CN201174083Y - Computer port with electrostatic protection and computer - Google Patents
Computer port with electrostatic protection and computer Download PDFInfo
- Publication number
- CN201174083Y CN201174083Y CNU2008200790607U CN200820079060U CN201174083Y CN 201174083 Y CN201174083 Y CN 201174083Y CN U2008200790607 U CNU2008200790607 U CN U2008200790607U CN 200820079060 U CN200820079060 U CN 200820079060U CN 201174083 Y CN201174083 Y CN 201174083Y
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- interface
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- electrostatic discharge
- port
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Abstract
The utility model relates to a computer port with electrostatic protection and a computer. The computer port comprises an interface and an electrostatic protection circuit; and the electrostatic protection circuit is provided with an electrostatic discharge and protection chip and connected with the interface. The preposed interface is a USB interface, an audio input interface, an audio output interface or an interface module formed by the combination of the USB interface, the audio input interface and the audio output interface. The electrostatic protection circuit is also provided with a metal elastic piece which is used for connecting the electrostatic discharge and protection chip and a computer case. In the computer, the computer port with the structure is arranged on a panel or a lateral plate of the case. When the computer is impacted by electrostatics, electrostatic discharge pulse can be earthed in time to achieve the aim of protecting a subsequent circuit and the whole computer. The computer port has the advantages that compared with the prior art, the technical proposal of the computer port can more rapidly conduct the electrostatic discharge pulses into the ground and does not need to make great modification to the arrangement of the appearance and the structure of the prior whole computer, thereby being suitable for use.
Description
Technical field
The utility model relates to a kind of electrostatic protection technology, particularly relates to a kind of port with electrostatic protection and computing machine at preposition port.
Background technology
Electrostatic impact is the instantaneous high pressure pulse, has the characteristics of rise time weak point, instantaneous high pressure, heavy current, has very big harm for electronic equipment.At present; the protection that PC is done at electrostatic interference (ElectricStatic Discharge-ESD); mostly be on mainboard, to add the higher chip of degree of protection; thereby realize antistatic protection to mainboard; perhaps the PCB LAYOUT from mainboard starts with, by reaching the raising antistatic performance with screw hole ground connection.
The designer finds that in realizing the technical solution of the utility model process there is following problem in prior art: the scheme that increases high-grade protection chip at mainboard can improve the manufacturing cost of product; and; owing to lack effectively protection at preposition I/O port to the signal path between the mainboard, make electrostatic pulse before arriving mainboard, just cause damage to computer.
Therefore, be necessary to propose a kind of electrostatic protection scheme at preposition I/O port.
Summary of the invention
The purpose of this utility model is; overcome the defective that existing electrostatic discharge protective circuit exists; and provide a kind of novel port with electrostatic protection and computing machine; technical matters to be solved is to make it can be as early as possible electrostatic pulse ground connection; protection subsequent conditioning circuit and even protection complete machine, thus be suitable for practicality more.
The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.A kind of computer port with electrostatic protection according to the utility model proposes comprises: interface; And electrostatic discharge protective circuit, be connected in above-mentioned interface, earthing device.。Preferably, aforesaid interface is the front interface of computing machine.Preferably, aforesaid front interface is the interface module that combines of USB interface, audio input interface, audio output interface or above-mentioned interface.Preferably, aforesaid electrostatic discharge protective circuit has the electrostatic discharge (ESD) protection chip.Preferably, aforesaid earthing device is a metal clips, is used to be connected in electrostatic discharge (ESD) protection chip and computer cabinet.
The purpose of this utility model and solve its technical matters and can also adopt following technical scheme to realize.According to a kind of computing machine that the utility model proposes; the computer motherboard that has cabinet and be arranged on cabinet inside; on the panel of cabinet or side plate, be provided with port; this port comprises: interface; and electrostatic discharge protective circuit; be connected in described interface, and be connected in computer motherboard, make described interface and computer motherboard form electric connection structure.Preferably, aforesaid interface is the interface module that combines of USB interface, audio input interface, audio output interface or above-mentioned interface.Preferably, aforesaid electrostatic discharge protective circuit is electrically connected at computer cabinet, forms grounded circuit.Preferably, aforesaid electrostatic discharge protective circuit has the electrostatic discharge (ESD) protection chip.
