EP0771048B2 - Enveloppe tubulaire - Google Patents

Enveloppe tubulaire Download PDF

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Publication number
EP0771048B2
EP0771048B2 EP19960116862 EP96116862A EP0771048B2 EP 0771048 B2 EP0771048 B2 EP 0771048B2 EP 19960116862 EP19960116862 EP 19960116862 EP 96116862 A EP96116862 A EP 96116862A EP 0771048 B2 EP0771048 B2 EP 0771048B2
Authority
EP
European Patent Office
Prior art keywords
sleeve
closed
component
insulation
terminals
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
Application number
EP19960116862
Other languages
German (de)
English (en)
Other versions
EP0771048A2 (fr
EP0771048B1 (fr
EP0771048A3 (fr
Inventor
Jens Radbruch
Udo Witteck
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.)
TMC SENSORTECHNIK GMBH
Original Assignee
TMC Sensortechnik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26019798&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0771048(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19621830A external-priority patent/DE19621830A1/de
Application filed by TMC Sensortechnik GmbH filed Critical TMC Sensortechnik GmbH
Publication of EP0771048A2 publication Critical patent/EP0771048A2/fr
Publication of EP0771048A3 publication Critical patent/EP0771048A3/fr
Application granted granted Critical
Publication of EP0771048B1 publication Critical patent/EP0771048B1/fr
Publication of EP0771048B2 publication Critical patent/EP0771048B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H01R4/72—Insulation of connections using a heat shrinking insulating sleeve

Definitions

  • the invention is based on a tubular casing for electrical insulation of components according to the preamble of claim 1.
  • Such casings are well known. They serve to insulate terminals and encapsulate electrical components such as capacitors, relays, coils, thermal circuit breakers and the like. They are adapted in their dielectric, mechanical and thermal properties to the particular application. Depending on the required thermal capacity and the necessary dielectric strength, there are different versions with different dimensions. They preferably consist of a polyester or polyolefin material with or without shrinkage capacity. By lining the tubular casings with an aramid paper, the thermal load capacity can be increased. However, this reduces the shrinkage capacity of the tubing, as far as it possesses this property.
  • the above-described sheaths are usually at one end before inserting the component to be insulated, e.g. already formed into a cap under the action of heat by flat pressing. After the component is inserted, the other end of the cap is closed accordingly.
  • a hard crescent-shaped surface which projects outwardly sharp over the tubular body.
  • Another electrically insulating sheath for isolation from an end node is also known for example from DE 41 10 455 A.
  • the object of the invention is to provide an insulating sheath for electrical components, in which the risk of injury of adjacent components is reduced by a component so insulated to a minimum.
  • the closed end portions of the envelopes are wedge-shaped by the folded sides and have no over the hull profile protruding sharp edges.
  • Fig. 3 shows in plan view a tubular casing 1 which, according to a prior art, is obtained by simple flat pressing under e.g. Heat action of the two end portions 2 and 2a of the shell is welded end. As shown, the end portions 2 and 2a are deformed sickle-shaped and have sharp corners, which also protrude laterally beyond the rest of the shell body. By welding, the end portions 2 and 2a become hard and can, as described above, e.g. When inserting between the turns of a winding with the sharp-edged Ekken injure the sensitive insulation of the winding wire or cut thin wires.
  • FIG. 1 shows a tubular casing 1, one end of which is also welded by flat pressing, but whose end region 2 terminates wedge-shaped towards the front. This is achieved by folding in the front shell end on opposite sides of the end region 2.
  • FIG. 2A shows the casing 1 of FIG. 1 in view of the end face to be closed prior to pressing.
  • the casing 1 is folded in the end region 2 on opposite sides towards the middle in such a way that the end region 2 tapers to the front through the formation of the folds 3, as can be seen Fig.1.
  • the thus prepared casing end is then pressed in a conventional manner using heat or adhesive.
  • FIG. 2B shows the envelope 1 closed on one side with its wedge-shaped tapering end region 2 according to FIG.
  • FIG. 4 shows a shell 1 according to Figure 1, which is equipped with an electrical component 5, the terminals 6 are led out on one side.
  • the cap-shaped shell 1 projects beyond the open end of the component 5 sufficiently far, so that the end portion 2a is long enough to form wrinkles.
  • 4A shows the view on the front side with the lead-out terminals 6.
  • the folds 4 are formed by wrapping the casing material under the terminals 6, so that the thereby wedge-shaped tapered end portion 2a closely the terminals 6 is applied. By a subsequent shrinkage process, the folds 4 are fixed, at the same time the casing material tightly around the component 5 and the terminals 6 sets.
  • FIG. 5 shows a protected by a shell 7 electrical component 10, the terminals 11 are led out on opposite sides.
  • the sheath 7 is open for fitting with a component 10 on both sides.
  • the sheath 7 is longer around the end portions 7a and 7b than the member 10 to ensure the formation of folds 8 and 9.
  • Fig.5A shows the Fig.5 in the view of the end faces with the led out terminals 11. Since the views of both end faces are the same, a double representation is unnecessary.
  • the formation of the folds 8 and 9 takes place in the manner shown and described by Figures 2A and 2B.
  • the shrinkage process following the formation of wrinkles, to which the sleeve 7 is subjected settles the casing material according to FIG. 5A closely around the component 10 and the connections 8 and 9.
  • the tubular casing material preferably consists of a polyester or polyolefin material with or without shrinkage properties.
  • shrinkable tubing for the sheath 1 or 7 to offer materials with different shrink rates.
  • thermal load capacity of the tubing shrinkage decreases.
  • non-shrinkable aramid paper the shrinkability continues to decrease.
  • the folding of the shell 1 or 7, with their pressing a pre-shrinkage of the end portions 2 and 2a or 7a and 7b may be connected, done in egg nem dimensions, which ensures that the shell 1 and 7 after theshrinking on an electrical component still has a tapered end portions 2 and 2a or 7a and 7b.
  • the impact of the folds 3 and 4 or 8 and 9 may be slightly lower.
  • the folding of the sheath ends ensures that upon insertion of a protected by a shell 1 or 7 electrical component due to the edge-free and wedge-shaped tapered ends of the shell injury to the insulation of adjacent electrical components or lines is largely prevented.
  • there is a multiple material thickness which, above all, results in an increase in the dielectric values in this area.

Landscapes

  • Insulating Bodies (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Details Of Indoor Wiring (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (4)

  1. Enveloppe tubulaire pour l'isolation de composants électromécaniques et/ou électroniques, dont la zone dépassante des extrémités est fermée par applatissement en tenant compte des distances électriques indispensables, caractérisé par le fait que la zone des extrémités à fermer (2, 2a et 7a, 7b) de l'enveloppe (1) est, avant applatissement, rentrée sous forme de pli creux sur chacun des deux côtés se faisant face (plis 3, 4 et 8, 9), et que les plis (3, 4 et 8, 9) ont une profondeur telle que les extrémités fermées (2, 2a et 7a, 7b) se rétrécissent en forme de coin par rapport au reste du corps de l'enveloppe.
  2. Enveloppe selon la revendication 1 pour l'isolation de composants possédant des sorties de connexions sur un seul côté, caractérisée par le fait que l'enveloppe (1) avant d'être munie d'un composant (5) est transformée en capuchon en fermant une extrémité (2) et que l'autre extrémité (2a) est ensuite, après insertion d'un composant (5), fermée de la même manière.
  3. Enveloppe selon la revendication 1 pour l'isolation de composants possédant des sorties de connexion de part et d'autre de leurs extrémités, caractérisée par le fait que la fermeture des extrémités de l'enveloppe (7) est effectuée après insertion du composant (10).
  4. Enveloppe selon la revendication 1, caractérisée par le fait qu'elle est constituée en tout ou en partie par un matériau rétractable.
EP19960116862 1995-10-26 1996-10-21 Enveloppe tubulaire Expired - Lifetime EP0771048B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19539843 1995-10-26
DE19539843 1995-10-26
DE19621830A DE19621830A1 (de) 1995-10-26 1996-05-31 Schlauchförmige Hülle
DE19621830 1996-05-31

Publications (4)

Publication Number Publication Date
EP0771048A2 EP0771048A2 (fr) 1997-05-02
EP0771048A3 EP0771048A3 (fr) 1998-12-16
EP0771048B1 EP0771048B1 (fr) 2001-01-03
EP0771048B2 true EP0771048B2 (fr) 2005-09-21

Family

ID=26019798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960116862 Expired - Lifetime EP0771048B2 (fr) 1995-10-26 1996-10-21 Enveloppe tubulaire

Country Status (2)

Country Link
EP (1) EP0771048B2 (fr)
ES (1) ES2153928T5 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007018206B4 (de) * 2007-04-16 2010-03-18 Tmc Sensortechnik Gmbh Temperaturbegrenzer sowie Verfahren zum Herstellen einer Hülle und Aufbringen derselben auf den Körper des Temperaturbegrenzers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997411A (en) * 1956-10-02 1961-08-22 Amp Inc Closed end connector
US3385922A (en) * 1965-07-27 1968-05-28 Susquehanna Corp Electrical connector with hermetic sealing utilizing polymerization
US3908267A (en) * 1972-08-23 1975-09-30 Stone Ind Corp Method of applying an insulating connector
GB1604986A (en) * 1978-01-09 1981-12-16 Raychem Sa Nv Clip
JPS5876214A (ja) * 1981-11-02 1983-05-09 Yoshino Kogyosho Co Ltd 合成樹脂製チユ−ブ容器のシ−ル加工方法
DE3439699A1 (de) * 1984-10-30 1986-04-30 Siemens AG, 1000 Berlin und 8000 München Einlagen fuer schrumpfmuffen
DE4110455A1 (de) * 1991-03-29 1992-10-01 Schunk Ultraschalltechnik Gmbh Elektrisch isolierende umhuellung sowie vorrichtung zum umschliessen einer verbindungsstelle mit einer solchen

Also Published As

Publication number Publication date
ES2153928T3 (es) 2001-03-16
EP0771048A2 (fr) 1997-05-02
EP0771048B1 (fr) 2001-01-03
ES2153928T5 (es) 2006-04-01
EP0771048A3 (fr) 1998-12-16

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