CN102163781B - Hub capable of realizing data transmission and charge simultaneously - Google Patents
Hub capable of realizing data transmission and charge simultaneously Download PDFInfo
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- CN102163781B CN102163781B CN 201110058488 CN201110058488A CN102163781B CN 102163781 B CN102163781 B CN 102163781B CN 201110058488 CN201110058488 CN 201110058488 CN 201110058488 A CN201110058488 A CN 201110058488A CN 102163781 B CN102163781 B CN 102163781B
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Abstract
The invention relates to the field of hubs and discloses a hub capable of realizing data transmission and charge simultaneously, comprising a universal serial bus (USB) input interface, a USB/direct-current (DC) port control module, a power supply circuit, a micro control unit (MCU) control chip and at least two USB output interfaces, wherein the power supply circuit is connected with the USB/DC port control module, the MCU control chip and the USB output interfaces; the MCU control chip is connected with the USB/DC port control module and the USB output interfaces; the MCU control chip is used for controlling the USB/DC port control module; and the USB input interface is connected with an external computer and the power supply circuit. The MCU control chip is utilized to control the power supply circuit, so that the hub achieves two functions of transmitting data and charging access equipment simultaneously without accessing to alternating-current mains supply, thus bringing convenience to users.
Description
Technical field
The present invention relates to hub, relate in particular to the hub of a kind of while transfer of data and charging.
Background technology
In the prior art, hub is a kind ofly not need any software support or only need the seldom hardware device of management software management, so it is widely applied to various occasions.Simultaneously, a lot of technical staff of the prior art is also constantly studying hub widely, be 200820146973.6 as application number, Granted publication number is for putting down in writing in the patent of CN201290022Y: " a kind of charging hub of portable terminal; comprise the interchange input interface; at least two USB charging output interfaces; be connected the electric current and voltage control module between above-mentioned interchange input interface and the USB charging output interface; above-mentioned electric current and voltage control module comprises voltage-current converter circuit; the alternating current that above-mentioned voltage-current converter circuit is used for exchanging the input interface input is converted to portable terminal charging normal voltage and electric current outputs to the USB output interface that charges.The utility model can make things convenient for the charging of mobile phone users ".
Yet use hub to carry out transfer of data in the general prior art no matter be, still Granted publication number is to use hub to be cell-phone charging in the patent of CN201290022Y, all can only use one of them function separately, transfer of data or charging have so just limited the scope of application of hub.And in actual applications, the user is many times needing to realize simultaneously transfer of data and is being two kinds of functions of portable terminal charging.Simultaneously number be the 4th page of capable record of 1-6 of patent specification of CN201290022Y according to Granted publication: " the utility model has designed a kind of charger that is integrated with a plurality of USB interface; inserts by electric main; change through internal circuit; export with USB interface, the user can directly be connected on this hub the usb data line to cell-phone charging.The utility model can be applied in mobile phone users close quarterses such as office, commercial hall easily." by foregoing description we as can be seen; in the prior art; when using hub as cell-phone charging; must external electric main; and do not have electric main sometimes; on means of transportations such as train, aircraft, perhaps needing to be embodied as portable terminal under the power-off condition charges, and these all are that prior art can't realize.
Summary of the invention
Therefore technical problem at the transfer of data that can only use hub that exists in the prior art or charge function and the necessary external electric main of use hub singlely is necessary to provide a kind of hub that can realize transfer of data and charging simultaneously.
The invention discloses the hub of a kind of while transfer of data and charging, comprise USB input interface, USB/DC port controlling module, power supply circuits, MCU control chip, at least two USB output interfaces; Above-mentioned power supply circuits connect USB/DC port controlling module, MCU control chip, USB output interface; Above-mentioned MCU control chip connects USB/DC port controlling module, USB output interface; Above-mentioned MCU control chip is used for control USB/DC port controlling module; Above-mentioned USB input interface connects external computer, power supply circuits.
Preferably, comprise triode in the above-mentioned USB/DC port controlling modular circuit, whether allow to transmit data by the conducting of MCU control chip control triode or by control USB output interface.
Preferably, above-mentioned power supply circuits comprise VBUS, the 8th triode, and above-mentioned VBUS powers be used for for the MCU control chip and controls the conducting of the 8th triode or end.
Preferably, above-mentioned hub comprises interchange input interface and DC power supply, and above-mentioned interchange input interface connects the DC power supply, is used for to USB output interface or the power supply of MCU control chip.
Preferably, above-mentioned USB input interface is the Mini USB interface.
Preferably, above-mentioned USB output interface is the USB female.
Preferably, above-mentioned DC power input voltage is 5V.
Beneficial effect of the present invention is: by MCU control chip control power supply road, make under the situation that does not need the incoming transport civil power, realize the transfer of data of hub simultaneously and to two kinds of functions of access device charging, convenient for users to use, make the user when carrying out transfer of data, also can use hub of the present invention to charge easily, even even can be cell-phone charging by computer also not having under the situation of electric main.
