EP3301764A1 - Hochspannungsstromschalter für elektrischen kompressor - Google Patents

Hochspannungsstromschalter für elektrischen kompressor Download PDF

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Publication number
EP3301764A1
EP3301764A1 EP17192968.0A EP17192968A EP3301764A1 EP 3301764 A1 EP3301764 A1 EP 3301764A1 EP 17192968 A EP17192968 A EP 17192968A EP 3301764 A1 EP3301764 A1 EP 3301764A1
Authority
EP
European Patent Office
Prior art keywords
electrical connector
skirt
pin
pins
electric compressor
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Withdrawn
Application number
EP17192968.0A
Other languages
English (en)
French (fr)
Inventor
Ernesto SACCO
Yvan MATHIEU
Philippe Mercier
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.)
Valeo Japan Co Ltd
Original Assignee
Valeo Japan Co Ltd
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 Valeo Japan Co Ltd filed Critical Valeo Japan Co Ltd
Publication of EP3301764A1 publication Critical patent/EP3301764A1/de
Withdrawn legal-status Critical Current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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/746—Means for mounting coupling parts in openings of a panel using a screw ring
    • 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 present invention relates to the technical field of electronics and more particularly to an electrical connector for a power electronics circuit, such as, for example, a power electronics circuit for an electric motor vehicle compressor.
  • the invention also relates to an electric compressor provided with said electrical connector.
  • the electrical connections between the electrical connector and the electronic circuit must be rigorously performed to ensure that the connection interface is functioning properly.
  • it is generally associated with a specific color insulating sheaths surrounding the electrical son according to their role, to limit the risk of error when connecting to the electronic circuit.
  • the welding of an electric wire requires the withdrawal of its insulating sheath to update its conductive core. Too much shrinkage of the sheath can cause risks of short circuit between the core and the other components of the electronic circuit.
  • the sheath can melt and mix with the filler metal during the welding step. The quality of the welding is then greatly deteriorated.
  • the present invention proposes, according to its first aspect, a high-voltage electrical connector for an electric compressor, the electrical connector comprising a skirt extending between a first portion located inside the electric compressor and a second part located outside the electric compressor.
  • the electrical connector also comprises at least one electrically conductive pin having a distal portion and a proximal portion, and a base forming a sleeve for holding the skirt, the base comprising at its side walls holding means for maintaining the electrical connector on a wall of the electric compressor.
  • proximal and distal denote different parts of the same pin, respectively present inside the skirt (at least partly) or outside the skirt.
  • each pin is held by the skirt, preferably at its first portion, so that a first end of the pin is accessible at the second portion of the skirt electrical connection means forming part of an electric circuit located in the electric compressor, and in that the distal portion of each pin forms a projecting angle with its proximal portion.
  • the fact that the position of the pins varies little or not with respect to the connection interface makes it possible to associate each pin with a role as a function of its position relative to the other pins. As a result, it is no longer necessary to use an insulating jacket of color to identify each pin. Indeed, the skirt provides sufficient electrical insulation between the pins keeping them apart. The risk of erroneous switching between two electrical conductors of the electrical connector when it is connected to the electronic circuit is thus eliminated.
  • each pin comprises at least one stripped portion. Eventually, at least one pin is completely stripped. Thus, the end of the distal portions of the pins are welded more easily and more quickly to a printed circuit, while limiting the risk of error when connecting the electrical connector to an electronic circuit.
  • At least one pin comprises an intermediate portion connecting its proximal portion to its distal portion, the intermediate portion being curved so as to form an angle between its proximal portion and its distal portion of between 30 ° and 120 ° preferably of the order of 90 °.
  • the proximal and distal portions are rectilinear or substantially rectilinear.
  • the electrical connector can be positioned below or above an electronic circuit, which allows greater freedom in the arrangement of the electronic circuit in a housing.
  • this particular arrangement of the proximal portions of the pins relative to their respective distal portions makes it possible to establish a direct electrical connection and more easily between an electronic circuit located inside a case and the electrical connector located on a facade. of the case.
  • At least one pin comprises a second end arranged to be able to fit into a housing present in a printed circuit support of the electric compressor.
  • the second end is preferably aligned with the distal portion of the pin when its distal portion forms an angle of the order of 90 ° with its proximal portion.
  • the second end may be bent to facilitate insertion or embedding in a holder, when the distal portion of the pin is not normal to said support.
  • At least one pin comprises at its first end an intermediate connector, arranged to mechanically couple the pin to the skirt to ensure the mechanical coupling between the skirt and the at least one pin, allowing to keep it in position inside the skirt and limit its movement in the skirt.
  • the intermediate connector collaborates with corresponding surfaces at the level of the skirt, for example by collaboration of shapes, snap-fastening and / or fitting.
  • At least one pin advantageously comprises an electrical connector arranged to provide an electrical connection to the electrical connection means.
  • the skirt may include one or more intermediate connectors for facilitating the connection of the pins to standardized connection means.
  • the electrical connector may take the form of a female-type electrical connection element according to any electrical connection standard.
  • the distal portions of the pins pass through an electrically insulating holding plate so as to preserve the gap between the pins and to avoid any electrical contact between two adjacent pins.
  • the transverse section of the pins of the electrical connector is preferably between X and Y.
  • the electrical connector comprises a seal located between the base and the skirt, the seal being arranged to electrically isolate the skirt of the wall of the electric compressor.
  • the present invention also relates to an electric compressor comprising on at least one of its walls an electrical connector according to the first aspect of the invention or to any of its improvements to enable connection means of electrical connections present outside the electric compressor to at least one electronic circuit present in the electric compressor, through at least one pin of the electrical connector.
  • the present invention also relates to a motor vehicle comprising an electric compressor as described above.
  • the distal portions 123 terminate at an end 124 configured to snap or snap into a housing or an opening in a not shown electronic circuit carrier.
  • the intermediate portion 122 forms an open loop so as to allow a slight tilting of the distal portion 123 relative to its proximal portion 121 to allow a certain tolerance during entrapping the end 124 in an electronic circuit support of the electric compressor.
  • Pins 120 and 130 are preferably made from conductive materials such as tin, copper, etc.
  • the cross sectional area of the pins may be between X and Y in order to allow the conduction of an electric current between X and Y. Of course, this value depends on the nature of the material used.
  • the area of the section of a pin may also be proportional to the value of the electric current to pass through said pin.
  • the first pins 120 are of larger section than the second pins 130 because the first pins are intended to supply high voltage to an electronic circuit while the second pins are intended to exchange information with said circuit at lower voltages.
  • the sections of the first pins 120 are of rectangular shape while the sections of the second pins 130 are of square shape. This allows an operator to more easily identify each pin pair.
  • the shape of the sections are different between the first and the second pins to prevent the first pins can snap into slots for the second pins.
  • the connector 100 also comprises a base 140 arranged to hold the skirt 110 on a wall of an electric compressor or a box, so that its first part 111 opens into the electric compressor and that its second part 112 is present at outside said electric compressor.
  • the base 140 comprises a radial wall 141 extending radially from the side wall 113 of the skirt 110.
  • the radial wall 141 comprises openings 142 allowing fixing means to maintain the radial wall 141 - and the base - on an edge of the electric compressor, such as for example fixing screws.
  • the base 140 also includes a side wall 143 so as to form a sheath around the second portion 112 of the skirt 110 as shown in FIG. FIGURE 3 .
  • the second portion 112 of the skirt 110 forms a housing 116 into which the proximal portions 121 of the first pair of pins 120 and the ends 135 of the proximal portions 131 of the second pair of pins 130 open to allow the establishment of a electrical connection between each of the pins 120, 130 with standardized electrical connection means.
  • the intermediate connectors 150 for mechanically coupling each of the pins with the skirt 110 to hold them in position in the electrical connector 100, 200. As illustrated in FIG. FIGURE 4 , the intermediate connectors 150 are fixed at the ends 125 of the proximal portions 121 of the first pair of pins 120 and at the ends 135 of the proximal portions 131 of the second pair of pins 130.
  • the intermediate connectors comprise fins 151 for fixing by snap with complementary shapes of the skirt 110.
EP17192968.0A 2016-09-28 2017-09-25 Hochspannungsstromschalter für elektrischen kompressor Withdrawn EP3301764A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1659183A FR3056835B1 (fr) 2016-09-28 2016-09-28 Connecteur electrique haute tension pour compresseur electrique

