FR2881276A1 - Battery current measuring device has magnetic ring surrounding sleeve and embedded in thin plastic layer by arranging opening corresponding to slot for passage of sensor provided in electronic board - Google Patents

Battery current measuring device has magnetic ring surrounding sleeve and embedded in thin plastic layer by arranging opening corresponding to slot for passage of sensor provided in electronic board Download PDF

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Publication number
FR2881276A1
FR2881276A1 FR0500714A FR0500714A FR2881276A1 FR 2881276 A1 FR2881276 A1 FR 2881276A1 FR 0500714 A FR0500714 A FR 0500714A FR 0500714 A FR0500714 A FR 0500714A FR 2881276 A1 FR2881276 A1 FR 2881276A1
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FR
France
Prior art keywords
sleeve
slot
battery
embedded
magnetic ring
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.)
Granted
Application number
FR0500714A
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French (fr)
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FR2881276B1 (en
Inventor
Yves Lebreton
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.)
Leoni Wiring Systems France SAS
Original Assignee
Valeo Electronique et Systemes de Liaison SA
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 Electronique et Systemes de Liaison SA filed Critical Valeo Electronique et Systemes de Liaison SA
Priority to FR0500714A priority Critical patent/FR2881276B1/en
Publication of FR2881276A1 publication Critical patent/FR2881276A1/en
Application granted granted Critical
Publication of FR2881276B1 publication Critical patent/FR2881276B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/207—Constructional details independent of the type of device used
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/561—Hollow metallic terminals, e.g. terminal bushings
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

The device has a sleeve (8) traversed by a stud connected to a terminal of a battery. An electronic board (6) traversed by the sleeve and connected to a computer, has a sensor (10) passing through a slot arranged in a magnetic ring surrounding the sleeve. The sleeve, boar and ring are housed in a box. The ring is embedded in a thin plastic layer (4) by arranging an opening (5) corresponding to the slot for passage of the sensor.

Description

La présente invention se rapporte à un dispositif de mesure par inductionThe present invention relates to an inductive measuring device

du courant d'une batterie.the current of a battery.

L'invention vise des dispositifs comprenant un manchon bon conducteur de l'électricité destiné à recevoir un axe relié à la borne d'une batterie, une carte électronique comportant un capteur et destinée à être reliée à un calculateur et un anneau magnétique entourant le manchon et posé sur la carte électronique et dans lequel est pratiquée une fente à travers laquelle s'étend le capteur.  The invention is directed to devices comprising a good electrically conductive sleeve intended to receive an axis connected to the terminal of a battery, an electronic card comprising a sensor and intended to be connected to a computer and a magnetic ring surrounding the sleeve. and placed on the electronic card and in which is practiced a slot through which the sensor extends.

Dans un tel dispositif, on a toujours une certaine difficulté, au cours de la fabrication, à positionner convenablement l'anneau magnétique.  In such a device, there is always some difficulty, during manufacture, to properly position the magnetic ring.

L'un des buts de l'invention est de remédier à cet inconvénient.  One of the aims of the invention is to remedy this drawback.

Le dispositif de mesure du courant d'une batterie, selon l'invention, est du type comprenant un manchon destiné à être traversé par un goujon relié à la borne d'une batterie, une carte électronique traversée par le manchon et pourvue d'un capteur et destinée à être reliée à un calculateur, un anneau magnétique entourant le manchon présentant une fente à travers laquelle est disposé le capteur, l'ensemble étant logé dans un boîtier, ledit dispositif étant caractérisé en ce que l'anneau est noyé dans une épaisseur de matière plastique en ménageant une ouverture au droit de la fente pour le passage du capteur.  The device for measuring the current of a battery, according to the invention, is of the type comprising a sleeve intended to be traversed by a stud connected to the terminal of a battery, an electronic card crossed by the sleeve and provided with a sensor and intended to be connected to a computer, a magnetic ring surrounding the sleeve having a slot through which the sensor is arranged, the assembly being housed in a housing, said device being characterized in that the ring is embedded in a thickness of plastic material by providing an opening to the right of the slot for the passage of the sensor.

Suivant une caractéristique de détail, l'épaisseur de matière plastique affecte une forme circulaire.  According to a detail characteristic, the thickness of plastic material affects a circular shape.

Suivant une variante de réalisation, l'épaisseur 5 de matière plastique affecte la forme d'un élément de boîtier.  According to an alternative embodiment, the thickness of plastic material 5 affects the shape of a housing element.