Description of drawings
Fig. 1 is shown in the structure principle chart of hub of the present invention.
Fig. 2 is that the circuit of hub of the present invention is realized figure.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with Figure of description.
The at first basic vocabulary that will hereinafter the use explanation that makes an explanation.The English of hub is called " Hub "." Hub " is that " meaning of " center ", the major function of hub are that the shaping of regenerating is to the received signal amplified, and to enlarge the transmission range of network, simultaneously all nodes are concentrated on the node centered by it.USB is English Universal Serial BUS(USB) abbreviation, " logical getting lines crossed is being an external bus standard, is used for being connected and communication of standard computer and external equipment, is the interfacing that is applied in the PC field and its Chinese abbreviates as.Direct current (Direct Current, be called for short DC) is finger direction and time not to make periodically variable electric current, but size of current may not fix, and produces waveform, claims constant current again.The circuit that is passed through claims DC circuit, is the closed galvanic circle that is made of DC power supply and resistance.On the other side is AC (Alternating Current) alternating current.MCU (Micro Control Unit) Chinese is micro-control unit, claim one chip microcomputer (Single Chip Microcomputer) or single-chip microcomputer again, refer to appearance and development thereof along with large scale integrated circuit, CPU, RAM, ROM, timer conter and the multiple I/O interface of computer are integrated on a slice chip, form the computer of chip-scale, for doing various combination control in different application scenarios.Triode, diode etc., known for those skilled in the art, do not repeat them here the concrete structure of these circuit.
Shown in the structure principle chart of Fig. 1 hub, the invention discloses the hub of a kind of while transfer of data and charging, comprise USB input interface, USB/DC port controlling module, power supply circuits, MCU control chip, at least two USB output interfaces; Above-mentioned power supply circuits connect USB/DC port controlling module, MCU control chip, USB output interface; Above-mentioned MCU control chip connects USB/DC port controlling module, USB output interface; Above-mentioned MCU control chip is used for control USB/DC port controlling module; Above-mentioned USB input interface connects external computer, power supply circuits.Disclosed hub of the present invention can be under the situation that does not need the incoming transport civil power, realizes transfer of data simultaneously and to two kinds of functions of access device charging.
Preferably, comprise triode in the above-mentioned USB/DC port controlling modular circuit, whether allow to transmit data by the conducting of MCU control chip control triode or by control USB output interface.
Preferably, above-mentioned power supply circuits comprise that also (VBUS refers to a kind of network title in the circuit diagram to VBUS, the Chinese meaning is the USB voltage bus), the 8th triode (Q8), above-mentioned VBUS is used for giving the MCU control chip to power and controls (Q8) conducting of the 8th triode or end.
Realize shown in the figure as the circuit of Fig. 2 hub, USB interface USB0 imports from computer, VBUS has 5V voltage (to define self-powered and bus-powered dual mode in the USB standard, adopt self-powered, 5V voltage be provided on VBUS always) give MCU control chip (U1) power supply, VBUS controls the 8th triode Q8 conducting, the Power Groud PGND that is communicated with MCU control chip (U1), the Power Groud PGND of (U1) is connected to ground wire, makes the MCU can normal power supply, carry out data and handle; Give USB output interface: USB1-USB7 power supply by diode D1.Simultaneously VBUS controls the 9th triode Q9 conducting--〉the 11 triode Q11 and ends--〉and first to the 7th triode Q1-Q7 ends, and allows USB output interface transmission data.Handle by MCU control chip (U1) data like this and VBUS control, computer can carry out transfer of data with the USB connection device simultaneously or charge to access device simultaneously.
Preferably, above-mentioned hub also comprises interchange input interface and DC power supply, and above-mentioned interchange input interface connects the DC power supply, is used for to USB output interface or the power supply of MCU control chip.When computer and DC power supply inserted simultaneously, computer USB interface USB0 gave MCU control chip (U1) power supply, and diode D1 ends simultaneously, gave the power supply of USB output interface by the DC power supply, like this can the reinforcing band loading capability.Make USB interface can insert powerful devices such as portable hard drive.
Preferably, above-mentioned USB output interface also comprises the LED indicating circuit, and whether be used to indicate access device is the usb data memory device.
Preferably, above-mentioned USB input interface is the Mini USB interface.USB interface is divided into three kinds: interface type A: occur at PC usually; Interface type B: occur in USB device usually; Mini USB: use through equipment such as the mobile phone of being everlasting, digital camera and video camera, portable hard drives.Hub of the present invention is general main to be to data storage devices such as cell-phone charging and external USB flash disks.
Preferably, above-mentioned USB output interface is the USB female.
