CN201290022Y - Charging hubs for mobile terminal - Google Patents
Charging hubs for mobile terminal Download PDFInfo
- Publication number
- CN201290022Y CN201290022Y CNU2008201469736U CN200820146973U CN201290022Y CN 201290022 Y CN201290022 Y CN 201290022Y CN U2008201469736 U CNU2008201469736 U CN U2008201469736U CN 200820146973 U CN200820146973 U CN 200820146973U CN 201290022 Y CN201290022 Y CN 201290022Y
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Abstract
The utility model discloses a charging hub of a mobile terminal, which comprises an alternating current input interface, at least two USB charging output interfaces, and a voltage and current control module connected between the alternating current input interface and the USB charging output interfaces, wherein the voltage and current control module comprises a voltage and current converting circuit; the voltage and current converting circuit is used for converting alternate current input by the alternating current input interface into charging standard voltage and current of the mobile terminal, and the charging standard voltage and current is output to the USB charging output interfaces. The utility model can be convenient for users of the mobile terminal to charge.
Description
Technical field
The utility model relates to field of mobile terminals, specifically, relates to a kind of charging hub of portable terminal.
Background technology
Present portable terminal (mobile phone) charger national standard requires to support the USB charging, the mobile phone that satisfies GB generally all has usb data line and traveling charger in accessory, the user can use traveling charger to give cell-phone charging, also the usb data line can be inserted in the equipment (for example PC) that has standard USB interface and go up to cell-phone charging.
Two kinds of above-mentioned charging modes, the traveling charger charging modes need be carried traveling charger, is not convenient especially.By contrast, usb data line charging modes only needs a usb data line, carries more convenient than traveling charger; Particularly along with the expansion of mobile terminal stores capacity, the user usually needs to utilize the usb data line to realize the data interaction of equipment such as portable terminal and PC, this makes that usb data line purposes is more extensive, thereby has more increased and utilize the usb data line to carry out convenience for charging.
Yet,, be not to find the equipment that has standard USB interface to use usb data line charging modes that portable terminal is charged at any time, thereby limited the use of usb data line charging modes for the user at present for the user.
The utility model content
In view of this, the utility model proposes a kind of charging hub of portable terminal, can offer mobile phone users USB charging port and charge, be user-friendly to usb data line charging modes.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of charging hub of portable terminal, comprise and exchange input interface, at least two USB charging output interfaces, be connected the electric current and voltage control module between described interchange input interface and the USB charging output interface, described electric current and voltage control module comprises voltage-current converter circuit, the alternating current that described 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 USB charging output interface.
Described charging hub, described at least two USB charging output interface is concentrated and is arranged on the interface block.
Described charging hub, described at least two USB charging output interface is the USB female.
Described charging hub has both output current difference at least in the described USB charging output interface.
Described charging hub, described electric current and voltage control module also comprises the protection control unit.
Described charging hub, described protection control unit comprises at least a circuit in overvoltage crowbar, filter circuit, current foldback circuit and the short-circuit protection circuit.
Described charging hub, described hub also comprises ESD protection circuit, described ESD protection circuit links to each other with described electric current and voltage control module, is used for the charging hub is implemented static discharge.
Described charging hub; described hub also comprises the high temperature protection circuit; described high temperature protection circuit links to each other with described electric current and voltage control module, is used for the working temperature of monitoring voltage current control module and when excess temperature described electric current and voltage control module is implemented high temperature protection.
Described charging hub, described portable terminal are mobile phone, smart mobile phone or personal digital assistant device.
The utility model makes the user directly the usb data line to be connected on this hub cell-phone charging by designing a kind of charging hub that is integrated with a plurality of USB interface.The user need not traveling charger is with at one's side at any time, only need have the usb data line can finish charging, and it is convenient to charge.Also can charge simultaneously by a plurality of mobile phones, saved the alternating current output port.
Description of drawings
Fig. 1 is the shape assumption diagram of charging output of the charging hub of the utility model embodiment;
Fig. 2 is the cut-away view of the charging hub of the utility model embodiment.