Suivant encore une autre caractéristique, le boîtier est réalisé par surmoulage de l'ensemble.  According to yet another feature, the housing is made by overmolding the assembly.

Dans le cas où l'épaisseur de matière plastique dans laquelle est noyée l'anneau magnétique affecte la forme d'un élément de boîtier, ce dernier est fermé par un couvercle.  In the case where the thickness of plastic material in which the magnetic ring is embedded affects the shape of a housing member, the latter is closed by a cover.

Enfin, suivant une dernière caractéristique, le manchon présente un collet contre lequel porte la carte électronique, celle-ci étant maintenue par une rondelle contre laquelle porte une bague élastique fendue insérée dans une gorge du manchon.  Finally, according to a last feature, the sleeve has a collar against which the electronic card, which is held by a washer against which a slotted elastic ring inserted in a groove of the sleeve.

L'invention va maintenant être décrite avec plus de détails en se référant à des modes de réalisation particuliers donnés à titre d'exemple seulement et représentés au dessins annexés.  The invention will now be described in more detail with reference to particular embodiments given by way of example only and represented in the accompanying drawings.

Figure 1 à figure 6 montrent les différentes phases de fabrication d'un dispositif, selon l'invention.  Figure 1 to Figure 6 show the different phases of manufacture of a device according to the invention.

Figures 7 et 8 montrent le montage sur une batterie du dispositif suivant les deux modes de réalisation.  Figures 7 and 8 show the mounting on a battery of the device according to the two embodiments.

Figure 9 montre en perspective éclatée une va-riante de réalisation de l'invention.  Figure 9 shows in exploded perspective a va-laughing embodiment of the invention.

Figures 10 et 11 montrent en perspective partiellement en coupe le dispositif de la figure 9.  Figures 10 and 11 show in perspective partially in section the device of Figure 9.

Le dispositif des figures 1 à 6 comporte un anneau magnétique 1 présentant une fente 2 dont l'écartement des lèvres est maintenu par une entretoise 3.  The device of FIGS. 1 to 6 comprises a magnetic ring 1 having a slot 2 whose spacing of the lips is maintained by a spacer 3.

Sur l'anneau 1 est surmoulée une épaisseur circulaire de matière plastique 4 (figure 2) ménageant une ouverture 5 au droit de la fente 2.  On the ring 1 is overmolded a circular thickness of plastic material 4 (Figure 2) providing an opening 5 to the right of the slot 2.

Sur une carte électronique 6 percée d'un trou cen- tral 7 est disposé un manchon 8 engagé dans le trou 7 et présentant, en un point intermédiaire de sa longueur, un collet 9 portant contre une face de la carte 6.  On an electronic card 6 pierced with a central hole 7 is disposed a sleeve 8 engaged in the hole 7 and having, at an intermediate point of its length, a collar 9 bearing against one face of the card 6.

La carte 6 est pourvue d'un capteur 10 destiné à 25 s'insérer dans la fente 2.  Card 6 is provided with a sensor 10 for insertion into slot 2.

La carte est destinée à être reliée à un calculateur et comporte une série de conducteurs 12 prévus à cet effet.  The card is intended to be connected to a computer and comprises a series of conductors 12 provided for this purpose.

L'ensemble est noyé dans une épaisseur de matière plastique pour former un boîtier 14.  The assembly is embedded in a thickness of plastic material to form a housing 14.

Comme on le voit aux figures 7 et 8, le boîtier ainsi réalisé est destiné à être monté sur un goujon fileté 15 traversant le manchon 8 et relié par une bride 16 à la borne 17 d'une batterie 18.  As seen in FIGS. 7 and 8, the housing thus produced is intended to be mounted on a threaded stud 15 passing through the sleeve 8 and connected by a flange 16 to the terminal 17 of a battery 18.

Sur le filetage du goujon 15 est vissé un écrou 20 coopérant avec le manchon 8 avec interposition d'une cosse 21 sur laquelle est monté un conducteur (non représenté).  On the thread of the stud 15 is screwed a nut 20 cooperating with the sleeve 8 with the interposition of a lug 21 on which is mounted a conductor (not shown).

Aux figures 9 à 11, on a représenté une variante de réalisation dans laquelle l'anneau magnétique 25 est directement noyé dans une épaisseur de matière plastique qui constitue un élément de boîtier 26.  FIGS. 9 to 11 show an alternative embodiment in which the magnetic ring 25 is directly embedded in a thickness of plastic material which constitutes a housing element 26.

