EP0971373A2 - Appareil de résistance - Google Patents

Appareil de résistance Download PDF

Info

Publication number
EP0971373A2
EP0971373A2 EP99112123A EP99112123A EP0971373A2 EP 0971373 A2 EP0971373 A2 EP 0971373A2 EP 99112123 A EP99112123 A EP 99112123A EP 99112123 A EP99112123 A EP 99112123A EP 0971373 A2 EP0971373 A2 EP 0971373A2
Authority
EP
European Patent Office
Prior art keywords
elements
resistance
insulating elements
arrangement
insulating
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
EP99112123A
Other languages
German (de)
English (en)
Other versions
EP0971373A3 (fr
EP0971373B1 (fr
Inventor
Manfred Dipl.-Ing.(Fh) Liebel
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.)
GINO GMBH ELEKTROTECHNISCHE FABRIK
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0971373A2 publication Critical patent/EP0971373A2/fr
Publication of EP0971373A3 publication Critical patent/EP0971373A3/fr
Application granted granted Critical
Publication of EP0971373B1 publication Critical patent/EP0971373B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
    • H01C3/12—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration lying in one plane

Definitions

  • the invention relates to a resistance device, in particular for Overhead line vehicles with rubber tires.
  • Resistance devices are described in DE-U-89 11 271 and EP-0 676 774 B1 known. In these known devices, which by individual meandering resistance elements are formed, the stored braking energy is temporarily transferred to the environment submitted. These resistance devices are therefore less Protection class equipped.
  • the invention is therefore based on the object of a resistance device to create an insulation resistance even when it is raining for trolleybuses of at least 5 M ⁇ having.
  • the insulating elements by a tensioning device located outside the insulating elements fixed.
  • a tensioning device located outside the insulating elements fixed.
  • an essentially therefore running parallel to the insulating element column support bolts located at almost 0 potential are used. There is therefore no creepage distance between the holes in the Insulator elements and a guided and humidified in the rain Steel bolts are present so that the insulation resistance be kept almost at its original value can.
  • the insulating element column axially stabilized by at least one rod which preferably in an aligned bore of the insulating element column and at least the two on the front arranged insulating elements of the two columns does not penetrate. This ensures that when it is irrigated or No water condensation on the insulator holes and a humidified Steel bolts reach the potential and thus too can lead to insulation depression.
  • the support bolt is thus not in the insulator hole, but externally arranged.
  • the tracking resistance is therefore exclusive determined by the contours of the insulators. Because the burned However, insulators at high temperatures are not absolute The insulators lined up would have plane parallelism a column with a mechanical tension by a preferably external steel bolts in a preferred direction buckle. This is due to the stabilization of the insulating element column preferably through one in the aligned holes of the insulating elements located avoided.
  • This Rod should have sufficient mechanical strength, to absorb the buckling forces. It is preferred Stainless steel rods inserted.
  • they are at least on the face arranged insulating elements of the respective column Solid material made, so that there is no water over the insulator holes can penetrate and the insulation strength reduced.
  • the resistance element 1 exists from a meandering folded sheet metal strip 3. Zur Holding of the metal strip 3, insulating elements 4 are provided, on two spaced columns in one Scaffold 5 are arranged. The insulating elements 4 have a Through hole 6 on. Is on the insulating elements 4 in each case an essentially radially projecting holding arm 9 is formed is. The two on the end face of the insulating element column insulating elements 20 are made of solid material. The insulating element column is by an external support bolt 21 axially biased. A rod 22 or a stainless steel tube is located inside the insulating element column in the aligned through holes 6 of the insulating elements 4.
  • each insulating element 4 On a support arm 9 of each insulating element 4 are protruding on both sides in the axial direction of the insulating element 4 Last 10 molded.
  • the insulation elements are lined up 4 exists between the holding arms 9 and two neighboring ones Insulating elements 4 a space 11. In this space 11 is a meandering bend 12 of the sheet metal strip 3 inserted.
  • the insulating elements 4 are arranged that the holding arms 9 assign to each other. In this Position, the insulating elements 4 are secured against rotation.
  • each insulating element 4 is theirs an end face with arranged off-center Blocking approaches not shown.
  • the Blocking approach of each insulating element 4 is in each case the opposite end face of the insulating element 4 Associated with opening.
  • each insulating element 4 on its one end face a cavity 17, and on its other face one of the contour of the hollow 17 adapted axial approach 18.
  • Im lined up on the stick State of the insulating elements 4 both the axial approaches 18 with the hollows 17 as well as the blocking approaches with the openings assigned to each other.
  • the Support pin 21 which is substantially parallel to the insulating column run, pre-tension the insulating element column. Due to the blocking lugs engaging in the openings the individual insulating elements 4 are secured against rotation against each other. The outermost insulation elements on the end faces the insulating element column are secured against rotation with the corresponding Scaffold parts 5 connected, so that ultimately all lined-up insulating elements 4 against twisting are secured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adjustable Resistors (AREA)
  • Details Of Resistors (AREA)
  • Elimination Of Static Electricity (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Filters And Equalizers (AREA)
  • Insulators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Insulating Bodies (AREA)
  • Thermistors And Varistors (AREA)
EP99112123A 1998-07-08 1999-06-23 Appareil de résistance Expired - Lifetime EP0971373B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19830552A DE19830552B4 (de) 1998-07-08 1998-07-08 Elektrische Widerstandsanordnung
DE19830552 1998-07-08

Publications (3)

Publication Number Publication Date
EP0971373A2 true EP0971373A2 (fr) 2000-01-12
EP0971373A3 EP0971373A3 (fr) 2000-10-11
EP0971373B1 EP0971373B1 (fr) 2006-12-20

Family

ID=7873369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112123A Expired - Lifetime EP0971373B1 (fr) 1998-07-08 1999-06-23 Appareil de résistance

Country Status (4)

Country Link
EP (1) EP0971373B1 (fr)
AT (1) ATE349062T1 (fr)
DE (2) DE19830552B4 (fr)
HU (1) HU223022B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1540418A1 (de) * 1965-05-19 1970-01-02 Siemens Ag Fremdbelueftetes Widerstandsgeraet
DE3429390A1 (de) * 1984-08-09 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Isolierkoerper mit zentralem durchlass fuer einen tragstab
EP0676774A2 (fr) * 1994-04-11 1995-10-11 Siemens Aktiengesellschaft Appareil de résistance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439390A1 (de) * 1984-10-27 1986-04-30 Alfred Teves Gmbh, 6000 Frankfurt Lastabhaengig steuerbarer bremsdruckverteiler
DE9012340U1 (de) * 1989-09-21 1991-01-24 Siemens AG, 8000 München Widerstandsgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1540418A1 (de) * 1965-05-19 1970-01-02 Siemens Ag Fremdbelueftetes Widerstandsgeraet
DE3429390A1 (de) * 1984-08-09 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Isolierkoerper mit zentralem durchlass fuer einen tragstab
EP0676774A2 (fr) * 1994-04-11 1995-10-11 Siemens Aktiengesellschaft Appareil de résistance

Also Published As

Publication number Publication date
ATE349062T1 (de) 2007-01-15
HU223022B1 (hu) 2004-03-01
HU9902303D0 (en) 1999-09-28
EP0971373A3 (fr) 2000-10-11
DE59914065D1 (de) 2007-02-01
HUP9902303A2 (hu) 2000-05-28
HUP9902303A3 (en) 2001-05-28
DE19830552B4 (de) 2005-07-07
DE19830552A1 (de) 2000-01-20
EP0971373B1 (fr) 2006-12-20

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