WO2017036722A1 - Dispositif de connexion servant à connecter un appareil de mesure à une borne de connexion d'un accumulateur d'énergie d'un véhicule à moteur - Google Patents

Dispositif de connexion servant à connecter un appareil de mesure à une borne de connexion d'un accumulateur d'énergie d'un véhicule à moteur Download PDF

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Publication number
WO2017036722A1
WO2017036722A1 PCT/EP2016/068552 EP2016068552W WO2017036722A1 WO 2017036722 A1 WO2017036722 A1 WO 2017036722A1 EP 2016068552 W EP2016068552 W EP 2016068552W WO 2017036722 A1 WO2017036722 A1 WO 2017036722A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
connection
measuring
bridge
connection terminal
Prior art date
Application number
PCT/EP2016/068552
Other languages
German (de)
English (en)
Inventor
Henryk Frenzel
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2017036722A1 publication Critical patent/WO2017036722A1/fr

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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
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/287—Intermediate parts between battery post and cable end piece
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • 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
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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 field of metrology in the field of energy storage in motor vehicles.
  • the invention relates to a connection device for connecting a measuring device to a terminal pole of an energy storage device of a motor vehicle.
  • battery ⁇ sensors IBS - Intelligent Battery Sensor
  • Many of these battery sensors work ⁇ derstandswert, for example, 100 ⁇ by a shunt, a highly precise and constant over the temperature measuring resistance as possible with a low Wi.
  • the temperature dependence of the measuring resistor is additionally compensated via an internal temperature sensor.
  • the temperature sensor is ⁇ this usually integrated into the battery sensor.
  • the publication WO 2014/1 35 312 AI discloses a sensor ⁇ device for measuring a battery current in motor vehicles, comprising a clamping device for attaching the current sensor device to a holding body, an electrical resistance element, and an electrical mass element.
  • the clamping device, the resistance element and the mass element are integrally formed.
  • a realization of contact ⁇ element for the Meßabgriff is not disclosed.
  • Document US 2014/0320 150 A1 describes a sensor device for measuring a battery current in motor vehicles, comprising a line plate and a printed circuit board, which is mounted above the line plate. A part of the pipe plate is formed as a resistance element. Con ⁇ tact elements for the Meßabgriff are attached to both ends of the resistor element, which are electrically connected to the circuit board by soldering.
  • a measuring arrangement which comprises a connection terminal for connection to an energy store, the measuring resistor, a measuring electronics and a connection for an electrical line is a complex and expensive component. A cost-effective, thermo-voltage-free and robust contact between measuring resistor and printed circuit board is difficult. DESCRIPTION OF THE INVENTION
  • the invention relates to an on ⁇ closing device for connecting a measuring device to a terminal pole of an energy storage of a motor vehicle, with a terminal, which is designed to clamp the terminal pole clamped, a measuring terminal for electrically connecting the meter to the terminal, wherein the Measuring terminal has a first connection terminal and a second connection terminal, wherein the measuring device is electrically connectable to the first connection terminal and the second connection terminal, wherein the measuring terminal has a measuring resistor which electrically connects the first connection terminal with the second connection terminal, wherein the first An ⁇ terminal terminal electrically is connected to the connection terminal, and wherein the connection terminals have contact elements, which are integrally formed with the connection terminals and the measuring resistor.
  • connection terminals can form an integral part with the contact elements and the measuring resistor.
  • the connection of the measuring device can take place parallel to the measuring resistor, so that the measuring device for example, can efficiently detect a voltage drop across the measuring resistor.
  • additional connection elements for example a welding on of contact pins to the first or second connection terminal.
  • the first connection terminal comprises at least one contact element for connecting the measuring device and the second connection terminal comprises at least one further Kon ⁇ clock element for connecting the measuring device.
  • the technical advantage is achieved, for example, that the measuring device for measuring an electrical parameter, for example a voltage, can be connected to the measuring connection parallel to the measuring resistor.
  • the contact elements with press-fit pins in particular
  • Pressfit pins provided for connecting the measuring device.
  • the technical advantage is achieved that an efficient connection of the measuring device can be made to the measuring port.
  • the measurement connection is integrally formed from an electrically conductive material
  • the measurement resistor is formed by at least one recess or taper between the first connection terminal and the second connection terminal.
  • the measuring connection is formed from copper or a copper alloy.
  • the technical advantage is achieved that the measuring connection is particularly suitable for conducting high currents.
  • the measuring resistor is formed by at least two webs which extend between the first connection terminal and the second connection terminal.
  • the technical advantage is achieved that the electrical resistance of the measuring resistor can be adjusted via the parallel connection of the partial resistors of the respective webs. In this way, for example, a total resistance of the measuring resistor can be realized, which is smaller than a partial resistance of a web of the at least two webs.
