view of the Microspeaker of the barrier film of employing Fig. 1, and Fig. 3 is the profile of the barrier film of Fig. 1.
Barrier film 1 is the device of the Microspeaker of a small-sized sound device, and this small-sized sound device is for example mobile phone, notebook computer, MP3 player, earphone etc.Barrier film 1 comprises several by the formed film of polymer compounds, and storehouse each other.
Because the barrier film 1 of this Microspeaker mainly is a small size, so film has difformity, and formed the sound property of being wanted to reach by different materials.Though this barrier film can be formed by single film.But this barrier film is formed by at least two film storehouses, the sound property of being wanted to reach in this embodiment.
Simultaneously, Figure 2 shows that the perspective view of the Microspeaker 100 that adopts the barrier film 1 among the embodiment, it is cut into half.
Microspeaker 100 comprises framework 101, yoke 102, magnet 103, flat board 104 and sound coil 105.The enclosing cover (not shown) is fixed on the upper portion of framework 101 usually.At this moment, an outer periphery portion 12 of the barrier film 1 of embodiment is fixed in framework 101.The upper end of sound coil 105 is fixed to the lower surface at the junction surface 30 of barrier film 1.
The barrier film 1 of Microspeaker forms by storehouse first member 10 and second member 20.
The part that this circular top part and this edge part are bonded together is called as junction surface 30.As previously mentioned, the upper end of sound coil 105 (referring to Fig. 2) coupling (coupled to) is to the lower surface at junction surface 30.
In the present embodiment, first member 10 comprises the inside portion, and corresponding to circular top part, and the outside portion, it is around the inside portion, and corresponding to edge part.The size of second member 20 is corresponding to the inside portion of first member 10, and is positioned on the inside portion.
Therefore, circular top part has double-decker, and second member, 20 storehouses are on first member 10.This edge part has single layer structure.This circular top part and this edge part are designed to have different physical characteristics, the different range of sounds of therefore regenerating.
This ultrasonic waves splice program for the splice program in the secondary program of polymerizable compound, carried out, one of use in the acoustic vibration graft polymerization compound.Usually, in the ultrasonic waves splice program, oscillator is the electric energy of 15-20KHz with the power transfer of 50/60Hz, and transducer and stepup transformer are converted to mechanical vibrational energy with this electric energy.Tool angle is transformed into this mechanical vibrational energy the object that will handle electric energy.Then, because the frictional heat that the vibration that strengthens produces can be dissolved the composition surface of object, therefore can realize the molecular binding between the object.
In the present embodiment simultaneously, the outer periphery portion of second member 20 entirely joins first member 10 to via this ultrasonic waves splice program.But the utility model is not limited to this.That is to say that first member and second member can be engaged with each other off and on along the outer periphery portion of second member.
Moreover though barrier film 1 forms circle in this specific embodiment, the utility model is not limited to this.Barrier film 1 can form rectangle, ellipse etc., if at least two polymerizable compound films storehouse each other in its structure, and film is engaged with each other via this ultrasonic waves splice program.
Please refer to Fig. 3, air layer 40 is formed on circular top part, between first member 10 and two members 20.Air layer 40 mainly is filled with air.That is to say that because whole first member 10 that joins to of the outer periphery portion of second member 20, air is limited at by in the space of being defined between first member 10 and second member 20, form air layer 40.
Fig. 4 is the cutaway view according to the barrier film of the Microspeaker of another embodiment of the utility model.
Barrier film 1a according to the Microspeaker of another specific embodiment comprises the first member 10a, the second member 20a and the three member 22a of position between the first member 10a and the second member 20a.The 3rd member 22a can be for by polymerizable compound or the formed film of other material.
Because in the space that the 3rd member 22a is defined between the first member 10a and the second member 20a, the 3rd member 22a can be formed by the material that can not be applied to this ultrasonic waves splice program.When the 3rd member 22a was formed by polymerizable compound, the outer periphery position of the 3rd member was between first member and second member, and they are bonded together via this ultrasonic waves splice program.
Simultaneously, though one the 3rd member 22a is provided in the present embodiment, also may provide two or more the 3rd member 22a.
According to present embodiment, because first member and second member are bonded together via this ultrasonic waves splice program, the thickness at this junction surface is essentially evenly.Therefore, the sound property of this device is even, and can reduce slight imperfections.
Moreover first member can be realized exactly combining with second member in desired position.
In addition, owing to might between first member and second member, form air layer, so can reach the characteristic that barrier film is wanted.Moreover, because additional member is inserted in this air layer at least, so might adjust the thickness of this barrier film and the sound property of this barrier film.
