CN202004508U - USB (universal serial bus) hub-type mobile charging power supply device - Google Patents
USB (universal serial bus) hub-type mobile charging power supply device Download PDFInfo
- Publication number
- CN202004508U CN202004508U CN2011200954844U CN201120095484U CN202004508U CN 202004508 U CN202004508 U CN 202004508U CN 2011200954844 U CN2011200954844 U CN 2011200954844U CN 201120095484 U CN201120095484 U CN 201120095484U CN 202004508 U CN202004508 U CN 202004508U
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- usb
- hub
- power supply
- input
- mobile charging
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Abstract
The utility model provides a USB (universal serial bus) hub-type mobile charging power supply device, which comprises a USB uplink interface, a plurality of USB downlink interfaces, a HUB control chip, a power supply control circuit and charging detection circuits, wherein the input end of the USB uplink interface is connected with the input end of the HUB control chip, the USB downlink interfaces are respectively connected with the power supply control circuit through Vbuses, the input ends of the USB downlink interfaces are respectively connected with the input end of the HUB control chip, the input end of each USB downlink interface is connected with the input end of one charging detection circuit, and the charging detection circuits are connected with the input end of the power supply control circuit. Each downlink interface of the USB hub-type mobile charging power supply device can provide 1.8A, 1.5A, 900mA, 500mA or 100mA current, alternating-current to direct-current conversion and voltage stabilization can be realized, and multiple downlink interfaces can be provided for multiple USB equipment to use.
Description
Technical field
The utility model belongs to technical field of electronic products, is specifically related to a kind of usb hub formula mobile charging electric supply installation.
Background technology
For the charging inlet of realizing consumption electronic product and the unification of scheme, also for the versatility of the charger that can realize different manufacturers.USB association has released the use USB interface in 2007, control and realize charging and power supply to consumption electronic product by a series of interface protocols.This protocol specification the interface of charger and electronic equipment, communications protocol, and charging current specification.Simultaneously, this agreement also standard the characteristic of charger, parameter etc.Special charger can provide maximum 1.8A charging current.The USB charger can provide 900mA to the 1.8A charging current, and its size depends on connection speed: at a high speed, and full speed and low speed.Maximum 900mA can be provided when connecting at a high speed, 1.8A can be reached when full speed and low speed.For the concrete application form of charger, this agreement does not go through.For the while quick charge, each mobile phone all needs to be equipped with a special charger, and charger only is used for charging, and certain waste is arranged technically.
Summary of the invention
The purpose of this utility model provides a kind of usb hub formula mobile charging electric supply installation, and each down going port all meets the USB interface charging agreement of USB association, and just each down going port can provide 1.8A, 1.5A, 900mA, the electric current of 500mA or 100mA.
The technical scheme that the utility model adopted is that a kind of usb hub formula mobile charging electric supply installation comprises a USB up going port, a plurality of USB down going port, HUB control chip, power control circuit and charging testing circuit; The input of USB up going port is connected with the input of HUB control chip; A plurality of USB down going port are connected with power control circuit by the Vbus line respectively; The input of a plurality of USB down going port is connected with the input of HUB control chip respectively, and the input of each USB down going port also with one the charging testing circuit input be connected, a plurality of charging testing circuits are connected with the input of power control circuit.
Wherein, also be provided with the alternating current interface on the usb hub formula mobile charging electric supply installation.
The beneficial effects of the utility model are, can realize AC-DC conversion, and voltage stabilizing provide a plurality of down going port to use for a plurality of USB device, and each down going port can both provide the charging current of maximum 1.8A.
Description of drawings
Fig. 1 is the external structure vertical view of the utility model usb hub formula mobile charging electric supply installation;
Fig. 2 is the external structure upward view of the utility model usb hub formula mobile charging electric supply installation;
Fig. 3 is the structural representation of the utility model usb hub formula mobile charging electric supply installation.
Among the figure, 1. USB up going port, 2. USB down going port, 3. alternating current interface, 4.HUB control chip, 5. power control circuit, 6. charging testing circuit.
Embodiment
As shown in Figure 1, the utility model provides a kind of usb hub formula mobile charging electric supply installation, comprises a USB up going port 1 and a plurality of USB down going port 2.As shown in Figure 2, also be provided with alternating current interface 3 on the utility model usb hub formula mobile charging electric supply installation, be two-phase alternating current electrical interface or three-phase alternating current electrical interface.
