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Light beam excitation amplification type field intensity detection current source

A technology of field strength detection and beam excitation, which is applied in the power supply field, can solve problems such as unstable performance, and achieve the effects of easy production and use, improved overvoltage, and stable performance

Inactive Publication Date: 2015-10-28
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the current bipolar power supply is easily affected by the external environment temperature, which leads to unstable performance, and to provide a beam excitation amplification type field strength detection current source

Method used

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  • Light beam excitation amplification type field intensity detection current source
  • Light beam excitation amplification type field intensity detection current source

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0019] Such as figure 1 As shown, the temperature-compensated power supply of the present invention consists of a DC power supply S, a control circuit connected to the DC power supply S, a temperature compensation circuit connected to the control circuit, and a photosensitive resistor CDS connected to the temperature compensation circuit. It is composed of a precision anti-phase adjustable circuit between the temperature compensation circuit and the photosensitive resistor CDS, and a beam excitation circuit connected in series between the DC power supply S and the photosensitive resistor CDS.

[0020] At the same time, in the present invention, an amplified field strength detection circuit is connected in series between the precision anti-phase adjustable circuit and the...

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Abstract

The invention discloses a light beam excitation type precise reverse-bias adjustable current source. The light beam excitation type precise reverse-bias adjustable current source mainly consists of a direct-current power supply S, a control circuit connected with the direct-current power supply S, a temperature compensating circuit connected with the control circuit and a light-dependent resistor CDS connected with the temperature compensating circuit and is characterized in that a precise reverse-bias adjustable circuit is connected between the temperature compensating circuit and the light-dependent resistor CDS in series, and a light beam excitation type logic amplification circuit is connected between the direct-current power supply S and the light-dependent resistor CDS in series. An LM4431 voltage reference circuit and an LMC 6062 power amplifier produced by an American semiconductor company are combined so that the current output range of the light beam excitation type precise reverse-bias adjustable current source can be remarkably widened.

Description

technical field [0001] The invention relates to a power supply, in particular to a light beam excitation amplification type field strength detection current source. Background technique [0002] At present, after making the battery protection circuit board, battery manufacturers generally need to use a bipolar power supply to detect whether the functions of the battery protection circuit board have reached the standard, that is, to use the bipolar power supply to quickly realize the protection of the battery protection circuit board. Rapid calibration and testing of overvoltage, undervoltage and overcurrent. The so-called bipolar power supply means that when the power supply is discharged, the current inside the power supply flows from the negative pole to the positive pole, and when the power supply is charged, the current inside the power supply flows from the positive pole to the negative pole (the internal current of the traditional common power supply no matter whether ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/565
Inventor 雷明方
Owner STATE GRID SHANDONG ELECTRIC POWER