WO2017036723A1 - 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
WO2017036723A1
WO2017036723A1 PCT/EP2016/068557 EP2016068557W WO2017036723A1 WO 2017036723 A1 WO2017036723 A1 WO 2017036723A1 EP 2016068557 W EP2016068557 W EP 2016068557W WO 2017036723 A1 WO2017036723 A1 WO 2017036723A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection
terminal
conductive bridge
web
measuring device
Prior art date
Application number
PCT/EP2016/068557
Other languages
German (de)
English (en)
Inventor
Martin Schramme
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 WO2017036723A1 publication Critical patent/WO2017036723A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • 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

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.
  • measuring devices such as battery sensors
  • shunt which has a measuring resistance value which is as constant as possible over the temperature.
  • the shunt is often integrated into a main current path of the measuring arrangement and generates, when it is traversed by a current, an electrical voltage according to Ohm's law. This voltage is proportional to a resistance of the shunt and to the current flowing through the shunt and can be converted into a current value.
  • the measurement of the shunt voltage and the conversion to the corresponding current value is often carried out by means of an electrical circuit which is electrically and mechanically connected to the shunt or the main current path of the measuring arrangement.
  • the resistance is often in a defined range below the electrical circuit by a rejuvenation of the main current path, which criz- For example, is designed as a conductive bridge generated.
  • a taper increases the resistance of the main ⁇ current path.
  • a region of the conductive bridge formed by a taper can strongly heat up with a locally high resistance at high current flow. This can cause temperature gradients and resulting thermal stresses in the conductive bridge, which can interfere with measurement of the battery sensor.
  • Document US 2015/0 192 622 Al describes an on ⁇ circuit device for connecting a measuring device to a terminal pole of an energy storage. In this case, the terminal pole of the battery is electrically conductively connected to an electrical line through a line plate.
  • the conduit plate has a first and a second web. Both webs run at the edge of the conduit plate.
  • the connection of the two webs with a measuring device allows the measurement of the voltage drop across the resistor element.
  • the publication US 2014/0 320 150 AI discloses a connection device for connecting a measuring device to a terminal pole of an energy storage.
  • the terminal pole of the battery is electrically conductively connected to an electrical line through a line plate.
  • the conduit plate has a first and a second web. Again, both webs run on the edge of the conduit plate.
  • the connection of the two webs with a measuring device allows the measurement of the voltage drop across the resistor element.
  • 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, and a line element, with a first connection area, which with the terminal and a second terminal region to which an electric wire is electrically connectable, the wire member further comprising: a conductive bridge electrically connecting the first terminal region to the second terminal region, a first land extending from the first terminal region extends, and a second web, which extends from the second connection region, wherein the first web and the second web by
  • Recesses are formed in the conductive bridge and aligned with each other, wherein the first web and the second web form a connection terminal for connecting the measuring device.
  • the measuring device can record efficiently by means of an electrical contacting of the webs a measured variable occurring over the length of the bridge, for example a voltage.
  • the first web and the second web are each formed by a recess and extend along a central axis of the conductive bridge.
  • the technical advantage is achieved that the first web and the second web can be mechanically and electrically shielded from the surrounding conductive bridge.
  • the first web and the second web of the conductive bridge can be at least partially shielded from electromagnetic interference.
  • the measuring device may be smaller than the conductive bridge, or may have a smaller cross-sectional area than the conductive bridge, since contacting points for the measuring device on the first web and the second web may be close together due to their orientation to each other.
  • the energy store may be an accumulator or a battery, in particular a starter battery or a vehicle battery of a motor vehicle.
  • the energy store can be
  • the energy store can have a plus and a minus pole, to which a voltage of, for example, 12 V or 24 V can be present.
  • the first land, the second land, and the conductive bridge extend in substantially the same plane.
  • the first web comprises at least one contact element for connecting the measuring device
  • the second web comprises at least one further contact element for connecting the measuring device.
  • further webs are formed by further recesses in the bridge, wherein the further webs extend from the first connection region and / or the second connection region and run parallel to the first web or to the second web.
  • the further measured variables may be, for example, a constant or a temporally variable reference current, for example for determining a compensation factor for a thermal resistance change of the conductive bridge.
  • the further webs comprise further contact elements for connecting the measuring device. As a result, the technical advantage is achieved that the measuring device can be efficiently connected to the further webs for detecting at least one further electrical measured variable.
  • the conductive bridge Brü ⁇ ckenabitese on which an angle, in particular at an angle of 90 ° extend to each other, or the conductive bridge extends straight.
  • the conduit element is integrally formed.
  • the technical advantage is achieved that a simple production of the line element, for example by means of punching technology from a one-piece conductive plate, can be done.
  • contact resistances which occur at connecting points in the case of multi-part line elements, and power losses occurring at these contact resistances can be efficiently avoided.
  • high temperatures resulting from contact resistances which can lead to temperature gradients and thermal stresses in the line element, can be avoided.
  • the conduit element is formed of a copper alloy.
  • the second connection region has a connection for connecting the electrical line by means of screw or crimp connection. This will be the technical Advantage achieved that the electrical line can be efficiently connected to the second port.
  • the invention relates to a measuring arrangement for detecting an electrical parameter of an energy store, wherein the measuring arrangement comprises the Ranvor ⁇ direction according to any one of the preceding claims and the measuring device, which is connected to the line element of the connecting device comprises.
