CN2575744Y - Battery connector detecting device for notebook computer and battery thereof - Google Patents
Battery connector detecting device for notebook computer and battery thereof Download PDFInfo
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- CN2575744Y CN2575744Y CN 02248887 CN02248887U CN2575744Y CN 2575744 Y CN2575744 Y CN 2575744Y CN 02248887 CN02248887 CN 02248887 CN 02248887 U CN02248887 U CN 02248887U CN 2575744 Y CN2575744 Y CN 2575744Y
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Abstract
The utility model relates to a USB and AUDIO preposition interface board, in which a PCB board is provided with a USB connector, USB interfaces, an AUDIO connector, an audio frequency output jack and an MIC jack. The utility model is characterized in that pins 2 and 3 of one USB interface are respectively connected with corresponding pins of a USB-I connector and a USB-L connector, and the pins 2 and 3 of the other USB interface are respectively connected with the corresponding pins of the USB-1 connector and the USB-L connector; the signal end of the MIC jack is connected with the corresponding pins of an AUDIO-I connector and an AUDIO-L connector, and the left output end and the right output end of the audio frequency jack are respectively connected with the corresponding pins of the AUDIO-I connector and the AUDIO-L connector. The same interface board can match with an L systemic motherboard or a I systemic motherboard by exchanging the direction of an L plug or a I plug of both ends of a USB and AUDIO connecting wire so as to bring convenient to the assembly and after service of the complete machine.
Description
Technical field
The utility model relates to the USB and the AUDIO front interface plate of desk-top computer, specifically be a kind of can compatible present two big main flow L (i.e. association) system and the USB and the AUDIO front interface plate of the mainboard of the preposition USB of I (being intel) system and the electric definition of AUDIO, and USB, AUDIO connection shielded cable.
Background technology
For vast computer user can be connected to the digital peripheral product of various USB interface on the computing machine very easily, and use headset to listen to multimedia audio information more expediently, each mainboard production firm of current desk-top computer all is provided with on its mainboard product and is used to expand the connector that preposition USB and AUDIO interface board are used, because the definition of the stitch of the connector of different mainboard producer is different, therefore, as desk-top computer Complete set manufacturers, when expanding preposition USB and AUDIO interface board, will prepare different front interface plates at different mainboards.The front interface plate is wide in variety, will inevitably increase complete-system vendor like this in material procurement, stock control, final assembly, the workload of all too many levels such as customer service after sale, and the whole enterprise running cost is increased.
Summary of the invention
In view of the prior art above shortcomings, the utility model proposes a kind of can compatible present two big main flow L systems and the USB and the AUDIO front interface plate of I system, and supporting USB is connected shielded cable with AUDIO.
USB of the present utility model and AUDIO front interface plate, USB connector, USB interface, AUDIO connector, audio frequency output socket and MIC socket are set on pcb board, it is characterized in that: USB connector comprises USB-L (association) connector and USB-I (intel) connector, 2,3 pin of a USB interface are connected to 3,5 pin of USB-I connector and 3,5 pin of USB-L connector respectively by EMI (common mode choke coil), and 2,3 pin of another USB interface are connected to 4,6 pin of USB-I connector and 8,6 pin of USB-L connector respectively by EMI.
The AUDIO connector comprises AUDIO-L (association) connector and AUDIO-I (intel) connector, signal termination AUDIO-I connector 1,3 pin of MIC socket and 1 pin of AUDIO-L connector, the left and right output terminal of audio frequency output socket connects 5,3 pin of AUDIO-I connector 9,5 pin and AUDIO-L connector respectively.
The USB that is used for above-mentioned front interface plate connects shielded cable and comprises connecting line, and the two ends of connecting line connect the plug of USB-L connector and the plug of USB-I connector respectively.
The AUDIO that is used for above-mentioned front interface plate connects shielded cable, it is characterized in that comprising connecting line, and the two ends of connecting line connect the plug of AUDIO-L connector and the plug of AUDIO-I connector respectively.
