EP0207365A2 - Méthode de fabrication d'un relais à languettes pour l'interruption de courants à fréquence élevée et relais à languettes fabriqué ainsi - Google Patents

Méthode de fabrication d'un relais à languettes pour l'interruption de courants à fréquence élevée et relais à languettes fabriqué ainsi Download PDF

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Publication number
EP0207365A2
EP0207365A2 EP86108280A EP86108280A EP0207365A2 EP 0207365 A2 EP0207365 A2 EP 0207365A2 EP 86108280 A EP86108280 A EP 86108280A EP 86108280 A EP86108280 A EP 86108280A EP 0207365 A2 EP0207365 A2 EP 0207365A2
Authority
EP
European Patent Office
Prior art keywords
coil
tube
reed relay
bearing
bobbin
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
EP86108280A
Other languages
German (de)
English (en)
Other versions
EP0207365A3 (en
EP0207365B1 (fr
Inventor
Gerhard Strauss
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.)
ELFEIN ELEKTROFEINGERATEBAU GmbH
Original Assignee
ELFEIN ELEKTROFEINGERATEBAU 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 ELFEIN ELEKTROFEINGERATEBAU GmbH filed Critical ELFEIN ELEKTROFEINGERATEBAU GmbH
Priority to AT86108280T priority Critical patent/ATE71238T1/de
Publication of EP0207365A2 publication Critical patent/EP0207365A2/fr
Publication of EP0207365A3 publication Critical patent/EP0207365A3/de
Application granted granted Critical
Publication of EP0207365B1 publication Critical patent/EP0207365B1/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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/10—Electromagnetic or electrostatic shielding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Definitions

