CN201117986Y - Multifunctional combined socket - Google Patents
Multifunctional combined socket Download PDFInfo
- Publication number
- CN201117986Y CN201117986Y CNU2007201135374U CN200720113537U CN201117986Y CN 201117986 Y CN201117986 Y CN 201117986Y CN U2007201135374 U CNU2007201135374 U CN U2007201135374U CN 200720113537 U CN200720113537 U CN 200720113537U CN 201117986 Y CN201117986 Y CN 201117986Y
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- power
- usb
- pin
- input
- power supply
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-functional combined socket. On the basis of the original components, including a shell, a power wire with a plug, multiple power jacks, a USB input port, multiple USB output ports and a USB hub circuit board, the multi-functional combined socket makes an improvement, namely installing a switch power supply circuit with voltage-reducing and rectifying functions in the shell. The power input ends of the switch power supply circuit are connected with the power wires, and the power output ends of the switch power supply circuit are connected with the power input ends of the USB hub circuit board. After the structure is applied, the switch power supply circuit can directly convert the power of the socket into the power needed by a USB hub in order to satisfy the need of the USB output ports on normal power supply. Meanwhile, a resettable fuse is added in the USB hub, so, when encountering a high transient voltage, the resettable fuse can protect each USB output port from being damaged by the high voltage; and after the resettable fuse is automatically reset, the USB hub can still normally operate.
Description
Technical field
The utility model relates to a kind of multi-function jack, particularly is applicable to the multi-functional plate connector with multiple jack type combination of modernized family, office usefulness.
Background technology
Along with popularizing and the development of computer networking technology of computer, the electric equipment products of family and office usefulness emerge in an endless stream, and particularly the electric equipment products of USB interface are more and more, as the USB mouse, the USB printer, USB digital camera or the like, and use the phenomenon of these electric equipment products also to be seen everywhere simultaneously.And the supply socket in simple integrated a plurality of supply sockets hole, only integrated a plurality of network jack hub, only the hub of integrated a plurality of USB jacks is conventional matching products of above-mentioned electrical equipment, though these matching products can satisfy instructions for use to a certain extent, but, still has the defective that wiring work is various, line is mixed and disorderly to the user.
For this reason, people design socket and the combined product of hub are come, as Chinese utility model patent notification number is a kind of usb hub CN2807555 " usb hub " discloses, it comprises body, body is provided with a USB input port, at least one USB output port, a network RJ45 input port, a network RJ45 output port, at least one supply hub and have the power line of attaching plug, mains switch, wherein supply hub is connected with power line by mains switch.In the above-mentioned usb hub, usb hub circuit and have between the power line of attaching plug separate, without any association, therefore the power supply of a plurality of USB output ports in the above-mentioned usb hub circuit is introduced from host computer by the USB input port, like this when the number of USB output port more for a long time, the electric current that the single USB of dependence input port is introduced from host computer just can not satisfy the normal power supply of a plurality of USB output ports simultaneously, and when the supply current of USB output port diminishes, will influence the normal transmission speed of USB output port, when serious, even make some USB output port not work; And general usb hub does not all have anti-lightning strike safety device, when hub is suffered damage by thunderbolt, owing to do not have automatic repair function, usb hub circuit just can not work, the consequence that causes usb hub to be scrapped.
The utility model content
Technical problem to be solved in the utility model is the present situation at above-mentioned prior art, provides a kind of when having a plurality of USB output port, still can guarantee the multi-functional plate connector of each USB output port normal power supply.
The further technical problem to be solved of the utility model provides a kind of when transient high voltage such as experience thunderbolt, surge, and its USB output port has the multi-functional plate connector of auto restore facility.
The utility model solves the technical scheme that above-mentioned first technical problem adopted: this multi-functional plate connector includes housing, the power line of band plug, the multiple power supplies jack that is positioned at the mains switch on the housing and is located on the housing and is electrically connected by mains switch and power line, and be located at road USB input interface and multichannel USB output interface on the housing, described multichannel USB output interface is connected with described USB input interface by the usb hub circuit board that is arranged in the housing, it is characterized in that: a switching power circuit with step-down rectifier function also is installed in described housing, the power input of this switching power circuit links to each other with described power line, the power output end of this switching power circuit then is connected in the power input of above-mentioned usb hub circuit board, the usb hub circuit board just has the two-way external power supply to be its power supply like this, the USB input interface of one route routine attracts from external host computer, and the output of another routing switch power circuit draws and connects.
Above-mentioned switching power circuit with step-down rectifier function can be the switching power circuit of routine, promptly converts the galvanic switching power circuit of regular size to by civil power 220V.
Need mainly comprising main control chip and reaching the multichannel USB output interface that is connected with main control chip of external power supply power supply in the usb hub circuit board, the power output end of above-mentioned switching power circuit is connected with the power supply input pin of main control chip by first diode, is the main control chip power supply; Simultaneously, the power output end of above-mentioned switching power circuit is connected by the power pins of this first diode with multichannel USB output interface, is each road USB output interface power supply.Certainly, the power pins that also comprises the USB input interface that links to each other with main control chip for main control chip and the power supply of multichannel USB output interface, the power pins of this USB input interface is connected with the power supply input pin of main control chip by second diode, simultaneously, the power pins of this USB input interface is connected by the power pins of second diode with multichannel USB output interface.