  • the second connection terminal can be connected to an electrical line.
  • the technical advantage is achieved, for example, that the energy storage device can be electrically connected to the electrical line via the connection device.
  • connection terminals are integrally formed with the contact elements.
  • the contact elements are formed as contact tabs.
  • the first conductor bridge is bow-shaped or the first conductor bridge extends in a straight line.
  • the connection device may have a compact design.
  • the first line bridge between the first connection terminal and the connection terminal has at least one heat trap, in particular a recess.
  • the technical advantage is achieved, for example, that a heat flow emanating from the measuring resistor can be reduced by the first line bridge. In this way, a more uniform heat ⁇ distribution in the terminal device can be achieved and thermoelectric voltages can be reduced in the connection device.
  • the connecting device is at least one heat trap along a central axis of the first conduit bridge or at the edge of the first conductive bridge is arranged ⁇ .
  • the measurement connection has a second line bridge, which is connected to the second connection terminal, and which comprises a connection for the electrical line.
  • the second line bridge has an enlarged cross-sectional area and / or an increased mass compared to the first line bridge.
  • the technical advantage is achieved, for example, that a heat flow emanating from the measuring resistor can be increased into the second line bridge and / or the heat absorption capacity of the second line bridge can be increased. In this way, a more uniform heat distribution in the connection device can be achieved and thermoelectric voltages in the connection device can be reduced.
  • connection device is integrally formed from an electrically conductive material.
  • the invention relates to a measuring arrangement for detecting ⁇ an electrical measured variable of the energy store of a motor vehicle, comprising at ⁇ circuit device according to the first aspect of the invention and the measuring device, which at the measuring terminal of the Ranvor- 0
  • the measuring arrangement can detect the electrical measurement of the energy storage, while the energy storage device is connected by means of the connection device to the electrical line.
  • the measuring device comprises a printed circuit board with at least one sensor element, in particular a voltage sensor element.
  • the technical advantage is achieved, for example, that an electrical measured variable, for example a voltage value which is obtained at the measuring resistor, can be detected efficiently.
  • the measuring device comprises an analog-to-digital converter and / or a processor.
  • the technical advantage is achieved that an analog measured variable detected by the measuring device can be converted into a digital signal and / or converted by the processor into another physical measured variable.
  • the processor can convert this voltage value into a current value, for example.
  • the current value can be at ⁇ play, be a charge or discharge energy ⁇ memory.
  • the processor may be a microprocessor which may be electrically connected to the sensor element and / or the analog-to-digital converter. Further, the processor may include a memory, which may be in reference values, for example a Refe rence ⁇ resistance of the measuring resistor are stored.
  • the measuring device comprises a temperature sensor element for detecting a temperature of the energy store and / or the connection device and / or the measuring connection. This will play as achieved the technical advantage in ⁇ that the temperature of the measuring resistor is determined and can be included in the calculation of the current value of the voltage drop across the sense resistor voltage value.
  • Fig. 1 is a schematic representation of a connection device
  • FIG. 2 shows a schematic representation of a connecting device in an intermediate step of the production
  • connection device 4a shows a schematic representation of a connection device with a heat trap
  • 4b is a schematic representation of a connection device with a heat trap
  • 5a shows a schematic representation of a connection device with a second line bridge with an enlarged cross-sectional area
  • 5b is a schematic representation of a connecting device with a second line bridge with an enlarged cross-sectional area.
  • connection device 100 for connecting a measuring device to a connection pole of an energy store of a motor vehicle according to an embodiment.
  • the connecting device 100 for connecting the measuring device to the terminal pole of the energy accumulator of the motor vehicle comprises a terminal 101, which is designed to clamp the An ⁇ terminal pole clamped, a measuring terminal 103 for electrically connecting the meter to the terminal 101, the measuring terminal 103 a first Connection terminal 105 and a second connection terminal 107, wherein the measuring device is electrically connectable to the first connection terminal 105 and the second connection terminal 107, wherein the measuring terminal 103 has a measuring resistor 109, which electrically connects the first connection terminal 105 with the second connection terminal 107, the first terminal terminal 105 is electrically connected to the terminal 101, and wherein the terminal terminals 105 have contact members 111 which are integrally formed with the terminal terminals 105, 107 and the measuring resistor 109.
  • the measuring connection 103 is formed in one piece from a single material, for example copper or a copper alloy.
  • connection device 100 in FIG. 1 further comprises a first line bridge 113, which has the first connection terminal 105 the connection terminal 101 connects, and a second line ⁇ bridge 115 with a connection 117 for connecting an electrical line.
  • the first connection terminal 105 and the second connection terminal 107 in FIG. 1 each comprise two contact elements 111, which are formed in FIG. 1 as pressfit pins.
  • connection device 100 is integrally formed from an electrically conductive material.
