External power supply output parameter matching circuit

A technology of external power supply and output parameters, which is applied in the direction of excitation or armature current control, output power conversion device, DC power input conversion to DC power output, etc. It can solve the problem of output power and output voltage. External power supply cannot use LED Lighting and electronic products and other issues, to achieve the effect of low cost of use and simple listing

Pending Publication Date: 2020-11-24
张银月
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that external power supplies with different output power, output voltage and output interface cannot be used for electronic product...

Method used

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  • External power supply output parameter matching circuit
  • External power supply output parameter matching circuit
  • External power supply output parameter matching circuit

Examples

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Embodiment Construction

[0018] Further illustrate the present invention below in conjunction with accompanying drawing.

[0019] Such as figure 1 As shown, the external power supply output parameter matching circuit includes external power supply, power interface, power supply, power supply buck-boost, status detection, load and controller. The external power supply is the low-voltage output port of the power adapter, mobile power supply, and other electrical appliances. It provides power for the power supply, power supply voltage boost, status detection, load, and controller through the power interface. The power interface is used to connect the output plug of the external power supply or Output socket or output power cord, the power is provided by an external power supply through the power interface, and the power step-up and step-down provide voltage and current for the controller and the load by stepping up, stepping down, and stepping down the power supply. The load is LED lights, motors, etc. ...

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Abstract

The invention discloses an external power supply output parameter matching circuit. The problem that idle power adapters, mobile power supplies and the like cannot be used for low-voltage electric appliances due to different output voltages, output powers and output interfaces is mainly solved. The output parameter matching circuit comprises an external power supply, a power supply interface, a power supply, a power supply buck-boost circuit, a state detection circuit, a load and a controller, manually or automatically matches output parameters of the external power supply, and is used for a low-voltage LED lamp, a low-voltage direct-current fan and the like.

Description

technical field [0001] The invention discloses an output parameter matching circuit of an external power supply. Background technique [0002] There are many electrical products that use power adapters for low-voltage power supply or charging, such as mobile phones, laptops, all-in-one computers, routers, cable TV set-top boxes, monitors, etc. These electrical appliances come with matching power adapters when they leave the factory. Finally, the power adapter can still be used normally, but most power adapters cannot be used for other low-voltage power supply LED lights, fans, decorations, toys, small appliances and other electronic products. There are also many mobile power supplies used with electrical appliances, such as mobile phone mobile power supplies, batteries, etc., and there are many LED lights, fans, etc. that cannot directly supply low-voltage power supply. The reason why the power adapter and mobile power supply cannot be used for other low-voltage power suppl...

Claims

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Application Information

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IPC IPC(8): H02M1/00H02M3/00H05B45/10H05B45/20H05B45/14H05B45/24F04D27/00H02P7/28
CPCF04D27/004F04D27/008H02M1/00H02M3/00H02P7/28H02M1/0003H02M1/0083
Inventor 张银月
Owner 张银月
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