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Dual-operation-mode DC-DC converter and DC socket for adaptively controlling output voltage

A DC-DC, self-adaptive control technology, applied in the direction of converting DC power input to DC power output, output power conversion equipment, and conversion equipment without intermediate conversion to AC, to avoid electric shock accidents, reduce design costs, and improve Effect of Voltage Withstanding Capability and Power Output Capability

Active Publication Date: 2020-06-02
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a DC-DC converter with dual operation modes and a DC socket for adaptively controlling the output voltage, which has the function of automatically measuring and outputting the rated operating voltage of household appliances, and can solve many problems in the household DC power supply environment. The problem of safe and efficient power supply at voltage level

Method used

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  • Dual-operation-mode DC-DC converter and DC socket for adaptively controlling output voltage
  • Dual-operation-mode DC-DC converter and DC socket for adaptively controlling output voltage
  • Dual-operation-mode DC-DC converter and DC socket for adaptively controlling output voltage

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Embodiment 2

[0037] In one or more embodiments, a DC socket for adaptively controlling output voltage is disclosed, which includes the DC-DC converter with dual operation modes described in Embodiment 1.

[0038] In a specific embodiment, the application scenario of the socket is a household power supply under a medium-low voltage direct current power supply system. For the positive and negative poles, since the grounding method of the DC power supply system is a floating connection, no ground wire is provided.

[0039] refer to figure 1 , The household DC socket with adaptive control output voltage includes: positive socket, negative socket, mechanical spring relay switch, dual operation mode DC-DC converter, positive current conductor and negative current conductor.

[0040] The positive and negative sockets are located at the connection between the socket and the appliance; the mechanical spring relay switch is located on the rear side of the bottom of the positive socket; the dual ope...

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Abstract

The invention discloses a dual-operation-mode DC-DC converter and a DC socket for adaptively controlling output voltage. The dual-operation-mode DC-DC converter comprises a low-voltage DC conversion circuit and a high-voltage DC conversion circuit which are connected in parallel, an output capacitor CO is connected in parallel with the output ends of the low-voltage DC conversion circuit and the high-voltage DC conversion circuit; by comparing the required output voltage with a set threshold, the dual-operation-mode DC-DC converter can be controlled to work in a low-voltage operation mode or ahigh-voltage operation mode. The socket can control voltage output in an adaptive mode, the situation that a household direct-current power supply system is provided with a multi-stage voltage outputsocket is avoided, and the design cost of direct-current household appliances and the design cost of the household direct-current power supply system are reduced on the whole.

Description

technical field [0001] The invention relates to the technical fields of direct current electrical appliances and power electronics, in particular to a dual-operation mode DC-DC converter and a direct current socket for self-adaptive control output voltage. Background technique [0002] With the development of distributed energy, the low-voltage DC power supply system will gradually be applied to household power supply. The low-voltage DC power supply system provides DC power, and the corresponding household DC socket is required as an intermediate interface connecting the DC power supply and household appliances. In order to provide high-efficiency power supply in household low-voltage DC power supply systems, there are multiple DC power supply voltage levels, such as 380V and 48V. The inventors found that the existing DC sockets can only output a fixed single voltage, and the multi-voltage level DC power supply system means that DC sockets with different voltage levels need...

Claims

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Application Information

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IPC IPC(8): H02M3/20H02M3/156H02M3/335H02M1/32H01R13/70
CPCH01R13/70H02M1/32H02M3/156H02M3/20H02M3/33569
Inventor 李可军李良子孙凯祺刘智杰
Owner SHANDONG UNIV
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