CN2496067Y - Serial bus interface structure for charging peripheral device whether its power is on or off - Google Patents
Serial bus interface structure for charging peripheral device whether its power is on or off Download PDFInfo
- Publication number
- CN2496067Y CN2496067Y CN 01260075 CN01260075U CN2496067Y CN 2496067 Y CN2496067 Y CN 2496067Y CN 01260075 CN01260075 CN 01260075 CN 01260075 U CN01260075 U CN 01260075U CN 2496067 Y CN2496067 Y CN 2496067Y
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- China
- Prior art keywords
- power supply
- usb
- charging
- motherboard
- power
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- Expired - Lifetime
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- Y02E60/12—
Abstract
The utility model relates to a structure that a serial bus interface can supply the charging for a peripheral device irrespective of start-up and closed-down, an electric conducting wire is added, a diode is connected in series, a +5VDC (5 voltage direct current) standby power supply of a 9 connection point of a power connector of an ATX host machine board is led to a +5VDC (power supply) connection point of a USB interface socket; or the power output terminal of a key board and a pointing device (a mouse) is connected to the +5VDC connection point of the USB interface socket by one switchover head; or the host machine board is updated; or a +5VDC standby power output terminal is connected to the +5VDC connection point of the USB interface socket by a control circuit; or a control circuit is increased in a USB line concentrator with a standby power supply or a power supply system structure is updated, to enable at least one USB socket of the power supply system structure to have the power supply function.
Description
Technical field
The utility model is USB (universal serial bus) interface of relevant PC (PC), no matter especially relevant making under USB interface start or the shutdown situation all can provide the structure of peripheral device charging.
Background technology
General as running gears such as PDA personal digital assistants, if built-in rechargeable battery is arranged, other charge power supply or cradle must be arranged for its charging.If running gear need often be connected PC and go up swap date, though can utilize the USB interface of PC to provide+current charges of 5VDC, PC must start shooting always and finish up to charging, otherwise after the shutdown, promptly can't continue charging, causes charging not exclusively; And the charging current that USB interface provides is general all less than 0.5A (ampere), makes the speed of running gear charging very slow, needs the cost long time; So utilize PC prior USB interface to make the mode of running gear charging very inconvenient and impracticable.
Fundamental purpose of the present utility model, no matter provide the structure that a kind of USB interface PC start or shutdown all can provide the peripheral device charging, no matter make USB interface under the situation of PC start or shutdown, the function of running gear charging all can be provided, and have bigger charging current and save a power consumption device with energy savings to save the deployment cost of duration of charging and charger, to reach.
The utility model content
No matter a kind of USB interface switching on and shutting down that the utility model provides all can provide the structure of peripheral device charging, comprise that planting structure by following plural number chooses one of them:
A. the structure that connects of wire jumper:
One conductor wire or a control loop are connected in the contact that standby power is provided in the power supply connector in the PC motherboard, and between the power supply of the usb socket supply contact;
B. install the structure that connects:
One conductor wire or a control loop are connected in the power output end of the device that has standby power on the PC, and between the power supply of the usb socket supply contact;
C. revise the structure of motherboard:
One control loop is connected between the power supply supply contact of PC standby power in the motherboard and usb socket, and this control loop is that design is in host board structure; And
D. it has the structure of the HUB (usb hub) of independent current source:
Between the USB socket and supply socket of HUB, connect a conductor wire or a control loop, to provide USB socket after the PC shutdown, to have the power supply of charging, or the system architecture of modification HUB, on the circuit board of HUB, directly be provided with the structure of above-mentioned control loop, make at least one USB socket after the PC shutdown, have the power supply of charging.
Wherein this control loop comprises one of electronic component of restrictions such as being connected in series a diode (Diode) or crystal (Power Mos) or transistor (Transistor) or controllable current direction.
Wherein this C revises the structure of motherboard, comprises with wafer set exporting standby power control integration relevant on the motherboard to USB interface.
Wherein the motherboard in the structure of the structure of this A wire jumper connection and C modification motherboard is an ATX type motherboard.
Wherein the device with standby power in the structure of this B device connection is keyboard or indicator device.
The outside of this keyboard or the indicator device adapter of pegging graft wherein, power output end in the adapter inboard, one of electronic component that is connected in series restriction such as a diode, crystal or transistor or controllable current direction with a conductor wire are connected on the power supply supply contact of usb socket.
Description of drawings
Other purposes of the present utility model, effect and embodiment see also accompanying drawing and are described in detail as follows, wherein:
Fig. 1 is a usb socket contact function declaration synoptic diagram;
Fig. 2 is the wiring schematic diagram of the utility model first embodiment;
Fig. 3 is the wiring schematic diagram of the utility model second embodiment;
Fig. 4 is mouse and keyboard socket synoptic diagram;
Fig. 5 is the wiring schematic diagram of the utility model the 3rd embodiment.