The manufacture method of the barrier film of this Microspeaker below will be described.
Manufacture method according to the barrier film of specific embodiment comprises: mould preparation process S1, first member form step S2, second member step S3, and ultrasonic waves engagement step S4 are set.
In mould preparation process S1, mould 50 has the shape of wanting corresponding to first member 10.
Form among the step S2 at first member, be placed on and form on the mould 50 being arranged in the middle of several films first member 10 at film place, below, so that first member 10 forms desired shape.That is to say that this polymer thin films is arranged on the mould 50, and form the shape of being wanted by another mould (not shown) of punching press downwards.
Be provided with among the step S3 at second member, this second member is arranged on the position of wanting on first member 10 that forms the shape of wanting, and carries out ultrasonic waves engagement step S4 thereafter.
In the present embodiment simultaneously, first member 10 has the inside portion for central portion, reaches the outside portion around this inside portion.The size of second member 20 is corresponding to the inside portion of first member 10, and is positioned on this first member.
In ultrasonic waves engagement step S4, first member 10 and second member 20 are bonded together engaging partly by the ultrasonic waves splice program.
Please refer to Fig. 5, be arranged on the mould 50 and after second member is arranged on first member 10, engaged part 30 via the ultrasonic waves splice program at first member 10, tool using angle 42 is bonded together.This ultrasonic waves splice program is illustrated in the above.
The method of present embodiment is the manufacture method of the barrier film 1 of Fig. 1.Therefore, in ultrasonic waves engagement step S4, whole first member 10 that joins to of the outer periphery portion of second member 20.
But the utility model is not limited to present embodiment.That is to say that second member 20 can partly join first member 10 to.For example, might engage second member off and on to first member along this outer periphery portion in a circumferential direction.In addition, interchangeable, the bonding part is along outer periphery portion each interval, and junction surface separately is configurable in the radial direction.Therefore, the configuration at this junction surface is similar to the configuration of the outside portion of umbrella frame.Simultaneously, this barrier film can form multiple shape, for example rectangle, square, ellipse and orbit-shaped (track shape).
In addition, in ultrasonic waves engagement step S4, first member 10 and second member 20 are bonded together and form air layer 40 (referring to Fig. 3).That is to say that only 30 places join first member 10 to second member 20 at the junction surface, all the other partly then define air layer 40 with first member 10 separately.
In the present embodiment simultaneously, first member 10 can be fixed on the mould 50 by the vacuum suction program.
When wanting first member 10 of shape to be arranged on the mould 50 when forming, first member 10 is by the tight contact moudling mould 50 regularly of this vacuum suction program.
When first member 10 closely regularly during contact moudling mould 50, might on second member 20, second member 20 be set desired position exactly.Moreover because the position of first member 10 does not change during the ultrasonic waves splice program, this ultrasonic waves engages can be implemented in the position of being wanted exactly.
In addition, because first member 10 still maintains the vacuum suction state after being formed by mould 50, and under this state, second member 20 is arranged on first member 10, so can improve processability.
Simultaneously, for the barrier film 1a of shop drawings 4, second member is provided with step S3 and comprises that also the 3rd member is provided with step, is used for being provided with between the first member 10a and the second member 20a at least the three member 2a.
Please refer to Fig. 6, after the 3rd member 22a is arranged between the first member 10a and the second member 20a, carry out ultrasonic waves engagement step S4.The 3rd member 22a has been illustrated when with reference to Fig. 4 barrier film 1a being described above-mentioned.
According to present embodiment, because first member and second member are bonded together via this ultrasonic waves splice program, the thickness deviation at the junction surface can minimize.
In addition, owing to do not use adhesive agent to engage first member and second member, this first member, second member and the 3rd member can not have chemical reaction with this adhesive agent.
Moreover because this first member is fixed on the mould by vacuum suction, the position of this first member can be fixed exactly.Therefore, therefore this first member can improve processability to the bonding station of second member Be Controlled exactly.
According to the utility model, the thickness at the junction surface of film joint can be even.
In addition, the joint of film can be engaged in accurate position, and therefore film separately can accurately form.
Moreover, owing to do not use adhesive agent, can reduce defective, and improve productive rate.Also may be with the production automation.
To those skilled in the art, can make multiple correction and variation in the utility model.Therefore, the utility model has been contained correction and the variation in the appended claims scope.