  • the measuring arrangement can efficiently detect an electrical measured variable at the conductive bridge, while the energy store is connected to the electrical line via the connecting device.
  • the measuring arrangement comprises a
  • Printed circuit board with at least one sensor element, in particular a voltage sensor element This achieves the technical advantage that the measuring arrangement can efficiently detect a voltage drop across the conductive bridge.
  • the measuring device comprises an analog-to-digital converter and / or a processor.
  • an analog measured variable detected by the measuring device can be converted into a digital signal and / or can be converted by the processor into another physical measured variable.
  • the processor can convert this voltage value, for example, into a current value.
  • the current value may be, for example, a charging or discharging current of the energy storage ⁇ memory.
  • the processor may be a microprocessor which may be electrically connected to the sensor element and / or the analog-to-digital converter.
  • the processor can include a memory in which reference values, for example a reference resistance of the measuring resistor, can be stored.
  • the measuring device comprises a Tempe ⁇ temperature sensor element for detecting a temperature of the energy storage device and / or the connection device and / or the conductive bridge.
  • a Tempe ⁇ temperature sensor element for detecting a temperature of the energy storage device and / or the connection device and / or the conductive bridge.
  • Fig. 1 is a schematic representation of a
  • connection device is a schematic representation of a connection device
  • connection device 3 is a schematic representation of a connection device
  • Fig. 4 is a schematic representation of a measuring arrangement.
  • Fig. 1 shows a schematic representation of a connection ⁇ device 100 for connecting a measuring device 119 exemplified in Fig. 1 to a terminal post of a Energy storage of a motor vehicle according to a Ausique ⁇ tion form.
  • the connection device 100 for connecting the measuring device 119 to the connection pole of the energy accumulator of the motor vehicle comprises a connection terminal 101, which is designed to grip the connection pole, and a line element 103 with a first connection region 105, which is connected to the connection terminal 101, and a second terminal portion 107 to which an electric wire is electrically connectable, a conductive bridge 109 electrically connecting the first terminal portion 105 to the second terminal portion 107, a first land 110 extending from the first terminal portion 105, and a second land Stem 111, which extends from the second connection portion 107, wherein the first web 110 and the second web 111 formed by Aus ⁇ savings 113 in the conductive bridge 109 and aligned to ⁇ each other, wherein the first web 110 and the second web 111th a connection terminal for connecting the Me form 119.
  • the first land 110 and the second land 111 extend along a center axis of the conductive bridge 109.
  • the webs 110, 111 can be protected in a particularly efficient manner mechanically and electrically by the conductive bridge.
  • the webs of the conductive bridge against electromagnetic interference can be shielded.
  • the electrical resistance contributes to the total distance between the first connection region 105 and the second connection region 107 for generating an ohmic voltage drop.
  • the detection of this resistive voltage clamping ⁇ trash can through the meter 119 to determine a Charging or discharging the energy storage, which can be done ⁇ example, also by the meter 119, are used.
  • the webs 110, 111 are aligned with each other, and the ends of the webs may be close together. Consequently, the contact points 115 on the webs 110, 111, to which the measuring device 119 is connected to the webs 110, 111, close together.
  • the meter 119 may have compact dimensions, in particular the measuring instrument 119 may have a smaller cross sectional area than the at ⁇ circuit device 100 or the conductive bridge 109 have.
  • connection device 100 shows a schematic illustration of the connection device 100 according to an embodiment with a measuring device 119 shown by way of example, wherein the connection device 100 comprises two further webs 401, 403 which run parallel to the first web 110 and to the second web 111, respectively.
  • the further webs 401, 403 are used for detecting a further measured variables by the measuring device, for example a constant or temporally variable reference current. In this manner, a compensation factor for a thermal Wi can derstands selectedung the conductive bridge are determined at 109 ⁇ play.
  • FIG. 3 shows a schematic illustration of the connection device 100 according to an embodiment with a measuring device 119 illustrated by way of example, wherein the conductive bridge 109 extends in a straight line.
  • the conductive bridge extends linearly in Fig. 3109, for example, safety distances between the Kon can ⁇ timing points 115 on the first web 110 and the second web 111, the terminal 101 and the electrical line are maintained. Furthermore, a bend or an angled course of the first web 110 and / or the second web 111 can be avoided, whereby the mechanical stability of the first web 110 and / or second web 111 can be increased.
  • the measuring arrangement comprises the measuring device 119, which is connected to the connecting device 100 according to one of the aforementioned embodiments, and which is surrounded by a housing 601.
  • the housing 601 is a synthetic material housing ⁇ , for example, an injection-molded housing or a metallic housing.
  • the housing 601 may protect the meter 119 from mechanical and / or electromagnetic interference.
  • the housing 601 surrounds the measuring device 119. According to a further embodiment, the housing 601 encloses the measuring device 119 and at least partially the conductive bridge 109.
  • the mechanical stability of the conductive bridge 109 in the region of the measuring device 119 can be increased to protect the measuring device 119.
  • the conductive bridge 109 may have an enlarged cross-sectional area in the region of the measuring device 119.
  • the measuring device 119 comprises a printed circuit board with an electrical circuit.
  • the circuit board may for example be a one-sided or a double-sided printed circuit board, a multi-layer board, a fle ible ⁇ circuit board or a ceramic circuit board.
  • the measuring device 119 comprises a temperature sensor for detecting the temperature of the conductive bridge 109 to compensate for a temperature-conditional change of the resistance value of the conductive bridge 109 at the loading ⁇ calculation of the current from the voltage drop on the conductive bridge 109th
  • the conductive bridge 109 is formed as a shunt.
  • the measuring device 119 comprises an integrated circuit having at least one sensor element, in particular a voltage sensor element.
  • the energy store is a battery of the motor vehicle.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

