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Accumulator current sensor for automobile

一种电流传感器、蓄电池的技术，应用在只测电流、测量电流/电压、仪器等方向，能够解决不能完全避免机械应力、成本增加等问题，达到小热耦合、简单安装、避免机械应力的效果

Inactive Publication Date: 2007-10-10
LEOPOLD KOSTAL GMBH & CO KG
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  • Abstract
  • Description
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Problems solved by technology

[0005] The disadvantage here is that one is thus severely limited in the choice of the material to be used, and this generally results in increased costs during production.
It is particularly disadvantageous that the known measures only incompletely solve the problem, since a certain time is required to measure the temperature equilibration between the resistor and the circuit board, so that thermally induced mechanical stresses cannot be completely avoided

Method used

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  • Accumulator current sensor for automobile
  • Accumulator current sensor for automobile
  • Accumulator current sensor for automobile

Examples

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Embodiment Construction

[0019] FIG. 1 shows a battery current sensor designed according to the invention in a sectional view. The battery current sensor has a measuring sensor 1 with a measuring resistor 1 a formed by a metal strip, which has a plastic encapsulation 3 in its central region, which forms part of the housing 2 . The housing 2 has a housing cover 9 as a further housing part, which has a plastic encapsulation 3 , preferably connected by laser welding, and which has a molded plug cage as part of the plug connector 4 .

[0020] Measuring resistor 1 a has a simple cylindrical shaped part 11 on its end section, and connecting elements 5 , 6 are arranged rotatably about their central axis. After the relative position of the connecting elements 5 , 6 is fixed relative to the measuring sensor, their position is locked by co-pressing of the connecting points.

[0021] As shown in FIG. 2 , the first electrical connection element 5 is designed as a battery pole terminal 8 with a ring-shaped termin...

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Abstract

The invention relates to a battery current sensor for automobiles, which includes a measurement sensor embedded in a battery circuit and a measurement circuit device connected to the measurement sensor. In the sensor, at least components of the measurement circuit device are arranged on a circuit substrate. , the circuit substrate is electrically and mechanically connected to the measuring sensor in a positionally fixed manner via connecting elements, wherein each connecting element has at least one press-in contact via which the connecting element is connected to the circuit substrate and / or to the measuring sensor. connected.

Description

technical field [0001] The invention relates to a battery current sensor for automobiles, comprising a measurement sensor embedded in a battery circuit and a measurement circuit device connected to the measurement sensor, in which at least parts of the measurement circuit device are arranged on a circuit substrate , the circuit substrate is electrically and mechanically connected to the measuring sensor in a positionally fixed manner via the connector. Background technique [0002] A battery current sensor of this type is known from DE 199 61 311 A1, which is mechanically arranged directly on the pole terminals of the battery. In the battery current sensor described therein, the measuring sensor is designed to measure electrical resistance and is connected to the printed circuit board via a soldered connection. The contact surfaces of the measuring sensor are here made of copper, while the resistance itself is made of manganese-nickel-copper alloy, so that the measuring sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00G01R1/20H01R12/32H01R12/55
CPCH01R12/585G01R1/203G01R19/0092G01R31/3606G01R31/3696H01H2001/5877H01R11/287H01R13/6683G01R31/382G01R31/364
Inventor H-W·德赖斯肯珀H·伦哈德
Owner LEOPOLD KOSTAL GMBH & CO KG
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