  • connection techniques for attaching additional connection elements for example a welding of contact pins to the connection terminals 105, 107, can be dispensed with, cracking and soiling can be avoided.
  • thermal stresses in the respective components can be avoided.
  • the measuring resistor 109 and / or the measuring terminal 103 are formed as a shunt.
  • connection device 100 According to a further embodiment of the connection device 100, a particularly simple and cost-effective production and assembly of the connection device 100 can take place on account of the one-piece design of the measurement connection 103 and / or the connection device 100.
  • the measuring connection 103 in particular the first connection terminal 105 and the second Connection terminal 107, manufactured with different manufacturing processes. These manufacturing methods may include forming upstanding single pins in the first connection terminal 105 and the second connection terminal 107.
  • the measuring terminal 103 in multiple pieces, in particular two-piece or three-piece, for example of a copper-nickel-manganese alloy and copper, is formed, wherein the materials cohesively in ⁇ may be connected play by means of electron beam welding.
  • the measuring resistor 109 is made of the copper-nickel-manganese alloy, and the first terminal terminal 105 and the second terminal terminal 107 are each formed of copper.
  • the two cohesively bonded materials can be materially connected, for example, by means of electron welding between the first connection terminal and the measuring resistor, and between the second connection terminal and the measuring resistor.
  • connection device 100 shows a connection device 100 according to an embodiment, wherein the contact elements 111 of the first connection terminal 105 and of the second connection terminal 107 have emerged in FIG. 2, but are not yet aligned for connecting the measuring device. This alignment can be done in a next manufacturing step, for example by bending the contact elements 111.
  • the manufacturing methods for producing the measuring connection 103 may include punching and bending, forging, metal injection molding (MIM) or extruding the measuring connection 103 and / or the first connection.
  • Terminals 105 and the second connection terminal 107 and / or the connection device 100 include.
  • the measuring terminal 103 in Fig 3 comprises a first at ⁇ -circuit terminal 105, a second connection terminal 107 and a sense resistor 109, wherein the first connecting terminal 105 and the second connection terminal comprise 107 contact elements 111 for the connection of the measuring device shown in Fig. 3 according to the prior the technique are designed as solder pins.
  • the contact elements 111 are formed as press-fit pins, in particular as pressfit pins.
  • the measuring device comprises a printed circuit board with complementary to the contact elements 111 contact zones or terminals, for example Pressfitzonen, for connecting the measuring device. The connection and electrical contacting of the measuring device can be done for example by pressing the press-fit into the terminals of the circuit board.
  • FIGS. 4 a and 4b show schematic representations of connection devices 100, each having a heat trap 401.
  • the heat sink 401 in Fig. 4a is a breakthrough in the first conduit bridge between the first connecting terminal 105 and the terminal 101 is formed and is disposed along a center axis of the first conduit with ⁇ bridge 113th
  • the heat trap 401 in FIG. 4 b is formed as a recess at the edge of the first conductor bridge 113 between the first connection terminal 105 and the connection terminal 101.
  • the heat traps can 401 heat flow ver to the energy store wrestlers ⁇ from the measuring resistor 109th This heat flow can lead to an uneven heat distribution in the connection device 100 and to a resulting thermal voltage, which can interfere with a measurement of the measuring device.
  • the heat traps 401 such thermoelectric voltages in the connection device 100 can be reduced.
  • the heat traps 401 may be formed such that a flow of current through the first conduction bridge 113 is not impeded appreciably by the heat traps 401. This can be achieved, for example, by arranging the heat traps 401 at the edge of the first conductor bridge 113, as shown in FIG. 4b.
  • the heat traps 401 may also be formed as holes, cuts or notches in the first conductor bridge 113.
  • Fig. 5a and Fig. 5b show schematic illustrations of connecting devices 500 with an enlarged cross-sectional area of the second conductive bridge 115.
  • Fig. 5a and Fig. 5b compare in each case diagrammatic illustrations of connecting devices 100 without an enlarged cross-sectional area of the second conductive bridge 115 with specific ⁇ matic representations the connection devices 500 with an enlarged cross-sectional area of the second conduction bridge 115.
  • the second line bridge 115 has an increased mass and / or an increased volume compared to the first line bridge.
  • the increased cross-sectional area and / or the ver ⁇ scenicte volume and / or the increased mass of the second conductive bridge 115 of the outbound from the measuring resistance heat flow can be increased and / or the heat capacity of the second jumper 115 can be increased in the second line bridge 115th In this way, a more even heat distribution in the terminal device 100 can be achieved, and thermoelectric voltages in the terminal device 100 can be reduced.
  • the enlargement of the cross-sectional area and / or the volume and / or the mass of the second conduction bridge 115, or an introduction of heat traps 401 into the first conduction bridge 113, can be used for one-piece measuring connections and / or connecting devices 100 or for multi-part measuring connections 103 and / or Connection devices 100 take place.
  • connection device 100 can cause a symmetrical heat flow in the connection device 100 starting from the measuring resistor 109.
  • thermoelectric voltages in the connection device 100 which can interfere with a measurement of the measuring device, can be avoided.

