CN103986040A - Automatic power-off type USB charging connecting wire and application thereof - Google Patents

Automatic power-off type USB charging connecting wire and application thereof Download PDF

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Publication number
CN103986040A
CN103986040A CN201410228779.2A CN201410228779A CN103986040A CN 103986040 A CN103986040 A CN 103986040A CN 201410228779 A CN201410228779 A CN 201410228779A CN 103986040 A CN103986040 A CN 103986040A
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CN
China
Prior art keywords
charging
wire
auto
usb
breaking
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201410228779.2A
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Chinese (zh)
Inventor
杜洋洋
曹银霞
束海燕
张帅博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai University of Electric Power
University of Shanghai for Science and Technology
Original Assignee
Shanghai University of Electric Power
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 Shanghai University of Electric Power filed Critical Shanghai University of Electric Power
Priority to CN201410228779.2A priority Critical patent/CN103986040A/en
Publication of CN103986040A publication Critical patent/CN103986040A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an automatic power-off type USB charging connecting wire and the application thereof. The connecting wire comprises a USB plug end, a charging end, a connecting wire body and an automatic power-off module, wherein the connecting wire body comprises a charging wire body and a data line, the two ends of the charging wire body are connected with the USB plug end and the charging end respectively, the two ends of the data line are also connected with the USB plug end and the charging end respectively, and the automatic power-off module is connected to the charging wire body and comprises a red indicator light, a green indicator light, a manual connecting button, a current transformer, a rectifying unit, a digital signal generator, a signal indicator light executing unit, a circuit switch executing unit and a circuit switch; charging is conducted by connecting the USB plug end to a power supply and connecting the charging end to a device to be charged, the automatic power-off module controls the connection and disconnection of the charging wire body for power transmission, and then the automatic power-off function is realized. Compared with the prior art, the automatic power-off type USB charging connecting wire has the advantages that the device is charged safely and the connecting wire is convenient to carry.

