EP0659031B1 - Aufhängung für Konuslautsprecher - Google Patents
Aufhängung für Konuslautsprecher Download PDFInfo
- Publication number
- EP0659031B1 EP0659031B1 EP94118843A EP94118843A EP0659031B1 EP 0659031 B1 EP0659031 B1 EP 0659031B1 EP 94118843 A EP94118843 A EP 94118843A EP 94118843 A EP94118843 A EP 94118843A EP 0659031 B1 EP0659031 B1 EP 0659031B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bead
- diaphragm
- membrane
- upper edge
- loudspeaker frame
- 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
Links
Images
Classifications
-
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
Definitions
- the invention is concerned with the suspension of Cone speakers, especially with the training of high temperature resistant formations of beads and their Attachment with the membrane and the speaker basket.
- Cone speakers essentially consist of one conical membrane, a magnet system, one Voice coil and a speaker basket. It is Magnet system connected to the speaker basket.
- the Membrane is connected to the voice coil and in the Speaker basket used, the voice coil in immerses the air gap formed in the magnet system. Of the top of the membrane is with the speaker basket connected.
- At this connection between membrane and Speaker basket become special requirements knotted. In particular, it is required that the Connection between membrane and loudspeaker basket via the entire stroke of the diaphragm to the stroke brings even resistance.
- beads which are connected to the upper edge of the membrane, the space between the membrane and the speaker basket span and connected to the speaker basket are.
- Such beads which are approximately circular are either rubber or Plastic formed because only these materials meet the required elasticity requirements. Of the Area in which the beading is the distance between the upper edge of the membrane and the fastening area on The loudspeaker basket is mostly arched educated.
- connection between the top of the membrane and the inner edge of the bead as well as the connection between the outer edge of the bead and the Speaker basket are designed as adhesive connections. Because of the high mechanical stress on the the latter connection are high quality adhesives necessary on the materials to be joined must be carefully coordinated. Due to the high mechanical stress on the adhesive connections however the free choice of material between beads and Membrane material limited because carefully matched adhesives are unable to all in Question coming material combinations between Membrane, beads and basket material permanently closed connect. Furthermore, the choice of materials continues limited when the speakers are at high Ambient temperatures (about greater than 100 ° C) operated will. This is because many materials already exist soften in this temperature range. But also with Materials in the temperature range mentioned are not critical, problems regarding the have mechanical strength of the adhesive connections, because the majority of these connections are already above 100 ° C lose their original strength.
- the invention is therefore based on the object of being particularly stable Specify suspension for cone speakers, which too is temperature-resistant above 100 ° C to about 230 ° C.
- the membrane is formed from metal according to claim 2, are deformations of the membrane under the influence of No fear of spray pressures. Also have Metal membranes compared to the conventionally used Paper or plastic membranes have the advantage that they have a high stability and also in Temperature range above 100 ° C problemlqs used can be.
- the attachment of the outer edge of the bead with the Speaker basket is realized according to claim 3, that the outer edge of the bead between one for storing the Bead on the speaker basket serving ring surface of the speaker basket and one encircling ring is clamped to the necessary Sealing in front of and behind the membrane Areas.
- the latter can, for example be realized very simply by screwing or Rivet connections through the bearing ring surface of the basket, the outer edge of the bead and the circumferential ring are led.
- a particularly simple connection from the outer edge of the Beading and bearing ring surface of the speaker basket is given according to claim 4 when the outer edge of the Beading has a circumferential ring, at least an annular surface is encapsulated with bead material and that the coated with bead material Circular surface of the circumferential ring against one for storage the bead on the speaker basket serving ring surface of the speaker basket is pressed.
- the circumferential ring can be fixed while connecting to the speaker basket remain under. The necessary and on the outer edge the beading contact pressure can be adjusted accordingly Screw and rivet connections, which by the encircling ring, the outer edge of the bead and the Ring surface of the speaker basket are guided, will be realized.
- the spray connection between membrane and bead or between the encircling ring and bead is further improved when the gating areas of these components according to claims 7 or 8 before vulcanizing the Bead material coated with an adhesion promoter have been.
- FIG 1 is a section through a Cone loudspeaker shown in the area of the suspension.
- reference numeral 10 is the speaker basket and with Reference number 11 denotes the membrane.
- Reference number 11 denotes the membrane.