Lors de ce moulage, on inclut un manchon 27 pré-sentant un collet 28 et une rainure 29.  During this molding, a sleeve 27 having a collar 28 and a groove 29 is included.

L'anneau 25 présente une fente 30 et, lors du moulage, on ménage, au droit de ladite fente 30, dont la largeur est maintenue par une entretoise 31, une ouverture 32.  The ring 25 has a slot 30 and, during the molding, is kept, right of said slot 30, the width is maintained by a spacer 31, an opening 32.

Dans l'élément de boîtier 26, ainsi réalisé, on place une carte électronique 35 qui présente un trou central 36 destiné à être traversé par le manchon 27, ladite carte présentant un capteur (37) destiné à traverser l'ouverture 32 et à s'insérer dans la fente 31.  In the housing element 26, thus produced, is placed an electronic card 35 which has a central hole 36 to be traversed by the sleeve 27, said card having a sensor (37) for passing through the opening 32 and s insert into the slot 31.

La carte 35 est maintenue par une rondelle 38 sur laquelle est appliquée une bague élastique fendue 39 insérée dans la rainure 29.  The card 35 is held by a washer 38 on which is applied a split elastic ring 39 inserted in the groove 29.

On peut, ensuite, procéder à un surmoulage pour noyer l'intérieur de l'élément de boîtier 26, ou poser un couvercle 40 qui est soudé, collé, engagé à force ou ver-rouillé avec des organes correspondants.  It can then be overmolded to embed the inside of the housing member 26, or to install a cover 40 which is welded, glued, engaged by force or ver-rusted with corresponding members.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation qui viennent d'être décrits et représentés. On pourra y apporter de nombreuses modifications de détail sans sortir pour cela du cadre de l'invention.  Of course, the invention is not limited to the embodiments that have just been described and shown. It will be possible to make many changes in detail without departing from the scope of the invention.

15 20 2515 20 25

Claims (2)

6 REVENDICATIONS6 claims 1. Dispositif de mesure du courant d'une batterie du type comprenant un manchon (8) destiné à être traversé par un goujon fileté (15) relié à la borne (17) d'une batterie (18), une carte électronique (6) traversée par le manchon (8) et pourvue d'un capteur (10) et destinée à être reliée à un calculateur, un anneau magnétique (1) entourant le manchon et présentant une fente (2) à travers laquelle est disposé le capteur (10), l'ensemble étant logé dans un boîtier, caractérisé en ce que l'anneau (1) est noyé dans une épaisseur de matière plastique (4) ménageant une ouverture (5) au droit de la fente pour le passage du capteur (10).  1. Device for measuring the current of a battery of the type comprising a sleeve (8) intended to be traversed by a threaded stud (15) connected to the terminal (17) of a battery (18), an electronic card (6) ) traversed by the sleeve (8) and provided with a sensor (10) and intended to be connected to a computer, a magnetic ring (1) surrounding the sleeve and having a slot (2) through which the sensor ( 10), the assembly being housed in a housing, characterized in that the ring (1) is embedded in a thickness of plastic material (4) forming an opening (5) in line with the slot for the passage of the sensor ( 10). 2. Dispositif de mesure du courant d'une batterie, selon la revendication 1, caractérisé en ce que l'épaisseur de matière plastique affecte une forme circulaire.  2. Device for measuring the current of a battery, according to claim 1, characterized in that the thickness of plastic material affects a circular shape. 3. Dispositif de mesure du courant d'une batterie, selon la revendication 1, caractérisé en ce que l'épaisseur de matière plastique affecte la forme d'un élément de boîtier (26).  Battery current measuring device according to claim 1, characterized in that the thickness of plastic material is in the form of a housing element (26). 4. Dispositif de mesure du courant d'une batterie, selon la revendication 1, caractérisé en ce que le boîtier est réalisé par surmoulage de l'ensemble.  4. Device for measuring the current of a battery, according to claim 1, characterized in that the housing is made by overmolding the assembly. 5. Dispositif de mesure du courant d'une batterie, 30 selon les revendications 1 et 3, caractérisé en ce que l'élément de boîtier (26) est fermé par un couvercle.  5. Device for measuring the current of a battery according to claims 1 and 3, characterized in that the housing element (26) is closed by a cover. 6. Dispositif de mesure du courant d'une batterie, selon les revendications 1, 3 et 5, caractérisé en ce que le manchon (27) présente un collet (28) contre lequel porte la carte électronique, celle-ci étant maintenue par une rondelle (38) contre laquelle porte une bague élastique fendue (39) insérée dans une gorge (29) du manchon (27).  6. Device for measuring the current of a battery, according to claims 1, 3 and 5, characterized in that the sleeve (27) has a collar (28) against which the electronic card bears, the latter being held by a washer (38) against which a resilient split ring (39) is inserted into a groove (29) of the sleeve (27). 15 20 2515 20 25
FR0500714A 2005-01-24 2005-01-24 DEVICE FOR MEASURING THE CURRENT OF A BATTERY Expired - Fee Related FR2881276B1 (en)