The primary clustering symbol description
1 barrier film
The 1a barrier film
10 first members
10a first member
12 outer periphery sections
12 edges
20 second components
20a second member
22a the 3rd member
30 junction surfaces
40 air layers
50 moulds
42 tool angle
100 Microspeakers
101 frameworks
102 yokes
103 magnet
104 flat boards
105 sound coils
Claims (4)
1. the barrier film of a Microspeaker is characterized in that, comprising:
Several form the member of film, and described member is formed by polymerizable compound, and storehouse each other, and wherein said film is bonded together via the ultrasonic waves splice program.
2. the barrier film of Microspeaker as claimed in claim 1 is characterized in that, wherein said member comprises and is positioned at undermost first member, and is positioned at second member on described first member;
Described first member comprises the inside portion, is central portion, and the outside portion, and described outside portion is around described inside portion;
The size of described second member is corresponding to the size of the inside portion of described first member, and is positioned on the described inside portion;
And
At least a portion of the outer periphery portion of described second member is engaged in described first member.
3. the barrier film of Microspeaker as claimed in claim 2 is characterized in that, the outer periphery portion of wherein said second member can fully be engaged in described first member, makes air layer can be formed between described first member and second member.
4. the barrier film of Microspeaker as claimed in claim 2 is characterized in that, also comprises at least one the 3rd member, and it is arranged between described first member and second member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0020364 | 2009-03-10 | ||
| KR1020090020364A KR20100101921A (en) | 2009-03-10 | 2009-03-10 | Diaphragm for micro-speaker and method of manufacturing method of the diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623843U true CN201623843U (en) | 2010-11-03 |
Family
ID=42718970
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202150421U Expired - Lifetime CN201623843U (en) | 2009-03-10 | 2009-12-31 | Membrane of mini-type horn |
| CN200910266681A Pending CN101835073A (en) | 2009-03-10 | 2009-12-31 | Diaphragm for micro-speaker and method of manufacturing the diaphragm |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910266681A Pending CN101835073A (en) | 2009-03-10 | 2009-12-31 | Diaphragm for micro-speaker and method of manufacturing the diaphragm |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20100101921A (en) |
| CN (2) | CN201623843U (en) |
| TW (1) | TWM385182U (en) |
| WO (1) | WO2010104250A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202269005U (en) * | 2011-11-03 | 2012-06-06 | 易力声科技(深圳)有限公司 | Loudspeaker diaphragm and loudspeaker using same |
| KR101538635B1 (en) * | 2014-04-04 | 2015-07-23 | 주식회사 이엠텍 | Waterproof microspeaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433414A (en) * | 1981-09-30 | 1984-02-21 | Fairchild Camera And Instrument Corporation | Digital tester local memory data storage system |
| JPS5916495A (en) * | 1982-07-19 | 1984-01-27 | Sanyo Electric Co Ltd | Joining method of speaker diaphragm and edge |
| KR20050079266A (en) * | 2004-02-05 | 2005-08-10 | 에스텍 주식회사 | Adhesion method of frame and edge for speaker |
| KR100592100B1 (en) * | 2004-04-16 | 2006-06-21 | 학교법인 성균관대학 | Diaphragm of micro speaker |
| KR100638057B1 (en) * | 2005-02-21 | 2006-10-24 | 주식회사 비에스이 | Double Diaphragm Micro speaker |
| JP2006295245A (en) * | 2005-04-05 | 2006-10-26 | Sony Corp | Acoustic diaphragm |
-
2009
- 2009-03-10 KR KR1020090020364A patent/KR20100101921A/en not_active Application Discontinuation
- 2009-08-31 WO PCT/KR2009/004874 patent/WO2010104250A1/en active Application Filing
- 2009-12-04 TW TW98222764U patent/TWM385182U/en not_active IP Right Cessation
- 2009-12-31 CN CN2009202150421U patent/CN201623843U/en not_active Expired - Lifetime
- 2009-12-31 CN CN200910266681A patent/CN101835073A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN101835073A (en) | 2010-09-15 |
| TWM385182U (en) | 2010-07-21 |
| KR20100101921A (en) | 2010-09-20 |
| WO2010104250A1 (en) | 2010-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN PROSTAR ELECTRONIC CO., LTD. DONGGUAN PROS |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110426 Address after: Inchon, Korea Co-patentee after: Rongcheng Baoxing Electronic Co. Ltd Patentee after: Bse Co., Ltd. Co-patentee after: Dongguan Baoxing Electronics Co. Ltd Address before: 626-3 58B 4L, Gudan-dong, Namdong-gu, Incheon, South Korea (405-817) Patentee before: Bse Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |