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Detection device, switching device, electrical supply system, detection method and method

A detection equipment and supply system technology, applied in the direction of measuring electricity, measuring electrical variables, measuring current/voltage, etc., can solve problems such as the increase of transition resistance, achieve the effects of preventing further damage, fast short-circuit identification, and reducing complexity

Pending Publication Date: 2020-12-18
LISA DRAXLMAIER GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the transition resistance between the metal connection and the silicon within the semiconductor housing increases due to aging

Method used

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  • Detection device, switching device, electrical supply system, detection method and method
  • Detection device, switching device, electrical supply system, detection method and method
  • Detection device, switching device, electrical supply system, detection method and method

Examples

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Embodiment Construction

[0089] figure 1 A block diagram of a detection device 100 is shown. The detection device 100 has an input connection 101 and an output connection 102 via which the detection device 100 is arranged electrically in a load path 150 and in which it can be used for to identify short circuits.

[0090] Detection device 100 has a resistive measuring element 103 and an inductive measuring element 104 . The resistive measuring element 103 and the inductive measuring element 104 are arranged in a series circuit between the input connection 101 and the output connection 102 . Furthermore, a measuring device 105 is provided.

[0091] Measuring device 105 is electrically coupled to input connection 101 and output connection 102 in order to measure voltage 106 across a series circuit consisting of resistive measuring element 103 and inductive measuring element 104 .

[0092] Detection device 107 is coupled to measuring device 105 and detects a short circuit in load path 150 when measure...

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Abstract

The invention relates to a detection device (100, 200) for detecting a short circuit in a load path (150), comprising: an input connection (101, 201) and an output connection (102, 202); a resistive measuring element (103, 203, 303) and an inductive measuring element (104, 204, 304), wherein the resistive measuring element (103, 203, 303) and the inductive measuring element (104, 204, 304) are electrically arranged in a series circuit between the input connection (101, 201) and the output connection (102, 202); a measuring device (105, 205), which is designed to measure a voltage (106, 206) onthe series circuit; and a detection device (107, 207), which is coupled to the measuring device (105, 205) and is designed to detect a short circuit in the load path (150) when the measured voltage (106, 206) exceeds a predetermined threshold value and to output a corresponding short circuit signal (108, 208). The invention further relates to a switching device, to an electrical supply system, toa detection method, to a method for disconnecting a load path, and to a method for supplying an electrical load.

Description

technical field [0001] The invention relates to a detection device, a switchgear and a power supply system. Furthermore, the invention relates to a detection method, a method for disconnecting a load path and a method for supplying an electrical load. Background technique [0002] The invention will be described below mainly in connection with monitoring an energy supply system in a vehicle. It is to be understood, however, that the invention may be used in other applications as well. [0003] In modern vehicles, the electric motor can supplement the internal combustion engine, eg in hybrid vehicles, or replace the internal combustion engine, eg in electric vehicles, in order to reduce emissions. In order to operate such a vehicle with an electric motor, it is necessary at each instant to know the operating state of the overall system consisting of the energy source, ie for example battery, power electronics and electric motor. In particular, it is also necessary to detec...

Claims

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Application Information

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IPC IPC(8): B60L3/00B60L3/04G01R31/52G01R31/00G01R19/165H02H3/08
CPCB60L3/0046B60L3/0023B60L3/04G01R31/52G01R31/006G01R19/16571G01R19/16576H02H3/08G01R1/203G01R19/12H02H3/44H02H3/087
Inventor 斯特凡·约翰·霍凡戈亚历山大·艾默尔迈克尔·菲佛
Owner LISA DRAXLMAIER GMBH
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