EP0893855A2 - Connexion de câble pour un élément électromécanique de construction - Google Patents

Connexion de câble pour un élément électromécanique de construction Download PDF

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Publication number
EP0893855A2
EP0893855A2 EP98107090A EP98107090A EP0893855A2 EP 0893855 A2 EP0893855 A2 EP 0893855A2 EP 98107090 A EP98107090 A EP 98107090A EP 98107090 A EP98107090 A EP 98107090A EP 0893855 A2 EP0893855 A2 EP 0893855A2
Authority
EP
European Patent Office
Prior art keywords
component
cable
cables
connection
cable connection
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
EP98107090A
Other languages
German (de)
English (en)
Other versions
EP0893855B1 (fr
EP0893855A3 (fr
Inventor
Ulrich Schoor
Dieter Kienzler
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0893855A2 publication Critical patent/EP0893855A2/fr
Publication of EP0893855A3 publication Critical patent/EP0893855A3/fr
Application granted granted Critical
Publication of EP0893855B1 publication Critical patent/EP0893855B1/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
    • H01R4/02—Soldered or welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component

Definitions

  • the invention relates to a cable connection for an electromechanical Component, in particular a component, that in the area of the connection point of the cable on the component Performs movements, stretches or compressions, according to the preamble of the main claim.
  • piezo component For a piezo component, for example, it is known that when changing an electrical voltage across electrodes the piezo component via contacts on the side surfaces Strains or compressions also across the Voltage connection contacts are executed. Hereby can this piezo component as an actuator for switching or other mechanical processes are used.
  • the cable for the feed line the voltage at right angles to the corresponding side surface of the piezo component and there with Surround soft solder or conductively glued. From here it will Connection cable flexible to an external connection point led away. In the area of this relatively rigid connection point on the piezo component are caused by the stretching and compression caused mechanical vibration Loads at the junction leading to a Breakage of the cable.
  • a cable connection for an electromechanical component the type described above is with the invention Characteristics of the characterizing of the main claim thereby advantageous that a more flexible connection of the cable on the component, possibly also for tolerance compensation, can be achieved.
  • connection cable for example with a piezo actuator as a component, high currents in the range of 60 A in Intervals of 200 ⁇ s can flow here the embodiment according to claim 2 is particularly advantageous, that through the parallel guidance the induction cancel and thereby the arrangement from an EMC point of view can be optimized.
  • the embodiment according to claim 3 also results an advantageous cable routing because of the connection points the cable with the component to save space in a corner adjacent sides of the component are placed can.
  • connection point with the wire or cable contact on the piezo actuator as a component can be advantageous Way across the full width of the component, resulting in a short overall length with low current densities is enabled and relatively low tensile stresses from the outside be introduced to the piezo actuator.
  • FIG. 1 is as a component a piezo actuator 1 for injection valves on an internal combustion engine in a car cut in one shown housing 2 guided so that it is expansion or Can perform upsetting movements.
  • housing 2 guided so that it is expansion or Can perform upsetting movements.
  • junctions 3 (only one visible here) becomes a thin one highly flexible, largely insulated cable 4, for example attached via a soft solder.
  • the piezo actuator carries electrical voltage on the cables 4 1 Stretching or compressing movements according to one Arrow 5 off.
  • the housing 2 has elongated cable entries 6 Recesses through which the cables 4 and optionally further cables are led outside, whereby the cable glands 6 in the direction 5 of the expansion or Extend the upsetting movement of the piezo actuator 1. Outside an insulation plate 7 is fixedly attached to the housing 2, which also have the corresponding cable bushings 6 and at which the cable 4 can be connected for strain relief. Of the Connection points 8 can be thicker, stiffer cables 9 too led further electrical control or regulating devices become.
  • the cables 4 are parallel performed in a loop 10 so that the stretch or Compression movement according to arrow 5 in a simple manner elastic can be caught and at the same time a low induction Construction is guaranteed.
  • one Loop 10 can also have multiple loops 10 or Turns are attached. By an opposite Field, caused by the current flow and the sense of turns, can the resulting in the two loops 10 magnetic Field to be compensated to the outside.
  • the insulation plate 7 also serves as a damping for those caused by the stretching or compressing movement Vibrations and isolates each one at the same time Cable 4 against the housing 2.
  • Figure 3 is a modification of the embodiment shown in Figure 1, in which the insulation plate 7 with Insulating pins 7a into the space for the piezo actuator 1 are led. This can isolate the cable 4 in the area of cable glands 6 also for one here even uninsulated cable 4 and an improved one Vibration damping can be achieved.
  • Figure 4 shows in similarly a change in the presentation Figure 2 with a pulled down with insulating pin 7a Insulation plate 7.
  • the cables 4 to adjacent sides of the component 1 led.
  • Cross the cable glands 6 here at an angle of approximately 90 °, however, they in one, in the direction of movement of the component 1 slightly offset level are arranged.
  • An embodiment according to FIG. 6 again shows one with Insulation extensions 7a pulled down insulation plate 7, whereby here the explanations for Figures 3 and 4 is referred.
  • the insulation plate 7 also with the insulation extensions 7a are carried out, with an angled at 90 ° Extension 7a (dashed line in Figure 6) a better fixation of the insulation plate 7 is achievable.
  • connection points 3 of the cables 4 can, according to FIG. 7 or 8 in addition, in FIGS. 1 and 2 concealed, foot area of the component 1 on a fixed Edition be arranged. At the foot area that is Component 1 is held mechanically and leads from this area the same stretches but the absolute movements are relatively small due to the shorter length and cause the smallest tensile stresses the respective connection point 3. The foot area can moreover, they can also be carried out completely without stretching.
  • FIG. 9 shows a variant of the respective connection point 8, which shows a soldering base that positively glued into the insulation plate 7 or is cast on this. This will be from below if necessary uninsulated cable 4 and at the other end the stiffer cable 9 for the further external connection soldered on.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
EP98107090A 1997-07-25 1998-04-18 Connexion de câble pour un élément électromécanique de construction Expired - Lifetime EP0893855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732000 1997-07-25
DE19732000A DE19732000A1 (de) 1997-07-25 1997-07-25 Kabelanschluß an einem elektromechanischen Bauelement

