EP1026919A2 - Haut-parleur avec connection sans soudure - Google Patents

Haut-parleur avec connection sans soudure Download PDF

Info

Publication number
EP1026919A2
EP1026919A2 EP99121845A EP99121845A EP1026919A2 EP 1026919 A2 EP1026919 A2 EP 1026919A2 EP 99121845 A EP99121845 A EP 99121845A EP 99121845 A EP99121845 A EP 99121845A EP 1026919 A2 EP1026919 A2 EP 1026919A2
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
base body
holding means
clamping
cable
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.)
Withdrawn
Application number
EP99121845A
Other languages
German (de)
English (en)
Other versions
EP1026919A3 (fr
Inventor
Stefan Geisenberger
Gerhard Wandl
Reinhard Maier
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
Harman Audio Electronic Systems GmbH
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 Harman Becker Automotive Systems GmbH, Harman Audio Electronic Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of EP1026919A2 publication Critical patent/EP1026919A2/fr
Publication of EP1026919A3 publication Critical patent/EP1026919A3/fr
Withdrawn legal-status Critical Current

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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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • 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

Definitions

  • the speaker basket is with a connection device provided, to the mutually insulated holding means for the connecting wires coming from the voice coil, form-fitting anchoring means for a multi-pole Connection cable and pressure medium for pressing the Belonging connecting cables to the connecting wires.
  • connection also has sufficient long-term stability.
  • connection cable is a Ribbon cable from a film-shaped carrier that is on the same side next to each other carries two conductor tracks that are spaced from each other, at least at the contact points, preferably blank over the entire length are.
  • the current carrying capacity of the electrical contact point The mounting holes are to hold as high as possible arranged between the conductor tracks. As a result, the conductor tracks themselves remain undamaged and have a maximum cross-sectional area that extends over the The length of the conductor tracks no longer changes.
  • the form-fitting anchoring means are in the simplest case, cones that are set up to with the corresponding openings on the connection line to cooperate.
  • the pin is expediently tubular and corresponds with a corresponding pin with the others Share the connector.
  • the anchoring means are most convenient on the Pressure means provided to the pressure means and To be able to pre-assemble ribbon cables together. On this is the pre-assembly of the ribbon cable and the Pre-assembly of the connecting wires for the voice coil spatially completely separated from each other.
  • the pressure means is expediently with locking means provided to the anchoring means and the pressure means connectable with each other. To this A tool also becomes unnecessary, and it can nevertheless the required bias is generated to the conductor tracks with the connecting wires in an electrical To keep in touch.
  • the locking means expediently comprise one or several latches.
  • the holding means has an insulating body, which is either an independent component or more integral Part of the speaker basket.
  • the latter is special possible if the speaker basket itself is a plastic injection molded part.
  • connection wires to the holding means are to be held in place, corresponding clamping notches on the holding means or clamping grooves available.
  • the notch can be on be provided on one side of the insulating body or it is in the form of a clamping groove in the abutment surface.
  • contact clips can be provided be U-shaped and with theirs Legs in corresponding openings in the holding means or its abutment surface can be inserted.
  • Another possibility is with the holding means to provide a loop on the contact surface then the stranded wire coming from the membrane in one of the side notches is inserted from there around one of the pegs of the holding means lies around and finally with its free end in another notch same side is inserted. This is due to several Make contact between the conductor track and the Connection wire possible.
  • Speakers are used to implement the process with appropriate holding means, as explained above are used.
  • FIG. 1 shows a rear view of a loudspeaker 1 with a speaker basket 2. From the speaker basket 2 are in the figure its rectangular mounting flange 3rd and to recognize a holding plate 4 for a magnet system. A total of four straight struts go from the holding plate 4 5, 6, 7 and 8 from which the mounting plate 3 with the support plate 4 connect. All parts are in one piece connected and made of plastic.
  • the loudspeaker 1 is set up by means of a ribbon cable 9 shown in FIGS. 8 and 9 with connected to the output of a low frequency amplifier become.
