EP3382810A1 - Anschlussklemme für elektrischen kompressor - Google Patents

Anschlussklemme für elektrischen kompressor Download PDF

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Publication number
EP3382810A1
EP3382810A1 EP18164552.4A EP18164552A EP3382810A1 EP 3382810 A1 EP3382810 A1 EP 3382810A1 EP 18164552 A EP18164552 A EP 18164552A EP 3382810 A1 EP3382810 A1 EP 3382810A1
Authority
EP
European Patent Office
Prior art keywords
lug
electronic card
compressor
control module
electric motor
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Withdrawn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
EP18164552.4A
Other languages
English (en)
French (fr)
Inventor
Yvan MATHIEU
Lakdar LARABI
Fabrice HERAULT
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 EP3382810A1 publication Critical patent/EP3382810A1/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Withdrawn legal-status Critical Current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
    • 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
    • H01R11/26—End pieces terminating in a screw clamp, screw or nut
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/283—Bolt, screw or threaded ferrule parallel to the battery post
    • 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 field of the present invention relates to electric compressors equipping air conditioning installations for motor vehicles. More particularly, the invention relates to connecting means between an electric motor of an electric compressor and a control module of the electric motor.
  • the air conditioning installations of motor vehicles comprise a closed air conditioning circuit inside which a refrigerant circulates. Successively following the direction of circulation of the refrigerant through it, the air conditioning circuit essentially comprises a compressor, a condenser, a pressure reducer and an evaporator.
  • the compressor comprises an axially extended housing of generally cylindrical conformation.
  • the housing is provided with an inlet mouth through which fluid is admitted at low pressures into the housing. The fluid then flows through the housing from the inlet mouth to a refrigerant compression mechanism.
  • An outlet mouth is in communication with the compression mechanism for the discharge of the high pressure fluid out of the housing, following its compression.
  • the compression mechanism is rotated by a motorization whose implementation is regulated by a control module.
  • the motor and the control module are embedded inside the housing in two separate cavities separated by a sealed wall.
  • a first cavity houses the engine which is then immersed in the refrigerant, while the control module is housed in a second cavity which must be sealed with respect to the first cavity.
  • This motorization can for example be a three-phase electric motor, in which case the sealed wall is traversed by three pins connected on one side to the electric motor which extends in the first cavity and on the other to an electronic card of the control module. disposed in the second cavity, via pods.
  • the present invention is part of this context and aims to simplify these steps of mounting and electrical connection of the electronic board of the control module with the pin or pins which pass through the wall disposed between the two cavities of the electric compressor.
  • the object of the present invention is thus an electrical connection lug adapted to connect an electronic card of a control module of an electric compressor to a pin of the electric compressor.
  • This lug comprises a first end having a bore configured to allow a recess of the pin and a second end in which is formed an orifice configured to allow to screw the electrical lug on the electronic card.
  • the orifice formed at the second end may for example take a circular or oblong shape and it may also be centered or offset from this second end. According to an embodiment of the present invention, this orifice may also have an annular closed contour, but it is also possible that this annular contour is open, thus delimiting an open orifice on the outside of the terminal.
  • the first end of the terminal according to the present invention may be delimited by two sides configured to grip the spindle, by adjusting the distance separating these two sides.
  • the pin can thus be clamped in the first end in a mounted-tight configuration.
  • At least one a journey can be made on or in at least one of these flanks.
  • at least one or two openings can be made on each of the flanks.
  • the first and second ends of the terminal may be connected by at least two successive folds made in opposite directions.
  • these folds may each have an identical angle with respect to one another so that the first end and the second end extend in separate planes. and parallel.
  • the angle taken by each fold can for example be equal to 90 °.
  • this form of S makes it possible to take into account the difference in positions between the spindle of the electric motor and the electronic card.
  • this form of S can also be a vibratory decoupling zone.
  • these folds can be configured to absorb vibrations related to the operation of the electric motor in use in a motor vehicle.
  • this S-shape provides flexibility between two rigid attachment points, thus limiting any movement of the first end along an extension line of the spindle.
  • the first and second ends of the lug, and a central element carrying the folds form a single piece, made of an electrically conductive material.
  • the first end may for example have a first width greater than a second width of the central element carrying the folds. These two widths are measured between two flanks of the first end for the first width and between two slices of the central element for the second width.