The utility model technical conceive novelty, USB is connected the direction of the L or the I plug at shielded cable two ends with AUDIO by transposing, and the mainboard of same fast USB and AUDIO front interface plate and two diverse L systems in electric definition (promptly associating) and I system (being intel) is mated.Reduced the kind of main frame, brought convenience for assembling, debugging and the after sale service of complete machine with the front interface plate.
Description of drawings
Fig. 1 is the exemplary embodiments structural drawing of this front interface plate;
Fig. 2 is the circuit diagram of this front interface plate;
Fig. 3 connects the shielded cable schematic diagram for AUDIO;
Fig. 4 connects the shielded cable schematic diagram for USB;
Fig. 5 is the connection diagram of this front interface plate, cable and L system (association) mainboard;
Fig. 6 is the connection diagram of this front interface plate, cable and I system (Intel) mainboard;
Concrete implementation
Below in conjunction with accompanying drawing the utility model is further described.
Among Fig. 1 a, b, the c, the 1st, the printed-wiring board (PWB) (PCB) of USB and AUDIO front interface plate is provided with two USB connector, two USB interface, two AUDIO connectors, audio frequency output socket and MIC sockets on pcb board.Wherein USB interface 4,7 are used to connect the insertion mouth of the digital external unit of USB (as: Digit camera etc.), MIC socket 5 is the microphone insertion mouths that are used to connect headset, audio frequency output socket (SPEAK) the 6th is used to connect headset receiver or computer multi-media audio amplifier, the socket 8 of USB-I connector, the socket 9 of USB-L connector, the socket 10 of AUDIO-L connector, socket 11 grades of AUDIO-I connector are to be respectively applied for connection USB to be connected shielding line 2 with AUDIO, 3, and plug 12,13,14,15 is respectively described socket 10, socket 11, socket 9, the attachment plug of socket 8 correspondences.
Fig. 1 b, c are respectively the USB, the AUDIO that are used for above-mentioned front interface plate and connect shielded cable.USB connects shielded cable and comprises connecting line 2, and the two ends of connecting line 2 connect the plug 14 of USB-L connector and the plug 15 of USB-I connector respectively.AUDIO connects shielded cable and comprises connecting line 3, and the two ends of connecting line 3 connect the plug 12 of AUDIO-L connector and the plug 13 of AUDIO-I connector respectively.
The two ends of USB connection shielded cable are connected two end connectors of shielded cable with AUDIO electric definition meets L (association) and I (intel) standard, wherein, the electric definition of the L at the two ends of USB and AUDIO connection shielded cable and I corresponds respectively to USB-L on the front interface plate (I) and AUDIO-L (I) definition.Wherein, 8 is identical with 15 pin definitions; 9 is identical with 14 pin definitions; 10 is identical with 12 pin definitions; 11 is identical with 13 pin definitions.
8, the 15 stitch definition of USB-I standard is as shown in table 1.
Table 1
9, the 14 stitch definition of USB-L standard is as shown in table 2.
| 1 pin | + 5V (USB mouth power supply just) | 2 pin | + 5V (USB mouth power supply just) |
| 3 pin | USBO-(difference is negative to be imported/go out) | 4 pin | USB1-(difference is negative to be imported/go out) |
| 5 pin | USBO+ (difference positive input/go out) | 6 pin | USB1+ (difference positive input/go out) |
| 7 pin | GND (USB mouth power supply ground) | 8 pin | GND (USB mouth power supply ground) |
| 9 pin | | 10 pin | |
Table 2
10, the 12 stitch definition of AUDIO-L standard is as shown in table 3.
| 1 pin | + 5V (USB mouth power supply just) | 2 pin | GND (USB mouth power supply ground) |
| 3 pin | USBO-(difference is negative to be imported/go out) | 4 pin | |
| 5 pin | USBO+ (difference positive input/go out) | 6 pin | USB1+ (difference positive input/go out) |
| 7 pin | | 8 pin | USB1-(difference is negative to be imported/go out) |
| 9 pin | GND (USB mouth power supply ground) | 10 pin | + 5V (USB mouth power supply just) |
Table 3
11, the 13 stitch definition of AUDIO-I standard is as shown in table 4.
