CN103972756B - A kind of USB charging connection wire that can countdown power-off - Google Patents

A kind of USB charging connection wire that can countdown power-off Download PDF

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Publication number
CN103972756B
CN103972756B CN201410228406.5A CN201410228406A CN103972756B CN 103972756 B CN103972756 B CN 103972756B CN 201410228406 A CN201410228406 A CN 201410228406A CN 103972756 B CN103972756 B CN 103972756B
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China
Prior art keywords
countdown
charging
wire
usb
unit
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Expired - Fee Related
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CN201410228406.5A
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Chinese (zh)
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CN103972756A (en
Inventor
杜洋洋
曹银霞
束海燕
张帅博
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Shanghai University of Electric Power
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Shanghai University of Electric Power
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Expired - Fee Related legal-status Critical Current
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Abstract

The present invention relates to a kind of USB charging connection wire that can countdown power-off, comprise USB plug end, charging end and connecting line, also comprise countdown Self-disconnecting 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, described countdown Self-disconnecting module is linked on charging wire circuit, described countdown Self-disconnecting module comprises time setting unit, countdown unit, display screen, digital signal generator, signal lamp performance element, red led, green indicating lamp, contactor performance element, manually connect button and contactor. compared with prior art, the present invention facilitates user to set voluntarily the charging interval, for equipment charge provides security, and is easy to carry.