In sum; the port with electrostatic protection of the utility model special construction; be provided with the computing machine of above-mentioned preposition port; when being subjected to electrostatic impact; can reach protection subsequent conditioning circuit and even protection complete machine in time electrostatic discharge pulses ground connection, its advantage is that the technical solution of the utility model can import ground to electrostatic discharge pulses quickly than existing scheme; simultaneously do not need big change is done in prior complete machine outward appearance, structure setting, thereby be suitable for practicality.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the structural drawing of the computer port with electrostatic protection of the utility model one enforcement.
Fig. 2 is the structural representation of the computer port with electrostatic protection of another embodiment of the utility model.
Fig. 3 a and Fig. 3 b are the circuit theory diagrams of the computer port with electrostatic protection of the utility model the foregoing description.
Fig. 4 is the structural drawing of the embodiment of computing machine of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of the port with electrostatic protection, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also shown in Figure 1; it is the structural drawing of the computer port with electrostatic protection of the utility model one enforcement; this computer port with electrostatic protection comprises a usb 10 and an electrostatic discharge protective circuit 20; the terminals of described usb 10 are connected in electrostatic discharge protective circuit 20, and this electrostatic discharge protective circuit mainly is to be made of the electrostatic discharge (ESD) protection chip.The kind of protection chip can be selected but be not restricted to following model: USBLC6-4SC6, AZ1015-04S, AZ1015-02S etc.Described usb 10 is electrically connected on the pin of this electrostatic protection chip; on this electrostatic discharge (ESD) protection chip, draw connection lead 40 and be used to connect computer motherboard; also be connected with a metal clips 30 in addition at this electrostatic discharge (ESD) protection chip power; this metal clips is used to be connected in computer cabinet, constitutes grounded circuit.
The above-mentioned computer port with electrostatic protection is preposition port, and it is arranged on the front panel of computing machine or on the position of the close front panel of side panel.That is, has certain distance between this preposition port and the mainboard.Adopt the computing machine of above-mentioned preposition USB port, when being subjected to electrostatic impact, can reach the purpose of protection subsequent conditioning circuit and even protection complete machine in time electrostatic discharge pulses ground connection.Its advantage, the one, faster electrostatic discharge pulses is imported ground than existing scheme, the 2nd, do not need big change, economically feasible are done in prior complete machine outward appearance, structure setting.
Above-mentioned USB interface can be two or more, and each USB interface all has the structure of the foregoing description.
The electrostatic discharge protective circuit that the foregoing description is used can adopt the electrostatic discharge protective circuit that is provided with on the active computer mainboard also can reach technique effect of the present utility model, promptly can prevent the infringement of static discharge to the computing machine components and parts.Certainly, the described electrostatic discharge protective circuit of the foregoing description is arranged on the plank of a rigidity, be pcb board for example, but present embodiment is not limited to pcb board, as long as can carry described electrostatic discharge protective circuit.
Seeing also Fig. 2 and shown in Figure 3, is the circuit theory diagrams of structural representation of the computer port with electrostatic protection of the utility model one preferred embodiment.Embodiment of the present utility model also proposes the multi-functional port of electrostatic protection, is about to the above-mentioned USB port with electrostatic protection and combines with the audio frequency input/output port with electrostatic protection, becomes a multi-functional port module.This module is installed on the front panel or side plate position before examination of computing machine, thereby makes the operation of computing machine have human nature care more, and can effectively protect computing machine not to be subjected to electrostatic impact.Be specially; a plurality of interfaces 11,12,13,14 are constituted a module; the terminals of each interface all are electrically connected at electrostatic discharge (ESD) protection chip 22; on this electrostatic discharge (ESD) protection chip, draw one group of connection lead 40 and be used to connect computer motherboard; also on this electrostatic discharge (ESD) protection chip 22, be electrically connected with a metal clips 30 in addition; this metal clips is used to be connected in computer cabinet, constitutes grounded circuit.Described electrostatic discharge (ESD) protection chip 22 is arranged on the plank 21 of rigidity, and plank 21 is a pcb board.Above-mentioned interface, as Fig. 3, interface 11,12 is a USB interface, interface 13,14 is an audio interface.Above-mentioned interface is relatively independent, in concrete the application, can increase according to the configuration of actual computer or the kind and the number of delete interface.After the kind and number of variations of interface, each self-corresponding ESD protection circuit, its kind and number also have corresponding variation.
