Voltage regulation circuit, voltage regulation device and voltage regulation method
A voltage regulation circuit and voltage technology, which is applied in the direction of output power conversion devices, electrical components, and conversion equipment that can be converted to DC without intermediate conversion, can solve the problem of high transformer requirements, and achieve lower requirements and lower output voltage. Effect
Active Publication Date: 2016-05-25
QINGDAO HAIER TECH
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[0002] The current design of the voltage regulator mostly uses the autotransformer to adjust the voltage. The tap is set on the primary side of the autotransformer, and the voltage regulation is realized by changing the turns ratio of the primary side and the secondary side winding. This method has requirements for the transformer. higher
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[0019] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
[0020] Such as figure 1 As shown, a voltage regulation circuit is disclosed, including: a transformer T, and a step-up unit 1 and a step-down unit 2 connected to the transformer;
[0021] Wherein, the primary side winding of the transformer is connected to the first voltage, and the secondary side winding outputs the induced voltage of the first voltage; the step-up unit is used to control the output of the first voltage and the forward induced voltage in series ; The step-down unit is used to control the output of the first voltage an...
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The invention discloses a voltage regulation circuit, a voltage regulation device and a voltage regulation method. The voltage regulation circuit comprises a transformer, a step-up unit and a step-down unit, wherein the step-up unit and the step-down unit are electrically connected with the transformer; the primary-side winding of the transformer is accessed to a first voltage, and the secondary-side winding outputs a sensing voltage of the first voltage; the step-up unit is used for controlling the first voltage and the forward sensing voltage to be serially outputted; and the step-down unit is used for controlling the first voltage and the backward sensing voltage to be serially outputted. Through forward connection or backward connection with the secondary-side winding of the transformer, the input voltage is serially connected with the positive / negative sensing voltage, the output voltage is thus raised or reduced, and requirements on the transformer are reduced.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to a voltage regulating circuit, a voltage regulating device and a voltage regulating method. Background technique [0002] The current design of the voltage regulator mostly uses the autotransformer to adjust the voltage. The tap is set on the primary side of the autotransformer, and the voltage regulation is realized by changing the turns ratio of the primary side and the secondary side winding. This method has requirements for the transformer. higher. Contents of the invention [0003] One of the objects of the present invention is to provide a voltage regulating circuit to reduce the requirement on the transformer. [0004] In some illustrative embodiments, the voltage regulating circuit includes a transformer, and further includes: a step-up unit and a step-down unit electrically connected to the transformer; the primary side winding of the transformer is connected ...
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Inventor 罗光华
Owner QINGDAO HAIER TECH