An isolated voltage regulator circuit and voltage regulator
A voltage regulator and isolated technology, applied in the electronic field, can solve the problems of low output voltage accuracy, slow adjustment, low precision, etc., and achieve the effects of avoiding poor voltage regulation performance, high reliability, and simple control
Active Publication Date: 2020-07-24
QUZHOU SANYUAN HUINENG ELECTRONICSAL
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Problems solved by technology
However, because the voltage regulation is step-by-step, continuous voltage regulation cannot be realized, so there is a shortage of low output voltage accuracy;
[0005] (3) Use AC / DC / AC conversion to realize AC sine wave voltage regulation. The large electrolytic capacitor of the DC loop makes the regulation of the DC loop voltage slow, and when the output voltage is controlled only by the modulation coefficient, the output voltage is higher or lower. When it is low, it has the shortcomings of poor waveform and low precision, and it is difficult to realize wide-range voltage regulation;
[0006] (4) When the AC sine wave voltage regulation is realized by AC / AC conversion, the output voltage waveform is poor and the precision is low;
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[0075] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0076] The embodiment of the present invention discloses an isolated voltage regulator circuit, referring to figure 1 Said, including: input module, voltage regulation module, logic operation module, detection module, voltage stabilization and rectification module and output module;
[0077] The output end of the input module is respectively connected to the input ends of the voltage regulation module and the logic operation module;
[0078] The output termin...
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The invention discloses an isolated voltage stabilizer circuit and a voltage stabilizer. The isolated voltage stabilizer circuit comprises an input module, a voltage regulation module, a logic operation module, a detection module, a voltage stabilization rectifier module and an output module; an output end of the input module is connected to input terminals of the voltage regulation module and thelogic operation module separately; an output end of the voltage regulation module is connected to an input end of the voltage stabilization rectifier module; an output end of the voltage stabilization rectifier module is connected to an input end of the detection module; an output end of the logic operation module is connected to the input ends of the output module and the detection module separately; the detection module performs detection according to the input voltage, and displays the detection result through a display component; and the voltage regulation module is also connected to theoutput module. The isolated voltage stabilizer circuit avoids defects such as poor voltage regulation performance and difficult control of conventional transformers; and the isolated voltage stabilizer circuit has the advantages of simple control, low cost, high reliability, and high stability of the output voltage.
Description
technical field [0001] The invention relates to the field of electronic technology, and more specifically relates to an isolated voltage stabilizer circuit and a voltage stabilizer. Background technique [0002] At present, the existing AC voltage regulation and stabilization methods mainly include: [0003] (1) Use the servo motor to drive the brush to move to realize the voltage regulation of the output voltage of the transformer, and the output voltage can be adjusted stepwise (transformer has multiple taps) or stepless (such as autotransformer). However, due to the existence of motors and brushes, it is a voltage regulation method with contacts, and its disadvantage is that the voltage regulation speed is slow; [0004] (2) SCR is used as an electronic switch to adjust the output voltage of the transformer to realize a non-contact voltage regulation method. However, because the voltage regulation is step-by-step, continuous voltage regulation cannot be realized, so the...
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IPC IPC(8): G05F1/56
CPCG05F1/561
Inventor 李文勇李焯辉谭启文
Owner QUZHOU SANYUAN HUINENG ELECTRONICSAL