EP3406001A1 - Boîtier pour le raccordement électrique de câbles à haute tension - Google Patents
Boîtier pour le raccordement électrique de câbles à haute tensionInfo
- Publication number
- EP3406001A1 EP3406001A1 EP17706526.5A EP17706526A EP3406001A1 EP 3406001 A1 EP3406001 A1 EP 3406001A1 EP 17706526 A EP17706526 A EP 17706526A EP 3406001 A1 EP3406001 A1 EP 3406001A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support plate
- housing
- electrical connection
- threaded rod
- electrical
- 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.)
- Withdrawn
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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/223—Insulating enclosures for terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- 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
Definitions
- the present invention relates to a housing for the electrical connection of several high voltage electrical cables in the engine compartment of a motor vehicle. It is recalled that in the technical field considered, namely that of the automobile, the range of the high voltage ranges from 60 to 600 volts.
- the invention relates in particular to a housing for connecting various components belonging for example to a cooling circuit (for example a compressor and a kettle), and an electronic power unit (PEB) providing power electronics functions and in particular inverter to drive the machine and to convert a DC power source from one voltage level to another.
- a cooling circuit for example a compressor and a kettle
- PEB electronic power unit
- a housing for the electrical connection of at least two high-voltage electrical cables each comprising at least two insulated conductor wires of different electrical phases, the free end of each electrical conductor being provided with a terminal lug.
- electrical connection to eyelet the housing comprising an electrically insulating support plate which carries parallel threaded rods of electrically conductive material each of which is equipped with an axial clamping means.
- the support plate of insulating material carries six threaded rods, each of which is provided with an axial clamping nut of an eyelet terminal, it is to say that each free end of an electrical conductor is fixed and electrically connected individually to an associated threaded rod.
- the housing comprises means for electrical connection of the three associated threaded rods which are for example copper strips, also called “busbars", of sufficient cross section and which each comprise through holes by the threaded rods, the eyelets of the electrical connection lugs being tight in electrical contact with the conductive strip or strips by means of the nuts.
- the three associated threaded rods which are for example copper strips, also called “busbars”, of sufficient cross section and which each comprise through holes by the threaded rods, the eyelets of the electrical connection lugs being tight in electrical contact with the conductive strip or strips by means of the nuts.
- the invention proposes a housing of the type mentioned above, characterized in that it comprises a single first threaded rod for the electrical connection of all the conducting wires of the same first phase, and a single second threaded rod for the electrical connection of all the conducting wires of the same second phase.
- each threaded rod extends axially through the support plate and each of the two sections of a threaded rod is equipped with an axial clamping means;
- the housing comprises a wall orthogonal to the support plate which has openings for the passage of the cables;
- said wall is arranged at one end of the support plate, and the threaded rods are arranged in the vicinity of another end of the support plate;
- the housing comprises means for fixing the cables on the support plate
- the fixing means are made of conductive material and are electrically connected to the outside of the housing to allow a grounding of the housing;
- the axial clamping means is a nut
- the threaded rod belongs to a screw
- the axial clamping means is the head of the screw
- the orthogonal wall is produced integrally by plastic molding with the support plate.
- FIG. 1 is a perspective view of an exemplary embodiment of a connection box according to the invention
- FIG. 2 is a view from below of the box of FIG.
- FIG. 3 is a front perspective view of the housing of Figure 1 without its cover;
- Figure 4 is a rear perspective view of the housing of Figure 3;
- FIG. 5 is a sectional view of the housing of Figures 3 and 4 passing through a transverse vertical plane.
- the figures show a box 10 of electrical connection consisting essentially of a body 12 and a cover or cover 14.
- the housing 10 here allows the simultaneous electrical connection of three electric cables Ci high voltage C1, C2 and C3.
- Each electrical cable Ci here comprises two electrical conductors of different phases Fi + and Fi-.
- the first electrical cable C1 comprises two conductors F1 + and F1-
- the second electrical cable C2 comprises two conductors F2 + and F2-
- the third electrical cable C3 comprises two conductors F3 + and F3-.
- Each cable Ci is here of similar design and it comprises an outer sheath Gi in which are housed the two electrical conductors Fi + and Fi-.
- Each conductor Fi +, Fi- is electrically isolated from the other associated electrical conductor Fi-, Fi + and each has, at its free end arranged inside the housing 10, a connection terminal here in the form of a terminal Bi +, Bi-, respectively, electrical connection connection.
- Each lug Bi + is electrically connected to the conductive core of the associated electrical conductor Fi +, while each lug Bi- is electrically connected to the conductive core of the associated electrical conductor Fi-.
- the main body 14 is an electrically insulating plastic molded part and essentially comprises a vertical support plate 18 and a horizontal bottom wall 20.
- the support plate 18 comprises a front face 22 of vertical and longitudinal orientation, and a parallel and opposite rear face 24.
- the support plate 18 is of generally rectangular shape delimited by a horizontal upper edge 28 and by two opposite vertical edges 30 and 32.
- the bottom wall 20 is delimited by a horizontal upper face 34 and by a parallel and opposite lower face 36 which constitutes the bearing and fixing face of the electrical connection box 10.
- the bottom wall 20 has two opposite longitudinal lugs 38.