  • the invention relates to a method according to the preamble of the main claim and a reed relay according to the preamble of claim 7. It is known to manufacture reed relays constructed from so-called reed switches in a variety of ways, for example by inserting the glass tube with a vacuum inside, with a melted-in contact pair, which represents the reed switch, together with a coil winding surrounding the glass tube, into a shrink tube and through it Heating and a double-sided clamping process after hardening as the reed relay formed in this way forms the relay housing on the one hand and protects the glass tube at the same time.
  • the known reed relays therefore usually include a coil carrier, which forms the coil and at the same time supports the glass tube of the reed switch so that when the excitation is energized, the contact tongues move - the coil body can therefore, in one-piece design, simultaneously support for the coil and housing for the reed switch and thus forms the reed relay overall.
  • the invention is expressly not a so-called coax relay (see DE-PS 814 915 or essay “SchutzgasTypee " by Jung (Welz in Frequency 1960, pp. 392 - 394)), in which to maintain a constant wave resistance (characteristic v Coaxial relay) an outer tube (outer conductor) to the (inner conductor) switch is arranged over the entire length and at a constant distance.On the contrary, everything that couples should be avoided in the invention Heating of the excitation coil, from the HF range energies reach the coil.
  • the invention is therefore based on the object of designing a manufacturing method for a reed relay and creating a reed relay in such a way that the disadvantageous effects (i.e. high-frequency influence / high-voltage influence / influence of higher currents) can be avoided by particularly good low-resistance shielding in the coil area.
  • the manufacturing method according to the invention and the reed relay manufactured according to this method achieve this object in each case with the characterizing features of the main claim and of claim 7 and have the advantage that there is a particularly good resistance to the strong influence of the high-frequency electromagnetic fields, at the same time inexpensive and simple construction of the relay.
  • the invention is based on the finding that, contrary to the usual reed relay form, a division in the area of the bearing of the coil or the relay is required, firstly to implement the low-resistance coil shielding and secondly to ensure the vacuum glass tube of the reed switch and the entire reed relay to store.
  • the use of the present invention makes it possible to use (plastic) materials for the coil former and / or coil former carriers which have dielectric properties which are particularly suitable for the field of RF applications, but on the other hand because of an existing, only low temperature stability otherwise, namely in the absence of the low-resistance coil shielding guaranteed by the invention could not be used, since the by a poorly shielded coil heat loss would severely impair the stability of such materials, possibly even melt them at the limit.
  • the measures listed in the subclaims enable advantageous developments and improvements of the invention specified in the haptic claim or in claim 7.
  • the shield consists of an electrically highly conductive, usually metallic material, but which is not magnetically conductive, and it is particularly advantageous to form the shield in the form of brass tubes and brass end-face punching rings, which are also coated, preferably hot-tinned, that a particularly low-resistance connection results from the intimate connection of the separately mounted shielding parts.
  • connection can be brought about by exerting a suitable pressing pressure in a tool; this connection is then form-fitting and ensures a tight and tight fit of all parts so that the electrical coil together with the coil body is completely and completely enclosed on all sides and is therefore shielded.
  • the basic idea of the present invention is to produce a high-frequency reed relay by winding a separate coil former with the electrical coil, to wrap this coil former in a metallic sheath, so to speak, which forms a low-resistance shield, and then to connect the whole thing to a divided coil former carrier, which then at the same time stores and receives the vacuum reed switch in an inner tube, with which the high-frequency currents (for example 30 MHz at for example 5 A and operating voltages of for example 5 kV) are switched.
  • the high-frequency currents for example 30 MHz at for example 5 A and operating voltages of for example 5 kV
  • the basic manufacturing process therefore takes place in such a way that on the bobbin designated by 10 in FIG ler tube part 10a is constructed with flanges 10b, 10b 'on both sides, the coil is wound, the coil start and end, as indicated at 11a and 11b, being led out through tubular holes 12 into the coil flange 10b, 10b'.
  • the coil wound on the bobbin 10 is only indicated and provided with the reference number 13.
  • This finished “coil” is then completely shielded with a low resistance, specifically by introducing a first metallic tube 15 into the inner ring passage 14 of the coil body 10, which, like the other shielding parts, preferably consists of brass and, together with the others , still necessary parts causes the required high-frequency shielding.
  • an Mn metal magnetic shield is then provided for the coil, preferably in a foil-like configuration, which can be overlapped around the coil winding and which collects the magnetic field formed by the control of the coil and also ensures that there is no mutual interference from neighboring relays.
  • the mu-metal foil consists of a particularly magnetically permeable material.
