WO2025190836A1 - Dispositif de fixation pour ensembles électriques - Google Patents

Dispositif de fixation pour ensembles électriques

Info

Publication number
WO2025190836A1
WO2025190836A1 PCT/EP2025/056393 EP2025056393W WO2025190836A1 WO 2025190836 A1 WO2025190836 A1 WO 2025190836A1 EP 2025056393 W EP2025056393 W EP 2025056393W WO 2025190836 A1 WO2025190836 A1 WO 2025190836A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
electrical
fastening device
electrical subassembly
subassembly
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.)
Pending
Application number
PCT/EP2025/056393
Other languages
German (de)
English (en)
Inventor
Tamas KORENCHY
Zoltan TASZING
Patrik MIKULA
Mate Janos SZALAI
Andras GABOR
Gergely NEMETH
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 WO2025190836A1 publication Critical patent/WO2025190836A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14329—Housings specially adapted for power drive units or power converters specially adapted for the configuration of power bus bars

Definitions

  • the present invention relates to a fastening device and an electrical assembly with the fastening device according to the invention.
  • Complex electrical assemblies often include subassemblies that must be secured together during the assembly process. These subassemblies can have complex geometries that complicate assembly. For example, busbars may protrude from the subassemblies, which can damage other subassemblies if improperly assembled. This can lead to increased scrap and disruptions on the assembly line.
  • the fastening device with the features of claim 1 has the advantage that a first electrical subassembly can be reliably guided to a second electrical subassembly during the assembly process and subsequently fastened.
  • the fastening device comprises a guide structure which is designed to guide the first electrical subassembly linearly to the second electrical subassembly in an assembly direction. Subassembly to be guided.
  • the guide structure has a guide carriage on a first housing component of the first electrical subassembly and a guide rail on a second housing component of the second electrical subassembly.
  • the guide structure further comprises a snap connection which is designed to fix the guide rail to the guide carriage.
  • the guide structure of the fastening device comprising a guide rail and a guide carriage, which comprise a snap connection
  • reliable guidance and fastening of the first electrical subassembly to the second electrical subassembly can be enabled with simple and cost-effective manufacture.
  • the mounting direction is preferably viewed from the first electrical subassembly and points towards the second electrical subassembly.
  • An electrical subassembly is to be understood as a subassembly which comprises at least one electrical component which is designed to conduct an electrical current and to be part of an electrical circuit.
  • the guide carriage preferably has a snap hook configured to engage a recess in the guide rail. This allows a reliable snap connection to be easily integrated into the guide structure, which can preferably be removed without causing damage.
  • the guide carriage has second parallel guide surfaces configured to contact the guide rail. This enables simple linear guidance in the assembly direction and lateral fixation between the first electrical subassembly and the second electrical subassembly.
  • a snap hook is arranged on each guide surface and aligned parallel to the mounting direction.
  • the snap hook preferably comprises an elongated shaft portion and a hook-shaped head portion, with the shaft portion being arranged at a distal end of the guide surface.
  • the snap hook can be easily integrated into the guide carriage and enables reliable guidance. and subsequent fixing of the first electrical subassembly to the second electrical subassembly in assembly calculation.
  • the guide surface preferably has a chamfer or rounded portion at a distal end. This can prevent the first electrical subassembly from tilting relative to the second electrical subassembly and improve the assembly process.
  • the connecting rib comprises a bevel or rounded portion in the mounting direction, which is configured to align the guide carriage.
  • the guide carriage is preferably connected to an electrical component of the first electrical subassembly by means of a clearance fit to enable tolerance compensation between the guide carriage and the electrical component.
  • the electrical component is preferably a busbar. This allows tolerances in the electrical component, particularly those resulting from bending processes, to be compensated for and enables reliable assembly of the first electrical subassembly to the second electrical subassembly.
  • the guide structure comprises a fixing region configured to positively connect the guide carriage and the guide rail of the guide structure by means of a connecting element, in particular a screw. This ensures a permanent and reliable fixation of the first electrical subassembly to the second electrical subassembly.
  • Figure 1 is a perspective view of an electrical assembly with a fastening device according to a first embodiment of the invention
  • Figure 2 is a perspective view of a first housing component with a guide carriage of the fastening device according to the first embodiment of the invention
  • Figure 3 is a plan view of the first housing component according to the first
  • Figure 4 is a perspective sectional view of the fastening device according to the first embodiment of the invention.
  • Figure 1 shows the fastening device 1 for fastening a first electrical subassembly 2 to a second electrical subassembly 3.
  • the fastening device 1 is shown in an unassembled state.
  • the first electrical subassembly 2 comprises a first housing component 10 and a plurality of electrical components 6.
  • the electrical components 6 are shown in Figure 1 as Busbars are shown.
  • the first electrical subassembly 2 and the second electrical subassembly 3 may further comprise further electronic or electrical components 6, such as a film capacitor or an electrical filter.
  • a guide structure 4 is formed between the first housing component 10 and a second housing component 30 of the second electrical subassembly 3 in order to guide the first electrical subassembly 2 linearly in an assembly direction R to the second electrical subassembly 3.
  • the assembly direction R is aligned from the first housing component 10 to the second housing component 30.
  • the guide structure 4 comprises a guide carriage 12 on the first housing component 10 and a guide rail 32 on the second housing component 30. Furthermore, the guide structure 4 comprises a snap connection 5, which is designed to fix the guide rail 32 to the guide carriage 12.
  • the guide carriage 12 has two parallel guide surfaces 16 extending in the mounting direction R. In the mounting direction R, the guide surfaces 16 have a bevel 20 at a distal end 18. A snap hook 14 extends from the bevel 20 parallel to the mounting direction R on each of the two guide surfaces 16.
  • the guide rail 32 comprises two parallel guide ribs 36, which are aligned parallel to the mounting direction R.
  • the two parallel guide ribs 36 are connected to the first housing component 10 facing the first axial end 41 by a connecting rib 38.
  • the two parallel guide surfaces 16 are configured to be guided linearly by the two parallel guide ribs 36.
  • a clearance fit or a transition fit preferably exists between the outer spacing of the parallel guide ribs 36 and the inner spacing of the parallel guide surfaces 16.
  • a fixing area 48 is arranged between the two guide ribs 36 of the guide rail 32.
  • the fixing area 48 together with two corresponding holes 22 in the guide carriage 12, enables a positive connection between the guide carriage 12 and the guide rail 32 using a connecting element.
  • the connecting element is preferably a screw that is screwed into the fixing area 48.
  • the fixing area 48 has a hollow cylindrical geometry, with the cavity of the fixing area 48 forming a receiving area for the connecting element.
  • Figure 2 shows a detailed perspective view of the first housing component 10 of the first electrical subassembly 2.
  • the first electrical subassembly 2 has a busbar as an electrical component 6, which protrudes from the first electrical subassembly 2.
  • the busbar is at least partially enclosed by the first housing component 10.
  • the first housing component 10 has a guide carriage 12 with two parallel guide surfaces 16 for guiding the first electrical subassembly 2 to the second electrical subassembly 3 during an assembly process. Furthermore, a snap hook 14 is arranged on each guide surface 16.
  • the snap hook 14 is arranged on a bevel 20 of the guide carriage 32, wherein the snap hooks 14 are aligned parallel to the mounting direction R.
  • the hook area of the snap hook 14 is aligned inwards in order to engage in the recess 34 of the guide ribs 36.
  • Figure 4 shows the guide structure 4 of the fastening device 1 in the assembled state.
  • the guide carriage 12 rests at a distal end with the guide surfaces 16 against the two stops 44 of the guide ribs 36. Furthermore, the guide surfaces 16 rest against an outer side of the guide ribs 36.
  • the two recesses 34 of the guide ribs 36 each accommodate the snap hook 14 of the guide carriage 12.
  • the guide structure 4 forms a snap connection 5, which fixes the guide rail 32 to the guide carriage 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