  • the loudspeaker 1 has a a total of 10 designated connection device that 3, 4 and 5 is explained below.
  • connection device 10 includes two as Anchoring means serving pins 12 and 13 and the Strut 7, on the flat back or outside 11 the Connection device 10 is formed.
  • the strut 7 as can be seen in FIG. 4, consistently of an approximately rectangular cross-sectional profile the flange strips 14 and 15 protrude to the side, which is somewhat are flatter than the thickness of the strut 7.
  • the flange strip 14 is with a laterally cut clamping notch 16th provided that become an outer edge 17 of the flange 14 funnel-shaped at 18.
  • Aligned with it is another notch in the other flange 15 19 provided that funnel-shaped at 21 in Direction to the other edge 22 of the flange strip 15 opens.
  • clamping notch 16 In addition to the clamping notch 16 are in the strut 7 with Distance between two rectangular openings 23 and 24 contain. They are symmetrical to the connecting line, on which the two clamping notches 16 and 19 are arranged are. Two more rectangular openings 25 and 26 are in addition to the clamping notch 19 in a similar manner to the rectangular ones Openings 23 and 24 are formed. This creates two pairs of rectangular openings 23 each and 24 or 25 and 26. The pair of openings 23 and 24 is provided for receiving a U-shaped clamping bridge 27, while the two openings 25 and 26 for receiving serve an identically designed clamping bridge 28.
  • the two clamps 27 and 28 are made of metal, for example, sheet metal bending and stamped parts. They sit on a roughly flat back 29 and two starting from the back 29 in the same direction Legs 31 and 32 together, which are parallel with Distance from each other are bent from the back 29.
  • the Development of the clamping bridges 27 and 28 is a rectangular one Metal strips. Both clamps 27 and 28 have the same shape and they are stuck with their thighs 31 and 32 in the corresponding openings 23, 24 or 25 and 26.
  • the connecting cable 9 (Fig. 8) consists of a flexible and band-shaped carrier 33, for example a thin silicone film.
  • the carrier 33 has two to each other parallel flat sides 34 and 35, the Flat side 35 forms the back while the other Side, the front 34 with two parallel at a distance mutually extending copper tracks 36 and 37 are provided that are isolated from each other.
  • the two copper tracks 36 and 37 form the actual supply lines.
  • the carrier 33 contains between the two conductor tracks 36 and 37 two circular openings 38 which in Seen longitudinal direction of the carrier 33, one behind the other lie and their distance the distance between the two pins 12th and corresponds to 13. Their diameter results from the following functional description.
  • the holding clip 39 is a Injection molded plastic part and consists of a rectangular plane-parallel plate 41 with a flat underside or pressure surface 42 from the vicinity of their two lateral edges 43 and 44 a total of four locking hooks 45 protrude at right angles.
  • the locking hooks 45 are identical to each other and at the corners of an imaginary Rectangle arranged. They consist of a style 46, the protrudes at right angles from the pressure surface 42, and go at its free end into a locking lug 47. As in FIG. 7 shows, two locking lugs 47 protrude towards each other, the distance between the stems 46 at these Locking hook 45 the distance between the two outer edges 17 and 22 of the carrier 7 corresponds.
  • Each mushroom-shaped Pin 48 is composed of a tubular neck part 49 and one over the cylindrical outer peripheral surface thereof radially projecting projection 51 together.
  • the outside diameter of the neck part 49 corresponds approximately to the diameter the opening 38 in the connecting cable 9, during the radial bead-like projection 51 slightly larger than this Diameter is.
  • the protruding bead is for manufacturing reasons 51 no closed bead or rib, which is closed around the neck portion 41 in the circumferential direction extends. Rather, this bead-like extension continues 51 composed of four sections, with the openings in the Base body 41 are aligned so that it is possible with simple rigid tools to inject the bracket 40.
  • the connecting wire 54 is in the other clamping notch 19 pinched and also facing the viewer Back 10 of the strut 7 bent. Then will the second clamping bridge 28 into the slot-shaped openings 25 and 26 inserted and a possible protrusion is cut off to short circuit between the leads To avoid 53 and 54.
  • the retaining clip is now 39 with the ribbon cable 9 attached to it Brace 7 snapped on.
  • the snapping is done so that the pins 12 and 13 in the holes of the penetrate tubular neck parts 49 and thereby the location the retaining clip 39, based on the longitudinal direction of the Brace 7, fix.
  • the snap-in lugs grip when snapped on 47 behind the two flange strips 14 and 15, like this can be seen in the lower part of FIG. 8.
