EP2478592A1 - Mise en contact électrique d'un composant électrique - Google Patents

Mise en contact électrique d'un composant électrique

Info

Publication number
EP2478592A1
EP2478592A1 EP10750063A EP10750063A EP2478592A1 EP 2478592 A1 EP2478592 A1 EP 2478592A1 EP 10750063 A EP10750063 A EP 10750063A EP 10750063 A EP10750063 A EP 10750063A EP 2478592 A1 EP2478592 A1 EP 2478592A1
Authority
EP
European Patent Office
Prior art keywords
contact
pin
contact plate
plate end
end region
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
EP10750063A
Other languages
German (de)
English (en)
Other versions
EP2478592B1 (fr
Inventor
Rudolf Schuppli
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.)
Alstom Transportation Germany GmbH
Original Assignee
Bombardier Transportation 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 Bombardier Transportation GmbH filed Critical Bombardier Transportation GmbH
Priority to PL10750063T priority Critical patent/PL2478592T3/pl
Publication of EP2478592A1 publication Critical patent/EP2478592A1/fr
Application granted granted Critical
Publication of EP2478592B1 publication Critical patent/EP2478592B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to an arrangement for electrically contacting an electrical component, in particular a capacitor, for a power converter of a rail vehicle.
  • the electrical component has a projecting pin for attaching and / or
  • the invention further relates to a corresponding method for electrically contacting an electrical component.
  • Capacitors have been used for some years for the storage of electrical energy, in particular the braking energy of rail vehicles. The in the
  • Capacitor stored energy can in particular for the next
  • capacitors are also used as filter capacitors in electrical circuits having power converters for converting direct current and for operating traction motors of a rail vehicle.
  • smoothing capacitors for smoothing the DC voltage on the DC side of the power converter can be used in the circuits.
  • Capacitors are often combined to form assemblies with multiple capacitors, especially in these applications.
  • the housing of the capacitor is cylindrical and is located on one of the two electrical potentials of the capacitor or the plurality of capacitors arranged in the housing.
  • the other potential is applied to a pin-shaped contact on the front side of the housing.
  • the invention particularly relates to such applications or contacting the capacitors in such applications.
  • the invention is also suitable for other electrical components having a projecting pin, which is designed in particular as a pin-shaped contact.
  • the pin is used in particular for attaching and / or positioning the parts that are used for electrical contact.
  • copper material is often used for electrical contacts.
  • copper material is meant that the material has a high proportion (eg, more than 50%) of copper, or even is almost pure copper.
  • the capacitors can be charged and discharged with high currents of, for example, more than 100 A.
  • tabs made of copper sheet are used for electrical contacting.
  • One possible embodiment of the design of the end portion of such a copper sheet provides a slot extending from the free end into the end portion, the two tabs thus formed sandwiching the contact pin of the electrical component such that the contact pin is disposed in the slot , For example, by a nut which is screwed onto the externally threaded contact pin, the contact plate end region can then be screwed tight.
  • the disadvantage here is that copper flows under mechanical pressure and over time, ie changes its shape. The two tongues can therefore escape to the outside, wherein the electrical contact is deteriorated to the contact pin. There is a risk of burning the contact.
  • the copper tab i. the Maisblechend Scheme having a bore through which extends the contact pin of the component
  • a deflection of the material in one direction can be prevented.
  • copper tabs are difficult to assemble. They can not be brought to the side of the contact pin, but must be inserted from above the contact pin.
  • a further contact surface formed by at least one of the through-hole elements, so that the contact plate end area is received with its tongues between the opposing abutment surfaces.
  • the pin of the electrical component extends in the mounted position through the slot, approximately in the middle between the two contact surfaces.
  • an electrical component in particular a capacitor for a power converter of a rail vehicle, wherein the electrical component has a projecting pin for attaching and / or positioning parts of the arrangement to make the electrical contact, and wherein the arrangement comprises
  • first element and / or the second element consist of an electrically conductive material, wherein the first element has a first surface and the second element has a second surface, wherein the first element and / or the second element at least one parallel to the longitudinal direction projecting portion having a facing to the through hole bearing surface, and wherein in an assembled state of the arrangement
  • the contact sheet end region bears against the first surface with a first side and bears against the second surface with a second side opposite the first side, so that the contact sheet end region is sandwiched between the first and the second surface,
  • the contact sheet end region bears against the contact surface of the first and / or second element with a surface region extending between the first side and the second side,
  • the pin extends perpendicularly to the first surface and the second surface through the first element, the slot of the contact plate end region and the second element, -
  • the fastener is supported on the pin and presses the first and the second surface against the contact plate end portion.
