WO2013037552A1 - Résistance de mesure pour capteur de courant et unité capteur de courant - Google Patents

Résistance de mesure pour capteur de courant et unité capteur de courant Download PDF

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Publication number
WO2013037552A1
WO2013037552A1 PCT/EP2012/064506 EP2012064506W WO2013037552A1 WO 2013037552 A1 WO2013037552 A1 WO 2013037552A1 EP 2012064506 W EP2012064506 W EP 2012064506W WO 2013037552 A1 WO2013037552 A1 WO 2013037552A1
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WO
WIPO (PCT)
Prior art keywords
measuring resistor
circuit board
printed circuit
current sensor
measuring
Prior art date
Application number
PCT/EP2012/064506
Other languages
German (de)
English (en)
Inventor
Matthias Dollansky
Jacek Mendes
Markus PROBA
Michael Mueller
Achim ANSEL
Chris Schimmel
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013037552A1 publication Critical patent/WO2013037552A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/12—Arrangements of current collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/148—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals embracing or surrounding the resistive element
    • 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

Definitions

  • Measuring resistor for current sensor and current sensor unit The present invention relates to a measuring resistor for a current sensor and to a current sensor unit having a measuring resistor according to the invention.
  • DE 10 2004/046855 B3 discloses a battery pole terminal arrangement which comprises a pole terminal with a fastening region.
  • a measuring resistor for a battery sensor is attached to the mounting area of the pole terminal by means of a fastening element.
  • the fastening element consists of a bolt passing through the fastening area and an insulating sleeve comprising the bolt.
  • a battery pole terminal arrangement in the form of an intelligent terminal device in which the measuring resistor is integrated in the connection device, so that the two elements are configured in one piece.
  • a motor vehicle electrical system sensor device for detecting the current, the voltage and / or the temperature within an electrical system of a motor vehicle is described in document EP 1 644 749 B1 and comprises two connecting pieces connected to current-carrying lines within the vehicle electrical system and connected to a measuring resistor.
  • at least one connection piece has a key area for receiving an outlet. value electronics.
  • the measuring resistor is formed substantially rotationally symmetrical and arranged between the connecting pieces.
  • the document EP 1 807 708 B1 describes a battery current sensor for a motor vehicle which comprises a measuring sensor inserted into the battery circuit and a measuring circuit connected to the measuring sensor, wherein parts of the measuring circuit arrangement are arranged on a circuit carrier which is electrically fixed to the measuring sensor via resilient connecting means mechanically connected. Due to resilient properties of the connecting means thermal changes in length of the measuring sensor can be compensated in the transverse direction.
  • the measuring resistor By providing at least one region of the measuring resistor, which has a contacting element designed as a depression, the measuring resistor can be connected in a particularly simple and reliable manner to at least one contact.
  • a printed circuit board no longer has to be soldered directly to the measuring resistor, but can be connected to the measuring resistor in a particularly simple manner, for example by means of press-fit contacts.
  • the contacting element is designed as a bore or recess. These recesses can be attached to the measuring resistor in a particularly simple manner and are suitable for a position-defined
  • the contacts in the recesses by soldering, welding (for example, laser welding) or other thermal joining methods are attached. It is also expedient to design the contacting element as a groove or slot. Then the effort for a more accurate alignment of the measurement Stands are reduced for the connection of the contact in the context of the manufacturing process.
  • the measuring resistor has a sealing surface, wherein the sealing surface is arranged between the middle section and one of the end sections.
  • a minimum distance of a sealing surface from a central axis is greater than a maximum distance of the central portion and / or one of the end portions from the central axis.
  • the contacting element is integrally formed in the region of the sealing surface.
  • the contacts can be accommodated protected because the sealing surface acting as a stop ensures that other fasteners do not damage the contacts mechanically.
  • the protective housing in which the printed circuit board and / or the chip is arranged, wherein the protective housing is connected to the measuring resistor and surrounds the recess and the contact.
  • the measuring resistor is preferably formed substantially bolt-shaped, wherein at least a central portion of the measuring resistor consists of a suitable resistance material. At least one end portion of two opposite end portions of the measuring resistor has a fixing means.
  • a fastener for example, a thread or a conventional rivet for a cylindrical shape is suitable.
  • the measuring resistor for a current sensor or the current sensor unit is connected directly to a battery terminal and / or with a battery cable.
