CN105045754A - Serial bus based intelligent connection charging method - Google Patents

Serial bus based intelligent connection charging method Download PDF

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Publication number
CN105045754A
CN105045754A CN201510483925.0A CN201510483925A CN105045754A CN 105045754 A CN105045754 A CN 105045754A CN 201510483925 A CN201510483925 A CN 201510483925A CN 105045754 A CN105045754 A CN 105045754A
Authority
CN
China
Prior art keywords
connector
serial bus
circuit
connected
input end
Prior art date
Application number
CN201510483925.0A
Other languages
Chinese (zh)
Inventor
李义军
Original Assignee
安徽普为智能科技有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 安徽普为智能科技有限责任公司 filed Critical 安徽普为智能科技有限责任公司
Priority to CN201510483925.0A priority Critical patent/CN105045754A/en
Publication of CN105045754A publication Critical patent/CN105045754A/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/266Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/4068Electrical coupling
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042Universal serial bus [USB]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/40Bus coupling
    • G06F2213/4004Universal serial bus hub with a plurality of upstream ports

Abstract

The present invention relates to a serial bus based intelligent connection charging method. A control device is adopted for connection charging and comprises a portable device and a connecting device, wherein the portable device comprises a first connector, and a charging control circuit and a power output circuit connected with the first connector; the connecting device comprises a second connector, an output end of the second connector is connected with a second serial bus connector by virtue of a boost converter, and an input end of the second connector is connected with a first serial bus connector; an input end of a working voltage generating circuit is connected with the output end of the second connector, and an output end of the working voltage generating circuit is connected with an output end of a power detection circuit by virtue of a micro-processing unit; and an input end of a voltage detection circuit is connected with an output end of the boost converter. The serial bus based intelligent connection charging method, by virtue of the portable device and the connecting device, ensures that an intelligent connection system can support host side functions to provide more convenience for users.

Description

A kind of intelligent link charging method based on universal serial bus

Technical field

The present invention relates to a kind of intelligent link system, be specifically related to a kind of intelligent link charging method based on universal serial bus.

Background technology

USB (universal serial bus) has that easy use, extendibility are good, the characteristic such as plug and play and high speed, is therefore a kind of very general computer interface connection standard, and has been applied on various electronic products.But, the specification of USB (universal serial bus) defines USB client and on power supply signal, (that is VBUS signal) upper placement must be less than the electric capacity of 10 μ f, usb host end then must place the electric capacity being greater than 120 μ f on VBUS signal, therefore, above also cannot go to support USB client and usb host end function by same a connector at same motherboard (motherboard of such as mancarried device) simultaneously.The current mancarried device such as device such as mobile phone or personal digital assistant on the market only can be used as the purposes of USB client and cannot support usb host end function, is quite inconvenient for user.

Summary of the invention

The object of the present invention is to provide a kind of intelligent link charging method based on universal serial bus, by mancarried device and coupling arrangement to support host function.

For achieving the above object, present invention employs following technical scheme:

A kind of intelligent link charging method based on universal serial bus, control device is adopted to carry out connection charging, described control device comprises mancarried device and coupling arrangement, described mancarried device comprises the first connector, charging control circuit and power output circuit, and described coupling arrangement comprises the second connector, boost converter, the first serial bus connector, the second serial bus connector, working volt produce circuit, microprocessing unit and power sensor detecting circuit, the output terminal of described first connector respectively with the input end of charging control circuit, the output terminal of power output circuit is connected, the output terminal of described first connector is connected with the input end acquisition interface of the second connector, the output terminal of described second connector is connected through the input end of boost conversion electrical equipment with the second universal serial bus connector, the input end of described working volt produce circuit is connected with the output terminal of the second connector, its input end is connected with the output terminal of power sensor detecting circuit through microprocessing unit, the input end of power sensor detecting circuit is connected with the output terminal of boost converter,

This charging method, portable unit and coupling arrangement is comprised the steps: to be interconnected by the first connector and the second connector, first serial bus connector is connected with host side, by the first serial bus connector, the power supply of host side is flowed to charging control circuit by the first connector to charge, then exported by power output circuit, the power supply exported is sent into boost converter by the output terminal of the first connector and the input end of the second connector and is boosted, to obtain required voltage, this power supply is sent into microprocessing unit by working volt produce circuit and is controlled by the power supply simultaneously exported by the second connector, power supply after boosting is detected by circuit for detecting, when detecting unit detects the magnitude of voltage after boosting and current value is greater than critical value, microprocessing unit control signal can forbid that boost converter is to stop out-put supply, when magnitude of voltage or current value are not more than critical value, the control signal of microprocessing unit can make boost converter by the working power needed for the second serial bus connector output.

As shown from the above technical solution, mancarried device and coupling arrangement are led in the present invention, make this intelligent link system to support host function, to provide user more convenience.When mancarried device independently exists, can be used as USB client; And when mancarried device is connected with coupling arrangement, can be used as usb host end.Meanwhile, while this mancarried device is undertaken charging by serial bus connector, charge to external USB peripheral device.This connected system highly versatile, easy to carry.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Embodiment

Below in conjunction with accompanying drawing, the present invention will be further described:

As shown in Figure 1, a kind of intelligent link charging method based on universal serial bus, comprise mancarried device 1 and coupling arrangement, described mancarried device comprises the first connector 12, charging control circuit 11 and power output circuit 13, and described coupling arrangement comprises the second connector 22, boost converter 24, first serial bus connector 21, second serial bus connector 26, working volt produce circuit 23, microprocessing unit 25 and power sensor detecting circuit 27.

Described charging control circuit 11, is connected with the first connector 12, for receiving charge power supply by the first end points in this first transmission interface; Described power output circuit 13, is connected with the first connector 12, for providing out-put supply by this first end points;

Described second connector 22, is connected with the first connector 12, and has the second transmission interface and the second end points that match with the transmission interface of this first connector 12 and the first end points; Described universal serial bus connector, is electrically coupled to this second end points, is used for receiving by this second end points this out-put supply that this power output circuit 13 provides; Described boost converter 24, be electrically coupled between this second end points and this universal serial bus connector of this second connector 22, this out-put supply being used for being exported by this power output circuit 13 changes a second source to this universal serial bus connector; Described power sensor detecting circuit 27, is coupled to this boost converter 24 and this universal serial bus connector, is used for detecting magnitude of voltage or the current value of this second source; Described microprocessing unit 25, is coupled between this boost converter 24 and this power sensor detecting circuit 27, is used for producing control signal to control this boost converter 24 according to this magnitude of voltage or this current value; Described working volt produce circuit 23, is electrically coupled between this second end points and this microprocessing unit 25 of this second connector 22, and being used for provides operating voltage to this microprocessing unit 25 according to this out-put supply that this power output circuit 13 exports.

Principle of work is as follows: portable unit and coupling arrangement are interconnected by the first connector 12 and the second connector 22, first serial bus connector 21 is connected with host side, by the first serial bus connector 21, the power supply of host side is flowed to charging control circuit 11 by the first connector 12 to charge, then exported by power output circuit 13, the power supply exported is sent into boost converter 24 by the output terminal of the first connector 12 and the input end of the second connector 22 and is boosted, to obtain required voltage, this power supply is sent into microprocessing unit 25 by working volt produce circuit 23 and is controlled by the power supply simultaneously exported by the second connector 22, power supply after boosting is detected by circuit for detecting, when detecting unit detects the magnitude of voltage after boosting and current value is greater than critical value, microprocessing unit 25 control signal can forbid that boost converter 24 is to stop out-put supply, when magnitude of voltage or current value are not more than critical value, the control signal of microprocessing unit 25 can make boost converter 24 export required working power by the second serial bus connector 26.

Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims (1)

1. the intelligent link charging method based on universal serial bus, it is characterized in that: adopt control device to carry out connection charging, described control device comprises mancarried device and coupling arrangement, described mancarried device comprises the first connector, charging control circuit and power output circuit, and described coupling arrangement comprises the second connector, boost converter, the first serial bus connector, the second serial bus connector, working volt produce circuit, microprocessing unit and power sensor detecting circuit, the output terminal of described first connector respectively with the input end of charging control circuit, the output terminal of power output circuit is connected, the output terminal of described first connector is connected with the input end acquisition interface of the second connector, the output terminal of described second connector is connected through the input end of boost conversion electrical equipment with the second universal serial bus connector, the input end of described working volt produce circuit is connected with the output terminal of the second connector, its input end is connected with the output terminal of power sensor detecting circuit through microprocessing unit, the input end of power sensor detecting circuit is connected with the output terminal of boost converter,
This charging method, portable unit and coupling arrangement is comprised the steps: to be interconnected by the first connector and the second connector, first serial bus connector is connected with host side, by the first serial bus connector, the power supply of host side is flowed to charging control circuit by the first connector to charge, then exported by power output circuit, the power supply exported is sent into boost converter by the output terminal of the first connector and the input end of the second connector and is boosted, to obtain required voltage, this power supply is sent into microprocessing unit by working volt produce circuit and is controlled by the power supply simultaneously exported by the second connector, power supply after boosting is detected by circuit for detecting, when detecting unit detects the magnitude of voltage after boosting and current value is greater than critical value, microprocessing unit control signal can forbid that boost converter is to stop out-put supply, when magnitude of voltage or current value are not more than critical value, the control signal of microprocessing unit can make boost converter by the working power needed for the second serial bus connector output.
CN201510483925.0A 2015-08-10 2015-08-10 Serial bus based intelligent connection charging method CN105045754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510483925.0A CN105045754A (en) 2015-08-10 2015-08-10 Serial bus based intelligent connection charging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510483925.0A CN105045754A (en) 2015-08-10 2015-08-10 Serial bus based intelligent connection charging method

Publications (1)

Publication Number Publication Date
CN105045754A true CN105045754A (en) 2015-11-11

Family

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Family Applications (1)

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CN201510483925.0A CN105045754A (en) 2015-08-10 2015-08-10 Serial bus based intelligent connection charging method

Country Status (1)

Country Link
CN (1) CN105045754A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1744064A (en) * 2004-08-30 2006-03-08 旺玖科技股份有限公司 Multifunctional generalserial bus wireless bridge device and system device
CN101833526A (en) * 2009-03-10 2010-09-15 宏达国际电子股份有限公司 Electronic system and method for supporting host function
CN102999144A (en) * 2012-12-14 2013-03-27 青岛歌尔声学科技有限公司 USB (Universal Serial Bus) power supply circuit and device as well as power supply method
US20130181660A1 (en) * 2012-01-12 2013-07-18 Hai-Qing Zhou Charge control circuit for usb device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1744064A (en) * 2004-08-30 2006-03-08 旺玖科技股份有限公司 Multifunctional generalserial bus wireless bridge device and system device
CN101833526A (en) * 2009-03-10 2010-09-15 宏达国际电子股份有限公司 Electronic system and method for supporting host function
US20130181660A1 (en) * 2012-01-12 2013-07-18 Hai-Qing Zhou Charge control circuit for usb device
CN102999144A (en) * 2012-12-14 2013-03-27 青岛歌尔声学科技有限公司 USB (Universal Serial Bus) power supply circuit and device as well as power supply method

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Application publication date: 20151111