  • the pin is in particular cylindrical and preferably designed as a contact pin made of electrically conductive material. The electrical contact between the
  • the contact plate end region and the electrical component need not necessarily be produced as an electrical contact only between the contact plate end region and the pin.
  • the first element of the arrangement which is located farther from the free end of the pin and can be made of electrically conductive material, e.g. preferably made of copper material.
  • the first element can make contact with the contact pin or to a contact surface, from which extends the pin, which is thus arranged from the viewpoint of the free end of the pin behind the first element.
  • This contact surface is formed by an electrically conductive material of the electrical component.
  • the first element can therefore be selected in its dimensions parallel to the longitudinal axis of the pin so that manufacturing tolerances and / or level differences are compensated by a suitably selected dimension of the first element.
  • the contact plate is preferably made of a copper material, in particular copper in a degree of purity, as is customary for electrical components.
  • the slot in the contact plate end region need not have a width which is exactly matched to the width, in particular the diameter of the pin. Rather, the width of the slot can be slightly larger.
  • the fastening element is preferably a nut that is screwed onto an external thread on the pin and thus presses the first element and the second element in the direction of the longitudinal axis of the pin and in this way the electrical contact between the contact plate end region and at least one of the elements , namely the electrically conductive element guaranteed. If necessary, the nut can still be secured by a lock nut.
  • the first surface of the first element to abut on one side of the
  • the first member which is farther away from the free end of the pin, is made of copper material and the second member, which is closer to the free end of the pin, is made of steel. Since the second element in this case does not have to consist of particularly good electrically conductive material, steel is sufficient. Also, steel has advantages in terms of its hardness.
  • the fastening element may have a substantially smaller width than the second element, so that the contact surface between the
  • the first element and the second element are in cross section, i. perpendicular to the longitudinal axis of the pin, designed circular.
  • Their lying in the longitudinal direction of the pin from the viewpoint of the contact plate end region further surfaces are therefore preferably circular surfaces with a central through hole through which the pin extends.
  • the first element and / or the second element preferably have two regions projecting parallel to the longitudinal direction, each of which has a contact surface facing the through-bore and facing one another from the viewpoint of the through-bore.
  • Contact plate end region has two tongues separated by the slot.
  • the electrical component has a protruding pin and wherein:
  • first element and / or the second element consist of an electrically conductive material
  • first element and / or the second element has at least one region projecting parallel to the longitudinal direction, which has a bearing surface facing the through-bore, such that the contact plate end region abuts with a running between the first side and the second side surface area on the contact surface of the first and / or second element.
  • Fig. 1. 3 shows a three-dimensional representation of an arrangement with four capacitors arranged next to one another, each having an upwardly projecting contact pin,
  • FIG. 2 shows a substantially cylindrical disk-like arrangement with a central through-bore formed from a first and a second element, wherein a gap extending transversely to the longitudinal axis of the through-bore can be seen between the first and the second element
  • 3 shows schematically a side view of the elements shown in Figure 2, wherein between the elements of the Maisblechend area is recognizable and wherein the three parts are shown in the manner of an exploded view
  • Fig. 4 is a side view of the upper portion of one of the shown in Fig. 1
  • Capacitors which is electrically contacted via a contact plate
  • FIG. 5 is a sectional view through a particularly preferred embodiment of the inventive arrangement for contacting an electrical component with a contact pin, wherein the plane of the figure is perpendicular to the longitudinal axis of the contact pin and in the plane of
  • Fig. 6 is a sectional view through an arrangement for contacting a
  • Fig. 7 is a section similar to that in Fig. 6, but with the sectional plane shown in FIG.
  • Fig. 8 shows a preferred embodiment of another embodiment of the inventive arrangement for contacting an electrical component, wherein the figure shows a horizontal section similar to that in Fig. 5, but with the contact plate end portion having only one tongue.
  • the block 1 shown in Fig. 1 has four capacitors, of which in each case the upper end portions 2a, 2b, 2c, 2d are shown. From each end portion 2, a contact pin 8 projects upward. Behind the block 1, an arrangement of two contact rails for electrical contacting of the capacitors can be seen. In the area immediately behind the capacitors, the contact rails 9a (the lower contact rail) and 9b (the upper contact rail) are stacked. In this case, the upper contact rail 9b two in Fig. 1. Forward in the direction of the upper regions 2 of the capacitors
  • the lower rail 9a has two slotted and configured with two tongues
  • the lower, first elements 5 are designed differently high.
