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Energy supply

An energy supply and energy storage unit technology, applied in electric vehicles, electrical components, battery load switching, etc., can solve problems such as energy loss, and achieve the effect of energy-saving energy supply

Active Publication Date: 2015-07-01
VEGA GRIESHABER GMBH & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the energy supply units known from the prior art, due to the degree of technical limitation of the charging circuit in the battery 9 and the availability of energy storage, during the charging of the battery 9 and during the supply of energy to the field device 7, energy is lost due to the degree of effectiveness while loss is considered unfavorable
Furthermore, it is considered to be disadvantageous that the energy supply is generated exclusively via the battery 9 because, for example, situations may arise from the available installation space in which the circuits known from the prior art are not possible or at least disadvantageous

Method used

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Embodiment Construction

[0027] figure 2 is a block diagram of an energy supply unit according to the invention.

[0028] According to this block diagram, the field device 7 is connected between the first energy supply unit 3 and a further module comprising the charging circuit 5 and the energy storage unit 9 . Generally, the energy flow may be unidirectional, from the first energy supply unit 3 to the field device 7 , whereas the energy flow between the field device 7 and the module with the charging circuit 5 and the energy storage unit 9 is bidirectional.

[0029] image 3 show figure 2 In the energy supply unit in the first state, showing figure 2 A single component of a module in . Individual components are boxed to illustrate figure 2 The modules are shown separately.

[0030] A solar cell is provided as the first energy supply unit 3, and when affected by solar radiation, the solar cell provides an output voltage. second diode D 2 There is conduction in the flow direction between so...

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Abstract

The power supply (1) has a solar cell (3) with a variable output voltage for a field device (7). An accumulator (9) is charged by a charging circuit (5), which is formed as an integrated circuit. The charging circuit is switched in a state, in which the output voltage is above a preset value i.e. rated voltage, such that the field device is operated over the solar cell and the solar cell is charged. The circuit is switched in another state, in which the output voltage is below the preset value, such that the device is supplied over the solar cell and to the accumulator.

Description

technical field [0001] The invention relates to the energy supply of field devices operating at nominal voltage. Background technique [0002] Many such energy supplies for field devices are known in the prior art, having a first energy supply unit providing a variable output voltage, and an energy storage unit. The first energy supply unit feeds the energy supply unit via the charging circuit and charges the energy supply unit in this way. The field devices are then exclusively supplied by the energy supply unit. [0003] figure 1 is a block diagram of an energy supply unit known in the prior art, in which an energy storage unit with a charging circuit 5 is arranged downstream of the first energy supply unit 3 . In the present exemplary embodiment, the energy storage unit with the charging circuit 5 is designed as a battery 9 with the charging circuit embodied as an integrated circuit. For example, a solar cell can be used as the first energy supply unit 3, which then c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0068H02J7/0054H02J7/0055H02J7/35H02J2207/40H02J7/342H02J7/00
Inventor 沃尔克·奥格尔安德里亚斯·埃森曼
Owner VEGA GRIESHABER GMBH & CO