Preferably, above-mentioned DC power input voltage is 5V, input current is 3.5A generally speaking, this moment is when having only the DC power supply to insert from exchanging input interface, the VBUS no-voltage, the 9th triode (Q9) ends--〉the 11 triode (Q11) conducting--〉the tenth triode (Q10) conducting, the the 3rd to the 5th diode D3-D5 voltage stabilizing, give MCU control chip (U1) power supply through second diode (D2), first to the 7th triode Q1-Q7 conducting simultaneously, MCU control chip (U1) is adjusted the voltage of two the data terminals in centre of USB output interface USB1-USB7 according to different brands model mobile phone, give cell-phone charging, and corresponding indicator light is bright, and this moment, the maximum output current of single port was 1000mA.
More than above-mentioned specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; more than above-mentioned only be specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the hub of transfer of data and a charging simultaneously is characterized in that comprising USB input interface, USB/DC port controlling module, power supply circuits, MCU control chip, at least two USB output interfaces; Described power supply circuits connect USB/DC port controlling module, MCU control chip, USB output interface; Described MCU control chip connects USB/DC port controlling module, USB output interface; Described MCU control chip is used for control USB/DC port controlling module; Described USB input interface connects external computer, power supply circuits; Comprise triode in the described USB/DC port controlling modular circuit, whether allow to transmit data by the conducting of MCU control chip control triode or by control USB output interface.
2. the hub of stating as claim 1 is characterized in that described power supply circuits comprise VBUS, the 8th triode, and described VBUS powers be used for for the MCU control chip and controls the conducting of the 8th triode or end.
3. the hub of stating as claim 2 is characterized in that described hub comprises interchange input interface and DC power supply, and described interchange input interface connects the DC power supply, is used for to USB output interface or the power supply of MCU control chip.
4. the hub of stating as claim 1 is characterized in that described USB input interface is the Mini USB interface.
5. the hub of stating as claim 1 is characterized in that described USB output interface is the USB female.
6. the hub of stating as claim 3 is characterized in that described DC power input voltage is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110058488 CN102163781B (en) | 2011-03-11 | 2011-03-11 | Hub capable of realizing data transmission and charge simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110058488 CN102163781B (en) | 2011-03-11 | 2011-03-11 | Hub capable of realizing data transmission and charge simultaneously |
Publications (2)
| Publication Number | Publication Date |
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| CN102163781A CN102163781A (en) | 2011-08-24 |
| CN102163781B true CN102163781B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110058488 Active CN102163781B (en) | 2011-03-11 | 2011-03-11 | Hub capable of realizing data transmission and charge simultaneously |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI547952B (en) * | 2014-10-07 | 2016-09-01 | 新唐科技股份有限公司 | Controlling device, controlled device, and operating method |
| CN105140990A (en) * | 2015-08-27 | 2015-12-09 | 徐业友 | Power supply device with data transmission function |
| CN108984455A (en) * | 2018-09-21 | 2018-12-11 | 深圳市格劳瑞电子有限公司 | A kind of USB interface control device and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM249310U (en) * | 2003-11-27 | 2004-11-01 | Good Way Technology Co Ltd | USB hub structure improvement |
| CN2882032Y (en) * | 2006-02-14 | 2007-03-21 | 翼庆企业股份有限公司 | USB concentrator |
| CN201689379U (en) * | 2010-04-28 | 2010-12-29 | 谭志明 | USB-interface power supply device |
| CN201742144U (en) * | 2010-05-21 | 2011-02-09 | 系统电子工业股份有限公司 | Mobile standby power supply unit |
| CN201742147U (en) * | 2010-05-21 | 2011-02-09 | 系统电子工业股份有限公司 | Mobile backup power supply device with power supply management function |
| CN202076618U (en) * | 2011-03-11 | 2011-12-14 | 四川品胜电子有限公司 | Concentrator for transmitting data and charging simultaneously |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080083928A (en) * | 2007-03-14 | 2008-09-19 | (주)신명디지탈 | Multifunctional portable usb hub equipment and using it method of data backup |
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2011
- 2011-03-11 CN CN 201110058488 patent/CN102163781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM249310U (en) * | 2003-11-27 | 2004-11-01 | Good Way Technology Co Ltd | USB hub structure improvement |
| CN2882032Y (en) * | 2006-02-14 | 2007-03-21 | 翼庆企业股份有限公司 | USB concentrator |
| CN201689379U (en) * | 2010-04-28 | 2010-12-29 | 谭志明 | USB-interface power supply device |
| CN201742144U (en) * | 2010-05-21 | 2011-02-09 | 系统电子工业股份有限公司 | Mobile standby power supply unit |
| CN201742147U (en) * | 2010-05-21 | 2011-02-09 | 系统电子工业股份有限公司 | Mobile backup power supply device with power supply management function |
| CN202076618U (en) * | 2011-03-11 | 2011-12-14 | 四川品胜电子有限公司 | Concentrator for transmitting data and charging simultaneously |
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| CN102163781A (en) | 2011-08-24 |
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