  • a slight deflection of the plate-shaped Base body 41 of the retaining clip 39 required. The slight deformation leads to the required To generate pressure with which the ribbon cable 9 with its two conductor tracks 36 and 37 against the two Clamping bridges 27 and 28 is pressed.
  • the holding bracket 39 is with the help of the total of four locking hooks 45 against the back of the Brace 7 pulled.
  • the pressure surface 42 presses it Ribbon cable 9 against the clamping bridges 27 and 28.
  • the ribbon cable 9 runs between the total of four locking hooks 45 approximately parallel to the strut 7.
  • the gap between the two clamps 27 and 28 corresponds essentially to the distance that the two Have interconnects 36 and 37 from each other. You have in Essentially the purpose during the assembly of the wire ends hold down and in an orientation transverse to that Keep longitudinal extension of the strut 9, so that a proper Contacting with conductor tracks 36 and 37 comes about.
  • mushroom-shaped pin 48 in the longitudinal direction are slotted, they can be put together by the Pins 12 and 13 are expanded like expansion dowels. she then fix the ribbon cable even better and vibration-free 9.
  • the holding clip shown in Figs. 6 and 7 is modified so that the tubular pin 48 including bead 51 is missing and through a corresponding opening is replaced.
  • the ribbon cable is then 9 with the openings 38 placed on the pin 12, 13 and then the retaining clip 38 is snapped on, it should be noted that the pins 12 and 13 in the engage corresponding openings in the holding clip 39.
  • the openings 38 to the diameter the pins 12 and 13 are adjusted and the distance between the conductor tracks 37 and 38 is selected in such a way that in this gap those sections of connecting leads 53 and 54 place that directly on the pin 12 and 13 concerns.
  • the ribbon cable is positively held on the two pins 12 and 13. As with the first embodiment, it can only with simultaneous destruction under the retaining clip 39 be brought up.
  • the speaker basket 2 is not consists entirely of an insulating material or at least a section corresponding to the strut 7, the Pins 12 and 13 together with the notches 16 and 19 or the additional clamping notches 55 and 56 on one be formed separate insulating piece, the shape about the detail shown in the figures from the Brace 7 corresponds.
  • the molded part obtained in this way made of insulating material can with suitable fasteners, for example Locking lugs or the like, on a metallic Brace of the speaker basket can be attached. Furthermore the assembly is as described.
  • a loudspeaker there are two isolated from each other Holding means provided in the form of clamping notches in order to connecting leads leading from the loudspeaker diaphragm to hold firmly.
  • the holding means can at the same time be trained so that the connecting strands lie flat on a pressure surface.
  • One for connection provided ribbon cable carries on the same side two otherwise isolated from each other in parallel Conductor tracks. With the help of a pressure medium, that is Connection cable against the bent sections of the connecting leads pressed. Passing through the ribbon cable Pins prevent the connection cable can be pulled out from under the pressure medium.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Multi-Conductor Connections (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
EP99121845A 1999-02-02 1999-11-04 Haut-parleur avec connection sans soudure Withdrawn EP1026919A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19903823 1999-02-02
DE1999103823 DE19903823B4 (de) 1999-02-02 1999-02-02 Lautsprecher mit lötfreiem Anschluss

Publications (2)

Publication Number Publication Date
EP1026919A2 true EP1026919A2 (fr) 2000-08-09
EP1026919A3 EP1026919A3 (fr) 2006-04-05

Family

ID=7895964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121845A Withdrawn EP1026919A3 (fr) 1999-02-02 1999-11-04 Haut-parleur avec connection sans soudure

Country Status (2)

Country Link
EP (1) EP1026919A3 (fr)
DE (1) DE19903823B4 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524297A (en) * 1947-02-10 1950-10-03 Quam Nichols Company Method of manufacturing loud speakers
US4465905A (en) * 1982-04-28 1984-08-14 International Jensen Incorporated Loudspeaker assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19630169A1 (de) * 1996-07-26 1998-01-29 Nokia Deutschland Gmbh Schwingspulenkontaktanordnung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524297A (en) * 1947-02-10 1950-10-03 Quam Nichols Company Method of manufacturing loud speakers
US4465905A (en) * 1982-04-28 1984-08-14 International Jensen Incorporated Loudspeaker assembly

Also Published As

Publication number Publication date
EP1026919A3 (fr) 2006-04-05
DE19903823A1 (de) 2000-08-03
DE19903823B4 (de) 2010-04-15

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