La présente invention concerne un dispositif de connexion (100) servant à connecter un appareil de mesure (119) 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, et un élément conducteur (103) présentant une première zone de connexion (105) connectée à la cosse (101) et une deuxième zone de connexion (107) à laquelle peut être connecté un conducteur électrique, l'élément conducteur (103) présentant en outre les caractéristiques suivantes : un pont conducteur (109) qui connecte électriquement la première zone de connexion (105) à la deuxième zone de connexion (107), un premier élément jointif (110) s'étendant à partir de la première zone de connexion (105) et un deuxième élément jointif (111) s'étendant à partir de la deuxième zone de connexion (107), le premier élément jointif (110) et le deuxième élément jointif (111) étant formés par des évidements (113) dans le pont conducteur (109) et étant orientés l'un vers l'autre. Le premier élément jointif (110) et le deuxième élément jointif (111) forment une borne de connexion servant à connecter l'appareil de mesure (119), le premier élément jointif (110) et le deuxième élément jointif (111) étant formés respectivement par un évidement (113) et s'étendant le long de l'axe central du pont conducteur (109).
PCT/EP2016/068557 2015-09-01 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 WO2017036723A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216700.3 2015-09-01
DE102015216700.3A DE102015216700A1 (de) 2015-09-01 2015-09-01 Anschlussvorrichtung zum Anschließen eines Messgerätes an einen Anschlusspol eines Energiespeichers eines Kraftfahrzeugs

Publications (1)

Publication Number Publication Date
WO2017036723A1 true WO2017036723A1 (fr) 2017-03-09

Family

ID=56787435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/068557 WO2017036723A1 (fr) 2015-09-01 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) DE102015216700A1 (fr)
WO (1) WO2017036723A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108572262B (zh) * 2017-03-07 2021-10-22 大陆汽车有限公司 用于接线端的盖件
DE102018217554A1 (de) * 2018-10-12 2020-04-16 Continental Automotive Gmbh Batteriesensor und Verfahren zur Herstellung eines Batteriesensors
DE102018217557A1 (de) * 2018-10-12 2020-04-16 Continental Automotive Gmbh Batteriesensor
JP7074722B2 (ja) * 2019-05-27 2022-05-24 矢崎総業株式会社 センサ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407152A (fr) * 1964-06-16 1965-07-30 Compteurs Comp D Perfectionnements aux shunts
US20030020453A1 (en) * 2000-03-17 2003-01-30 Walter Trumpler Device for measuring an electric current that flows through a strip conductor
US20140320150A1 (en) * 2011-12-13 2014-10-30 Yazaki Corporation Shunt resistor based current sensor
WO2015012314A1 (fr) * 2013-07-25 2015-01-29 矢崎総業株式会社 Capteur de courant du type à résistance de dérivation
US20150192622A1 (en) * 2012-09-21 2015-07-09 Yazaki Corporation Shunt Resistance Type Current Sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055848B4 (de) * 2004-11-19 2008-02-21 Bayerische Motoren Werke Ag Batteriesensorvorrichtung
DE102008041539A1 (de) * 2008-08-26 2010-03-04 Robert Bosch Gmbh Shuntwiderstand mit Auswerteschaltung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407152A (fr) * 1964-06-16 1965-07-30 Compteurs Comp D Perfectionnements aux shunts
US20030020453A1 (en) * 2000-03-17 2003-01-30 Walter Trumpler Device for measuring an electric current that flows through a strip conductor
US20140320150A1 (en) * 2011-12-13 2014-10-30 Yazaki Corporation Shunt resistor based current sensor
US20150192622A1 (en) * 2012-09-21 2015-07-09 Yazaki Corporation Shunt Resistance Type Current Sensor
WO2015012314A1 (fr) * 2013-07-25 2015-01-29 矢崎総業株式会社 Capteur de courant du type à résistance de dérivation
US20160124023A1 (en) * 2013-07-25 2016-05-05 Yazaki Corporation Shunt resistance type current sensor

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