- the Loudspeaker 10 is provided with an annular surface (bearing ring surface) 12 for mounting the bead 13 on the loudspeaker basket (10) Mistake.
- Between the speaker basket 10 and the The membrane 11 extends from silicone material formed bead 13.
- Siloprene was used as the silicone material HV3 from the manufacturer BASF, which has a hardness of has about 50 Shore A.
- the bead 13 is special be temperature-resistant and solvent-resistant, it should be made from a fluoroelastomer.
- the material with the Brand name "Viton" from Dupont and the Material with the brand name "Fluorel” from the company 3M as particularly good fluoroelastomer materials proven.
- the outer edge 14 of the bead 13 lies on the Bearing ring surface 12. On the bearing ring surface 12 opposite side of the outer edge 14 of the bead 13 a circumferential ring 15 is placed.
- This encircling ring 15 is present Embodiment made of aluminum and can in another - not shown here - Embodiment also made of a different material be educated.
- the outer edge 14 of the bead 13 is between the circumferential ring 15 and the Bearing ring surface 12 clamped by a screw 16 through the ring 15, the outer edge 14 of the bead 13 and the speaker basket 10 is guided.
- the upper edge 19 of the membrane 11 a circumferential Perforation on.
- This - the perforation - Breakthroughs 20, of which only four are shown in FIG. 3 are round in the present embodiment trained and have a diameter of 1.5 mm and a distance A of about 3 mm to the peripheral edge 21 of the Membrane 11.
- the mutual distance of the breakthroughs is about 10 mm.
- membrane 11 shown is made of aluminum with a Wall thickness of 0.2 mm formed.
- Aluminum as membrane material in the shown in Figure 1 Arrangement the best experience has been had the invention does not apply to the application of aluminum Limited membrane material. Rather, everyone is Materials suitable using each selected spraying technique when vulcanizing the bead 13 do not suffer any deformation in the upper edge region 19.
- the embodiment shown in Figure 2 differs from the embodiment according to FIG. 1 only a changed connection between the outer edge 14 the bead 13 with the speaker basket 10 and through a modified formation of the connection between inner edge 18 of the bead 13 and the membrane 11.
- the upper edge 14 of the bead 13 is in FIG. 2 illustrated embodiment with rivets 26 with the Speaker basket 10 connected so that in the connected Condition the areas of the upper edge 14 of the bead 13, which on the lower circular surface of the circumferential ring 15 'are vulcanized to Manufacture of the necessary seal against the Bearing ring surface 12 are pressed.
- the upper edge 19 of the membrane 11 is also coated on both sides with beading material. Also here The exemplary embodiment shown are on both sides areas of the inner edge of the membrane 11 18 of the bead 13 through the openings 20 in the membrane connected with each other. Deviating from Figure 1 points but in Figure 2 the lower form 23 not the paragraph 25 on. Damage to the protruding into the mold space End of the upper edge 19 of the membrane 11 is there but not to worry, as the lower form 23 Has spray channels. The latter ensures that when vulcanizing the bead 13 on both sides of the Membrane 11 in the area 19 uniform pressure conditions are predominant, causing damage to the top Edge 19 during the vulcanization of the bead 13 excludes.
- the ring 15 ' not necessarily smooth-walled according to Figure 2 have to be. Rather, this ring 15 'can also Openings and recesses to be provided Attachment of the ring 15 'with the outer edge 14 of the Bead 13 to improve during scorching.
- the openings 20 in the Diaphragm 11 is the same distance from the axis of rotation 27 exhibit. Furthermore, the perforation of the upper edge the bead also does not have round openings 20 limited.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Road Signs Or Road Markings (AREA)
Description
- Figur 1
- einen Schnitt durch einen Konuslautsprecher im Bereich der Aufhängung;
- Figur 2
- eine weitere Darstellung gemäß Figur 1; und
- Figur 3
- eine Draufsicht auf eine Membran.