  • the second end comprises at least one extension configured to pre-position the lug on the electronic card.
  • This extension can fulfill two functions: a first function of pre-positioning of the terminal on the electronic card ensuring alignment of the orifice with the point of attachment on the electronic board, and a second anti-rotation function. This second function thus facilitates the step of screwing the lug by preventing it from rotating during the tightening of a screw pinning the lug on the electronic card.
  • This extension may have a first segment emerging from the second end of the terminal and a second segment forming an angle between 10 ° and 170 ° with a plane in which this second end is inscribed. According to the embodiment illustrated below, the second segment forms an angle of 90 ° with the plane in which the second end is inscribed. Note that the extension can be formed only by the second segment, the latter being then directly from the second end of the terminal, including its contour which surrounds the orifice.
  • the invention also relates to a compressor comprising a housing delimiting a first cavity housing at least one refrigerant fluid compression mechanism and at least one electric motor and a second cavity housing at least one control module of this electric motor, these two cavities being separated by a sealed wall traversed by at least one pin electrically connected to the electric motor.
  • At least one electrical lug according to the present invention may be fixed, in particular screwed, on an electronic card of the control module and connected to the pin electrically connected to the electric motor.
  • control module and the electric motor are electrically connected to each other by at least three separate electrical lugs made according to the present invention and electrically connected to at least three pins of the electric motor.
  • the electronic card of the control module of the electric motor may comprise at least one electrical connection pad made on this electronic card and have at least one first recess formed through this electrical connection pad, for example in the center of the latter, this first recess being configured to allow the attachment of at least one terminal according to the present invention on this electronic card.
  • At least one nut adapted to receive a screw can be secured to the electronic card at the first recess.
  • the electronic card may comprise a second recess configured to receive an extension of a second end of the pod according to the present invention.
  • the invention also covers a method of connecting a control module with an electric motor of a compressor comprising a step of mounting and fixing an electronic card in a second cavity delimited by a compressor housing, a step of mounting at least one lug according to the present invention on a pin electrically connected to the electric motor and a step of electrically contacting the lug against the electronic card.
  • the lug is then screwed onto the electronic card, for example by means of a screw which plates the lug on one side of the electronic card.
  • FIG. 1 On the figure 1 is illustrated a compressor 1 organized to equip an air conditioning installation equipping a motor vehicle.
  • the compressor 1 has a housing 2 having a generally cylindrical conformation, extending along a longitudinal axis X.
  • Such a compressor is an electric compressor, that is to say whose compression is operated by an electrical means.
  • the casing 2 comprises an inlet mouth 3 and an outlet mouth 4 of a refrigerant fluid, the latter circulating in the casing 2 from the inlet mouth 3 to the outlet mouth 4 along and / or in components installed inside the housing 2.
  • This housing 2 delimits at least a first cavity 11 in which extends a compression mechanism 5 which compresses the refrigerant fluid.
  • the implementation of the compression mechanism 5 is operated, via a drive shaft 6, by an electric motor 7, received in the first cavity 11, inside the housing 2.
  • the compression mechanism 5 is for example to spiral compression mechanisms, one of the spirals being fixed while the other spiral oscillates.
  • This electric motor 7 is electrically powered and regulated by a control module 8 via an electrical connection 9.
  • the control module 8 is disposed in a second cavity 10 of the housing 2 separated from the first cavity 11 by at least a wall 12 traversed by the electrical connection 9.
  • This electrical connection 9 is formed by at least one pin 14 connected to the electric motor 7 in the first cavity 11 and to the control module 8 in the second cavity 10.
  • the electric motor 7 may be a three-phase electric motor, the electrical connection 9 is then formed by three pins 14 each connected by a first end to the electric motor 7, and by a second end, to the control module 8.
  • This second cavity 10 is here for example formed in the extension of the compression mechanism 5 and the electric motor 7 along the longitudinal axis X of the housing 2, the electric motor 7 being disposed longitudinally between the compression mechanism 5 and the control module 8.
  • the control module 8 is an electronic device configured at least for transforming a direct current from the vehicle into an alternating current adapted to actuate the electric motor 7.