| 1 pin | MIC (microphone input) | 2 pin | AGND (microphone shielding ground) |
| 3 pin | FLOR (preposition R channel output) | 4 pin | LNR (rearmounted R channel output) |
| 5 pin | FLOL (preposition L channel output) | 6 pin | LNL (rearmounted L channel output) |
| 7 pin | AGND (audio frequency goes out shielding ground) | 8 pin | KEY (empty pin) |
Table 4
| 1 pin | MIC (microphone input) | 2 pin | AGND (microphone shielding ground) | |
| 3 pin | MIC-BLAS | 4 pin | + | |
| 5 pin | FLOR (preposition R channel output) | 6 pin | LNR (rearmounted R channel output) | |
| 7 pin | HP-ON | 8 | cut | |
| 9 pin | FLOL (preposition L channel output) | 10 pin | LNL (rearmounted L channel output) |
It is shown in Figure 4 to connect the shielded cable example as USB, the two ends of the USB connecting line 2 of Fig. 1 b are respectively plug 14 (that is: USB-L 2X5pin plug) and plug 15 (that is: USB-I 2X5pin plug), 14 with 15 liang of plugs between be connected with two four-core USB private mask cables, usually shielded cable length is 400 to 500 millimeters, and its annexation is as shown in table 5 below.
Table 5
| Cable 1-1 | Cable 1-2 | Cable 1-3 | Cable 1-4 screen layer | Cable 2-1 screen layer | Cable 2-2 | Cable 2-3 | Cable 2-4 | |
| Fig. 1 b 14 | ?14-1 | ?14-3 | ?14-5 | ?14-9 | ?14-2 | ?14-6 | ?14-8 | ?14-10 |
| Fig. 1 b 15 | ?15-1 | ?15-3 | ?15-5 | ?15-7 | ?15-8 | ?15-6 | ?15-4 | ?15-2 |
Connect shielded cable instance graph 3 with reference to AUDIO, the two ends of the AUDIO connecting line 3 of Fig. 1 c are respectively 12 plugs (that is: AUDIO-L 2X4pin plug) and plug 13 (that is: AUDIO-I 2X5pin plug), 12 with 13 liang of plugs between be connected with three shielded cables, wherein, one is single core, other two is twin-core, and shielded cable length is 400 to 500 millimeters, and its annexation is as shown in table 6 below.
Table 6
| Single core cable 1-1 | Single core cable 1-screen layer | Two core cable 2-1 | Two core cable 2-2 | Two core cable 2-screen layers | Two core cable 3-1 | Two core cable 3-2 | Two core cable 3-screen layers | |
| Fig. 1 c 12 | ?12-1 | ?12-2 | ?12-3 | ?12-4 | ?12-7 | ?12-5 | ?12-6 | ?12-7 |
| Fig. 1 c 13 | ?13-1 | ?13-2 | ?13-5 | ?13-6 | ?13-2 | ?13-9 | ?13-10 | ?13-2 |
Circuit theory Fig. 2 of this front interface plate is described as follows.
Fig. 2 a is its USB circuit part, comprising: USB-L (association) connector, USB-I (intel) connector and two USB interface.2,3 pin of usb 1 are connected to 3,5 pin of USB-I connector and 3,5 pin of USB-L connector respectively by EMI, and 2,3 pin of USB interface 2 are connected to 4,6 pin of USB-I connector and 8,6 pin of USB-L connector respectively by EMI; USB-L (association) connector, USB-I (intel) connector power end are equipped with filter capacitor, the power supply of two USB connector and two USB interface, all be connected according to the corresponding interface standard.
EMI among the figure is a common mode choke coil, its model can be E601 etc., it can make USB differential mode useful signal pass through smoothly, and the useless electromagnetic signal of common mode in the cabinet is manifested bigger impedance, guarantees that with this electromagnetic wave in cabinet does not leak by USB port.