Claims (8)
- Aufhängung für Konuslautsprecher mit einer Membran (11), mit einem Lautsprecherkorb (10) und mit einer aus einem hochtemperaturfesten Elastomer gebildeten Sicke (13), deren äußerer Rand (14) mit dem Lautsprecherkorb (10) und deren innerer Rand (18) mit dem oberen Rand (19) der Membran (11) verbunden ist, wobei der obere Rand (19) der Membran (11) mit dem Sickenmaterial umspritzt ist,
dadurch gekennzeichnet, daß der obere Rand (19) der Membran (11) eine umlaufende Perforation aufweist, deren Durchbrüche (20) nach dem Umspritzen mit dem Sickenmaterial ausgefüllt sind, so daß die den oberen Rand (19) der Membran (11) beidseitig beschichtenden Bereiche aus Sickenmaterial durch die Durchbrüche (20) der Membran (11) hindurch miteinander verbunden sind. - Aufhängung nach Anspruch 1,
dadurch gekennzeichnet, daß die Membran (11) aus Metall gebildet ist. - Aufhängung nach Anspruch 1,
dadurch gekennzeichnet, daß der äußere Rand (14) der Sicke (13) mit dem Lautsprecherkorb (10) so verbunden ist, daß der äußere Rand (14) der Sicke (13) zwischen einer zur Lagerung der Sicke (13) auf dem Lautsprecherkorb (10) dienenden Ringfläche (12) des Lautsprecherkorbes (10) und einem umlaufenden Ring (15) eingespannt ist. - Aufhängung nach Anspruch 1,
dadurch gekennzeichnet, daß der äußere Rand (14) der Sicke (13) einen umlaufenden Ring (15') aufweist, dessen zumindest eine Kreisringfläche mit Sickenmaterial umspritzt ist, und daß im verbundenen Zustand von Sicke (13) und Lautsprecherkorb (10) die mit Sickenmaterial beschichtete Kreisringfläche des umlaufenden Ringes (15') gegen eine zur Lagerung der Sicke (13) auf dem Lautsprecherkorb (10) dienenden Ringfläche (12) des Lautsprecherkorbes (10) gepreßt ist. - Aufhängung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß das Elastomer, aus welchem die Sicke (13) gebildet ist, ein Silikongummi ist. - Aufhängung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet daß das Elastomer, aus welchem die Sicke (13) gebildet ist, ein Fluorelastomer ist. - Aufhängung nach Anspruch 1,
dadurch gekennzeichnet, daß die Bereiche der Membran (11), welche mit dem Sickenmaterial beschichtet sind, einen Haftvermittler zwischen dem Sickenmaterial und der Membran (11), aufweisen. - Aufhängung nach Anspruch 4,
dadurch gekennzeichnet, daß die Bereiche des umlaufenden Ringes (15'), welche mit dem Sickenmaterial beschichtet sind, einen Haftvermittler zwischen dem Sickenmaterial und dem umlaufenden Ring (15') aufweisen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4343324 | 1993-12-18 | ||
DE4343324A DE4343324A1 (de) | 1993-12-18 | 1993-12-18 | Aufhängung für Konuslautsprecher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0659031A1 EP0659031A1 (de) | 1995-06-21 |
EP0659031B1 true EP0659031B1 (de) | 1998-09-23 |
Family
ID=6505427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94118843A Expired - Lifetime EP0659031B1 (de) | 1993-12-18 | 1994-11-30 | Aufhängung für Konuslautsprecher |
Country Status (7)
Country | Link |
---|---|
US (1) | US5574797A (de) |
EP (1) | EP0659031B1 (de) |
JP (1) | JPH07264693A (de) |
AT (1) | ATE171586T1 (de) |
DE (2) | DE4343324A1 (de) |
DK (1) | DK0659031T3 (de) |
ES (1) | ES2122134T3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19757098C2 (de) * | 1997-12-20 | 2003-01-09 | Harman Audio Electronic Sys | Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip |
GB2345402B (en) * | 1998-12-28 | 2000-12-20 | Foster Electric Co Ltd | Improvements in loudspeakers |
US7149223B2 (en) * | 2000-03-06 | 2006-12-12 | Juniper Networks, Inc. | Enhanced fiber nodes with CMTS capability |