Embodiment
See also shown in Figure 1, usb socket 10 on the general PC has 8 contacts 11, the function such as output, input of the output of power supply and signal is provided respectively: wherein numbering 1 and 5 contact provides+the 5VDC power supply, when being connected with PC for running gear, carry out the power supply supply of data transmission, holding concurrently can be as the usefulness of running gear rechargeable battery charging.The electric current that this known usb socket 10 provides is less than 0.5A, and as if the usefulness as the running gear charging, its charging rate is very slow, and after the PC shutdown, promptly closes the power supply supply of usb socket 10, just can't provide running gear to continue charging again; If will continue charging, necessary power-on then causes the waste of electric power again.
For making USB interface after the PC shutdown, still have the function that the running gear charging is provided, its power supply supply must be provided.After the general PC shutdown, its power supply unit still provides+and the 5VDC standby power is to devices such as mouse, keyboard, timers.Structure of the present utility model is to utilize the postboost standby power of PC, with the power output end of+5VDC be connected to usb socket+5VDC power supply supply contact, no matter make USB interface under the state of PC start or shutdown, all can provide the usefulness of running gear charging.The utility model is received the structure of USB interface with the standby power of PC, comprise following several:
A. the structure that connects of wire jumper:
See also shown in Figure 2, the structure of present embodiment, the 9th contact (Pin) of the power supply connector 21 in the ATX type PC motherboard 20 for example, be connected to a conductor wire 30 serial connection one diodes (Diode) 31 usb socket 10 that charge power supply need be provided+5VDC (power supply supply) contact on; The 9th pin that makes this power supply connector 21 still provides+standby power of 5VDC after the PC shutdown, through providing usb socket 10 behind the line after the PC shutdown, still can provide the power supply of running gear charging; This diode 31 also can be crystal (Power Mos) or transistor electronic components such as (Transistor) usefulness as the direction of current restriction.Also can be only with a conductor wire 30 the 9th contact (Pin) that connects power supply connectors 21 and the usb socket 10 that charge power supply need be provided+the 5VDC contact on; Even, can replace this diode 31 by a control loop, this control loop comprises the combination of diode, crystal or electronic components such as transistor and switch, except as the direction of current restriction with, further comprise the insurance of power supply size restriction and be subjected to PC to set the function of gauge tap etc.
B. install the structure that connects:
See also shown in Fig. 3,4, the structure of present embodiment, be to have the device of standby power on the PC, the power output end of indicator device (mouse) socket 40 (the 4th contact as shown in Figure 4) for example, be connected to a conductor wire 30 serial connection one diode 31 usb socket 10 that charge power supply need be provided+the 5VDC contact on, make usb socket 10 after the PC shutdown, the power supply of running gear charging still can be provided.The structure of present embodiment, also the power output end of keyboard socket 41 can be connected to usb socket 10+the 5VDC contact on, make usb socket 10 can utilize the standby power of keyboard socket 41, the usefulness of running gear charging is provided.Can connect conductor wire 30 in the outside of indicator device socket 40 or keyboard socket 41 in the present embodiment, or the adapter of can pegging graft in the outside, inboard in adapter connects conductor wire 30, outside adapter, close the plug of grafting indicator device or the plug of keyboard, after avoiding the former socket outside to connect conductor wire, can not insert the plug of indicator device or the plug of keyboard.
C. revise the structure of motherboard:
The structure of present embodiment, be that above-mentioned control loop is designed in host board structure, make in the motherboard the PC standby power through control loop receive the USB that charge function need be provided be situated between back socket+the 5VDC contact on, make USB interface after the PC start, still have the function that the running gear charging is provided.The structure of present embodiment is to revise wafer set to make relevant on the motherboard+5VDC standby power control integrate and transport to USB interface; And the modification that cooperates the PC operating system to be to provide controlling mechanism, for the user in the start back in selecting on the screen in that socket of USB interface or that socket in hub, after the PC shutdown, have the power supply of charging.
D. the structure that has the HUB (usb hub) of independent current source:
See also shown in Figure 5ly, present embodiment is between the USB socket 51 and supply socket 52 of HUB50, connects a conductor wire or a control loop; The structure of this control loop for example is made of conductor wire 30 serial connection one diodes 31 and a switch 32, has the power supply of charging so that USB socket 51 to be provided after the PC shutdown.The another kind of structure of present embodiment is a system architecture of revising HUB50, for example directly is provided with the structure of above-mentioned control loop on the circuit board of HUB50, and it has the power supply of charging in PC shutdown back to make its some USB socket 51.
The USB interface of the utility model PC, via after being provided with of the various embodiments described above, the power supply that after the PC shutdown, still has charging, and its charging current is identical about between the 0.75A to 3A with the current specification that general power supply unit provides, USB interface only can provide the magnitude of current of 0.5A to compare during PC start more in the past, and the utility model can effectively promote the charge efficiency of USB interface.The utility model can make full use of the standby power of PC high-level efficiency switched power supplier (Switching powersupply), provide USB interface the double usefulness of making charger, can save a cradle, and no matter whether PC is started shooting the usefulness of running gear charging all can be provided, can improve the inconvenience that existing PC device can not charge after start.
The above only for utilizing the embodiment of the utility model technology contents, anyly is familiar with modification, the variation that this operator uses the utility model to do, and all belongs to the claim of the utility model opinion, and is not limited to the described instantiation of embodiment.
