EP0758792A2 - Réseau de connexion - Google Patents

Réseau de connexion Download PDF

Info

Publication number
EP0758792A2
EP0758792A2 EP96112250A EP96112250A EP0758792A2 EP 0758792 A2 EP0758792 A2 EP 0758792A2 EP 96112250 A EP96112250 A EP 96112250A EP 96112250 A EP96112250 A EP 96112250A EP 0758792 A2 EP0758792 A2 EP 0758792A2
Authority
EP
European Patent Office
Prior art keywords
coupling points
area
switching
film
mechanically
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.)
Granted
Application number
EP96112250A
Other languages
German (de)
English (en)
Other versions
EP0758792A3 (fr
EP0758792B1 (fr
Inventor
Jörg Dipl.-Ing. Franzke
Wolfgang Dipl.-Ing. Kraft
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.)
TE Connectivity Germany GmbH
Original Assignee
Krone 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 Krone GmbH filed Critical Krone GmbH
Publication of EP0758792A2 publication Critical patent/EP0758792A2/fr
Priority to BR9710461A priority Critical patent/BR9710461A/pt
Publication of EP0758792A3 publication Critical patent/EP0758792A3/fr
Application granted granted Critical
Publication of EP0758792B1 publication Critical patent/EP0758792B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/24—Co-ordinate-type relay switches having an individual electromagnet at each cross-point
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/022—Actuators other then push button electromagnetic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/046—Actuators bistable
    • H01H2221/048—Actuators bistable magnetic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature

Definitions

  • the invention relates to a switching matrix for switching electrical signal lines.
  • Switching networks are preferably used in communication and data technology when a large number of lines have to be switched.
  • EMC electromagnetic interference
  • Switching fields that are not tied to a specific type of signal are based on electrodynamic, thermal or electrostatic properties. These coupling fields are very complex, which results in very high manufacturing costs. The same applies to micromechanical coupling fields.
  • switching fields that are not signal-bound are the known electromechanical switching fields. These consist of individual relays that are connected to coupling fields by appropriate wiring using wire or printed circuit boards. This type of implementation of the switching matrix becomes particularly problematic with a large number of coupling points, since these then have to be arranged in different levels. Large quantities of connection cables and various control modules must be used for this. In addition, with non-latching relays, current must flow continuously through the coil to keep the contact closed. This leads to an undesirably large power consumption, especially since in many applications the individual crosspoints are only switched very rarely.
  • Such a three-dimensional galvanic switch is known from WO 92/22919 known in which spherical connecting means are moved by means of three positioning axes.
  • the spherical connecting means are alternately made conductive or insulating, so that the corresponding coupling point is either switched through or opened.
  • This well-known switching matrix allows a compact, self-retaining design of the switching matrix. The disadvantage of this design is the complex and costly mechanics.
  • the invention is therefore based on the problem of creating a robust, signal type-independent switching matrix that can be produced in a cost-effective and compact design.
  • the assignment of a permanent magnet to the one contact surface and the assignment of a coil with ferromagnetic material to the opposite contact surface of each coupling point result in a particularly simple and robust design of the coupling field.
  • the assigned ferromagnetic material is magnetized by the selective excitation of the coil of a coupling point. With a suitable polarity of the excitation there is a magnetic attraction between the permanent magnet and the ferromagnetic material and thus the opposite contact surfaces. The crosspoint is therefore closed. This state remains even after the excitation of the coil is switched off. The coupling point can be opened again by reversing the polarity of the excitation.
  • a particularly compact design of the switching matrix is possible, in particular, through the design of the switching matrix using foils.
  • the design using foils allows the coupling fields to be manufactured cost-effectively, since the correspondingly pre-processed foils can be further processed from the roll and a particularly high throughput can thus be achieved.
  • the invention is explained in more detail below on the basis of a preferred exemplary embodiment explained.
  • the single figure shows a cross section through a coupling point of the switching matrix.
  • the switching matrix consists of a large number of coupling points 1, preferably arranged in a matrix, for the sake of clarity, only one coupling point 1 is shown in cross section in FIG.
  • a mechanically flexible film 2 preferably serves as the base of the switching matrix.
  • a mechanically stable film 3 is applied to the mechanically flexible film 2.
  • the two films 2, 3 can be glued together or finally laminated with the other films.
  • the mechanically stable film 3 is opened in the area of the coupling points 1. This can be done, for example, by punching out or other methods known in film technology.
  • a mechanically flexible film 4 is applied to the mechanically stable film 3, on the underside of which permanent magnets 5 are attached in the area of the coupling points 1 and on the upper side contact surfaces 6.
  • the permanent magnets 5 and the contact surfaces 6 are preferably attached by gluing to the mechanically flexible film 4.
  • the dimensions of the permanent magnet 5 are somewhat smaller than the cavities created by the opening of the mechanically stable film 3.
  • a mechanically stable film 7 is applied to the mechanically flexible film 4 and is open in the area of the coupling points 1.
  • the mechanically stable film 7 is basically constructed in exactly the same way as the mechanically stable film 3.
  • a mechanically flexible film 8 is applied to the mechanically stable film 7, on the underside of which in the area of the coupling points 1 contact surfaces 9 and on the upper side of which a ferromagnetic material 10 are fastened.
  • the contact surfaces 9 and the ferromagnetic material 10 are preferably attached by gluing.
  • the contact surfaces 6, 9 are arranged congruently to one another, it being possible in principle that a plurality of contact surfaces 6, 9 are used instead of one.
  • a mechanically stable film 11 is applied to the mechanically flexible film 8 and is open in the area of the coupling points 1.
  • the mechanically stable film 11 is constructed in exactly the same way as the mechanically stable films 3, 7 described above.
  • the height dimension of the ferromagnetic material 10 can be less than or equal to the height dimension of the mechanically stable film 11.
  • On the mechanically stable Foil 11 is a preferably mechanically stable foil 12 applied.
  • Coils 13 are embedded or etched into the film 12 in the area of the coupling points.
  • the electrical leads 14 of the coils 13 are arranged on the film 12, preferably in a matrix, towards the edges of the switching matrix.
  • the function of the switching matrix is explained below. If the coil 13 of a coupling point 1 is selectively excited with appropriate polarity, a magnetic field is built up which magnetizes the ferromagnetic material 10. This results in a magnetic attraction between the permanent magnet and the ferromagnetic material 10. The mechanically flexible foils 4, 8 are bent by the force to such an extent that the contact surfaces 6, 9 touch and switch through the coupling point. If the excitation of the coil 13 is now interrupted, the ferromagnetic material 10 remains in its magnetized state and the coupling point 1 remains switched through. If the contact is to be separated again, the coil 13 is excited with reverse polarity.
  • the electrical signal lines, which are connected or disconnected via the contact surfaces 6, 9, are preferably led out as conductor tracks on the mechanically flexible foils 4, 8 to the edges of the switching matrix.
  • the distances between the individual coupling points 1 must be selected to be sufficiently large that, on the one hand, magnetic interference is avoided and, on the other hand, the mechanically flexible foils 4, 8 are sufficiently clamped in the region of a coupling point 1 so that the foils 4, 8 deflect the surrounding coupling points 1 at a coupling point 1 are not influenced.
  • the individual foils can be glued or laminated together, for example.
  • the production by means of foils, which can be processed, for example, from the roll, enables particularly cost-effective production with high throughput.
  • a preferred field of application of the switching matrix is the use as a signal-independent, remotely controllable distributor in communication and data technology.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Micromachines (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Near-Field Transmission Systems (AREA)
  • Push-Button Switches (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Control Of Stepping Motors (AREA)
  • Inorganic Insulating Materials (AREA)
  • Control Of Eletrric Generators (AREA)
  • Electronic Switches (AREA)
EP96112250A 1995-08-16 1996-07-30 Réseau de connexion Expired - Lifetime EP0758792B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9710461A BR9710461A (pt) 1996-07-30 1997-07-09 Processo para a preparacÆo de espumas de pol¡uretano espumas de poliuretano semi-r¡gidas de c-lula aberta e composicÆo reativa a isocianato