- the support plate 18 is shifted transversely rearward with respect to the median vertical plane of the lower wall
- the bottom wall has three vertical holes opening Ti each of which is sized to allow the passage of an associated electrical cable Ci
- the support plate 18 At its connection with the upper face 34 of the lower wall 20, the support plate 18 comprises a lower front block in excess of thickness 40 and a rear lower block in extra thickness 42.
- the front block 40 comprises a semi-cylindrical concave housing L1 adapted to receive the portion facing the cable C1 and a semi-cylindrical concave housing L2 adapted to receive the portion vis-à-vis the cable C2. Both dwellings L1 and L2 are offset longitudinally and transversely relative to each other.
- the rear block 42 has a semi-cylindrical concave housing L3 adapted to receive the portion facing the cable C3.
- the housing L3 is centered longitudinally.
- the blocking plate 44 may be electrically conductive and provide a grounding function, or mass, of the housing through a metal tongue 50 which passes through a slot 52 of the bottom wall 20.
- the support plate 18 carries a single electrically conductive threaded rod V +.
- the support plate 18 carries a single electrically conductive threaded rod V-.
- the two threaded rods V + and V- are positioned in the vicinity of the upper edge 28 of the support plate 18.
- the two threaded rods V + and V- are offset longitudinally relative to each other.
- the threaded rod V + is substantially aligned with the hole T1 while the threaded rod is substantially aligned with the hole T2.
- Each threaded rod V + extends transversely through the support plate 18 and thus comprises an opposite front section and a rear threaded section, each of which is capable of passing through the eyelets of the connecting terminals Bi +, Bi- of the conductors Fi +, Fi- correspondents and associates.
- each threaded rod section receives an axial clamping nut ⁇ +, E-.
- two cables C1 and C2 are arranged in front of the front face 22 with their lugs B1 + and B2 + fixed on the threaded rod V +, and with their lugs B1- and B2- fixed on the threaded rod V-.
- the third cable C3 is arranged in front of the rear face 24 with its lug B3 + fixed on the threaded rod V +, and with its lug B3- fixed on the threaded rod V-.
- the threaded rods may each be associated with a pair of nuts as shown, or each belong to a screw which is then associated with a single clamping nut.
- Each threaded rod can be threaded into a hole of the support plate 18 or be fixed thereto in the form of an insert embedded by overmolding.
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1650447A FR3046882B1 (fr) | 2016-01-20 | 2016-01-20 | "boitier pour le raccordement electrique de cables a haute tension" |
| PCT/FR2017/050078 WO2017125665A1 (fr) | 2016-01-20 | 2017-01-13 | Boîtier pour le raccordement électrique de câbles à haute tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3406001A1 true EP3406001A1 (fr) | 2018-11-28 |
Family
ID=55953208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17706526.5A Withdrawn EP3406001A1 (fr) | 2016-01-20 | 2017-01-13 | Boîtier pour le raccordement électrique de câbles à haute tension |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3406001A1 (fr) |
| CN (1) | CN108475861B (fr) |
| FR (1) | FR3046882B1 (fr) |
| WO (1) | WO2017125665A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7540451B2 (ja) * | 2022-02-25 | 2024-08-27 | トヨタ自動車株式会社 | 高電圧ケーブル接続構造 |
| US12181349B2 (en) * | 2023-05-04 | 2024-12-31 | Applied Materials, Inc. | Color-changing torque seal for electrical connections |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574323A (en) * | 1944-02-22 | 1946-01-01 | Lucien Lacoste | Improved connecting device for electrical cables |
| US5649841A (en) * | 1996-01-16 | 1997-07-22 | Alcoa Fujikura Ltd. | Vehicular electrical access box |
| FR2797353B1 (fr) * | 1999-08-04 | 2001-12-14 | Conception & Dev Michelin Sa | Connecteur electrique utlisant des organes penetrant dans l'isolation |
| US20080026645A1 (en) * | 2006-07-26 | 2008-01-31 | Motorola, Inc. | Connector adaptor and method |
| US7351123B1 (en) * | 2007-02-21 | 2008-04-01 | Devin Winiecke | Electrical terminal splice |
| US7527523B2 (en) * | 2007-05-02 | 2009-05-05 | Tyco Electronics Corporation | High power terminal block assembly |
| KR101001576B1 (ko) * | 2008-12-09 | 2010-12-17 | 주식회사 두원전자 | 전동식 압축기용 인버터 연결단자 조립체 |
| US8730639B1 (en) * | 2010-07-13 | 2014-05-20 | Raycap, S.A. | Overvoltage protection for remote radio head-based wireless communication systems |
| CN204179292U (zh) * | 2014-09-05 | 2015-02-25 | 北京汽车股份有限公司 | 一种搭铁端子及汽车 |
-
2016
- 2016-01-20 FR FR1650447A patent/FR3046882B1/fr active Active
-
2017
- 2017-01-13 CN CN201780007101.3A patent/CN108475861B/zh active Active
- 2017-01-13 WO PCT/FR2017/050078 patent/WO2017125665A1/fr not_active Ceased
- 2017-01-13 EP EP17706526.5A patent/EP3406001A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3046882A1 (fr) | 2017-07-21 |
| FR3046882B1 (fr) | 2018-01-26 |
| CN108475861A (zh) | 2018-08-31 |
| WO2017125665A1 (fr) | 2017-07-27 |
| CN108475861B (zh) | 2020-06-05 |
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| RIC1 | Information provided on ipc code assigned before grant |
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| INTG | Intention to grant announced |
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