Fig. 2 b is its AUDIO circuit part, comprises two AUDIO connectors, audio frequency output socket and MIC socket.The AUDIO connector is AUDIO-L (association) connector and AUDIO-I (intel) connector, signal termination AUDIO-I connector 1,3 pin of MIC socket and 1 pin of AUDIO-L connector, the left and right output terminal of audio frequency output socket connects 5,3 pin of AUDIO- I connector 9,5 pin and AUDIO-L connector respectively.The power supply of two connectors, all connect according to the corresponding interface standard.
Above-mentioned voice-grade channel is provided with electrostatic discharge protection circuit, electrostatic discharge protection circuit comprises 4 voltage stabilizing diode D31, D32, D33, the D34 that negative pole joins, the plus earth of D34, D31 positive pole connect AUDIO-I connector 1,3 pin, and the positive pole of D32, D33 connects AUDIO-I connector 9,5 pin respectively.4 12 volts voltage stabilizing diode has been realized the antistatic protection function to MIC and three voice-grade channels of SPEAK jointly.
In addition, the input end of sound signal also can be provided with wave filter, and this wave filter comprises magnetic bead and the filter capacitor that is connected in the input signal cable, and filter capacitor is connected to going between end and the ground wire of input signal cable.Two output terminals of sound signal are provided with wave filter, and this wave filter comprises and be connected on magnetic bead and the filter capacitor that output signal line goes out end that filter capacitor is connected to going out between end and the ground wire of output signal line.L31 among Fig. 4 b, L32, L33 are magnetic beads, and they have constituted the electromagnetic wave that prevents in the cabinet with filter capacitor C31, C32, C33 respectively and have gone out along MIC, SPEAK passage string.
With reference to Fig. 5 its switching principle is described.
51 is this preposition USB and AUDIO interface board among the figure, the 52nd, computer motherboard, the 57th, AUDIO connects shielded cable, and the 58th, USB connects shielded cable, and the 9, the 10th, general USB peripheral hardware combination hub, they are the horizontal sockets of four-core, rise on a left side is pin one, corresponding signal definition is+and 5 volts, be that negative terminal (2 pin) is gone into/gone out to difference afterwards, anode (3) is gone into/gone out to difference, power supply ground (4).
The USB switching process is: 7 or 4 among the USB plug on the USB peripheral hardware (also being four-core) insertion Fig. 5 on 51 the preposition USB interface plate, signal is by the Plug pin patch bay on the plate 8 (contact pin herein belongs to the intel definition), USB connects the intel end plug on the shielded cable 58 again, the cable of flowing through arrives at 56 by association's definition plug at last, be integrated on the mainboard be that the USB of association expansion interface connects contact pin, the definition of this contact pin is identical with table 2.
The AUDIO switching process is: the MIC of headset, SPEAK plug (wherein: SPEAK is a two-channel) insert 5 and 6 on the preposition USB interface plate 51 among Fig. 5 respectively, signal is by the Plug pin patch bay on the plate 11 (contact pin herein belongs to the intel definition), the intel end plug that connects shielded cable 57 again by AUDIO, the cable of flowing through arrives at 55 by association's definition plug at last, be integrated on the mainboard be that the AUDIO of association expansion front interface connects contact pin, the definition of this contact pin is identical with table 3.
See shown in Figure 6 with the signal that is connected of I system (Intel) mainboard.
The USB switching process is: USB plug on the USB peripheral hardware inserts among Fig. 6 on the preposition USB interface plate 61 7 or 4, signal is by the Plug pin patch bay on the plate 9 (contact pin herein belongs to association's definition), the association's end plug that connects shielded cable 68 again by USB, the cable of flowing through arrives at 66 by intel definition plug at last, integrated USB expansion interface connection contact pin is the intel definition on the mainboard at this moment, and the definition of this contact pin is identical with table 1.
The AUDIO switching process is: the MIC of headset, SPEAK plug (wherein: SPEAK is a two-channel) insert 5 and 6 on the preposition USB interface plate 61 among Fig. 6 respectively, signal is by the Plug pin patch bay on the plate 10 (contact pin herein belongs to association's definition), again by the association's end plug on the AUDIO connection shielded cable 67, the cable of flowing through arrives at 65 by intel definition plug at last, be integrated on the mainboard be that the AUDIO expansion front interface of intel definition connects contact pin, the definition of this contact pin is identical with table 4.