  • the measuring resistor itself serves as a fastening means by means of a suitable design, via which the battery cable is connected to the battery terminal.
  • the measuring resistor can be configured in particular bolt-shaped. This bolt-shaped configuration gives the measuring resistor a significantly higher degree of stability than is the case with the measuring resistors, which are often made flat in the state of the art. Thus, no further supporting or stabilizing structures for the measuring resistor are needed.
  • a thread on at least one end portion of the substantially bolt-shaped Measuring resistance this can be attached directly to a designated opening of a pole terminal, for example. By screwing in a threaded opening or by securing with a locknut.
  • the measuring resistor provided according to the invention is therefore sufficiently stable and torsion-resistant to be attached directly to the battery pole terminal without further auxiliary or support structures.
  • the measuring resistor can in one piece consist of a given material, which is a suitable resistance material known per se in the art, such as, for example, manganin.
  • the measuring resistor may also consist of several parts, wherein the middle part consists of a suitable resistance material and the two end portions of an electrically conductive material, such as. Copper.
  • the fastening means of the measuring resistor preferably also consists of a suitable resistance material, an even more compact construction is achieved.
  • a one-piece design of the measuring resistor of the manufacturing process can be simplified, since now can be dispensed with welding of the existing of a different material such as copper connector. This further increases the reliability of the manufacturing process.
  • a printed circuit board on which the necessary current measuring circuit is located can also be attached directly to the measuring resistor.
  • the printed circuit board can be soldered or welded directly to contact surfaces of the measuring resistor with contacts provided for this purpose.
  • the substantially bolt-shaped measuring resistor can for this purpose have at least one flat.
  • the measuring resistor may have projecting contact elements for contacting the printed circuit board.
  • the projecting contacting elements can, for example, be considered substantially perpendicular to the bolt be formed longitudinal axis projecting contact springs.
  • an embodiment of the contacting as an extending parallel to the bolt longitudinal axis slot offers.
  • the described measuring resistor and / or the described battery pole terminal arrangement can or can be used in control devices, sensors or other electronic devices with so-called shunt interfaces and thus interfaces for measuring resistors.
  • One possible application may be in an electronic current sensor, in particular for detecting a battery current, usually for a motor vehicle, may be provided.
  • the measuring resistor is connected via contact elements with a measuring circuit, which is integrated on the circuit board.
  • a control unit of the vehicle electrical system may control functions that depend on a state of the battery. Such functions include, for example, a shutdown of the internal combustion engine of the motor vehicle at a stop at a traffic light.
  • the measuring resistor as well as the printed circuit board associated therewith are encapsulated to provide a casing with a plastic, for example a thermoplastic or duroplastic. Furthermore, the measuring resistor and the printed circuit board can be additionally sealed with a potting compound.
  • Figure 3 shows a first embodiment of a current sensor unit with the
  • FIG. 4 shows a second embodiment of a current sensor unit with battery pole terminal and a measuring resistor according to FIG. 2.
  • FIG. 5 shows the battery pole terminal arrangement of FIG. 4 in an exploded view.
  • FIG. 6 shows an arrangement with a third embodiment of a measuring resistor according to the invention.
  • FIG. 7 shows the arrangement of FIG. 6 in an exploded view.
  • Figure 8 shows an exploded arrangement similar to the arrangement of Figure 6 with a fourth embodiment of a measuring resistor according to the invention.
  • Figure 9 shows the arrangement of Figure 8 in plan view in an assembled form.
  • FIG. 10 shows a further embodiment of a current sensor unit according to the invention in an exploded view.
  • Figure 1 1 shows the partially assembled current sensor unit of Figure 10 in side view.
  • FIG. 12 shows a further embodiment of a battery pole terminal arrangement according to the invention.
  • FIG. 13 shows the battery pole terminal arrangement of FIG. 12 in a side view.
  • Figure 14 shows a schematic representation of a fifth embodiment of a measuring resistor according to the invention from different perspectives and a sixth embodiment of a Batteriepolklemmenan expect.
  • Figure 15 shows a schematic representation of a sixth embodiment of a measuring resistor according to the invention from different perspectives.
  • Figure 16 shows a seventh embodiment of a measuring resistor according to the invention and a seventh embodiment of a Batteriepolklemmenan extract in a schematic representation.
  • FIG. 17 shows a schematic illustration of an eighth embodiment of a measuring resistor according to the invention in a schematic representation.