  • the lower elements 5a and 5c of the upper regions 2a, 2c, measured in the longitudinal direction of the pins 8, are smaller than the heights of the lower, first elements 5b, 5d of the upper regions 2b, 2d.
  • the upper, second elements 4 can be made the same for all capacitors.
  • Fig. 1 Not shown in Fig. 1 are nuts which are screwed onto the contact pins 8 to press the elements 4, 5 against each other and press against bearing surfaces of the upper regions 2, so that the arranged between the elements 4, 5technischblechend Schemee 6 are sandwiched together ,
  • Fig. 2 shows a pair consisting of one of the first elements 5 and one of the second elements 4. At the upper, second element 4, the through hole 21 can be seen. Also, the lower, first element 5 has such a through hole whose
  • Inner diameter is slightly larger than the outer diameter of the contact pins 8. Between the first element 5 and the second element 4 right and left horizontally extending column 22a, 22b can be seen. Although these gaps 22 could be closed when between the first element 5 and the second element 4 no
  • FIG. 3 shows a first element 5 (bottom) and a second element 4 (top). Between the elements 4, 5 is in the exploded view a Maisblechend Scheme 6. The slot of the end portion 6 is not visible, since it is a schematic representation, which can also be regarded as an end view.
  • the first element 5 has two upwardly projecting regions 51 which form radially outside each a part of the outer periphery of the element 5. Between them is a free space, which can also be referred to as a groove and below by a first
  • the width of the contact plate end region 6 is slightly smaller than the spacing of the contact surfaces 10a, 10b.
  • the upper, second element 4 has two downwardly projecting regions 52, which on the outside form parts of the outer circumference of the element 4. On the inside, they have contact surfaces 9a, 9b for the installation of the contact plate end region 6. At the top, the gap formed between the contact surfaces 9a, 9b, the groove, is delimited by a second surface 32.
  • the distance of the contact surfaces 9a, 9b is slightly larger than the width of the contact plate end region 6. In particular, the distance between the contact surfaces 9a, 9b is the same as the distance between the contact surfaces 10a, 10b.
  • the Kunststoffechend reaches area 6 above in abutment with the second surface 32 and below in abutment with the first surface 31. This is possible because the height b of the Maisblechend Schemes 6 is greater than the sum of Heights of the contact surfaces 10 and 9.
  • the height of the contact surfaces 10 is denoted by a.
  • the height of the contact surfaces 9 is denoted by c.
  • FIG. 4 e.g. one of the upper regions 2 of the capacitors shown in Fig. 1.
  • This upper region has a bearing surface 41, which extends perpendicular to the longitudinal axis 43 of the contact pin 8, the upper, free end can be seen. Again, the nut with which the arrangement of the elements 4, 5 are pressed against the support surface 41, not shown.
  • Support surface 41 is the bottom of the lower, first element 5 at.
  • Contact plate end region 6 is arranged between the upper, second element 4 and the lower element 5 and extends as shown schematically in FIG. 3 in a groove. In this case, in Fig. 4, the view on the front in the image lying up or down projecting portions 51, 52 of the elements 5, 4 to see. The contact plate end region 6 continues to the right into a region of the contact plate, which runs meander-shaped in the illustrated cross section.
  • Fig. 5 shows a section through the arrangement shown in Fig. 4, wherein the section is perpendicular to the longitudinal axis 43 of the contact pin 8, in the amount of the projections 51.
  • the protrusion shown on the left is denoted by 51 a and the right side projection with 51b.
  • the contact surfaces 10a, 0b extend in the
  • the contact sheet end region 6, where it is slotted has a smaller width than in the region below in FIG. 5.
  • the vertical line Vl-Vl indicates the sectional plane of FIG.
  • FIG. 6 shows the entire contact plate 64 in cross-section, whose contact plate end 6 is located between the upper, second element 4 and the lower, first element 5.
  • the nut 61 can be seen above the second element 4, which presses the elements 4, 5 against the Maisblechend Scheme 6 and at the same time the lower surface of the first, lower element 5 against the support surface 41st
  • Contact plate end region 6 extends to the right and left of the contact pin 8. Between these recognizable areas of the Maisblechend Schemes 6, the contact pin 8 is within the slot.
  • the illustration in FIG. 7 corresponds to the exploded view in FIG Fig. 3 with respect to the elements 5, 4 and with respect to the Maisblechend Scheme 6, but in Fig. 7, the through holes through the elements 4, 5 and the contact pin 8 arranged therein can be seen.
  • Fig. 8 shows, similar to the representation in Fig. 5, a horizontal section through the arrangement for contacting the upper portion 2 d of the left in Fig. 1 illustrated capacitor.
  • the contact plate on the right in Fig. 8 the wide region 11 and left a single tongue 87.
  • a slot 85 is formed, at its rounded closed end, the contact pin 8d is located.
  • FIG. 5 corresponds to
  • the upper, not shown, second element also has only one contact surface for applying the tongue 87 and the lower surface of the second element corresponding to the upper surface of the first element 5d is otherwise flat and extends perpendicular to the longitudinal axis of the contact pin 8d.
  • the arrangement for contacting an electrical component, in particular the upper part 2 of a capacitor, is mounted, for example, as follows. First, the first element 5 is attached to the contact pin 8, in particular so that the lower