  • the second cavity 10 comprising the control module 8 must necessarily contain a controlled atmosphere, devoid of any body or element likely to damage the control module 8, including a control electronics and / or power electronics constituting it.
  • the control module 8 thus comprises minus an electronic card 37 presenting first electronic components dedicated to the management of the power supplied to the electric motor 7 and the second electronic components dedicated to the management of the control, signal and / or diagnostic information relating to the compressor 1.
  • the housing 2, in particular the second cavity 10, is closed by a cover 13, the latter being a means for closing the second cavity 10.
  • the control module 8 is installed in the second cavity 10 and its electrical connection with the environment outside the compressor 1 occurs by passing, for example, through the cover 13.
  • This arrangement facilitates the electrical connection of the control module 8 outside the housing 2 is that is, a power supply harness belonging to the vehicle.
  • FIG. 1 and 2 illustrate an embodiment of a lug 16 of electrical connection according to the present invention.
  • This lug 16 makes it possible to make a connection between a pin 14 which passes through the wall 12 and the electronic card 37 of the control module 8 according to an extension line D1 illustrated in FIG. figure 4 .
  • the lug 16 extends along a longitudinal direction D2 and has two ends 17, 18 and a central element 19 having at least two folds 27, 28 described below.
  • This lug 16 comprises the first end 17 which has a bore 20 delimited by at least two flanks 21 and configured to allow a recess of at least one pin passing through the partition wall of the cavities, and a second end 18 in which is provided an orifice 23 configured to allow the screwing of this lug 16 on or against the electronic card of the control module.
  • This orifice 23 may have an oblong or circular shape and it may also be centered or offset with respect to an outer peripheral edge which delimits the second end 18 of the lug 16.
  • the second end 18 of the lug 16 may have a closed circular shape.
  • the orifice 23 through which the lug 16 will be screwed onto the electronic card of the control module may be delimited by an annular contour 45.
  • the annular contour 45 of the second end 18 of the lug 16 may have an opening, this second end 18 then having, seen from above, a horseshoe shape.
  • the second end 18 of the lug 16 has a regular annular contour 45 smooth.
  • this second end 18 has at least one extension 24 which protrudes from the annular contour 45 of the second end 18.
  • This extension 24 makes it possible to pre-position the lug 16 when it is attached to the control module's electronic card.
  • This extension 24 comprises a first segment 25 emerging from the second end 18 and a second segment 26 forming an angle of between 10 ° and 170 ° with a plane in which the second end 18 of the lug 16 is inscribed. embodiment of the present invention illustrated at figure 2 this angle is substantially equal to 90 °.
  • the presence of the first segment 25 makes it possible to move the second segment 26 away from the annular contour 45.
  • the second end 18 may be devoid of a first segment 25, the second segment 26 then coming directly from the annular contour 45.
  • the lug 16 also comprises the central element 19 connecting the first end 17 to the second end 18 and having at least two slices 44 and at least two folds 27, 28 successive.
  • These folds 27, 28 are made in opposite directions and may each have an identical angle with respect to each other so that the first end 17 and the second end 18 extend in separate and parallel planes. . According to the embodiment illustrated in figure 2 these successive folds 27, 28 may for example each have an angle equal to or substantially equal to 90 °.
  • the angle formed by a first ply 27 is measured between a first plane in which fits the orifice 23 formed in the second end 18 and a second plane in which the two slices 44 of the central element 19 are inscribed.
  • the angle formed by a second fold 28 is measured between this second plane and a third plane in which is an upper face 29 of the first end described below.
  • the first and second ends 17, 18 as well as the central element 19 form a single piece.
  • the first fold 27 emerges from the second end 18 while the second fold 28 emerges from the first end 17.
  • the first end 17 originates at the level of the second fold 28, which consequently has a U-shaped shape, comprising the upper face 29 and the two sidewalls 21.
  • This first end 17 may moreover have a first width L1 greater than a second width L2. of the central element 19.
  • the first width L1 is measured between the two flanks 21 of the first end 17 while the second width L2 is measured between two opposite edges of the central element 19.
  • the upper face 29 is regular and continuous on a first portion 30 of the first end 17 and has a slot 31 on a second portion 32 of this first end 17.
  • This second portion 32 of the first end 17 also has the bore 20 formed facing the light 31 and defined by the flanks 21. It is understood here that the bore 20 is through, opening above and below the first end.