In sum, the utility model is broken through the connection mode of the USB interface power circuit of conventional P C, can effectively improve the inconvenience that the USB interface of known PC can not be charged after shutdown, no matter make USB interface PC under the situation of start or shutdown, the function of running gear charging all can be provided, and have bigger charging current with the enhancement of effects such as saving duration of charging.
Claims (7)
1., comprise that planting structure by following plural number chooses wherein a kind of no matter serial bus interface switching on and shutting down all can provide the structure of peripheral device charging:
A. the structure that connects of wire jumper:
One conductor wire or a control loop are connected in the contact that standby power is provided in the power supply connector in the PC motherboard, and between the power supply of the usb socket supply contact;
B. install the structure that connects:
One conductor wire or a control loop are connected in the power output end of the device that has standby power on the PC, and between the power supply of the usb socket supply contact;
C. revise the structure of motherboard:
One control loop is connected between the power supply supply contact of PC standby power in the motherboard and usb socket, and this control loop design is in host board structure; And
D. it has the structure of the HUB (usb hub) of independent current source:
Between the USB socket and supply socket of HUB, connect a conductor wire or a control loop, to provide USB socket after the PC shutdown, to have the power supply of charging, or the system architecture of modification HUB, on the circuit board of HUB, directly be provided with the structure of above-mentioned control loop, make at least one USB socket after the PC shutdown, have the power supply of charging.
2. no matter serial bus interface switching on and shutting down as claimed in claim 1 all can provide the structure of peripheral device charging, it is characterized in that this control loop comprises one of electronic component of restrictions such as being connected in series a diode (Diode) or crystal (Power Mos) or transistor (Transistor) or controllable current direction.
3. no matter serial bus interface switching on and shutting down as claimed in claim 1 all can provide the structure of peripheral device charging, it is characterized in that this C revises the structure of motherboard, comprise with wafer set exporting standby power control integration relevant on the motherboard to USB interface.
4. no matter USB interface switching on and shutting down as claimed in claim 1 all can provide the structure of peripheral device charging, it is characterized in that this control loop is connected in series one of electronic component of restriction such as a diode or crystal or transistor or controllable current direction by conductor wire and serial connection one switch is constituted.
5., it is characterized in that the motherboard in the structure of structure that this A wire jumper connects and C modification motherboard is an ATX type motherboard no matter USB interface switching on and shutting down as claimed in claim 1 all can provide the structure of peripheral device charging.
6., it is characterized in that the device with standby power in the structure that this B device connects is keyboard or indicator device no matter USB interface switching on and shutting down as claimed in claim 1 all can provide the structure of peripheral device charging.
7. no matter USB interface switching on and shutting down as claimed in claim 6 all can provide the structure of peripheral device charging, it is characterized in that, the outside of this keyboard or the indicator device adapter of pegging graft wherein, power output end in the adapter inboard, one of electronic component that is connected in series restriction such as a diode, crystal or transistor or controllable current direction with a conductor wire are connected on the power supply supply contact of usb socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260075 CN2496067Y (en) | 2001-09-24 | 2001-09-24 | Serial bus interface structure for charging peripheral device whether its power is on or off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260075 CN2496067Y (en) | 2001-09-24 | 2001-09-24 | Serial bus interface structure for charging peripheral device whether its power is on or off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2496067Y true CN2496067Y (en) | 2002-06-19 |
Family
ID=33668321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01260075 Expired - Lifetime CN2496067Y (en) | 2001-09-24 | 2001-09-24 | Serial bus interface structure for charging peripheral device whether its power is on or off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2496067Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328640C (en) * | 2002-11-14 | 2007-07-25 | 华邦电子股份有限公司 | Universal serial bus host machine system |
| CN103078393A (en) * | 2012-01-20 | 2013-05-01 | 威盛电子股份有限公司 | Usb hub and electric power supply method for the same |
| CN103135734A (en) * | 2011-11-25 | 2013-06-05 | 英源达科技有限公司 | Reserve power supply structure used for electronic device |
-
2001
- 2001-09-24 CN CN 01260075 patent/CN2496067Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328640C (en) * | 2002-11-14 | 2007-07-25 | 华邦电子股份有限公司 | Universal serial bus host machine system |
| CN103135734A (en) * | 2011-11-25 | 2013-06-05 | 英源达科技有限公司 | Reserve power supply structure used for electronic device |
| CN103135734B (en) * | 2011-11-25 | 2016-08-24 | 英源达科技有限公司 | A kind of stand-by power supply structure for electronic installation |
| CN103078393A (en) * | 2012-01-20 | 2013-05-01 | 威盛电子股份有限公司 | Usb hub and electric power supply method for the same |
| CN103078393B (en) * | 2012-01-20 | 2015-03-18 | 威盛电子股份有限公司 | USB hub and electric power supply method for the same |
| TWI497272B (en) * | 2012-01-20 | 2015-08-21 | Via Tech Inc | Usb hub for supplying power and method thereof |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110924 Granted publication date: 20020619 |