Seeing also shown in Figure 4ly, is the structural drawing of the embodiment of computing machine of the present utility model.Another embodiment of the present utility model also proposes a kind of computing machine; it has computer cabinet 100 and display 200; in computer cabinet, be provided with computer motherboard 110; this computer cabinet comprises panel and side plate; on described panel or side plate, be provided with described computer interface 10 with electrostatic protection as above-mentioned embodiment; described connection lead 40 is connected on the computer motherboard, and described shell fragment 30 is connected on the computer cabinet, constitutes grounded circuit.Like this computing machine of constituting of structure can effectively be avoided this electrostatic pulse directly is transferred on the computer motherboard when static discharge that the interface on panel or the side plate produces, thereby protect computer motherboard not to be subjected to the infringement of static discharge.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, foundation technical spirit of the present utility model is to above any simple modification that embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (9)
1, a kind of computer port with electrostatic protection is characterized in that it comprises:
Interface;
Electrostatic discharge protective circuit is connected in above-mentioned interface;
Earthing device is connected in described electrostatic discharge protective circuit.
2, the computer port with electrostatic protection according to claim 1 is characterized in that wherein said interface is the front interface of computing machine.
3, the computer port with electrostatic protection according to claim 2 is characterized in that wherein said front interface is the interface module that combines of USB interface, audio input interface, audio output interface or above-mentioned interface.
4, the computer port with electrostatic protection according to claim 1 is characterized in that wherein said electrostatic discharge protective circuit has the electrostatic discharge (ESD) protection chip.
5, the computer port with electrostatic protection according to claim 5 is characterized in that wherein said earthing device is a metal clips, is used to be connected in described electrostatic discharge (ESD) protection chip and computer cabinet.
6, a kind of computing machine, the computer motherboard that has cabinet and be arranged on cabinet inside is characterized in that being provided with port on the panel of cabinet or side plate, and this port comprises:
Interface, and
Electrostatic discharge protective circuit is connected in described interface, and is connected in computer motherboard, makes described interface and computer motherboard form electric connection structure.
7, computing machine according to claim 6 is characterized in that wherein said interface is the interface module that combines of USB interface, audio input interface, audio output interface or above-mentioned interface.
8, computing machine according to claim 6 is characterized in that wherein said electrostatic discharge protective circuit is electrically connected at computer cabinet, forms grounded circuit.
9, computing machine according to claim 6 is characterized in that wherein said electrostatic discharge protective circuit has the electrostatic discharge (ESD) protection chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200790607U CN201174083Y (en) | 2008-02-29 | 2008-02-29 | Computer port with electrostatic protection and computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200790607U CN201174083Y (en) | 2008-02-29 | 2008-02-29 | Computer port with electrostatic protection and computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174083Y true CN201174083Y (en) | 2008-12-31 |
Family
ID=40201207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200790607U Expired - Fee Related CN201174083Y (en) | 2008-02-29 | 2008-02-29 | Computer port with electrostatic protection and computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174083Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888085B (en) * | 2009-05-11 | 2012-11-28 | 晶致半导体股份有限公司 | Motor-driven control chip provided with ESD circuit |
| CN103968993A (en) * | 2013-02-04 | 2014-08-06 | 浙江盾安禾田金属有限公司 | Pressure transmitter |
| CN104427733A (en) * | 2013-08-21 | 2015-03-18 | 同方威视技术股份有限公司 | Grounded shrapnel and electronic equipment with grounded shrapnel |
| CN105095839A (en) * | 2014-05-22 | 2015-11-25 | 黑龙江元火科技发展有限公司 | Intelligent fingerprint identification device based on DSP technology |
| CN108695836A (en) * | 2018-05-25 | 2018-10-23 | 郑州云海信息技术有限公司 | A kind of the front control board circuit and its control method of enhancing ESD protection capability |
-
2008
- 2008-02-29 CN CNU2008200790607U patent/CN201174083Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888085B (en) * | 2009-05-11 | 2012-11-28 | 晶致半导体股份有限公司 | Motor-driven control chip provided with ESD circuit |
| CN103968993A (en) * | 2013-02-04 | 2014-08-06 | 浙江盾安禾田金属有限公司 | Pressure transmitter |
| CN103968993B (en) * | 2013-02-04 | 2019-03-01 | 浙江盾安禾田金属有限公司 | A kind of pressure transmitter |
| CN104427733A (en) * | 2013-08-21 | 2015-03-18 | 同方威视技术股份有限公司 | Grounded shrapnel and electronic equipment with grounded shrapnel |
| CN105095839A (en) * | 2014-05-22 | 2015-11-25 | 黑龙江元火科技发展有限公司 | Intelligent fingerprint identification device based on DSP technology |
| CN108695836A (en) * | 2018-05-25 | 2018-10-23 | 郑州云海信息技术有限公司 | A kind of the front control board circuit and its control method of enhancing ESD protection capability |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20170229 |