US20050185816A1 (en) * | 2002-10-16 | 2005-08-25 | Roark Richard S. | Loudspeaker driver having a removable diaphragm assembly, parts kit and method for rebuilding a loudspeaker driver in the field |
US20040081330A1 (en) * | 2002-10-23 | 2004-04-29 | Hsi-Chung Lin | Speaker with cabinet |
US20050111689A1 (en) * | 2003-11-21 | 2005-05-26 | True Technologies Inc. | Loudspeaker with assembly and performance improvements |
CN102307324B (zh) * | 2005-09-21 | 2014-10-08 | 共达欧洲研究与发展有限责任公司 | 具有机械支撑的嵌件模制的包裹物 |
US8224270B2 (en) * | 2006-12-06 | 2012-07-17 | Broadcom Corporation | Method and system for optimizing transmit power of a power amplifier using a battery voltage (Vbat) monitor |
US20100014703A1 (en) * | 2008-07-18 | 2010-01-21 | Cheng Uei Precision Industry Co., Ltd. | Loudspeaker |
WO2013098235A1 (en) * | 2011-12-29 | 2013-07-04 | Gettop Europe R&D ApS | Adhesive free attachment of transducer suspension member |
JP5400246B1 (ja) * | 2013-06-10 | 2014-01-29 | ディービーテクノロジー株式会社 | スピーカおよびそのエッジ構造 |
CN111818427A (zh) * | 2019-04-10 | 2020-10-23 | 鸿富锦精密工业(深圳)有限公司 | 振动系统、扬声器及振动系统的制作方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU801318A1 (ru) * | 1979-01-25 | 1981-01-30 | Ленинградский Ордена Ленина Поли-Технический Институт Им. M.И.Калинина | Способ нат жени металлическойМЕМбРАНы |
JPS5927157B2 (ja) * | 1980-06-19 | 1984-07-03 | 松下電器産業株式会社 | スピ−カ用振動板シ−トの製造方法 |
DE3241757A1 (de) * | 1982-11-11 | 1984-05-17 | Elektrotechnik Ehmann Gmbh, 6953 Gundelsheim | Schwingeinsatz fuer einen elektromechanischen wandler und verfahren zu dessen herstellung |
JPS59139791A (ja) * | 1984-01-25 | 1984-08-10 | Matsushita Electric Ind Co Ltd | パツシブラジエ−タ |
DE3640264A1 (de) * | 1986-11-25 | 1988-06-01 | Electronic Werke Deutschland | Lautsprecher |
JPH01162990U (de) * | 1988-04-30 | 1989-11-14 | ||
DE3831867A1 (de) * | 1988-09-20 | 1990-03-29 | Nokia Unterhaltungselektronik | Membran mit sicke |
US4881617A (en) * | 1988-12-30 | 1989-11-21 | Alexander Faraone | Radially arcuated speaker cone |
US5111510A (en) * | 1989-03-30 | 1992-05-05 | Pioneer Electronic Corporation | Speaker and manufacturing method therefor |
JP2548580Y2 (ja) * | 1989-12-28 | 1997-09-24 | 株式会社 オーディオテクニカ | ダイナミックマイクロホン |
US5123053A (en) * | 1990-07-11 | 1992-06-16 | Harman International Industries, Incorporated | Loudspeaker suspension |
US5319718A (en) * | 1991-10-11 | 1994-06-07 | Yocum Fred D | Loudspeaker cone and method for making same |
EP0552040B1 (de) * | 1992-01-15 | 1996-01-03 | Patrick Arthur Leach | Verfahren und Vorrichtung zur Herstellung eines Lautsprecherkonus und einer Sickenanordnung |
EP0647386A1 (de) * | 1992-05-14 | 1995-04-12 | YOCUM, Fred D. | Lautsprecherkonus- sickenanordnung mit integrierter dichtung |
-
1993
- 1993-12-18 DE DE4343324A patent/DE4343324A1/de not_active Withdrawn
-
1994
- 1994-11-30 DK DK94118843T patent/DK0659031T3/da active
- 1994-11-30 EP EP94118843A patent/EP0659031B1/de not_active Expired - Lifetime
- 1994-11-30 AT AT94118843T patent/ATE171586T1/de active
- 1994-11-30 DE DE59406968T patent/DE59406968D1/de not_active Expired - Lifetime
- 1994-11-30 ES ES94118843T patent/ES2122134T3/es not_active Expired - Lifetime
- 1994-12-19 JP JP6315234A patent/JPH07264693A/ja active Pending
- 1994-12-19 US US08/358,742 patent/US5574797A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07264693A (ja) | 1995-10-13 |
US5574797A (en) | 1996-11-12 |
EP0659031A1 (de) | 1995-06-21 |
DE4343324A1 (de) | 1995-06-22 |
ATE171586T1 (de) | 1998-10-15 |
DK0659031T3 (da) | 1999-06-14 |
ES2122134T3 (es) | 1998-12-16 |
DE59406968D1 (de) | 1998-10-29 |
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