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FR0500714A FR2881276B1 (en) 2005-01-24 2005-01-24 DEVICE FOR MEASURING THE CURRENT OF A BATTERY

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FR0500714A FR2881276B1 (en) 2005-01-24 2005-01-24 DEVICE FOR MEASURING THE CURRENT OF A BATTERY

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920914A1 (en) * 2007-09-11 2009-03-13 Electricfil Automotive Soc Par Battery characteristics e.g. starter battery voltage, measuring device for motor vehicle, has fixation system for fixing measurement block and cable on connector, where tongue and console of block are assembled on pin by nut screwed on pin
EP2434583A1 (en) * 2010-09-28 2012-03-28 Liaisons Electroniques-Mecaniques Lem S.A. Battery current sensor
EP2527848A1 (en) * 2011-05-26 2012-11-28 Socomec S.A. Device for mounting at least one electric current conductor in an electric current sensor and current sensor equipped with such a mounting device
WO2013139547A1 (en) * 2012-03-22 2013-09-26 Robert Bosch Gmbh Electronic battery sensor
WO2014005665A1 (en) * 2012-07-05 2014-01-09 Ellenberger & Poensgen Gmbh Sensor module for detecting arcs in vehicles
WO2018019501A1 (en) * 2016-07-27 2018-02-01 Zf Friedrichshafen Ag Spacer for electrically insulating an energizable connection bolt of an annular current sensor
CN115061055A (en) * 2022-08-18 2022-09-16 深圳市睿智通科技有限公司 Lithium ion battery operating condition monitoring comprehensive experiment equipment for new energy storage

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920914A1 (en) * 2007-09-11 2009-03-13 Electricfil Automotive Soc Par Battery characteristics e.g. starter battery voltage, measuring device for motor vehicle, has fixation system for fixing measurement block and cable on connector, where tongue and console of block are assembled on pin by nut screwed on pin
EP2434583A1 (en) * 2010-09-28 2012-03-28 Liaisons Electroniques-Mecaniques Lem S.A. Battery current sensor
WO2012042457A1 (en) * 2010-09-28 2012-04-05 Liaisons Electroniques-Mecaniques Lem S.A. Battery current sensor
US9535130B2 (en) 2010-09-28 2017-01-03 Lem Intellectual Property Sa Battery current sensor having a magnetic field sensor
EP2527848A1 (en) * 2011-05-26 2012-11-28 Socomec S.A. Device for mounting at least one electric current conductor in an electric current sensor and current sensor equipped with such a mounting device
FR2975780A1 (en) * 2011-05-26 2012-11-30 Socomec Sa DEVICE FOR MOUNTING AT LEAST ONE ELECTRIC CURRENT CONDUCTOR IN AN ELECTRIC CURRENT SENSOR
WO2013139547A1 (en) * 2012-03-22 2013-09-26 Robert Bosch Gmbh Electronic battery sensor
WO2014005665A1 (en) * 2012-07-05 2014-01-09 Ellenberger & Poensgen Gmbh Sensor module for detecting arcs in vehicles
WO2018019501A1 (en) * 2016-07-27 2018-02-01 Zf Friedrichshafen Ag Spacer for electrically insulating an energizable connection bolt of an annular current sensor
CN115061055A (en) * 2022-08-18 2022-09-16 深圳市睿智通科技有限公司 Lithium ion battery operating condition monitoring comprehensive experiment equipment for new energy storage
CN115061055B (en) * 2022-08-18 2022-11-15 深圳市睿智通科技有限公司 Lithium ion battery operating condition monitoring comprehensive experiment equipment for new forms of energy storage

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