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19529974A DE19529974C1 (de) 1995-08-16 1995-08-16 Koppelfeld
DE19529974 1995-08-16

Publications (3)

Publication Number Publication Date
EP0758792A2 true EP0758792A2 (fr) 1997-02-19
EP0758792A3 EP0758792A3 (fr) 1998-05-13
EP0758792B1 EP0758792B1 (fr) 2001-10-17

Family

ID=7769515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96112250A Expired - Lifetime EP0758792B1 (fr) 1995-08-16 1996-07-30 Réseau de connexion

Country Status (12)

Country Link
US (1) US5742012A (fr)
EP (1) EP0758792B1 (fr)
JP (1) JPH09120746A (fr)
CN (1) CN1148256A (fr)
AT (1) ATE207237T1 (fr)
BR (1) BR9603444A (fr)
CA (1) CA2182931C (fr)
DE (2) DE19529974C1 (fr)
DK (1) DK0758792T3 (fr)
ES (1) ES2166852T3 (fr)
MX (1) MX9603441A (fr)
PT (1) PT758792E (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5921382A (en) * 1998-09-30 1999-07-13 Datahand Systems, Inc Magnetically enhanced membrane switch
US6410360B1 (en) * 1999-01-26 2002-06-25 Teledyne Industries, Inc. Laminate-based apparatus and method of fabrication
US6366186B1 (en) * 2000-01-20 2002-04-02 Jds Uniphase Inc. Mems magnetically actuated switches and associated switching arrays
AUPQ824700A0 (en) 2000-06-20 2000-07-13 Alcatel Bi-stable microswitch including magnetic latch
US20020075108A1 (en) * 2000-12-15 2002-06-20 Ward Lester G. Method of remotely actuating a membrane switch by attractive or repulsive magnetic force
AU784864B2 (en) * 2001-03-15 2006-07-13 Micro Relay Holdings Pty Ltd Telecommunication relay array for DSL network configuration
BE1021760B1 (nl) * 2013-09-26 2016-01-15 Niko Nv Elektromechanisch relais

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869687A (en) * 1972-12-07 1975-03-04 Int Standard Electric Corp Bistable crosspoint matrix
DE2633201A1 (de) * 1976-07-23 1978-01-26 Siemens Ag Gleichrichterkoppler
JPS58169825A (ja) * 1982-03-31 1983-10-06 日本メクトロン株式会社 パネルキ−ボ−ド
DE3334708A1 (de) * 1983-09-24 1985-04-11 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Folientastatur
US5121091A (en) * 1989-09-08 1992-06-09 Matsushita Electric Industrial Co., Ltd. Panel switch
SE468693B (sv) * 1991-06-17 1993-03-01 Ericsson Telefon Ab L M Galvanisk kopplingsanordning
US5616897A (en) * 1993-06-30 1997-04-01 Weber; Michael R. Flexible keyboard
US5561278A (en) * 1994-09-16 1996-10-01 Rutten; Phillip Membrane switch
US5557079A (en) * 1995-07-03 1996-09-17 Motorola, Inc. Electronic device with shielded keypad interface

Also Published As

Publication number Publication date
DE19529974C1 (de) 1996-10-24
CA2182931C (fr) 2002-06-25
JPH09120746A (ja) 1997-05-06
PT758792E (pt) 2002-04-29
ATE207237T1 (de) 2001-11-15
ES2166852T3 (es) 2002-05-01
CA2182931A1 (fr) 1997-02-17
EP0758792A3 (fr) 1998-05-13
BR9603444A (pt) 1998-05-12
EP0758792B1 (fr) 2001-10-17
MX9603441A (es) 1997-03-29
CN1148256A (zh) 1997-04-23
US5742012A (en) 1998-04-21
DE59607931D1 (de) 2001-11-22
DK0758792T3 (da) 2002-02-04

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