Publications (3)

Publication Number Publication Date
EP0893855A2 true EP0893855A2 (fr) 1999-01-27
EP0893855A3 EP0893855A3 (fr) 2000-07-12
EP0893855B1 EP0893855B1 (fr) 2004-07-14

Family

ID=7836849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98107090A Expired - Lifetime EP0893855B1 (fr) 1997-07-25 1998-04-18 Connexion de câble pour un élément électromécanique de construction

Country Status (2)

Country Link
EP (1) EP0893855B1 (fr)
DE (2) DE19732000A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010017267U1 (de) 2010-03-22 2011-08-26 Ulrich Doll Vorrichtung zum Heizen von Kirchenräumen und/oder Großräumen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039972A1 (de) * 1980-10-23 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart Elektrisch steuerbare kraftstoff-einspritz-vorrichtung
JPS57136859U (fr) * 1981-02-18 1982-08-26
JPS613751A (ja) * 1984-06-18 1986-01-09 Konishiroku Photo Ind Co Ltd インクジエツト記録ヘツドの導電接続方法
US4695034A (en) * 1984-11-27 1987-09-22 Stec Inc. Fluid control device
US5076241A (en) * 1988-09-21 1991-12-31 Toyota Jidosha Kabushiki Kaisha Fuel injection device
US5281885A (en) * 1989-11-14 1994-01-25 Hitachi Metals, Ltd. High-temperature stacked-type displacement device
JP3885283B2 (ja) * 1997-05-09 2007-02-21 日産自動車株式会社 燃料噴射弁の駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010017267U1 (de) 2010-03-22 2011-08-26 Ulrich Doll Vorrichtung zum Heizen von Kirchenräumen und/oder Großräumen

Also Published As

Publication number Publication date
EP0893855B1 (fr) 2004-07-14
EP0893855A3 (fr) 2000-07-12
DE59811666D1 (de) 2004-08-19
DE19732000A1 (de) 1999-01-28

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