Description

A kind of USB charging connection wire that can countdown power-off
Technical field
The present invention relates to a kind of USB charging connection wire, especially relate to a kind of USB that can countdown power-off and fillElectric connection line.
Background technology
Nowadays, electronic products such as MP3, MP4, mobile phone, digital camera and panel computer people'sVery common in life. These electronic equipments all have battery, and in the time that the electric power in battery is sufficient, equipment canNormally use, in the time of the power drain of battery, just need to charge to the battery of these equipment, nowCan use relevant charger. Taking charger for mobile phone as example, fill and seat fills etc. form except trip, also have onePlant charger, i.e. USB charger for mobile phone comparatively easily.
Present many MP3, mobile phone etc. are all equipped with USB charger, by usb data line as power line,Charge in charging equipment access USB power supply needing. Its charger construction is very simple, there is no the change of bulkDepressor, can charge for most of electrical equipment of standard socket, very lighter than equipment first wife's chargerMany, be applicable to travelling at home. Meanwhile, also usb data line can be connected in the USB interface of computer, by computerElectricity is provided, automatically charges as mobile phone etc. utilizes usb data line to be inserted on the USB interface of computer. USBThe larger facility that charhing unit brings for people's life really.
But in life, many people are utilizing USB power supply to carry out to relevant device by usb data lineWhen charging, 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, so easy causing alwaysThe over-charging of battery of these equipment. These device batteries overcharge for a long time, and it is short that the measured battery of matter is exactly at most the life-spanPoint, poor quality's battery just likely in the situations such as specific temperature and loose contact moment produce a large amount of electricityStream causes spontaneous combustion or blast. So far, existingly both at home and abroad much utilize establishing that usb data line chargesThe standby event having an accident in charging, causes damage and threatens with life security party's property. ExistingUSB charging connection wire can not meet the requirement of auto-breaking after equipment charge certain hour.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of portable canThe USB charging connection wire of countdown power-off.
Object of the present invention can be achieved through the following technical solutions:
USB charging connection wire that can countdown power-off, comprises USB plug end, charging end and connecting line,Also comprise countdown Self-disconnecting module, described connecting line comprises charging wire and data wire, described charging wire and numberConnect respectively USB plug end and charging end according to line two ends, described countdown Self-disconnecting module is linked into chargingOn line circuit;
USB plug end connects power supply, and charging end connects charging equipment, charge, and countdown Self-disconnecting mouldThe connecting and disconnecting of the charging wire of piece control transmission of electricity.
Described countdown Self-disconnecting module comprises time setting unit, countdown unit, display screen, data signalGenerator, signal lamp performance element, red led, green indicating lamp, contactor performance element, handBe dynamically connected button and contactor, described time setting unit connects countdown unit, described countdown unitConnect respectively display screen and digital signal generator, described digital signal generator connects respectively signal lamp and holdsRow unit and contactor performance element, described signal lamp performance element connects respectively red led and greenLook indicator lamp, described contactor performance element and manual button connecting circuit switch respectively, the described electricity of being connectedWay switch is linked on charging wire circuit;
The setting-up time information of countdown unit time of reception setup unit is also carried out countdown, and display screen receives meterThe temporal information of Shi Danyuan also shows, manually connects button by contactor closure simultaneously, and countdown unit is by numberCharacter signal generator produces data signal " 1 ", and signal lamp performance element just sends in charging instruction, and redness refers toShow that lamp is bright, in the time that countdown finishes, countdown unit produces data signal " 0 ", electricity by digital signal generatorWay switch performance element sends circuit disconnect switch instruction, and contactor disconnects, and synchronous signal lamp performance element sendsThe instruction of having charged, green indicating lamp is bright.
Described display screen adopts LED display.
The shell of described countdown Self-disconnecting 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.
Compared with prior art, the present invention has the following advantages:
1) the present invention combines countdown Self-disconnecting module and Portable USB connecting line, self-carried USBPlug end and charging end be as power supply input and output, meets the equipment that user need carry out USB charging and carry out normallyThe situation of charging, and the charging that can complete under setting-up time at the equipment of charging disconnects equipment is filled in time afterwardsThe power supply of electricity, effectively evades the battery overshoot of equipment, for equipment charge provides security.
2) the present invention both can realize the data high-speed transfer function of data wire, can realize again the convenient of charging wireFormula charge function, is convenient to user and carries, and on conventional usb data charging wire, designs, and reduces and producesCost.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is countdown Self-disconnecting module diagram of the present invention;
Fig. 3 is workflow diagram of the present invention.
In figure: 1, USB plug end 2, countdown Self-disconnecting module 3, charging end 4, connecting line 20, electricityWay switch 21, red led 22, green indicating lamp 23, manually connect button 24, display screen 25, timeBetween setup unit 26, countdown unit 27, digital signal generator 28, signal lamp performance element29, contactor performance element 41, charging wire 42, data wire.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail. The present embodiment is with the technology of the present invention sideCase is that prerequisite is implemented, and has provided detailed embodiment and concrete operating process, but protection model of the present inventionEnclose and be not limited to following embodiment.
As shown in Figure 1, a kind of USB charging connection wire that can countdown power-off, comprises USB plug end 1, fillsElectricity end 3 and connecting line 4, also comprise countdown Self-disconnecting module 2, and described connecting line 4 comprises charging wire 41With data wire 42, described charging wire 41 is connected USB plug end 1 and charging respectively with data wire 42 two endsEnd 3, described countdown Self-disconnecting module 2 is linked on charging wire 41 circuits. USB plug end is USB public affairsHead, charging end is mobile phone, digital camera or panel computer charging end.
USB plug end 1 connects power supply, and charging end 3 connects charging equipment, charges, and countdown is autotomyedElectricity module 2 is controlled the connecting and disconnecting of the charging wire 41 of transmission of electricity.
As shown in Figure 2, countdown Self-disconnecting module 2 comprises time setting unit 25, countdown unit 26, aobviousShow screen 24, digital signal generator 27, signal lamp performance element 28, red led 21, green instructionLamp 22, contactor performance element 29, manually connect button 23 and contactor 20, the described time is setUnit 25 connects countdown unit 26, and described countdown unit 26 connects respectively display screen 24 and data signalGenerator 27, described digital signal generator 27 connects respectively signal lamp performance element 28 and circuit is openedClose performance element 29, described signal lamp performance element 28 connects respectively red led 21 and green refers toShow lamp 22, described contactor performance element 29 and the manual equal connecting circuit switch 20 of button 23, the institute of being connectedThe contactor 20 of stating is linked on charging wire 41 circuits. Display screen 24 adopts LED display, and countdown certainlyThe shell of power-off modular 2 is glue shell or plastic housing, and wherein, time setting unit 25 is button input form, fallsTiming unit 26, digital signal generator 27, signal designation performance element 28, contactor performance element 29Formed by single-chip microcomputer and peripheral circuits thereof, and with time setting unit 25, display screen 24, red led 21,Green indicating lamp 22, manually connect button 23, contactor 20 is integrated on circuit board.
As shown in Figure 3, workflow of the present invention is as follows:
Step S1: user need to carry out digital the producing such as mobile phone, digital camera or the panel computer of USB chargingProduct are connected with charging end 3 of the present invention, and USB plug end 1 of the present invention is accessed to power supply, for example computerUSB interface;
Step S2: user gives countdown unit 26 by the time setting unit 25 of countdown Self-disconnecting module 2Set mobile phone and charge the required time, and start to carry out countdown, the time of setting is real-time in display screen 24Carry out countdown;
Step S3: in the time that countdown starts, user is by the manual connection button 23 of countdown Self-disconnecting module 2By contactor 20 closures, countdown unit 26 is by generating digital signal in digital signal generator 27" 1 ", just sends in charging instruction to signal lamp performance element 28 immediately, and red led 21 is bright,Expression power supply is just powered to the equipment of charging by the present invention;
Step S4: in the time that countdown completes, the countdown unit 26 of countdown Self-disconnecting module 2 is believed by numeralGenerating digital signal " 0 " in number generator 27, sends disconnecting circuit to contactor performance element 29 immediately and opensClose 20 instructions, contactor 20 carries out opening operation, signal lamp performance element 28 is sent and has been charged simultaneouslyInstruction, green indicating lamp 22 is bright, represents that the equipment of charging has completed the charging process under setting-up time.
Like this, the equipment of charging charges within the time of setting, after setting-up time finishes, and countdownSelf-disconnecting module 2 disconnects the power supply that the equipment of charging is powered, the battery mistake that can effectively evade equipment in timeFill, improve the security of equipment charge, and self is easy to carry.