  • an outer tube 16 is pushed onto the wound bobbin, which thus accommodates the entire bobbin with coil and the length of these two tubes 15 and 16 is determined in such a way that - as a preferred embodiment - these are terminally around on both sides extend a predetermined distance beyond the longitudinal dimension of the coil body, so that the completion of the coil shielding can be accomplished by placing so-called face washers 17a, 17b on both sides.
  • the face washers are preferably formed as punched rings and have a top view of the shape shown in FIG. 5, i.e. adjacent to the periphery and diametrically opposite two through holes 18 through which the ring-shaped holes 12 forming the ring projections extending from the coil flanges can be inserted.
  • the inner bore dimensions and the outer ring dimensions of the double-sided face washers which can preferably be punched rings, are held so that there is preferably a slight oversize, so that the inner bore of each punched washer is slightly smaller than that Diameter of the inner tube I5, while the outer diameter of each face washer is preferably slightly larger than the inner diameter of the outer tube 16.
  • the procedure is such that the four brass parts used here are hot-tinned and the assembly is carried out by a pressing process in a suitable tool, in which the double-sided face washers are pressed into the outer tube and at the same time the inner tube is pressed into the central opening of the face washers, sometimes with a corresponding , slight material deformation, which results in a firm positive and non-positive cohesion of all screen parts with each other.
  • the described form of the shield can also be made differently; for example, the end ring disks can also be cap-shaped, in which case they are then slipped over the outer tube 16 with inwardly directed ring flanges, and at the same time inner ones can be drawn from the inner bore ring flanges originating from the face washers are pressed into the interior of the inner tube 15 - here, that is to say in the area of the connection of the individual shielding brass parts, design options are open.
  • the coil with the coil former packed in the low-resistance metallic shield is connected to the coil former carrier shown in FIGS. 2a to 2d and 3a and 3b, which is constructed as follows.
  • the first part of a bobbin carrier 18a shown in FIGS. 2a and 2d - the second part corresponding to FIGS. 3a and 3b is designated by 18b - comprises a longitudinal tube 19 which is hollow on the inside and serves to enter the inner tube 15 to be inserted in the combination unit of the coil former with the coil and the shield, as flush as possible, up to one of a bearing flange 20, which is preferably integrally connected to the tube 19.
  • the first part of a coil former carrier 18a preferably consists of a suitable plastic material such as polypropylene, for example with the Description Vestolen and is formed in one piece with the support tube 19 and end bearing flange 20, the support tube 19 passing through a vertical wall 20a of the bearing flange 20 and with this and a base plate 20b vertically attached to the wall 20a to form an L-shape of the support flange 20 via medium Reinforcing ribs 21 is connected, the two legs of the L-shape also can be connected by lateral triangular ribs 22 for reinforcement.
  • a suitable plastic material such as polypropylene
  • the one partial wall 20a of the bearing flange 20 has lateral incisions 23a, 23b, which accommodate the projecting tubular projections 12 of the coil body on both sides, which after the "packing" by the Shield material extend beyond its outer dimensions.
  • the bearing tube 19 then extends approximately on both sides as far beyond the bearing flanges 20a, 20b of the coil former carrier 18, as shown in FIGS. 2a, 2b, which also represent the dimensions of the reed relay in natural size if the unit comprising the coil former is included
  • the coil and shield as well as the second flange part are pushed on.
  • the final structure of the reed relay is then completed by inserting and fixing a special high-voltage switch, which is separately manufactured in a form not to be discussed here as a vacuum glass tube with melted-in contact paddles on both sides, into the interior of the bearing tube 19.
  • a special high-voltage switch which is separately manufactured in a form not to be discussed here as a vacuum glass tube with melted-in contact paddles on both sides, into the interior of the bearing tube 19.
  • the attachment can be done, for example, by double-sided (silicone) tube pieces, which firmly press the glass tube of the reed switch, not shown in the drawings, into the inner opening of the bearing tube 19 under pressure; however, it is also possible to completely surround the vacuum glass tube with a silicone tube and then to push the whole thing into the bearing tube 19.
  • the coil ends can also be soldered to coil connecting pins arranged on the two bearing flanges 20, 20 '(not shown in the drawing).
  • the invention also makes it possible to design such a high-frequency / high-voltage reed relay as a rest relay by arranging a magnet, preferably designed as a ring magnet, in the coil former with coil and shielding unit.
  • a magnet preferably designed as a ring magnet
  • the procedure can be such that the inner diameter of the coil former 10 shown in FIG. 1 is increased somewhat so that the ring magnet has space.
  • the insertion of the inner brass tube 15 then takes place in such a way that the ring magnet required to complete the relaxation relay is shielded from the high-frequency field, that is to say it is located within the shield.
  • a high-frequency reed relay with such a structure has the technical data which is also given below, it being understood that this information does not restrict the invention, but merely specifies one exemplary embodiment in more detail. Measurements on such a reed relay have shown that the coil heats up to a maximum of 30 Kelvin when the relay is operated at 30 MHz and 5 A rms .