  • Figure 18 shows a ninth embodiment of a measuring resistor according to the invention in a schematic representation.
  • FIG. 19 shows a tenth embodiment of a measuring resistor according to the invention in a schematic representation.
  • FIG. 20 shows a schematic representation of an example of an insulation displacement terminal.
  • FIG. 1 shows a measuring resistor (or also measuring shunt) 100 according to the invention for a battery pole terminal.
  • the measuring resistor 100 is designed substantially bolt-shaped. It comprises a central portion 120 and two opposite end portions 140, 160 which are connected to the central portion 120 and arranged along a common central longitudinal axis.
  • the middle section 120 consists of a resistance material suitable for the intended measurement tasks, such as manganin.
  • the two end portions 140, 160 are made of an electrically conductive material, such as. Copper.
  • the center section 120 and the two end sections 140, 160 are joined together by soldering, welding or another equivalent method of attachment.
  • plug receptacles for the middle section 120 may be provided in the two end sections 140, 160, into which the latter is inserted for connection of the elements and then soldered, welded or the like.
  • the end sections 140, 160 may have - as shown in the exemplary embodiment - sealing surfaces 170, which may also be referred to as stops.
  • the two end sections 140, 160 each have a thread 18.
  • the measuring resistor 100 can also be made in one piece from a suitable resistance material.
  • the middle section 120, the end sections 140, 160 and the sealing surfaces 170 are made of the same material and, as a measuring resistor 100, form a compact, one-piece structural unit.
  • the central portion 120 of the measuring resistor 100 shown in Figure 1 is formed substantially square shape with rounded corners. To form a transition between the central portion and the threaded bolt ends of the two end portions 140, 160 are facing to the central portion 120
  • Regions of the end portions 140, 160 formed in accordance with square shape.
  • the transition between the circular pin cross section and the square cross section is represented by a sealing surface 170.
  • the measuring resistor 100 is formed to a main central axis substantially mirror-symmetrical. Due to the design according to the invention, the possibility of flexible mounting is given with the described measuring resistor, as will become more apparent in connection with subsequent figures.
  • Figure 2 shows another embodiment of a measuring resistor 101 according to the invention with a central portion 121 and end portions 141, 161, each having a thread 18 and a sealing surface 171 as a stop.
  • the middle section 121 of the measuring resistor 101 of FIG. 2 has one substantially a circular cross-section with a flattening 131 on (the central portion 120 of the measuring resistor 100 of Figure 1, as seen in foursquare configuration, has four flats 130). The presence of such a flattening facilitates soldering with a circuit board 200 (see Figure 3).
  • sealing surfaces 171 of the embodiment of the measuring resistor 101 shown in FIG. 2 have recesses 190.
  • a central portion 120, 121 may have n flats 130, 131 and thus have in cross-section a shape of a regular n-corner, for example of a quadrangle or hexagon.
  • FIG. 3 shows various embodiments of the current sensor unit 1 with a measuring resistor 100 according to the embodiment shown in FIG.
  • the measuring resistor 100 of the current sensor unit 1 is connected to the side of a flat with two contacts 220 of a printed circuit board 200 (for example, by soldering).
  • the printed circuit board 200 has a chip 24. Via two further contacts 26, a plug 30 is connected to the printed circuit board 200.
  • the printed circuit board 200 and at least the middle section 120 of the measuring resistor 100 are surrounded by a protective housing 28.
  • the protective housing 28 may be a removable housing of suitable protective material, such as rubber.
  • the protective housing 28 can also be a solid-encased housing.
  • the protective housing 28 bears against the surfaces of the sealing surfaces 170 which are oriented in the direction of the middle section 120.
  • the mating surfaces also assume a sealing function between the battery or battery cable and the protective housing 28. This also applies mutatis mutandis to the other embodiments and the geometries of the sealing surfaces 170 shown there.
  • FIGS. 4 and 5 show a Batteriepolklemmenan Aunt 2 with a measuring resistor 101 according to the embodiment shown in Figure 2.
  • the arrangement of FIGS. 4 and 5 substantially corresponds to that of FIG. 3, with additional elements of a battery pole terminal arrangement 2 being shown in addition.
  • FIGS. 4 and 5 illustrate the attachment of the measuring resistor 101 to a battery pole terminal 40, by one of the bolt-shaped end sections 141, 161 of the measuring resistor 101 inserted directly into a designated opening 42 of the Batteriepolklemme 40 and is countered by the opposite side by means of a nut 44 to the sealing surface 171 as a stop.
  • the fastening means of the measuring resistor 101 are designed for direct mechanical fastening of the battery pole terminal 40 via the measuring resistor 101 with a battery cable that can be connected to a cable lug 32.
  • the measuring resistor 101 thus assumes the direct mechanical and electrical connection between battery terminal 40 and battery cable by the described embodiment.
  • corresponding fastening means such as threads 18, sealing surfaces 171 or outer contours are provided in the measuring resistor 101 in order to enter into screwed, riveted or other suitable connections with the battery pole terminal 40 and / or battery cable.
  • FIGS. 4 and 5 show a third embodiment of a current sensor unit
  • the measuring resistor 102 has, in a region between the threads 18, for example in the region of a central portion 122, between mating surfaces 172 two contacting elements for contacting the printed circuit board 200.
  • the contacting elements are designed as contact springs 50, which are substantially perpendicular to the central longitudinal axis of the bolt-shaped
  • Protrude measuring resistor 102 On the associated printed circuit board 200 are two Contacts 221 designed as contact rails are provided, which protrude beyond the printed circuit board 200 and can be brought into contact with them by applying to the contact springs 50 (compare FIG. 6) and can be permanently connected by means of soldering, welding or other connecting methods.
  • FIGS. 8 and 9 show an analog battery pole terminal arrangement 4 with a measuring resistor 103, which as a contacting element has a slot extending parallel to the bolt longitudinal axis along the middle section 123.
  • the printed circuit board 201 has a corresponding extension with contacts 222 arranged thereon.
  • the extension 21 of the printed circuit board 201 is designed in such a way that it can be plugged like a card into a contacting element of the measuring resistor 103 designed as a slot 52 for contacting.
  • a fifth embodiment of a current sensor unit 5 is shown in FIGS. 10 and 11.
  • This current sensor unit 5 comprises a measuring resistor 102 according to the embodiment shown in FIGS. 6 and 7, i. H. a measuring resistor 102 with substantially perpendicular to the bolt longitudinal axis projecting, formed as a contact springs 50 contacting.
  • the contact springs 50 are not soldered to over the circuit board 200 protruding designed as contact rails contacts 221, but clamped by means of clamping elements 54 of conductive material directly to the circuit board 202.
  • holes 23 may be provided in the conductor tracks forming the contacts 223 of the printed circuit board 202, which holes are provided for engagement of pin-like formations 55 on the inner sides of the clamping elements 54.
  • FIGS. 12 and 13 show a possible development of the battery pole terminal arrangement 3 of FIGS. 6 and 7.
  • a stiffening rail 25 is provided for stiffening the connection between the measuring resistor and the printed circuit board Printed circuit board 200 as well as on the measuring resistor is firmly applied, for example. By laser welding. As a result, the contact connection between the contact springs 50 and the contact rails 221 is relieved of stress and increases the stability of the connection. This can be done, for example, in applications that are exposed to higher loads (eg in off-road operation).
  • the invention provides a measuring resistor 100 that can be used simply and flexibly.
  • the measuring resistor 100, 101, 102, 103 for battery pole terminal applications.
  • the measuring resistor 100, 101, 102, 103 can be used in any construction direction, the cable lug can be attached to each side of the assembly.
  • the arrangement of measuring resistor 100, 101, 102, 103 and printed circuit board (the so-called electronic battery sensor EBS) can be pre-assembled independently of the battery terminal 40.
  • a connection of the EBS to the battery pole terminal 40 is made by inserting the bolt-shaped end of the measuring resistor 100, 101, 102, 103 and screwing, so that it is a detachable connection. Since there is only one connection point, an otherwise expensive in the prior art electrical insulation can be omitted.
  • the measuring resistor 100, 101, 102, 103 with directly connected printed circuit board forms a compact and in itself sufficiently stable unit, so that external stiffeners can be omitted.
  • the measuring resistor 100, 101, 102, 103 for the battery pole terminal 40 is formed substantially bolt-shaped, wherein at least one central portion 120, 121, 122, 123 of the substantially bolt-shaped measuring resistor 100, 101,
  • 102, 103 consists of a suitable resistance material. At least one end portion 140, 141, 160, 161 has a thread 18. Accordingly, opposing end portions 140, 160, 141, 161 of the substantially bolt-shaped measuring resistor 100, 101, 102, 103 may each have a thread 18 in an embodiment of the invention. Furthermore, the measuring resistor 100, 101, 102, 103 in the region of the central portion 120, 121, 122, 123 at least one flattening 130, 131 and thus have a polygonal shape.