Claims (5)

1. a USB charging connection wire that can countdown power-off, comprises USB plug end (1), charging end (3)And connecting line (4), it is characterized in that, also comprise countdown Self-disconnecting module (2), described connecting line (4)Comprise charging wire (41) and data wire (42), described charging wire (41) and data wire (42) two ends are divided equallyDo not connect USB plug end (1) and charging end (3), described countdown Self-disconnecting module (2) is linked into fillsOn electric wire (41) circuit, USB plug end (1) connects power supply, and charging end (3) connect charging equipment,Charge, countdown Self-disconnecting module (2) is controlled the connecting and disconnecting of the charging wire (41) of transmission of electricity;
Described countdown Self-disconnecting module (2) comprise time setting unit (25), countdown unit (26),Display screen (24), digital signal generator (27), signal lamp performance element (28), red led (21),Green indicating lamp (22), contactor performance element (29), manually connect button (23) and contactor (20),Described time setting unit (25) connects countdown unit (26), and described countdown unit (26) respectivelyConnect display screen (24) and digital signal generator (27), described digital signal generator (27) connects respectivelyConnect signal lamp performance element (28) and contactor performance element (29), described signal lamp is carried outUnit (28) connects respectively red led (21) and green indicating lamp (22), and described contactor is carried outUnit (29) and manual button (23) connecting circuit switch (20) respectively, the described contactor (20) of being connectedBe linked on charging wire (41) circuit;
The setting-up time information of countdown unit (26) time of reception setup unit (25) is also carried out countdown, aobviousShow that screen (24) receives the temporal information of countdown unit (26) and shows, manually connect button (23) will simultaneouslyContactor (20) closure, countdown unit (26) produce data signal by digital signal generator (27)" 1 ", signal lamp performance element (28) just sends in charging instruction, and red led (21) is bright, when fallingWhen timing finishes, countdown unit (26) produce data signal " 0 ", electricity by digital signal generator (27)Way switch performance element (29) sends circuit disconnect switch instruction, and contactor (20) disconnects, synchronous signal lampPerformance element (28) sends the instruction of having charged, and green indicating lamp (22) is bright.
2. a kind of USB charging connection wire that can countdown power-off according to claim 1, is characterized in that,Described display screen (24) adopts LED display.
3. a kind of USB charging connection wire that can countdown power-off according to claim 1, is characterized in that,The shell of described countdown Self-disconnecting module (2) is glue shell or plastic housing.
4. a kind of USB charging connection wire that can countdown power-off according to claim 1, is characterized in that,Described USB plug end (1) is USB male.
5. a kind of USB charging connection wire that can countdown power-off according to claim 1, is characterized in that,Described charging end (3) is mobile phone, digital camera or panel computer charging end.
CN201410228406.5A 2014-05-27 2014-05-27 A kind of USB charging connection wire that can countdown power-off Expired - Fee Related CN103972756B (en)

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Publication number Priority date Publication date Assignee Title
CN105119118B (en) * 2015-07-20 2017-10-24 青岛海信移动通信技术股份有限公司 A kind of USB charging wires
CN108011230A (en) * 2017-11-15 2018-05-08 协讯电子(吉安)有限公司 The USB data line that a kind of mobile phone is protected with auto-cutout
CN107910709A (en) * 2017-11-24 2018-04-13 谢育枝 A kind of intelligence power off patch board
CN108462232B (en) * 2018-03-23 2024-02-13 张会英 Data line

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CN2927353Y (en) * 2006-04-04 2007-07-25 陈建青 USB wire device with data-transmission and charging functions
CN202797513U (en) * 2012-10-10 2013-03-13 山东索尔电子科技有限公司 Cell phone charging socket
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