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Voltage controller of a generator

A technology for voltage regulators and generators, applied in the direction of controlling generators, current collectors, vehicle components, etc., can solve problems such as damage to the vehicle power grid system, and achieve the effect of reliable regulation

Pending Publication Date: 2019-05-21
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has the disadvantage that in the event of a fault at the first switch and this first switch is no longer able to fulfill its regulating task, the second switch is only able to keep the on-board power supply voltage at a higher level
This could lead to potential damage within the onboard electrical system

Method used

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  • Voltage controller of a generator
  • Voltage controller of a generator

Examples

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Embodiment Construction

[0020] figure 1 A voltage regulator 1 is shown schematically, which is arranged in a vehicle generator 2 . Only the field winding 5 of the vehicle generator 2 is shown, and the rotor and stator for converting mechanical energy into electrical energy are not shown. The vehicle electrical system 16 can be supplied with electrical energy via the vehicle generator 2 , wherein the vehicle electrical system 16 is represented by the vehicle battery 14 and the consumer 15 . Vehicle electrical system 16 has a positive pole B+ and a negative pole GND. Vehicle electrical system 16 is electrically connected via positive pole B+ and negative pole GND to vehicle generator 2 and thus to voltage regulator 1 . The output voltage of vehicle generator 2 therefore also represents the voltage in vehicle electrical system 16 .

[0021] The voltage regulator 1 includes a first regulating unit 3 and a second regulating unit. The first regulating unit 3 in turn comprises a first logic unit 12 by mea...

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PUM

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Abstract

The invention relates to a voltage controller (1) of a generator (2), comprising a first control unit (3) and a second control unit (4), which is independent of the first control unit (3), the first control unit (3) being designed to lower an output voltage of the generator (2) when a first maximum value (100) is exceeded, and the second control unit (4) being designed to lower the output voltageeither when a first maximum value (100) is exceeded or when a second maximum value (200) different from the first maximum value (100) is exceeded.

Description

technical field [0001] The invention relates to a voltage regulator for a vehicle generator. In particular, the invention also relates to a vehicle generator comprising such a voltage regulator. Background technique [0002] To provide electrical energy in motor vehicles, generators are usually used. Such generators are called vehicle generators. The generator converts mechanical energy provided by the vehicle's drive motor through the pulleys into electrical energy. Therefore, the torque to drive the vehicle generator depends on the state of the internal combustion engine. [0003] Usually, the vehicle generator is coupled to a voltage regulator, which is supplied from its own generator voltage and / or from the vehicle electrical system. In generators of this type, the regulating device is usually used in the form of mostly integrated circuits, which are configured with power electronics. The regulating device regulates the required current in the on-board electrical sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/14
CPCH02J7/24H02J7/16H02J7/00308H02J7/0047H02J7/1415H02J7/1492H02P2101/45H02H9/047H02P9/10
Inventor C·克诺贝尔施皮斯
Owner ROBERT BOSCH GMBH