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Multipath direct current output power supply

A technology of direct current output and direct current, applied in the direction of direct current network circuit devices, irreversible alternating current power input conversion to direct current power output, electrical components, etc., to achieve the effect of reducing design cost and simplifying control complexity

Inactive Publication Date: 2018-01-26
BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is: compared with the prior art, a multi-channel DC output power supply is provided, which realizes the purpose of simplifying the control complexity of the multi-channel DC output voltage and reducing the design cost of the multi-channel DC output power supply

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  • Multipath direct current output power supply

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0016] figure 1 It is a structural diagram of a multi-channel DC output power supply in the embodiment of the present invention, refer to figure 1 , the multi-channel DC output power supply proposed by the present invention includes an AC / DC conversion module 1, a PWM signal generator 2, a drive module 3, a DC / AC power inverter module 4 and a DC output module 5;

[0017] The AC / DC conversion module 1, the DC / AC power inverter module 4 and the DC output module 5 are connected in sequence; the AC / DC conversion modu...

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Abstract

The invention discloses a multipath direct current output power supply. The multipath direct current output power supply outputs multipath direct current voltage by setting an AC / DC conversion module,and does not need setting one AC / DC conversion module for output of direct current voltage of each path, thus achieving the aim of reducing the design cost of the multipath direct current output power supply. The multipath direct current output power supply can accurately control the voltage output value of the direct current power supple of each path through a PWM signal generator, and does notneed controlling the output values of multipath direct current voltage by means of a feedback winding, thus realizing the effect of simplifying the control complexity of the multipath direct current output voltage.

Description

technical field [0001] The invention relates to direct current power supply technology, in particular to a multi-channel direct current output power supply. Background technique [0002] In the field of power supply, the application of multi-channel isolated DC output power supply is very extensive. At present, the following two methods are usually used to design a multi-channel isolated DC output power supply: one is to adopt a power control chip plus an isolation transformer for each DC output power supply, and directly use the output as feedback for control, which can accurately control The DC output power supply voltage is precisely adjusted, but there are many control chips, transformers, complex control, and high cost; the other is to use a power control chip plus a multi-winding transformer topology, by adding feedback windings or selecting the main output power supply as Feedback is used to control the output multi-channel DC voltage. This design method has the adva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/04H02J1/00
Inventor 王移川郑再平李春宇胡骢王令岩
Owner BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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