Publications (1)

Publication Number Publication Date
EP3301764A1 true EP3301764A1 (de) 2018-04-04

Family

ID=57796471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17192968.0A Withdrawn EP3301764A1 (de) 2016-09-28 2017-09-25 Hochspannungsstromschalter für elektrischen kompressor

Country Status (2)

Country Link
EP (1) EP3301764A1 (de)
FR (1) FR3056835B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132397A1 (fr) * 2022-02-03 2023-08-04 Psa Automobiles Sa Dispositif electrique protege contre la formation de court-circuit electriques dus a un choc

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728456A1 (de) * 1987-08-26 1989-03-30 Bosch Gmbh Robert Elektronisches schalt- und steuergeraet mit mehrreihiger steckerleiste
JP2007280795A (ja) * 2006-04-07 2007-10-25 Molex Japan Co Ltd 電子接続箱ユニット
US20100099279A1 (en) * 2007-06-28 2010-04-22 Hidetaka Homme Waterproof Connector, Mounting Structure of Waterproof Connector and Mounting Method of Waterproof Connector
US20100300723A1 (en) * 2008-01-24 2010-12-02 Mitsubishi Cable Industries, Ltd. Circuit board case with electrical connector and electronic unit provided with the same
FR3015788A1 (fr) * 2013-12-20 2015-06-26 Dai Ichi Seiko Co Ltd Boitier pour connecteur electrique
US20160036286A1 (en) * 2012-11-30 2016-02-04 Denso Corporation Drive apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728456A1 (de) * 1987-08-26 1989-03-30 Bosch Gmbh Robert Elektronisches schalt- und steuergeraet mit mehrreihiger steckerleiste
JP2007280795A (ja) * 2006-04-07 2007-10-25 Molex Japan Co Ltd 電子接続箱ユニット
US20100099279A1 (en) * 2007-06-28 2010-04-22 Hidetaka Homme Waterproof Connector, Mounting Structure of Waterproof Connector and Mounting Method of Waterproof Connector
US20100300723A1 (en) * 2008-01-24 2010-12-02 Mitsubishi Cable Industries, Ltd. Circuit board case with electrical connector and electronic unit provided with the same
US20160036286A1 (en) * 2012-11-30 2016-02-04 Denso Corporation Drive apparatus
FR3015788A1 (fr) * 2013-12-20 2015-06-26 Dai Ichi Seiko Co Ltd Boitier pour connecteur electrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132397A1 (fr) * 2022-02-03 2023-08-04 Psa Automobiles Sa Dispositif electrique protege contre la formation de court-circuit electriques dus a un choc

Also Published As

Publication number Publication date
FR3056835A1 (fr) 2018-03-30
FR3056835B1 (fr) 2020-08-28

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