La présente invention concerne un dispositif de fixation pour guider et fixer un premier sous-ensemble électrique à un second sous-ensemble électrique. Le dispositif de fixation comprend un premier composant de boîtier du premier sous-ensemble électrique, un second composant de boîtier du second sous-ensemble électrique, et un dispositif de guidage qui est conçu pour guider le premier sous-ensemble électrique linéairement vers le second sous-ensemble électrique dans une direction d'assemblage. La structure de guidage comprend un rail de guidage sur un premier composant de boîtier et un chariot de guidage sur un second composant de boîtier, la structure de guidage comprenant une liaison par encliquetage pour fixer le rail de guidage sur le chariot de guidage.
PCT/EP2025/056393 2024-03-15 2025-03-10 Dispositif de fixation pour ensembles électriques Pending WO2025190836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102024202468.6 2024-03-15
DE102024202468.6A DE102024202468A1 (de) 2024-03-15 2024-03-15 Befestigungsvorrichtung für elektrische Bautruppen

Publications (1)

Publication Number Publication Date
WO2025190836A1 true WO2025190836A1 (fr) 2025-09-18

Family

ID=94974474

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/056393 Pending WO2025190836A1 (fr) 2024-03-15 2025-03-10 Dispositif de fixation pour ensembles électriques

Country Status (2)

Country Link
DE (1) DE102024202468A1 (fr)
WO (1) WO2025190836A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0748014A1 (fr) * 1995-06-07 1996-12-11 Siemens Aktiengesellschaft Dispositif pour l'agencement des appareils de commutation électriques en étages
US20150380180A1 (en) * 2014-06-27 2015-12-31 Xiamen Hongfa Electrical Safety & Controls Co., Ltd. Clasping Connection Structure of Contactor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0748014A1 (fr) * 1995-06-07 1996-12-11 Siemens Aktiengesellschaft Dispositif pour l'agencement des appareils de commutation électriques en étages
US20150380180A1 (en) * 2014-06-27 2015-12-31 Xiamen Hongfa Electrical Safety & Controls Co., Ltd. Clasping Connection Structure of Contactor

Also Published As

Publication number Publication date
DE102024202468A1 (de) 2025-09-18

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