The utility model solves above-mentioned second technical scheme that technical problem adopted: on the usb hub circuit board in above-mentioned multi-functional plate connector resettable fuse is installed also, the power input of described USB output interface is connected with the power supply input pin of described main control chip by this resettable fuse, is connected with current-limiting resistance between the power ground pin of the power input of each USB output interface and described main control chip.Like this when meeting with thunderbolt, surge; this resettable fuse can melt disconnection under the transient high voltage effect; thereby play the effect of the every road of protection USB output interface; and after high voltage disappearance, circuit system are stablized; this resettable fuse will recover again to connect automatically, and whole hub circuit plate again can operate as normal.
Certainly, the utility model can also be provided with No. one telephone wire input interface and at least one road telephone wire output interface on housing, to satisfy the needs of the multiple selection of user.
For person's operation more convenient to use, above-mentioned multiple power supplies jack is by one tunnel master control jack and formed by the controlled jack of multichannel of this master control jack control, described master control jack links to each other by the controlled Electronic Control plate of the master of a routine with controlled jack, after the main control socket outage, all control sockets that are subjected to cut off the power supply simultaneously.
Compared with prior art, advantage of the present utility model is: set up switching power circuit in housing, can directly the power supply on the socket be changed into the needed power supply of usb hub, usb hub is except having the power supply of USB input interface like this, also have this switching power circuit to provide stabilized voltage power supply for it, thereby such structure, can satisfy the normal power supply of a plurality of USB output interfaces; Simultaneously; the resettable fuse of setting up in usb hub when usb hub meets with instant high-voltage, can protect every road USB output interface not encroached on by high voltage; and after resettable fuse recovered to connect automatically, whole usb hub again can operate as normal.
Description of drawings
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is the connection layout of each circuit module among the utility model embodiment;
Fig. 3 is the circuit theory diagrams of usb hub among Fig. 2;
Fig. 4 is the anti-lightning strike anti-surge circuit schematic diagram of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, this multi-functional plate connector includes the power line 2 of band plug, housing 1, the four-way power supply jack that is positioned at the mains switch 11 on the housing 1 and is located on the housing 1 and is electrically connected by mains switch 11 and power line, one road USB input interface 13, four tunnel USB output interface, No. one telephone wire input interface 15 and No. one telephone wire output interfaces 16 that are connected by the usb hub circuit board 3 that is arranged in the Socket casing 1 with this USB input interface 13.
In the present embodiment, a switching power circuit 4 with step-down rectifier function is installed also in the housing 1, as shown in Figure 2, the input of this switching power circuit 4 is directly connected on the lead in the contiguous supply hub, promptly is connected with power line 2; The output of switching power circuit 4 then is connected with the power input of usb hub circuit board 3; The four-way power supply jack includes one road main control socket 121, three the tunnel are subjected to control socket 122, described main control socket 121 links to each other with being subjected to control socket 122 by a main controlled Electronic Control plate 5, and the controlled Electronic Control plate of this master adopts the controlled Electronic Control plate of disclosed master in the Chinese utility model patent (patent No. is ZL 01252957.5) " electronics master control Socket for computor "; Switching power circuit 4 then adopts conventional 220 volts of switching power circuits that change into 5 volts of direct currents of interchange, so all do not describe in detail at this.
It is the usb hub conversion chip of GL850G that the main control chip of above-mentioned usb hub circuit board 3 adopts model, and this main control chip has 48 pins, sees also Fig. 3, and wherein, the 9th resistance R 9 and the 13 resistance R 13 are the peripheral cell of this main control chip; The power output end of switching power circuit 4 links to each other with the power supply input pin (i.e. the 47th pin) of main control chip by the first diode D1.Simultaneously a resettable fuse F1 also is installed at above-mentioned usb hub circuit board 3, as shown in Figure 4, the low level pin of main control chip (i.e. the 42nd pin) also is connected with the power supply input pin of main control chip by dropping resistor R11, above-mentioned resettable fuse F1 successively, and the low level pin of main control chip (i.e. the 42nd pin) is by the 8th resistance R 8 back ground connection.