Description

A kind of USB charging connection wire and application thereof of auto-breaking
Technical field
The present invention relates to a kind of USB charging connection wire, especially relate to a kind of USB charging connection wire and application thereof of auto-breaking.
Background technology
Nowadays, very common in people's life electronic products such as MP3, MP4, mobile phone, digital camera and panel computer.These electronic equipments all have battery, and in the time that electric power in battery is sufficient, equipment can normally use, and in the time of the power drain of battery, just need to charge to the battery of these equipment, now will use relevant charger.Taking charger for mobile phone as example, fill and seat fills etc. form except trip, also there is one charger comparatively easily, i.e. USB charger for mobile phone.
Present many MP3, mobile phone etc. are all equipped with USB charger,, are charged needing in charging device access USB power supply as power line by usb data line.Its charger construction is very simple, there is no the transformer of bulk, can charge for most of electrical equipment of standard socket, light more a lot of than equipment first wife's charger, is applicable to travelling at home., also usb data line can be connected in the USB interface of computer meanwhile, provide electricity by computer, automatically charge as mobile phone etc. utilizes usb data line to be inserted in the USB interface of computer.The larger facility that USB charhing unit brings for people's life really.
But in life, many people, in utilizing USB power supply to charge to relevant device by usb data line, oneself do other thing, could not observe constantly these equipment and whether be full of electric energy; When somebody directly sleeps at night, allow these equipment be charged to second day, the easy like this over-charging of battery that causes these equipment always.These device batteries overcharge for a long time, and the measured battery of matter is exactly at most short point of life-span, poor quality's battery just likely in the situations such as specific temperature and loose contact moment produce a large amount of electric currents and cause spontaneous combustions or blast.So far, the event that the existing equipment that much utilizes usb data line to charge has an accident in charging both at home and abroad, causes damage and threatens with life security party's property.Existing USB charging connection wire can not meet equipment charge complete after the requirement of auto-breaking.
Summary of the invention
Object of the present invention is exactly USB charging connection wire and the application thereof that a kind of portable auto-breaking is provided in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of USB charging connection wire of auto-breaking, comprise USB plug end, charging end and connecting line, it is characterized in that, also comprise auto-breaking module, described connecting line comprises charging wire and data wire, described charging wire is connected USB plug end and charging end respectively with data wire two ends, and described auto-breaking module is linked on charging wire circuit;
USB plug end connects power supply, and charging end connects charging equipment, charge, and the connecting and disconnecting of the charging wire of auto-breaking module controls transmission of electricity.
Described auto-breaking module comprises red led, green indicating lamp, manually connect button, current transformer, rectification unit, digital signal generator, signal lamp performance element, contactor performance element and contactor, described current transformer is connected with charging wire and rectification unit respectively, described rectification unit linking number character signal generator, described digital signal generator connects respectively signal lamp performance element and contactor performance element, described signal lamp performance element connects respectively red led and green indicating lamp, described contactor performance element and the manual button connecting circuit switch respectively that is connected, described contactor is linked on charging wire circuit.
The shell of described auto-breaking module is glue shell or plastic housing.
Described USB plug end is USB male.
Described charging end is mobile phone, digital camera or panel computer charging end.
An application for the USB charging connection wire of auto-breaking, comprising:
Step S1: charging equipment is connected with charging end, USB plug termination is entered to power supply;
Step S2: by manual connection button by contactor closure;
Step S3: the current values in current transformer induction charging line, through the rectification of rectification unit, so in digital signal generator generating digital signal " 1 ", and just send in charging instruction to signal lamp performance element, red led is bright;
Step S4: when equipment charge completes, current transformer senses in charging wire that electric current is reduced to and is close to zero, through the rectification of rectification unit, and then in digital signal generator generating digital signal " 0 ", contactor performance element is sent to circuit disconnect switch instruction, contactor disconnects, and signal lamp performance element is sent to the instruction of having charged simultaneously, and green indicating lamp is bright.
Compared with prior art, the present invention has the following advantages:
1) the present invention combines auto-breaking module and Portable USB connecting line, self-carried USB plug end and charging end are as power supply input and output, meet the situation that equipment that user need carry out USB charging charges normal, and can after completing, equipment charge disconnect the power supply that equipment is charged in time, effectively evade the battery overshoot of equipment, for equipment charge provides fail safe.
2) the present invention both can realize the data high-speed transfer function of data wire, can realize again the portable charge function of charging wire, was convenient to user and carried, and on conventional usb data charging wire, designed, and reduced production costs.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is auto-breaking module diagram of the present invention;
Fig. 3 is workflow diagram of the present invention.
In figure: 1, USB plug end 2, auto-breaking module 3, charging end 4, connecting line 20, contactor 21, red led 22, green indicating lamp 23, manually connect button 24, current transformer 25, rectification unit 26, digital signal generator 27, signal lamp performance element 28, contactor performance element 41, charging wire 42, data wire.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented as prerequisite taking technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, a kind of USB charging connection wire of auto-breaking, comprise USB plug end 1, charging end 3 and connecting line 4, also comprise auto-breaking module 2, described connecting line 4 comprises charging wire 41 and data wire 42, described charging wire 41 is connected USB plug end 1 and charging end 3 respectively with data wire 42 two ends, and described auto-breaking module 2 is linked on charging wire 41 circuits.USB plug end 1 is USB male, and charging end 3 is mobile phone, digital camera or panel computer charging end.
Charger or the computer of USB plug end 1 connecting band USB interface, input power, charging end 3 linking number code products, as mobile phone, digital camera or panel computer etc., out-put supply, auto-breaking module 2 is controlled the connecting and disconnecting of the charging wire 41 of transmission of electricity.
As shown in Figure 2, auto-breaking module 2 comprises red led 21, green indicating lamp 22, manually connect button 23, current transformer 24, rectification unit 25, digital signal generator 26, signal lamp performance element 27, contactor performance element 28 and contactor 20, described current transformer 24 is connected with charging wire 41 and rectification unit 25 respectively, described rectification unit 25 linking number character signal generators 26, described digital signal generator 26 connects respectively signal lamp performance element 27 and contactor performance element 28, described signal lamp performance element 27 connects respectively red led 21 and green indicating lamp 22, described contactor performance element 28 and the manual button 23 connecting circuit switches 20 respectively that are connected, described contactor 20 is linked on charging wire 41 circuits.The shell of auto-breaking module 2 is glue shell or plastic housing, wherein, rectification unit is bridge rectifier, digital signal generator, signal lamp performance element, contactor performance element are made up of single-chip microcomputer and peripheral circuits thereof, and with red led 21, green indicating lamp 22, be manually connected button 23, current transformer 24, rectification unit 25, contactor 20 and be integrated on circuit board.
As shown in Figure 3, the application of the USB charging connection wire of above-mentioned auto-breaking comprises:
Step S1: user need to carry out the digital products such as mobile phone, digital camera or the panel computer of USB charging and be connected with charging end 3 of the present invention, USB plug end 1 of the present invention be accessed in USB power supply to the USB interface of for example computer;
Step S2: user passes through the manual connection button 23 of auto-breaking module 2 by contactor 20 closures;
Step S3: while starting to charge, charging wire 41 is in conducting state, now the current transformer 24 in auto-breaking module 2 senses that in charging wire 41, existing electric current exists, through rectification unit 25 rectifications, and then in digital signal generator 26 generating digital signal " 1 ", just send in charging instruction to signal lamp performance element 27 immediately, red led 21 is bright, represents that power supply just powers to the equipment of charging by the present invention;
Step S4: when equipment charge completes, in auto-breaking module 2 of the present invention, current transformer 24 senses in charging wire 41 that electric current is reduced to and is close to zero, through rectification unit 25 rectifications, and then in digital signal generator 26 generating digital signal " 0 ", contactor performance element 28 is sent to circuit disconnect switch 20 instructions, contactor 20 carries out opening operation, signal lamp performance element 27 is sent to the instruction of having charged, green indicating lamp 22 is bright simultaneously.
The application of the invention disconnects in time the power supply that the equipment of charging is powered after the equipment of charging is full of electricity, can effectively evade the over-charging of battery of equipment, the fail safe that improves equipment charge, and self is easy to carry.

Claims (6)

1. the USB charging connection wire of an auto-breaking, comprise USB plug end (1), charging end (3) and connecting line (4), it is characterized in that, also comprise auto-breaking module (2), described connecting line (4) comprises charging wire (41) and data wire (42), described charging wire (41) is connected USB plug end (1) and charging end (3) respectively with data wire (42) two ends, and described auto-breaking module (2) is linked on charging wire (41) circuit;
USB plug end (1) connects power supply, and charging end (3) connect charging equipment, charges, and auto-breaking module (2) is controlled the connecting and disconnecting of the charging wire (41) of transmission of electricity.
2. the USB charging connection wire of a kind of auto-breaking according to claim 1, it is characterized in that, described auto-breaking module (2) comprises red led (21), green indicating lamp (22), manually connect button (23), current transformer (24), rectification unit (25), digital signal generator (26), signal lamp performance element (27), contactor performance element (28) and contactor (20), described current transformer (24) is connected with charging wire (41) and rectification unit (25) respectively, described rectification unit (25) linking number character signal generator (26), described digital signal generator (26) connects respectively signal lamp performance element (27) and contactor performance element (28), described signal lamp performance element (27) connects respectively red led (21) and green indicating lamp (22), described contactor performance element (28) and manual button (23) the connecting circuit switch (20) respectively that is connected, described contactor (20) is linked on charging wire (41) circuit.
3. the USB charging connection wire of a kind of auto-breaking according to claim 1, is characterized in that, the shell of described auto-breaking module (2) is glue shell or plastic housing.
4. the USB charging connection wire of a kind of auto-breaking according to claim 1, is characterized in that, described USB plug end (1) is USB male.
5. the USB charging connection wire of a kind of auto-breaking according to claim 1, is characterized in that, described charging end (3) is mobile phone, digital camera or panel computer charging end.
6. an application for the USB charging connection wire of auto-breaking as claimed in claim 2, is characterized in that, comprising:
Step S1: charging equipment is connected with charging end (3), by USB plug end (1) access power supply;
Step S2: by manual connection button (23) by contactor (20) closure;
Step S3: the current values in current transformer (24) induction charging line (41), through the rectification of rectification unit (25), and then in digital signal generator (26) generating digital signal " 1 ", and just send in charging instruction to signal lamp performance element (27), red led (21) is bright;
Step S4: when equipment charge completes, current transformer (24) senses in charging wire (41) that electric current is reduced to and is close to zero, through the rectification of rectification unit (25), and then in digital signal generator (26) generating digital signal " 0 ", contactor performance element (28) is sent to circuit disconnect switch (20) instruction, contactor (20) disconnects, signal lamp performance element (27) is sent to the instruction of having charged, green indicating lamp (22) is bright simultaneously.
CN201410228779.2A 2014-05-27 2014-05-27 Automatic power-off type USB charging connecting wire and application thereof Pending CN103986040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078807A (en) * 2014-06-10 2014-10-01 深圳市嘉夆科技有限公司 Data line with automatic power off function and power off control method thereof
CN105119118A (en) * 2015-07-20 2015-12-02 青岛海信移动通信技术股份有限公司 USB charging line
CN105977742A (en) * 2016-07-08 2016-09-28 晋新纪 Intelligent automatic power-off data line and power-off method based on infrared ray sensing
WO2018090174A1 (en) * 2016-11-15 2018-05-24 华为技术有限公司 Charging method and related device
WO2018113246A1 (en) * 2016-12-19 2018-06-28 深圳市鹏元晟实业有限公司 Data line
CN109066931A (en) * 2018-08-23 2018-12-21 合肥斯姆雷品牌管理有限公司 Power supply adapter for notebook computer D/C voltage intelligent charge connecting line

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CN203104050U (en) * 2013-03-01 2013-07-31 刘晓璇 APO (Automatic Power Off) anti-backflow charger
CN203104063U (en) * 2013-03-01 2013-07-31 骆树康 Mobile phone charger with automatic power-off function
CN203250934U (en) * 2013-03-27 2013-10-23 谢玉芳 Anti-overcharge automatic power-off power strip

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CN201430458Y (en) * 2009-03-31 2010-03-24 任佳宝 Multi-purpose charge controller with automatic power-off function
CN202906501U (en) * 2012-08-29 2013-04-24 陈侃黎 Intelligent mobile phone charger with self turn-off function
CN203104050U (en) * 2013-03-01 2013-07-31 刘晓璇 APO (Automatic Power Off) anti-backflow charger
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078807A (en) * 2014-06-10 2014-10-01 深圳市嘉夆科技有限公司 Data line with automatic power off function and power off control method thereof
CN105119118A (en) * 2015-07-20 2015-12-02 青岛海信移动通信技术股份有限公司 USB charging line
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CN109066931A (en) * 2018-08-23 2018-12-21 合肥斯姆雷品牌管理有限公司 Power supply adapter for notebook computer D/C voltage intelligent charge connecting line

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Application publication date: 20140813

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