Abstract

La présente invention concerne un dispositif de connexion (100) servant à connecter un appareil de mesure à une borne de connexion d'un accumulateur d'énergie d'un véhicule à moteur, comprenant une cosse (101) conçue pour entourer de manière serrée la borne de connexion, une borne de mesure (103) servant à connecter électriquement l'appareil de mesure à la cosse (101), la borne de mesure (103) présentant une première borne de connexion (105) et une deuxième borne de connexion (107), l'appareil de mesure pouvant être connecté électriquement à la première borne de connexion (105) et à la deuxième borne de connexion (107), la borne de mesure (103) présentant une résistance de mesure (109) qui connecte électriquement la première borne de connexion (105) à la deuxième borne de connexion (107). La première borne de connexion (105) est connectée électriquement à la cosse (101). Les bornes de connexion (105, 107) présentent des éléments de contact (111) qui forment une seule pièce avec les bornes de connexion (105, 107) et la résistance de mesure (109). La première borne de connexion (105) présente au moins un élément de contact (111) servant à connecter l'appareil de mesure et la deuxième borne de mesure (107) présente au moins un autre élément de contact (111) servant à connecter l'appareil de mesure, les éléments de contact (111) étant pourvus de broches d'insertion en force servant à connecter l'appareil de mesure.
PCT/EP2016/068552 2015-09-02 2016-08-03 Dispositif de connexion servant à connecter un appareil de mesure à une borne de connexion d'un accumulateur d'énergie d'un véhicule à moteur WO2017036722A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216789.5A DE102015216789A1 (de) 2015-09-02 2015-09-02 Anschlussvorrichtung zum Anschließen eines Messgerätes an einen Anschlusspol eines Energiespeichers eines Kraftfahrzeugs
DE102015216789.5 2015-09-02