Claims (6)
1, a kind of USB and AUDIO front interface plate, USB connector, USB interface, AUDIO connector, audio frequency output socket and MIC socket are set on pcb board, it is characterized in that: USB connector comprises USB-L (association) connector and USB-I (intel) connector, 2,3 pin of a USB interface are connected to 3,5 pin of USB-I connector and 3,5 pin of USB-L connector respectively by common mode choke coil EMI, and 2,3 pin of another USB interface are connected to 4,6 pin of USB-I connector and 8,6 pin of USB-L connector respectively by common mode choke coil EMI;
The AUDIO connector comprises AUDIO-L (association) connector and AUDIO-I (intel) connector, signal termination AUDIO-I connector 1,3 pin of MIC socket and 1 pin of AUDIO-L connector, the left and right output terminal of audio frequency output socket connects 5,3 pin of AUDIO-I connector 9,5 pin and AUDIO-L connector respectively.
2, according to described USB of claim 1 and AUDIO front interface plate, it is characterized in that: described common mode choke coil adopts E601 type EMI.
3, according to described USB of claim 1 and AUDIO front interface plate, it is characterized in that: voice-grade channel is provided with electrostatic discharge protection circuit, this electrostatic discharge protection circuit comprises 4 voltage stabilizing diode D31, D32, D33 and the D34 that negative pole joins, the plus earth of D34, the D31 positive pole connects AUDIO-I connector 1,3 pin, and the positive pole of D32, D33 connects AUDIO-I connector 9,5 pin respectively.
4, according to claim 1 or 3 described USB and AUDIO front interface plate, it is characterized in that: the input end of sound signal is provided with wave filter, this wave filter comprises magnetic bead and the filter capacitor that is connected in the input signal cable, and filter capacitor is connected to going between end and the ground wire of input signal cable; Two output terminals of sound signal are provided with a wave filter, and described wave filter comprises and be connected on magnetic bead and the filter capacitor that output signal line goes out end that filter capacitor is connected to going out between end and the ground wire of output signal line.
5, be used for one of any USB of claim 1-4 and connect shielded cable, it is characterized in that comprising connecting line, the two ends of connecting line connect the plug of USB-L connector and the plug of USB-I connector respectively.
6, be used for one of any AUDIO of claim 1-4 and connect shielded cable, it is characterized in that comprising connecting line, the two ends of connecting line connect the plug of AUDIO-L connector and the plug of AUDIO-I connector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248887 CN2575744Y (en) | 2002-10-22 | 2002-10-22 | Battery connector detecting device for notebook computer and battery thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248887 CN2575744Y (en) | 2002-10-22 | 2002-10-22 | Battery connector detecting device for notebook computer and battery thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575744Y true CN2575744Y (en) | 2003-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248887 Expired - Fee Related CN2575744Y (en) | 2002-10-22 | 2002-10-22 | Battery connector detecting device for notebook computer and battery thereof |
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|---|---|
| CN (1) | CN2575744Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374987C (en) * | 2005-03-31 | 2008-03-12 | 台均科技（深圳）有限公司 | Dual-interface memory card reading and writing device |
-
2002
- 2002-10-22 CN CN 02248887 patent/CN2575744Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374987C (en) * | 2005-03-31 | 2008-03-12 | 台均科技（深圳）有限公司 | Dual-interface memory card reading and writing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOU CITY TCL COMPUTER SCIENCE AND TECHNOLOGY Free format text: FORMER OWNER: TCL COMPUTER SICENCE AND TECHNOLOGY CO., LTD., SHENZHEN CITY Effective date: 20031010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20031010 Address after: 516001 Guangdong province Huizhou City Zhongkai high tech Development Zone Patentee after: TCL Computer Tech. Co., Ltd. Address before: 518031, A, building 2070, electronic technology building, No. 32 Shennan Road, Shenzhen, Guangdong, Futian District Patentee before: TCL Computer Science and Technology Co., Ltd., Shenzhen City |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |