WO2006048233A1 - Batteriestromsensor für ein kraftfahrzeug - Google Patents
Batteriestromsensor für ein kraftfahrzeug Download PDFInfo
- Publication number
- WO2006048233A1 WO2006048233A1 PCT/EP2005/011679 EP2005011679W WO2006048233A1 WO 2006048233 A1 WO2006048233 A1 WO 2006048233A1 EP 2005011679 W EP2005011679 W EP 2005011679W WO 2006048233 A1 WO2006048233 A1 WO 2006048233A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current sensor
- battery current
- metal strip
- measuring
- housing
- Prior art date
Links
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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
Definitions
- the present invention relates to a battery current sensor for a motor vehicle, having a measuring sensor inserted into the battery circuit and having a housing connected to the measuring sensor and having a measuring circuit arrangement disposed within the housing.
- Such a battery current sensor which is mechanically directly connected to a pole terminal of the battery, is known from DE 199 61 311 A1.
- the problem is that the location of the battery and the
- the measuring sensor is formed by a metal strip which is electrically and mechanically directly connected to the vehicle body.
- the mounted battery current sensor is thus not attached to the vehicle battery but at the connection point of the main ground line to the vehicle body.
- the senor is formed by a simple metal strip.
- a connected to the metal strip measuring device evaluates a dependent of the current flow through the metal strip physical quantity, such as resulting from the current flow magnetic field or heating.
- a particularly simple and proven method of current measurement is to regard a portion of the metal strip as a measuring resistor, and to detect the voltage dropping there.
- the portion of the metal strip used for the measurement can advantageously be provided with a plastic extrusion coating, which forms a part of a housing which comprises the actual measuring circuit.
- a part of a connector can also be formed on this housing via which the measuring circuit of the battery current sensor can be connected to other vehicle components.
- the metal strip can advantageously have integrally formed connecting elements.
- An embodiment of a battery current sensor according to the invention is illustrated below with reference to the drawing and explained in more detail.
- Figure 1 is a side view of a battery current sensor
- Figure 2 is a plan view of the battery current sensor
- Figure 3 is a sectional drawing through the mounted
- FIG. 1 shows a side view of a battery current sensor constructed according to the invention.
- the battery current sensor consists of a simple metal strip, which has in its central region a plastic injection (3), which forms a part of a housing (2).
- the housing (2) has, as a further housing part, a housing cover (14) which is connected to the fuel injection molding (3), preferably by means of laser welding, and which has a molded-on connector basket as part of a connector (4).
- FIG. 2 shows the same battery current sensor in a plan view.
- connecting elements of the measuring sensor (1) which are designed as a breakthrough (6) at a first end portion (5) and at a second end portion (7) as an annular crimp connector (8).
- This crimp connector (8) shows the electrical connection to an electrical conductor (11) with a large cross section, generally the main ground line, in a battery current sensor mounted in a motor vehicle.
- the at the opposite first end portion of the measuring sensor (1) designed as a hole breakthrough serves for
- the entire mass flow over the measuring sensor forming metal strip (1 a) of the main ground line (11) to the vehicle body (10), wherein the arranged within the plastic housing measuring circuit arrangement (9) evaluates the voltage drop across the overmolded portion of the metal strip (1 a).
- press-fit contacts (13) are welded to the metal strip (1a), whose resilient end sections are connected to the circuit carrier of the measuring circuit arrangement (9).
- the contacts of the connector (4) can be advantageous via such (not shown here) press-in contacts are electrically connected to the measuring circuit arrangement (9).
- a measurement signal corresponding to the current flow through the measuring sensor can be removed from the connector (4), which is molded onto that of the housing (2).
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004053647A DE102004053647A1 (de) | 2004-11-03 | 2004-11-03 | Batteriestromsensor für ein Kraftfahrzeug |
DE102004053647.3 | 2004-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006048233A1 true WO2006048233A1 (de) | 2006-05-11 |
Family
ID=35636828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011679 WO2006048233A1 (de) | 2004-11-03 | 2005-11-02 | Batteriestromsensor für ein kraftfahrzeug |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004053647A1 (de) |
WO (1) | WO2006048233A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7688022B2 (en) | 2006-02-17 | 2010-03-30 | Lear Corporation | Energy management system for a vehicle |
DE102006053021A1 (de) * | 2006-11-10 | 2008-05-15 | Hella Kgaa Hueck & Co. | Kraftfahrzeugsensor, insbesondere Batteriesensor mit Messwiderstand |
US8476864B2 (en) | 2007-06-13 | 2013-07-02 | Lear Corporation | Battery monitoring system |
DE102013210128A1 (de) | 2013-03-05 | 2014-09-11 | Continental Automotive Gmbh | Einstückig ausgebildete Stromsensorvorrichtung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5378977A (en) * | 1990-03-29 | 1995-01-03 | Ab Volvo | Device for making current measurements used in determining the charging of a vehicle storage battery |
US6218805B1 (en) * | 1998-04-17 | 2001-04-17 | Menico Ag | Measuring battery clamps |
EP1107009A1 (de) * | 1999-12-09 | 2001-06-13 | Sagem Sa | Gerät zur Messung der Stromintensität in einer Leitung |
DE10001345C1 (de) * | 2000-01-14 | 2001-06-21 | Bosch Gmbh Robert | Vorrichtung zur Messung des Stromes eines Energiespeichers mittels eines Meßkabels |
DE20318266U1 (de) * | 2003-11-26 | 2004-02-19 | Hella Kg Hueck & Co. | Vorrichtung zur Strommessung |
WO2004063738A2 (en) * | 2003-01-03 | 2004-07-29 | Johnson Controls Technology Company | Battery monitoring system and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3808559C2 (de) * | 1988-03-15 | 1994-04-21 | Hella Kg Hueck & Co | Verfahren und Vorrichtung zur Überwachung der Leistungsgrenze einer Starterbatterie |
DE19828927C2 (de) * | 1998-06-29 | 2000-12-07 | Siemens Ag | Einrichtung und Verfahren zum Messen der Spannung einer Spannungsquelle |
DE19952693A1 (de) * | 1999-10-14 | 2001-05-23 | Akkumulatorenfabrik Moll Gmbh | Verfahren und Vorrichtung zum Ermitteln, Anzeigen und/oder Auslesen des Zustandes einer Batterie, insbesondere einer Starterbatterie für ein Kraftfahrzeug |
-
2004
- 2004-11-03 DE DE102004053647A patent/DE102004053647A1/de not_active Withdrawn
-
2005
- 2005-11-02 WO PCT/EP2005/011679 patent/WO2006048233A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5378977A (en) * | 1990-03-29 | 1995-01-03 | Ab Volvo | Device for making current measurements used in determining the charging of a vehicle storage battery |
US6218805B1 (en) * | 1998-04-17 | 2001-04-17 | Menico Ag | Measuring battery clamps |
EP1107009A1 (de) * | 1999-12-09 | 2001-06-13 | Sagem Sa | Gerät zur Messung der Stromintensität in einer Leitung |
DE10001345C1 (de) * | 2000-01-14 | 2001-06-21 | Bosch Gmbh Robert | Vorrichtung zur Messung des Stromes eines Energiespeichers mittels eines Meßkabels |
WO2004063738A2 (en) * | 2003-01-03 | 2004-07-29 | Johnson Controls Technology Company | Battery monitoring system and method |
DE20318266U1 (de) * | 2003-11-26 | 2004-02-19 | Hella Kg Hueck & Co. | Vorrichtung zur Strommessung |
Also Published As
Publication number | Publication date |
---|---|
DE102004053647A1 (de) | 2006-05-04 |
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