Embodiment
Contrast accompanying drawing and the utility model is further elaborated below in conjunction with embodiment.
The charging hub of the utility model embodiment is mainly used in to portable terminal usb data line charging modes is provided.Portable terminal as herein described comprises such as various terminal equipments such as mobile phone, smart mobile phone, personal digital assistants, hereinafter only is that example describes with the mobile phone.As shown in Figure 1, a plurality of USB interface that the charging hub of the utility model embodiment is integrated, a plurality of USB interface can be concentrated and be arranged on the interface block, and be set to the USB female, certainly, for purposes widely is provided, USB male interface can be set also.Exchanging input interface one end (not output among the figure), by the incoming transport civil power,, electric main is converted to cell-phone charging voltage through the internal circuit conversion, by illustrated USB interface output, the user can directly be connected on this hub the usb data line to cell-phone charging.
Output does not require necessary identical the charging voltage that a plurality of charging output USB interface on the charging hub provide with electric current, it can fill specification with reference to trip commonly used, the charging output of multiple different size is provided for the user, for example: 5V/500mA, 5V/1000mA etc., it is cell-phone charging that the charging specification that the user is equipped with according to mobile phone is selected corresponding interface.
As shown in Figure 2, the internal structure of the charging hub of the utility model embodiment comprises:
1, exchanges input interface, be used to insert the 220V electric main;
2, electric current and voltage control module is used for electric current and voltage is implemented various control and managements, for example transformation, rectification, charge protection or the like, and its main electric current and voltage conversion and control function is provided by voltage-current converter circuit wherein, specifically can comprise:
1) step-down transformation module with the step-down of 220V alternating current, is for example reduced to the 24V alternating current;
2) rectification module converts the alternating current after the step-down to direct current;
3) voltage control module, the output given voltage, in this example, given voltage is set at 5V.
4) current control module, the control output current can provide the output of 500mA electric current by illustrated current control module 1 respectively, and current control module 2 provides the output of 1000mA electric current.Certainly, output current also can be other standard figures, does not also limit above-mentioned two kinds of charging currents simultaneously, can expand according to actual needs.
The electric current and voltage control module also provides the defencive function of electric current and voltage by the protection control unit, wherein, for voltage protection, can comprise overvoltage crowbar and filter circuit, so that overvoltage protection and ripple inhibit feature to be provided; For current protection, can comprise overcurrent protection electric current and short-circuit protection circuit, so that overcurrent protection and short-circuit protection function to be provided.
For further improving the charge protection function of charging hub; except that above functional module; protective circuits such as ESD (ElectronStatic Discharge, static discharge) protective circuit, high temperature protection circuit also can have been designed so that defencive functions such as electrostatic discharge (ESD) protection, high temperature protection to be provided in hub inside.
The correlation function circuit of the various conversion and control of electric current and voltage control module, protection control and esd protection circuit, high temperature protection circuit or the like are well known to those skilled in the art, and do not repeat them here the concrete structure of these circuit.
The utility model has designed a kind of charging hub that is integrated with a plurality of USB interface, inserts by electric main, and through the internal circuit conversion, with USB interface output, the user can directly be connected on this hub the usb data line to cell-phone charging.Owing to be integrated with a plurality of USB interface, can charge simultaneously by a plurality of mobile phones, saved the alternating current output port.The user need not traveling charger is with at one's side at any time, only need have the usb data line can finish charging, and it is convenient to charge.The utility model can be applied in mobile phone users close quarterses such as office, commercial hall easily.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (9)
1. the charging hub of a portable terminal, it is characterized in that, comprise and exchange input interface, at least two USB charging output interfaces, be connected the electric current and voltage control module between described interchange input interface and the USB charging output interface, described electric current and voltage control module comprises voltage-current converter circuit, the alternating current that described 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 USB charging output interface.
2. charging hub as claimed in claim 1 is characterized in that, described at least two USB charging output interface is concentrated and is arranged on the interface block.