  • flanks 21 respectively have an inner face 33 facing the bore 20 and an outer face 34 opposite to this inner face 33, that is to say facing the outside of the lug 16.
  • Each of these flanks 21 may also comprise a folded edge 22 arranged at its inner face 33, as illustrated in FIG. figure 3 .
  • the folded edges 22 are symmetrical with respect to the longitudinal direction D2 of the lug 16 and have a semicircular shape.
  • the bore 20 thus has a wider slot 31 on a lower face 35 than on the upper face 29. It will be understood that these folded edges 22 facilitate insertion of the pin 14 electrically connected to the electric motor in the bore 20.
  • Flanks 21 are also configured to adjust the distance between them in order to be able to grip the spindle through the sealed wall 12 of the compressor in a tight-fitting configuration.
  • these flanks 21 deviate, allowing its insertion, and then tend to resume their initial configuration, ensuring mechanical engagement of the spindle in the bore 20.
  • This flexibility of the flanks 21 is operated by the presence of the light 31 and the opening in the lower face 35, bordered by the folded edges 22.
  • Each of the flanks 21 has at least one aperture 36 which allows deformation of these flanks 21.
  • each of the flanks 21 may have several openings 36 formed symmetrically with respect to the longitudinal direction D2.
  • Each flank 21 may for example have two first openings 36 symmetrical two second openings 36 formed on the other side 21, as shown in FIG. figure 3 .
  • Each of the flanks 21 may also have an arm 43 folded towards the other side 21 as for example shown in FIG. figure 2 . These folded arms 43 make it possible to maintain the distance that separates the flanks 21 between two predetermined maximum values, and in particular during and after the embedding of the spindle in the bore 20 made between these flanks 21.
  • the figure 4 is a perspective view of a connection zone between the electronic card 37 of the compressor control module and the pins 14 connected to the electric motor of this compressor, this connection being made by means of lugs 16 according to the present invention.
  • the electric motor of the compressor is a three-phase electric motor which therefore has three electrical conductors which are connected three pins 14.
  • This figure 4 illustrates here two lugs 16 according to the present invention, each connected to a pin 14 by their first end 17 and screwed to the electronic card 37 of the control module.
  • a third terminal is omitted, so as to make visible the patch 38 and a third pin 14.
  • each of the three pins 14 is embedded in a mounted-tight configuration in the bore 20 of a lug 16, the latter being screwed to the electronic card 37 by means of a screw 42 received by the orifice 23 formed in the second end 18 of this lug 16.
  • this central element 19 carrying the previously described folds makes it possible to take account of the difference in height between the electronic card 37 and the pins 14. Moreover, as previously mentioned, this central element 19 is also a vibratory decoupling zone which allows to absorb the vibrations generated during operation of the electric motor.
  • this electronic card 37 has at least one first 39 obviously made for example in the center of at least one chip 38.
  • a first recess 39 is made at the centers of each of the pellets 38
  • These first recesses 39 are configured to each receive the screw 42 each allowing the lug 16 to be pressed against the electronic card 37, so as to ensure the electrical contact between the chip 38 and the lug 16.
  • At least one nut 41 adapted to receive the screw 42 may be secured to the electronic card 37.
  • This attachment may for example be performed by welding or crimping on one side of the electronic card arranged facing the partition wall.
  • the electronic card 37 may have three nuts 41 secured to the electronic card 37 to the right of each of the pellets 38, facing the first recess 39. These nuts 41 then allow to block each of the screws 42 and thus to properly maintain the lugs 16 on the electronic card 37.
  • the electronic card 37 may also have a second recess 40, through or blind, configured to receive the extension 24 of the second end 18 of the lug 16, as illustrated in FIG. figure 4 .
  • this second recess 40 can be made at the level of the pellets 38.
  • the extension 24 of the second end 18 is thus housed in this second recess 40, to pre-position the lug 16 at the time of its assembly. This pre-positioning then allows an alignment of the orifice 23 of the second end 18 with the first recess 39 which facilitates the introduction of the screw 42 and thus the attachment of the lug 16 on the electronic card 37.
  • the extension 24 is mechanically blocked by borders delimiting this second recess 40, which allows to create an anti-rotation system facilitating the screwing of the lug 16 having the extension 24 on the electronic card 37.