  • the measuring resistor 100, 101, 102, 103 is formed in one piece and consists of a suitable resistance material.
  • the central portion 120, 121, 122, 123 of the measuring resistor 100, 101, 102, 103 may be formed of a suitable resistance material, wherein its end portions 140, 160, 141, 161 are made of electrically conductive material.
  • the region of the measuring resistor 100, 101, 102, 103 between the threads 18 may have at least one contact element for contacting a printed circuit board. It is possible that the contacting elements are designed as substantially perpendicular to the bolt longitudinal axis projecting contact springs 50. Alternatively, the contacting element may be formed as a slot 52 extending parallel to the bolt longitudinal axis.
  • the battery pole terminal arrangement 1, 2, 3, 4, 5 comprises a battery pole terminal 40 and a measuring resistor 100, 101, 102, 103 mounted in an opening provided for the battery pole terminal 40. Furthermore, the battery pole terminal arrangement 1, 2, 3, 4, 5 can be used directly comprising printed circuit board 200, 201, 202 connected to measuring resistor 100, 101, 102, 103.
  • the fifth embodiment of the measuring resistor 104 shown in FIG. 14 from various perspectives is formed integrally from a heat-resistant material and comprises a cross-sectionally round middle section 124 which is arranged between two end sections 144, 164, each having a thread 18.
  • Figure 14a shows the measuring resistor 104 in plan view.
  • FIG. 14b shows the measuring resistor 104 in a sectional view through one of two sealing elements 174, FIG. 14c from a side, axially oriented view and FIG. 14d from a spatially rotated perspective.
  • a central axis 400 of the measuring resistor 104 is indicated in FIGS. 14a and 14d.
  • the end portions 144, 164 designed as stops sealing surfaces 174, wherein depending on the definition of a division of the individual components of the measuring resistor 104 may be provided that the central portion 124 is separated by the sealing surfaces 174 of the end portions 144, 164. If it should be provided in a further embodiment, at least to overmold the central portion 124 with plastic, it is inserted between the two sealing surfaces 174 and / or apply.
  • the sealing surfaces 174 have larger radii than the central portion 124 and the end portions 144, 164.
  • the middle section has at least one flattening. In this case, the radius, usually a minimum distance of an outer wall of a respective sealing surface 174 from the central axis 400, is greater than the distance of an edge of the flat from the central axis 400.
  • the sealing surfaces 174 have depressions 300 formed as pockets, via which the measuring resistor 104 can be connected to contacts of a printed circuit board.
  • the contacts of the printed circuit board which can also be referred to as pins, are pressed into the recesses 300 and welded, for example via a laser welding process.
  • solder contacts of the printed circuit board which are arranged in the depressions 300, usually pressed in, with the depressions 300.
  • the recesses 300 are formed here by punctures in the sealing surfaces 174, but can also be formed in the sealing surfaces 174 via other material-removing measures, for example. Drilling. Since the measuring resistor 104 is formed in one piece, it can assume a supporting function for a housing in which the printed circuit board is arranged.
  • the sixth embodiment of a battery pole terminal arrangement 6 shown in FIG. 14 e comprises the fifth embodiment of the measuring resistor 104 and a battery pole terminal 40.
  • one of the two end sections 144, 164 is to be pushed through an opening of the battery pole terminal 40.
  • a nut 44 is screwed onto the thread 18 of the end section 144, 164, thus provided between the measuring resistor 104 and the battery terminal 40.
  • the sixth embodiment of the measuring resistor 105 shown in FIG. 15 from various perspectives comprises, similar to the embodiments described above, a cylindrically shaped middle section 125 which is arranged between two end sections 145, 165, which each have a thread 18.
  • a sealing surface 175 is provided and / or arranged in transition areas between the middle section 125 and the two end sections 145, 165, each having a larger radius than the one
  • Central portion 175 or one of the two end portions 145, 165 has. Regardless of a shape of an outer wall of the sealing surface 175, the middle portion 125 and the end portions 145, 165, a minimum distance of the outer wall of each sealing surface 175 from a central axis 401 of the measuring resistor 105 is greater than a maximum distance of an outer wall of the central portion 125 or the end portions 145, 165 from the central axis 401.
  • the measuring resistor 105 shown in Figure 15 is also made of a resistive material, for example. Manganin, integrally formed.
  • Figure 15a shows the measuring resistor 105 in plan view.
  • FIG. 15b shows the measuring resistor 105 in a sectional view through one of the sealing elements 175, FIG. 15c from a side, axially oriented view and FIG. 15d from a spatially rotated perspective.
  • the sealing surfaces 175, which also serve as stops for connecting the magnetoresistor 105 to a battery pole terminal, have depressions 301 formed as bores, into which contacts of a printed circuit board can be pressed.
  • the already arranged in the recesses 301 contacts can be soldered or welded.
  • FIG. 16 schematically illustrates the seventh embodiment of the measuring resistor 106 with a central axis 402 from different perspectives.
  • 16a shows a sectional view through a sealing surface 176
  • FIG. 16c shows a side view
  • FIG. 16d shows a sectional view transverse to a longitudinal axis of the measuring resistor 106
  • FIG. gur 16e from a side inclined view.
  • Fig. 16f the fifth embodiment of the battery pole terminal assembly 5 is shown.
  • a central section 126 which is round in cross-section and thus cylindrical, is arranged between two end sections 146, 166, the measuring resistor 106 having the sealing surfaces 176 in each case at one of the two end sections 146, 166 in a transition region of the central section 126 the depressions 302 formed here as pockets are formed to provide a connection with contacts of a printed circuit board.
  • the second end section 166 depicted on the right in FIG. 16, on the other hand, comprises a cylindrical wall 60 which encloses an opening 61, for example, formed as a bore, whose
  • Radius is at least half as large as an outer radius of the cylindrical wall 60 of the end portion 166.
  • the end section 166 and thus the cylindrical wall 60 which has a smooth surface, are to be inserted into an opening in the battery pole terminal 40.
  • An attachment of the measuring resistor 106 to the battery pole terminal 40 is carried out by deformation of the cylindrical wall 60 of the end portion 166.
  • the measuring resistor 106 since the measuring resistor 106 only has one thread at one of its end sections 146 and the cylindrical wall 60 at the other of the two end sections 166, it is possible to connect the measuring resistor 106 to the battery pole terminal 40 without a screw connection, such as this for example in
  • the depressions 300, 301, 302 described on the basis of FIGS. 14, 15, 16 are usually designed as holes and are provided as contacting elements for connecting the measuring resistor 104, 105, 106 with contacts and thus terminals of a printed circuit board.
  • the eighth embodiment of the measuring resistor 107 according to the invention is shown schematically in FIG. 17a from a first perspective and in FIG. 17b from a second perspective.
  • This measuring resistor 107 with a central axis 407 comprises a central portion 127, two opposite end portions 147, 167 and two sealing surfaces 177, wherein each such sealing surface 177 between the central portion 127 and one of the two end portions 147, 167 is arranged.
  • each center section 177 here has a depression 307 designed as a bore or a press-fitted hole, which is designed as a contacting element for a contact 227, wherein the measuring resistor 107 is connected in total via two contacting elements formed as recesses 307 to two contacts 227 of a printed circuit board 207 , By the position of in the wells
  • a total measuring range 801 is defined along which an electrical resistance of the measuring resistor 107 can be measured.
  • the measuring resistor 107, the circuit board 207 and the two contacts 227, via which the measuring resistor 107 is connected to the circuit board 207 are arranged in a housing 287, which usually consists of a plastic and by encapsulation of the measuring resistor 107, the circuit board 207 and the contacts 227 is provided.
  • the ninth embodiment of the measuring resistor 108 with a central axis 408 shown diagrammatically in FIG. 18 comprises a middle section 128 which is surrounded by two sealing surfaces 178, wherein a respective sealing surface 178 is arranged between the central section 128 and an end section 148, 178 of the measuring resistor 108.
  • this at each sealing surface 178 as contacting a circumferential, formed as an annular groove recess
  • a measuring range 801 of the measuring resistor 108 is likewise defined here by positions of the contacts 228 of the printed circuit board received in the depressions 308.
  • the tenth embodiment of the measuring resistor 109 is shown schematically in FIG.
  • a central axis 409 has this Measuring resistor 109 a first end portion 149, a first sealing surface 179, a central portion 129, a second sealing surface 179 and a second end portion 169 on.
  • the central portion 129 is disposed between two sealing surfaces 179, wherein in each case a sealing surface 179 between the central portion 129 and one of the two end portions 149, 169 is arranged.
  • each sealing surface 179 here has a recess 309 formed as a slot, which is designed here as a contacting element for receiving a contact 229 of a printed circuit board. It is provided here that a measuring range 801 of the measuring resistor 109 is defined via positions of the two contacts 229 accommodated in the recesses 309.
  • the recess 309 formed as a slot for the tenth embodiment of the measuring resistor 109 is arranged only along an arc of the sealing surface 179, which extends only a few Wnkelgrad in the surface of the sealing surface 179, whereas the groove formed as a groove 308 in the ninth embodiment of the measuring resistor 108 according to the invention is arranged 360 ° circumferentially in the sealing surface 178.
  • the contacts can be connected via different types of fastening with recesses 300, 301, 302, 307, 308, 309 and a circuit board.
  • a connection can be provided by means of welding, soldering, press-fitting or an insulation displacement technique, such a connection being illustrated schematically with reference to FIG. 20, whereby FIG. 20 shows how one end of a contact 227 is fastened in a cutting clamp 900.
  • a measuring range is provided as a measuring bridge.
  • further contacts to the measuring resistor 104, 105, 106, 107, 108, 109 for providing additional information.
  • the provided as terminals end portions 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 have a round outer wall, wherein arranged on at least one outer wall of a measuring resistor 104, 105, 106, 107, 108, 109 a thread.
  • the measuring resistors 104, 105, 106, 107, 108, 109 are usually formed of a resistance material, for example manganin.
  • a resistance material for example manganin.
  • at least one end portion 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 have an external thread or an internal thread or a combination of both types of threads. If an end portion 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 has an internal thread, this can usually also as a hole or hole within the
  • the recesses 300, 301, 302, 307, 308, 309 can be formed as grooves, slots, surfaces or bores, wherein depressions which are usually formed as grooves can be circular, oval, polygonal or n-shaped in cross section.
  • the measuring resistor 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 according to the invention for a battery pole terminal 40 has a substantially bolt-shaped design and has a middle section 120, 121, 122, 123, 124, 125, 126 and two opposite end portions 140, 160; 141, 161; 142, 162; 143, 163; 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 on.
  • At least one region of the measuring resistor 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 has a contacting element designed as a recess 300, 301, 302, 307, 308, 309, via which the measuring resistor 100, 101, 102, 103,
  • the at least one contact element and thus the at least one recess 300, 301, 302, 307, 308, 309 is usually formed as a hole in the measuring resistor 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 and can be designed as a bore, recess, groove or slot.
  • a sealing surface 174, 175, 176, 177 between the central portion 120, 121, 122, 123, 124, 125, 126, 127 and one of the end portions 140, 160 ; 141, 161; 142, 162; 143, 163; 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 is arranged.
  • a minimum distance of an outer wall of a sealing surface 174 is arranged.
  • Middle section 120, 121, 122, 123, 124, 125, 126, 127 and the end sections 140, 160; 141, 161; 142, 162; 143, 163; 144, 164; 145, 165; 146, 166; 147, 167; 148, 168; 149, 169 are round in cross-section, a radius of a sealing surface 174, 175, 176, 177 is greater than a radius of the central portion 120, 121, 122, 123, 124, 125, 126, 127 or an end portion 140, 160; 141, 161;
  • the at least one contacting element can be formed in the region of a sealing surface 174, 175, 176, 177 and thus arranged. At least one contacting element can also be formed in the region of the middle section 120, 121, 122, 123, 124, 125, 126, 127 and thus arranged.
  • the battery pole terminal arrangement 1, 2, 3, 4, 5, 6, 7 has a described measuring resistor 100, 101, 102, 103, 104, 105, 106, 107 as well as a printed circuit board 200, 201, 202, 207 which are connected to one another are.
  • the at least one contact 220, 221, 222, 223, 227, 228, 229 of the printed circuit board 200, 201, 202, 207 in at least one contacting element of the measuring resistor 100 formed as a recess 300, 301, 302, 307, 308, 309, 101, 102, 103, 104, 105, 106, 107 are pressed in and thus arranged.