3. charging hub as claimed in claim 2 is characterized in that, described at least two USB charging output interface is the USB female.
4. charging hub as claimed in claim 1 is characterized in that, has both output current differences in the described USB charging output interface at least.
5. charging hub as claimed in claim 1 is characterized in that, described electric current and voltage control module also comprises the protection control unit.
6. charging hub as claimed in claim 5 is characterized in that, described protection control unit comprises at least a circuit in overvoltage crowbar, filter circuit, current foldback circuit and the short-circuit protection circuit.
7. charging hub as claimed in claim 1 is characterized in that described hub also comprises ESD protection circuit, and described ESD protection circuit links to each other with described electric current and voltage control module, is used for the charging hub is implemented static discharge.
8. charging hub as claimed in claim 1; it is characterized in that; described hub also comprises the high temperature protection circuit; described high temperature protection circuit links to each other with described electric current and voltage control module, is used for the working temperature of monitoring voltage current control module and when excess temperature described electric current and voltage control module is implemented high temperature protection.
9. as the arbitrary described charging hub of claim 1 to 8, it is characterized in that described portable terminal is mobile phone, smart mobile phone or personal digital assistant device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201469736U CN201290022Y (en) | 2008-08-29 | 2008-08-29 | Charging hubs for mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201469736U CN201290022Y (en) | 2008-08-29 | 2008-08-29 | Charging hubs for mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201290022Y true CN201290022Y (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201469736U Expired - Lifetime CN201290022Y (en) | 2008-08-29 | 2008-08-29 | Charging hubs for mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN201290022Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078359A (en) * | 2011-10-25 | 2013-05-01 | 三星电子株式会社 | Apparatus and method for controlling charge current in portable terminal |
| CN103545889A (en) * | 2013-10-25 | 2014-01-29 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charging control method |
| CN105553022A (en) * | 2016-01-13 | 2016-05-04 | 深圳市龙威盛电子科技有限公司 | Charging terminal |
| CN107562168A (en) * | 2017-09-12 | 2018-01-09 | 深圳凯晖电子科技有限公司 | Power supply adaptor with usb data read-write |
| CN108062286A (en) * | 2016-11-07 | 2018-05-22 | 全汉企业股份有限公司 | Universal serial bus concentrator |
| CN112968428A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Test switching protection plate and test method |
-
2008
- 2008-08-29 CN CNU2008201469736U patent/CN201290022Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078359A (en) * | 2011-10-25 | 2013-05-01 | 三星电子株式会社 | Apparatus and method for controlling charge current in portable terminal |
| US9509165B2 (en) | 2011-10-25 | 2016-11-29 | Samsung Electronics Co., Ltd. | Apparatus and method for controlling charge current in portable terminal |
| CN103078359B (en) * | 2011-10-25 | 2018-04-06 | 三星电子株式会社 | Apparatus and method for controlling the charging current in portable terminal |
| CN103545889A (en) * | 2013-10-25 | 2014-01-29 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charging control method |
| CN103545889B (en) * | 2013-10-25 | 2016-05-11 | Tcl通讯（宁波）有限公司 | USB charging system, charger, mobile terminal and charge control method |
| CN105553022A (en) * | 2016-01-13 | 2016-05-04 | 深圳市龙威盛电子科技有限公司 | Charging terminal |
| CN108062286A (en) * | 2016-11-07 | 2018-05-22 | 全汉企业股份有限公司 | Universal serial bus concentrator |
| CN108062286B (en) * | 2016-11-07 | 2021-01-08 | 全汉企业股份有限公司 | Universal serial bus concentrator |
| CN107562168A (en) * | 2017-09-12 | 2018-01-09 | 深圳凯晖电子科技有限公司 | Power supply adaptor with usb data read-write |
| WO2019051997A1 (en) * | 2017-09-12 | 2019-03-21 | 深圳凯晖电子科技有限公司 | Power adapter with usb data reading and writing function |
| CN112968428A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Test switching protection plate and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090812 |
|
| CX01 | Expiry of patent term |