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Relay Circuits (AREA)
  • Manufacture Of Switches (AREA)
EP86108280A 1985-06-28 1986-06-18 Méthode de fabrication d'un relais à languettes pour l'interruption de courants à fréquence élevée et relais à languettes fabriqué ainsi Expired - Lifetime EP0207365B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86108280T ATE71238T1 (de) 1985-06-28 1986-06-18 Verfahren zur herstellung eines reedrelais zur schaltung von hochfrequenten stroemen und danach hergestelltes reedrelais.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853523114 DE3523114A1 (de) 1985-06-28 1985-06-28 Verfahren zur herstellung eines reedrelais zur schaltung von hochfrequenten stroemen und danach hergestelltes reedrelais
DE3523114 1985-06-28

Publications (3)

Publication Number Publication Date
EP0207365A2 true EP0207365A2 (fr) 1987-01-07
EP0207365A3 EP0207365A3 (en) 1989-07-19
EP0207365B1 EP0207365B1 (fr) 1992-01-02

Family

ID=6274411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86108280A Expired - Lifetime EP0207365B1 (fr) 1985-06-28 1986-06-18 Méthode de fabrication d'un relais à languettes pour l'interruption de courants à fréquence élevée et relais à languettes fabriqué ainsi

Country Status (4)

Country Link
US (1) US4752754A (fr)
EP (1) EP0207365B1 (fr)
AT (1) ATE71238T1 (fr)
DE (2) DE3523114A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0700576A4 (fr) * 1993-05-11 1997-09-24 Gen Datacomm Ind Inc Relais de detection de courant transforme destine a etre utilise dans des modems de reseau commute et circuit dans lequel celui-ci est integre

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570072A (en) * 1995-01-03 1996-10-29 Siemens Stromberg-Carlson Method of establishing a relay contact arrangement
US5594400A (en) * 1995-01-03 1997-01-14 Siemens Stromberg-Carlson Reed relay
EP0805471A1 (fr) * 1996-04-30 1997-11-05 C.P. Clare Corporation Relais électromagnétique et son procédé de fabrication
DE19747166C1 (de) * 1997-10-24 1999-06-02 Siemens Ag Verfahren zur Herstellung eines Relais
JP3345375B2 (ja) * 1999-06-29 2002-11-18 アジレント・テクノロジー株式会社 リードリレー
US6329892B1 (en) * 2000-01-20 2001-12-11 Credence Systems Corporation Low profile, current-driven relay for integrated circuit tester
US10026575B2 (en) * 2014-03-11 2018-07-17 Shenzhen Zhiyou Battery Integration Technology Co., Ltd Reed relay
CN113675959B (zh) * 2021-10-22 2022-01-04 成都斯普奥汀科技有限公司 一种用于提升磁感应无线充电收发端耦合强度的天线系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL223418A (fr) * 1956-12-21
US3134867A (en) * 1961-07-26 1964-05-26 Richard S Winship Multiple-flux electrical reed relay
DE1270179B (de) * 1963-10-31 1968-06-12 Siemens Ag Verzoegert arbeitendes Schutzrohrkontaktrelais
US3268839A (en) * 1965-03-05 1966-08-23 Gen Electric Magnetic reed relay
DE1950689A1 (de) * 1969-10-08 1971-04-15 Emil Schober Kalibrier- und Anpressvorrichtung,insbesondere fuer das konzentrische Verschweissen von Kunststoffrohren u.dgl.
US3560898A (en) * 1969-11-13 1971-02-02 Herbert D Steinback Coaxial reed relay
US3829802A (en) * 1973-08-21 1974-08-13 Guardian Electric Mfg Co Process for winding a coil on a reed switch having coil form means mounted on the switch capsule
SE7704730L (sv) * 1976-05-03 1977-11-04 Clare Int Nv C P Tungrele
SU702424A1 (ru) * 1977-09-07 1979-12-05 Предприятие П/Я Г-4377 Реле
US4225836A (en) * 1978-08-18 1980-09-30 C.P. Clare International, N.V. Magnetic relay
US4408817A (en) * 1981-07-22 1983-10-11 Sun Chemical Corporation P. C. Board bobbin construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0700576A4 (fr) * 1993-05-11 1997-09-24 Gen Datacomm Ind Inc Relais de detection de courant transforme destine a etre utilise dans des modems de reseau commute et circuit dans lequel celui-ci est integre

Also Published As

Publication number Publication date
DE3523114C2 (fr) 1989-02-02
EP0207365A3 (en) 1989-07-19
ATE71238T1 (de) 1992-01-15
EP0207365B1 (fr) 1992-01-02
DE3523114A1 (de) 1987-01-08
DE3683198D1 (de) 1992-02-13
US4752754A (en) 1988-06-21

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