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Self-regulating voltage power supply system

A power supply system, self-adjusting technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve problems such as lack of automatic identification tools

Active Publication Date: 2020-06-05
ZHENGYANG IND & INVESTMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terminal use scenarios, multi-voltage tools are also used collaboratively, such as hand-held electric drills and garden lawn mowers. In the same application scenario, there is currently a lack of batteries on the market that can automatically identify tools and adjust the output voltage according to the characteristics of the tools. Bag

Method used

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  • Self-regulating voltage power supply system
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Embodiment Construction

[0012] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0013] figure 1 It is a functional block diagram of the self-adjusting voltage power supply system of the embodiment of the present invention, such as figure 1 As shown, the power supply system includes a battery pack 110 , a tool recognition circuit 120 , a control circuit 130 , a tool interface 140 and an electronic switch arrangement and combination circuit 150 . Such a power supply system is intended to provide power supply for electric tools (also called power tools), especially cordless electric tools. Such electric tools can be any type of electric tools, including but not limited to: electric drills, screwdrivers, impact drills, impact Wrench, electric hammer, electric circular saw, miter saw, reciprocating saw, band saw, cutting tool, grinder, illuminator, vibrator, pruner, lawn trimmer, ...

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PUM

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Abstract

The present invention discloses a voltage-self-adjustable power supply system. The voltage-self-adjustable power supply system includes a battery pack with a plurality of unit batteries, a tool identification circuit, an electronic switch arrangement and combination circuit, a control circuit and a tool interface; the battery pack has a plurality of battery combinations; each battery combination consists of the same number of unit batteries connected in series; the tool identification circuit is connected with the control circuit and is used for identifying the voltage platform type of an electric tool when the power supply system is connected with the electric tool; the tool interface comprises at least one identification terminal and is connected with the tool identification circuit; the electronic switch arrangement and combination circuit is provided with a plurality of electronic switches; and the control circuit controls the electronic switch arrangement and combination circuit arranged between the battery combinations according to the identification result of the tool identification circuit so as to adjust the power output of the battery pack and outputs the power output through the tool interface. With the power supply system of the present invention adopted, power supply switching between a low-voltage electric tool and a high-voltage electric tool can be simplified.

Description

technical field [0001] The invention relates to the technical field of electric tool power supply systems, in particular to self-adjusting voltage power supply systems. Background technique [0002] With the popularization and development of DC tools in the electric tool industry and the use of different working conditions, more and more voltage platform tools have gradually appeared in the tool design, such as 18V, 20V, 36V, 40V, 60V, etc. DC tools for voltage platforms. In terminal use scenarios, multi-voltage tools are also used collaboratively, such as hand-held electric drills and garden lawn mowers. In the same application scenario, there is currently a lack of batteries on the market that can automatically identify tools and adjust the output voltage according to the characteristics of the tools. Bag. If the same battery power supply system can be realized for low-voltage hand-held tools and high-voltage garden tools, it will increase the convenience of tools for en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0063
Inventor 吴南飞高健
Owner ZHENGYANG IND & INVESTMENT CO LTD
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