As shown in Figure 3, the utility model provides a kind of usb hub formula mobile charging electric supply installation, comprises a USB up going port 1, a plurality of USB down going port 2, HUB control chip 4, power control circuit 5 and charging testing circuit 6; The input of USB up going port 1 is connected with the input of HUB control chip 4; A plurality of USB down going port 2 are connected with power control circuit 5 by the Vbus line respectively; The input of a plurality of USB down going port 2 is connected with the input of HUB control chip 4 respectively; The input of each USB down going port 2 also is connected with the input of a charging testing circuit 6, and a plurality of charging testing circuits 6 are connected with the input of power control circuit 5.Charging testing circuit 6 is to be used for detecting the equipment that USB down going port 2 connects whether to need charging: if need charging, charging testing circuit 6 can be controlled power control circuit 5 and carry the electric current of corresponding size to give this USB down going port 2.Carry size of current also to depend on and have or not USB to connect and the connection speed state.
Each down going port 2 of the utility model usb hub formula mobile charging electric supply installation all meets the USB interface charging agreement of USB association.Each down going port can provide 1.8A, 1.5A, and 900mA, 500mA or 100mA electric current, the size of current that is provided depends on the type and the communication speed of the USB device that it connects.Form 1 has been listed device type and the connection speed relation table to the utility model down going port 2 supply current sizes in detail:
When USB device meet USB association the charging standard and and the utility model usb hub formula mobile charging electric supply installation when carrying out communication, USB device can be drawn 0.9A and 1.5A electric current from the utility model usb hub formula mobile charging electric supply installation; If USB device and the utility model usb hub formula mobile charging electric supply installation are not set up any communication link, USB device can be drawn the 1.8A electric current from the utility model usb hub formula mobile charging electric supply installation.
When USB device did not meet the USB interface charging standard of USB association, no matter communication speed how, the USB device maximum was drawn the 0.5A electric current from the utility model usb hub formula mobile charging electric supply installation.
All USB device, in case set up the USB communication link with the utility model usb hub formula mobile charging electric supply installation, USB device can carry out carrying out large current charge in the communication with the utility model.
When not connecing AC power, the utility model usb hub formula mobile charging electric supply installation can be used as generic USB HUB and uses (carrying out the transfer of data of main equipment and slave unit).
Claims (2)
1. a usb hub formula mobile charging electric supply installation is characterized in that: comprise a USB up going port (1), a plurality of USB down going port (2), HUB control chip (4), power control circuit (5) and charging testing circuit (6); The input of USB up going port (1) is connected with the input of HUB control chip (4); Described a plurality of USB down going port (2) are connected with power control circuit (5) by the Vbus line respectively; The input of described a plurality of USB down going port (2) is connected with the input of HUB control chip (4) respectively, and the input of each USB down going port (2) also is connected with the input of a charging testing circuit (6), and a plurality of charging testing circuits (6) are connected with the input of power control circuit (5).
2. usb hub formula mobile charging electric supply installation according to claim 1 is characterized in that: also be provided with alternating current interface (3) on the described usb hub formula mobile charging electric supply installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200954844U CN202004508U (en) | 2011-04-02 | 2011-04-02 | USB (universal serial bus) hub-type mobile charging power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200954844U CN202004508U (en) | 2011-04-02 | 2011-04-02 | USB (universal serial bus) hub-type mobile charging power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004508U true CN202004508U (en) | 2011-10-05 |
Family
ID=44707234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200954844U Expired - Fee Related CN202004508U (en) | 2011-04-02 | 2011-04-02 | USB (universal serial bus) hub-type mobile charging power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004508U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801057A (en) * | 2012-08-03 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Improved USB power supply structure |
| CN105098548A (en) * | 2015-09-07 | 2015-11-25 | 贵州中航电梯有限公司 | Intelligent portable junction box |
| CN105576733A (en) * | 2015-02-11 | 2016-05-11 | 深圳酷派技术有限公司 | Quick charging method, charger and terminal |
| WO2018210146A1 (en) * | 2017-05-15 | 2018-11-22 | 深圳市蓝禾技术有限公司 | Charging method for charging device, and charging device |
-
2011
- 2011-04-02 CN CN2011200954844U patent/CN202004508U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801057A (en) * | 2012-08-03 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Improved USB power supply structure |
| CN105576733A (en) * | 2015-02-11 | 2016-05-11 | 深圳酷派技术有限公司 | Quick charging method, charger and terminal |
| CN105576733B (en) * | 2015-02-11 | 2018-07-27 | 深圳酷派技术有限公司 | A kind of method of quick charge, charger and terminal |
| CN105098548A (en) * | 2015-09-07 | 2015-11-25 | 贵州中航电梯有限公司 | Intelligent portable junction box |
| WO2018210146A1 (en) * | 2017-05-15 | 2018-11-22 | 深圳市蓝禾技术有限公司 | Charging method for charging device, and charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20130402 |