  • the lug 16 therefore does not generate a force on the pin 14, when clamping the lug 16 against the chip 38, since the extension 24 takes up the rotation forces and transmits them to the electronic card .
  • Given the high voltages involved in such a compressor it is thus interesting to limit the forces and movements during assembly, because they can during use generate arcs between the electrical lug and the pin, damage the electric compressor.
  • the lug 16 according to the present invention facilitates the step of mounting the control module in the second cavity, and its electrical connection with the pins passing through the partition wall of the two cavities.
  • lugs 16 according to the present invention can be mounted individually and independently on the electronic card, for example after the installation and fixing of the latter in the second cavity.
  • the mounting method can be achieved in three steps: a first step of fixing the electronic card in the second cavity delimited by the compressor housing, a second step of positioning at least one terminal 16 according to the invention, and advantageously three lugs 16, and a third step of fixing by screwing this lug 16 on the electronic card.
  • this extension 24 is indeed configured to be housed in the second recess 40 formed in the thickness of the electronic card, in or around each of the pads 38 made on the electronic card 37 and thus allow both to pre-position the lug 16 before fixing and to prevent the lug 16 to turn on itself during the third screwing step mentioned above.
  • the lug according to the invention therefore has two ends for connecting a pin electrically connected to an electric motor of a compressor to an electronic card of a control module of the electric motor, such a lug being configured to be attached by example by screwing on one side of the electronic card.
  • This lug may also have a central element configured to take account of a difference in position between the electronic card and the pin and to absorb potential vibrations generated during use in a motor vehicle.
  • the lug according to the present invention also has the advantage of being mounted on the electronic card of the control module after it is installed in the cavity of the compressor receiving the control module. It is of course possible to attach several lugs one after the other, on several pins, independently.
  • the electric current flowing in the compressor according to the present invention has a voltage that can be between 400V and 600V.
  • the pins and lugs according to the present invention are thus able to carry a current having such a voltage.
  • this electrical lug is made of an electrically conductive material such as copper or aluminum.
  • This lug can thus for example be made by punching and folding a sheet.
  • the invention can not, however, be limited to the means and configurations described and illustrated herein, and it also extends to any equivalent means or configurations and any technical combination operating such means.
  • the shapes and dimensions of the lug 16 can be modified without harming the invention, inasmuch as they fulfill the functionalities described herein.
EP18164552.4A 2017-03-28 2018-03-28 Anschlussklemme für elektrischen kompressor Withdrawn EP3382810A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1752591A FR3064824A1 (fr) 2017-03-28 2017-03-28 Cosse de raccordement pour compresseur electrique

Publications (1)

Publication Number Publication Date
EP3382810A1 true EP3382810A1 (de) 2018-10-03

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EP18164552.4A Withdrawn EP3382810A1 (de) 2017-03-28 2018-03-28 Anschlussklemme für elektrischen kompressor

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EP (1) EP3382810A1 (de)
FR (1) FR3064824A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808556A (en) * 1996-12-12 1998-09-15 Simplex Time Recorder Company Smoke/fire detector
US20010039145A1 (en) * 2000-05-04 2001-11-08 Schaefer Christopher E. Single blade terminal power connector system
US20070218736A1 (en) * 2006-03-16 2007-09-20 Toyota Jidosha Kabushiki Kaisha Connector structure and connector type terminal block structure
DE202011003555U1 (de) * 2011-03-04 2011-05-26 ROSENBERGER Hochfrequenztechnik GmbH & Co. KG, 83413 Hochstromsteckverbinder mit Ringfederkontaktierung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5808556A (en) * 1996-12-12 1998-09-15 Simplex Time Recorder Company Smoke/fire detector
US20010039145A1 (en) * 2000-05-04 2001-11-08 Schaefer Christopher E. Single blade terminal power connector system
US20070218736A1 (en) * 2006-03-16 2007-09-20 Toyota Jidosha Kabushiki Kaisha Connector structure and connector type terminal block structure
DE202011003555U1 (de) * 2011-03-04 2011-05-26 ROSENBERGER Hochfrequenztechnik GmbH & Co. KG, 83413 Hochstromsteckverbinder mit Ringfederkontaktierung

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