Landscapes

  • Mounting Components In General For Electric Apparatus (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Inverter Devices (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un dispositif permettant la mise en contact électrique d'un composant électrique (2), en particulier d'un condensateur pour un convertisseur de courant de véhicule ferroviaire, le composant électrique (2) présentant une broche en saillie (8) pour l'application et/ou le positionnement d'éléments du dispositif, en vue d'établir le contact électrique, ledit dispositif comprenant les éléments suivants : a) un premier élément (5), qui présente un premier trou traversant (21), s'étendant en direction longitudinale à travers l'élément (5), pour l'introduction de la broche (8); b) un second élément (4), qui présente un second trou traversant (21), s'étendant en direction longitudinale à travers l'élément (4) pour l'introduction de la broche (8); c) une tôle de contact, en un matériau électroconducteur, qui présente une zone d'extrémité de tôle de contact (6), via laquelle le contact électrique avec le composant électrique (2) doit être établi, la zone d'extrémité de tôle de contact (6) présentant une encoche (55) s'étendant d'une extrémité libre dans la zone d'extrémité de tôle de contact (6), encoche dont la largeur est suffisamment importante pour assurer la réception de la broche (8); d) un élément de fixation (61).
EP10750063.9A 2009-09-18 2010-08-27 Mise en contact électrique d'un composant électrique Not-in-force EP2478592B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10750063T PL2478592T3 (pl) 2009-09-18 2010-08-27 Kontaktowanie elektryczne elementu elektrycznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041894A DE102009041894A1 (de) 2009-09-18 2009-09-18 Elektrisches Kontaktieren eines elektrischen Bauteils
PCT/EP2010/005337 WO2011032643A1 (fr) 2009-09-18 2010-08-27 Mise en contact électrique d'un composant électrique

Publications (2)

Publication Number Publication Date
EP2478592A1 true EP2478592A1 (fr) 2012-07-25
EP2478592B1 EP2478592B1 (fr) 2017-12-27

Family

ID=43066859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10750063.9A Not-in-force EP2478592B1 (fr) 2009-09-18 2010-08-27 Mise en contact électrique d'un composant électrique

Country Status (8)

Country Link
US (1) US8556665B2 (fr)
EP (1) EP2478592B1 (fr)
CN (1) CN102576945B (fr)
DE (1) DE102009041894A1 (fr)
ES (1) ES2663821T3 (fr)
IN (1) IN2012DN02268A (fr)
PL (1) PL2478592T3 (fr)
WO (1) WO2011032643A1 (fr)

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DE102009041894A1 (de) * 2009-09-18 2011-03-31 Bombardier Transportation Gmbh Elektrisches Kontaktieren eines elektrischen Bauteils
JP5733061B2 (ja) * 2011-07-05 2015-06-10 株式会社オートネットワーク技術研究所 電池配線モジュール
CA3023941C (fr) 2016-06-01 2019-10-22 Termaco Ltee Connecteur de batterie
JP7196035B2 (ja) * 2019-08-23 2022-12-26 日本航空電子工業株式会社 コネクタおよび接続方法

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Also Published As

Publication number Publication date
CN102576945B (zh) 2014-09-24
ES2663821T3 (es) 2018-04-17
EP2478592B1 (fr) 2017-12-27
PL2478592T3 (pl) 2018-07-31
WO2011032643A1 (fr) 2011-03-24
US8556665B2 (en) 2013-10-15
DE102009041894A1 (de) 2011-03-31
CN102576945A (zh) 2012-07-11
IN2012DN02268A (fr) 2015-08-21
US20120178280A1 (en) 2012-07-12

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