  • the at least one contact 220, 221, 222, 223, 227, 228, 229 and the recess 300, 301, 302, 307, 308, 309 can be connected to one another by means of a thermal joining method, for example welding or soldering the measuring resistor 100, 101, 102, 103, 104, 105, 106, 107 is connected to the printed circuit board 200, 201, 202, 207.
  • a thermal joining method for example welding or soldering the measuring resistor 100, 101, 102, 103, 104, 105, 106, 107 is connected to the printed circuit board 200, 201, 202, 207.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

L'invention concerne une résistance de mesure (104) pour une borne polaire de batterie, ladite résistance de mesure étant conçue sensiblement en forme de boulon et comprenant une section centrale (124) et deux sections terminales (144, 164) opposées, au moins une zone de la résistance de mesure (104) présentant un élément de contact qui est conçu comme un creux (300) et qui permet de relier la résistance de mesure (104) au contact d'une plaque conductrice.
PCT/EP2012/064506 2011-09-16 2012-07-24 Résistance de mesure pour capteur de courant et unité capteur de courant WO2013037552A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011082887.7 2011-09-16
DE102011082887 2011-09-16
DE102012211749A DE102012211749A1 (de) 2011-09-16 2012-07-05 Messwiderstand für Stromsensor und Stromsensoreinheit
DE102012211749.0 2012-07-05

Publications (1)

Publication Number Publication Date
WO2013037552A1 true WO2013037552A1 (fr) 2013-03-21

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PCT/EP2012/064173 WO2013037549A1 (fr) 2011-09-16 2012-07-19 Résistance de mesure pour capteur de courant et unité capteur de courant
PCT/EP2012/064170 WO2013037548A1 (fr) 2011-09-16 2012-07-19 Résistance de mesure pour capteur de courant et unité capteur de courant
PCT/EP2012/064506 WO2013037552A1 (fr) 2011-09-16 2012-07-24 Résistance de mesure pour capteur de courant et unité capteur de courant

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PCT/EP2012/064170 WO2013037548A1 (fr) 2011-09-16 2012-07-19 Résistance de mesure pour capteur de courant et unité capteur de courant

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DE202013011690U1 (de) 2013-04-05 2014-02-26 Isabellenhütte Heusler Gmbh & Co. Kg Messwiderstand
CN104374553B (zh) * 2014-03-18 2017-01-04 襄阳东昇机械有限公司 螺纹通过性检测设备
FR3053794B1 (fr) * 2016-07-11 2019-12-20 Renault S.A.S. Dispositif de mesure d'un courant a serrage vertical sur une borne de batterie
JP2018189384A (ja) 2017-04-28 2018-11-29 株式会社Ｇｓユアサ 電流検出装置、管理装置、エンジン始動用のバッテリ
EP3818382B1 (fr) * 2018-09-04 2022-10-19 Isabellenhütte Heusler GmbH & Co. KG Résistance de mesure du courant et procédé de fabrication associé
DE102018121486B4 (de) * 2018-09-04 2020-09-24 Isabellenhütte Heusler Gmbh & Co. Kg Strommesswiderstand und zugehöriges Herstellungsverfahren
DE102019215502A1 (de) * 2018-10-15 2020-04-16 Continental Automotive Gmbh Widerstandsbaugruppe und Verfahren zur Herstellung einer Widerstandsbaugruppe und Batteriesensor
DE102019121980A1 (de) * 2019-01-22 2020-07-23 Roman Nachsel Hochstrom-Bauelement
DE102020215557A1 (de) 2020-12-09 2022-06-09 Continental Automotive Gmbh Batteriesensor

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EP1644749B1 (fr) 2003-07-16 2010-09-22 Auto-Kabel Managementgesellschaft mbH Dispositif de detection de reseau embarque et procede pour produire un dispositif de detection
DE102004007851A1 (de) 2004-02-17 2005-09-08 Kromberg & Schubert Gmbh & Co. Kg Intelligente Anschlussvorrichtung
DE102004033127B3 (de) * 2004-07-08 2006-04-20 Siemens Ag Vorrichtung zum Erfassen einer elektrischen Größe eines Akkumulators und Verfahren zum Herstellen einer solchen Vorrichtung
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DE102012211701A1 (de) 2013-03-21
WO2013037549A1 (fr) 2013-03-21
DE102012211733A1 (de) 2013-03-21
DE102012211749A1 (de) 2013-03-21
WO2013037548A1 (fr) 2013-03-21

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