Publications (1)

Publication Number Publication Date
WO2017036722A1 true WO2017036722A1 (fr) 2017-03-09

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PCT/EP2016/068552 WO2017036722A1 (fr) 2015-09-02 2016-08-03 Dispositif de connexion servant à connecter un appareil de mesure à une borne de connexion d'un accumulateur d'énergie d'un véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102015216789A1 (fr)
WO (1) WO2017036722A1 (fr)

Cited By (2)

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CN110940834A (zh) * 2019-11-29 2020-03-31 国网福建省电力有限公司检修分公司 一种用于电力设备电气试验的快速接线钳
CN111693746A (zh) * 2019-03-14 2020-09-22 泰连德国有限公司 具有简化几何形状的无源电流传感器

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WO2020011363A1 (fr) * 2018-07-12 2020-01-16 HELLA GmbH & Co. KGaA Ensemble capteur électrique comprenant un élément de résistance de shunt
DE102019203496B3 (de) 2019-03-14 2020-07-16 Te Connectivity Germany Gmbh Passiver Stromsensor mit vereinfachter Geometrie
JP7116026B2 (ja) * 2019-09-05 2022-08-09 矢崎総業株式会社 シャント抵抗式電流検出装置
DE102020207874B4 (de) 2020-06-24 2023-11-23 Vitesco Technologies GmbH Strommessschaltung mit einer Auswerteeinheit und einem Widerstandsmesselement
DE102021116419A1 (de) 2021-06-24 2022-12-29 Sma Solar Technology Ag Stromschiene zur strommessung eines gleich- und/oder wechselstroms

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DE102004053648A1 (de) * 2004-11-03 2006-05-04 Leopold Kostal Gmbh & Co. Kg Batteriestromsensor für ein Kraftfahrzeug
DE112008001413T5 (de) * 2007-06-04 2010-04-29 Lear Corp., Southfield Batteriepol-Anschluss
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WO2014135312A1 (fr) 2013-03-05 2014-09-12 Continental Automotive Gmbh Dispositif capteur de courant à dispositif de serrage intégré et élément de masse
US20140320150A1 (en) 2011-12-13 2014-10-30 Yazaki Corporation Shunt resistor based current sensor

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DE102004055848B4 (de) * 2004-11-19 2008-02-21 Bayerische Motoren Werke Ag Batteriesensorvorrichtung
JP5619663B2 (ja) * 2011-03-31 2014-11-05 古河電気工業株式会社 シャント抵抗器の接続端子、及びバッテリー状態検知装置

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DE102004053648A1 (de) * 2004-11-03 2006-05-04 Leopold Kostal Gmbh & Co. Kg Batteriestromsensor für ein Kraftfahrzeug
US20110062945A1 (en) * 2004-12-20 2011-03-17 Johnson Controls Technology Company Device for measuring a current flowing in a cable
DE112008001413T5 (de) * 2007-06-04 2010-04-29 Lear Corp., Southfield Batteriepol-Anschluss
US20140320150A1 (en) 2011-12-13 2014-10-30 Yazaki Corporation Shunt resistor based current sensor
WO2014135312A1 (fr) 2013-03-05 2014-09-12 Continental Automotive Gmbh Dispositif capteur de courant à dispositif de serrage intégré et élément de masse

Cited By (2)

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CN111693746A (zh) * 2019-03-14 2020-09-22 泰连德国有限公司 具有简化几何形状的无源电流传感器
CN110940834A (zh) * 2019-11-29 2020-03-31 国网福建省电力有限公司检修分公司 一种用于电力设备电气试验的快速接线钳

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