The structure of four road USB output interfaces is identical, have two signal controlling pins (i.e. the 2nd pin and the 3rd pin), power pins (i.e. the 1st pin) and earth terminal (i.e. the 4th pin) respectively, wherein, the 2nd pin of first via USB output interface 14A links to each other with the 5th pin of main control chip (being the DM1 pin), and the 3rd pin of first via USB output interface 14A links to each other with the 6th pin of main control chip (being the DP1 pin); The 2nd pin of the second road USB output interface 14B links to each other with the 9th pin of main control chip (being the DM2 pin), and the 3rd pin of the second road USB output interface 14B links to each other with the 10th pin of main control chip (being the DP2 pin); After the 1st pin parallel connection of the 1st pin of first via USB output interface 14A and the second road USB output interface 14B, be connected with the power supply input pin (i.e. the 47th pin) of main control chip by the second inductance L B3, above-mentioned resettable fuse F1 successively again.Equally, the 2nd pin of Third Road USB output interface 14C links to each other with the 17th pin of main control chip (being the DM3 pin), and the 3rd pin of Third Road USB output interface 14C links to each other with the 18th pin of main control chip (being the DP3 pin); The 2nd pin of the four road USB output interface 14D links to each other with the 21st pin of main control chip (being the DM4 pin), and the 3rd pin of the four road USB output interface 14D links to each other with the 22nd pin of main control chip (being the DP4 pin); After the 1st pin parallel connection of the 1st pin of Third Road USB output interface 14C and the four road USB output interface 14D, also be connected by the 3rd inductance L B5, above-mentioned resettable fuse F1 successively again with the power supply input pin (i.e. the 47th pin) of main control chip.And the 4th pin of each road USB output interface difference ground connection, the 15 capacitor C the 15, the 16 capacitor C the 16, the 17 capacitor C the 17, the 18 capacitor C 18 and the 20 capacitor C the 20, the 21 capacitor C 21 are the conventional outward element of each USB output interface.
Obviously, after the output of switching power circuit 4 is connected on the power pins of each USB output interface by the first diode D1, resettable fuse F1 successively, both guarantee the normal power supply of each USB output interface, and can exempt from high-tension infringement again, thereby had better practicability.
Claims (5)
1, a kind of multi-functional plate connector, include housing (1), the power line (2) of band plug, the multiple power supplies jack that is positioned at the mains switch (11) on the housing (1) and is located at that housing (1) is gone up and is electrically connected by mains switch (11) and power line (2), and be located at road USB input interface (13) and multichannel USB output interface on the housing (1), described multichannel USB output interface is connected with described USB input interface (13) by the usb hub circuit board (3) that is arranged in the housing (1), it is characterized in that: a switching power circuit (4) with step-down rectifier function also is installed in described housing (1), the power input of this switching power circuit (4) links to each other with described power line (2), and the power output end of this switching power circuit (4) then is connected in the power input of above-mentioned usb hub circuit board (3).
2, multi-functional plate connector according to claim 1, it is characterized in that: described usb hub circuit board (3) includes main control chip, and the power input of above-mentioned usb hub circuit board (3) is connected with the power supply input pin of this main control chip by first diode (D1).
3, multi-functional plate connector according to claim 2, it is characterized in that: described usb hub circuit board (3) also is equipped with resettable fuse (F1), the power input of described each USB output interface is connected with the power supply input pin of described main control chip by this resettable fuse (F1), is connected with current-limiting resistance (R11) between the power ground pin of the power input of each USB output interface and described main control chip.
4, according to claim 1 or 2 or 3 described multi-functional plate connectors, it is characterized in that: also be provided with No. one telephone wire input interface (15) and at least one road telephone wire output interface (16) on the described housing (1).
5, according to claim 1 or 2 or 3 described multi-functional plate connectors, it is characterized in that: described multiple power supplies jack is by one tunnel master control jack (121) and formed by the controlled jack of multichannel (122) of this master control jack control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201135374U CN201117986Y (en) | 2007-08-21 | 2007-08-21 | Multifunctional combined socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201135374U CN201117986Y (en) | 2007-08-21 | 2007-08-21 | Multifunctional combined socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117986Y true CN201117986Y (en) | 2008-09-17 |
Family
ID=39992575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201135374U Expired - Fee Related CN201117986Y (en) | 2007-08-21 | 2007-08-21 | Multifunctional combined socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201117986Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055117A (en) * | 2009-10-27 | 2011-05-11 | 胜德国际研发股份有限公司 | Socket device and connection method of socket device |
| CN103187803A (en) * | 2011-12-28 | 2013-07-03 | 谢秉伦 | Power management system and stage type power switch and socket thereof |
| CN104993332A (en) * | 2015-08-04 | 2015-10-21 | 温州骋航电器有限公司 | Miniature electric leakage protection socket |
| CN103187803B (en) * | 2011-12-28 | 2016-11-30 | 谢秉伦 | Electric power management system and stagewise on and off switch thereof and socket |
-
2007
- 2007-08-21 CN CNU2007201135374U patent/CN201117986Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055117A (en) * | 2009-10-27 | 2011-05-11 | 胜德国际研发股份有限公司 | Socket device and connection method of socket device |
| CN102055117B (en) * | 2009-10-27 | 2016-04-27 | 胜德国际研发股份有限公司 | The method of attachment of socket device and socket device thereof |
| CN103187803A (en) * | 2011-12-28 | 2013-07-03 | 谢秉伦 | Power management system and stage type power switch and socket thereof |
| CN103187803B (en) * | 2011-12-28 | 2016-11-30 | 谢秉伦 | Electric power management system and stagewise on and off switch thereof and socket |
| CN104993332A (en) * | 2015-08-04 | 2015-10-21 | 温州骋航电器有限公司 | Miniature electric leakage protection socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |