CN203659017U - USB interface lock - Google Patents
USB interface lock Download PDFInfo
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- CN203659017U CN203659017U CN201320728351.5U CN201320728351U CN203659017U CN 203659017 U CN203659017 U CN 203659017U CN 201320728351 U CN201320728351 U CN 201320728351U CN 203659017 U CN203659017 U CN 203659017U
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- interface
- usb
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- pilot lamp
- computer
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- 238000009413 insulation Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 3
- 241000700605 Viruses Species 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
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Abstract
The utility model discloses a USB interface lock which comprises a control circuit board. The control circuit board is provided with a relay, a single-chip microcomputer, a USB line interface, an indicator lamp interface, a communication chip and a communication and power interface. The single-chip microcomputer is respectively connected with the relay, the indicator lamp interface and the communication chip, the communication chip is connected with the communication and power interface, the USB line interface is connected through the relay, the indicator lamp interface is connected with an indicator lamp through a indicator lamp connecting wire, and the communication and power interface is connected with a computer main board through a communication and power connection line. The USB interface lock effectively achieves three functions of avoiding external connection, charging and leakage of the USB interface, effectively prevents a computer from suffering from viruses or attach of hikers caused by the fact that a security computer is connected into a public internet through a USB wireless network card or intelligent mobile phone, and prevents incidents of data secret spilling and the like caused by the fact that an unauthorized USB storage device is connected.
Description
Technical field
The utility model relates to USB interface encryption technology field, relates in particular to a kind of USB interface lock.
Background technology
In a government office, enterprises and institutions and commercial company etc. have the place of confidentiality data, the computing machine of its use conventionally can only be for Intranet and internal staff, forbids to connect outer net, External memory equipment and smart mobile phone etc.Fast-developing at smart mobile phone and other USB interface equipment emerge in an endless stream today, USB interface of computer has become computerized information and has leaked the important channel occurring, therefore, how effectively to control various USB movable storage devices and the operation of network settings in USB interface, prevent that file is by illegal copies, become increasing people and be concerned about and problem demanding prompt solution.
Authorizing disclosed application number on March 13rd, 2013 is that 201220375548.0 utility model patent discloses a kind of USB port lock box, comprise USB connecting line, USB connecting line one end is fixedly connected with USB interface of computer, the USB connecting line other end is provided with external-connected port, external-connected port, in lock box, is provided with lockset on lock box.Its weak point is: easily occur lockset key pass into silence loss situation occur, cause computer control personnel also cannot open, in addition, carry key also cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of without carrying keys, gets final product by software program the USB interface lock that control hardware breakage of circuit closes.
For realizing the technical scheme that the purpose of this utility model adopts be: a kind of USB interface lock, comprise control circuit board, on described control circuit board, be provided with relay, single-chip microcomputer, 2 USB line interfaces, pilot lamp interface, communication chips and communicate by letter and power interface, described single-chip microcomputer is connected with relay, pilot lamp interface and communication chip respectively, described communication chip is connected with described communication and power interface, described 2 USB line interfaces connect by described relay, on described pilot lamp interface, are provided with pilot lamp.
Described control circuit board is arranged in computer host box, described communication and power interface are connected with computer main board by the USB interface on computer main board, one of them is connected described USB line interface with the USB interface on computer main board, another is connected with the USB socket on computer host box, described pilot lamp is arranged on computer host box, described pilot lamp interface is connected with pilot lamp by pilot lamp connecting line, and described control circuit board is provided with insulation crust.
Described control circuit board is arranged in computer host box, described communication and power interface are connected with computer main board by the pci interface on computer main board, one of them is connected described USB line interface with the USB interface on computer main board, another is connected with the USB socket on computer host box, and described pilot lamp is arranged on computer host box.
Described single-chip microcomputer is connected with clock oscillator.
Described communication chip is connected with crystal oscillator.
Described relay is multiple.
The integral multiple that described USB line interface is 2.
USB interface of the present utility model is locked by having relay, single-chip microcomputer, USB line interface, pilot lamp interface, communication chip with communicate by letter and the control circuit board of power interface, described single-chip microcomputer respectively with described relay, pilot lamp interface is connected with communication chip, described communication chip is connected with described communication and power interface, described USB line interface connects by relay, described pilot lamp interface is connected with pilot lamp by pilot lamp connecting line, described communication and power interface are connected with computer main board by communication and electric power connection line, effectively having realized USB interface prevents outreaching, anti-charging and anti-three anti-functions of divulging a secret, effectively avoid security computer by USB wireless network card or smart mobile phone access public internet, cause security computer occurred by the situation of virus or assault, prevent that the access of unauthorized USB storage from causing the generation of the events such as leakage of data.By being outside equipped with insulation crust at described control circuit board, effectively avoid insulation isolation between control circuit board and other components and parts.Described communication and power interface are connected with computer main board by the pci interface on computer main board, make USB interface lock main with computer be connected simpler, convenient.The utility model is simple and practical, cost is low, and application should be widely promoted.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model pci interface formula.
Embodiment
As shown in Figure 1: a kind of USB interface lock, comprise control circuit board 1, on described control circuit board 1, be provided with relay 2, single-chip microcomputer 3,2 USB line interfaces 10, pilot lamp interface 8, communication chips 5 and communicate by letter and power interface 7, described single-chip microcomputer 3 is connected with relay 2, pilot lamp interface 8 and communication chip 5 respectively, described communication chip 5 is connected with described communication and power interface 7, described 2 USB line interfaces 10 connect by described relay 2, on described pilot lamp interface 7, are provided with pilot lamp 11.Described single-chip microcomputer 3 is connected with clock oscillator 4.Described communication chip 5 is connected with crystal oscillator 6.
Prioritization scheme as the application: described control circuit board 1 is arranged in computer host box, described communication and power interface 7 are connected with computer main board by the USB interface on computer main board, one of them is connected described USB line interface 10 with the USB interface on computer main board, another is connected with the USB socket on computer host box, described pilot lamp 11 is arranged on computer host box, described pilot lamp interface 7 is connected with pilot lamp 11 by pilot lamp connecting line 9, and described control circuit board 1 is provided with insulation crust.
As shown in Figure 2: the further prioritization scheme as the application: described control circuit board 1 is arranged in computer host box, described communication and power interface 7 are connected with computer main board by the pci interface on computer main board, and described relay is 2.Described USB line interface is 4.Described USB line interface 10 wherein 2 be connected with the USB interface on computer main board, another 2 are connected with the USB socket on computer host box, described pilot lamp 11 is arranged on computer host box.
USB interface of the present utility model is locked by having relay, single-chip microcomputer, USB line interface, pilot lamp interface, communication chip with communicate by letter and the control circuit board of power interface, by communication and power interface, each components and parts are powered, and realize the message exchange between communication chip and computer main board, start USB privacy lock program by host computer, input unlocking pin, in the situation that password is correct, by communication chip, information is passed to single-chip microcomputer, Single-chip Controlling relay is connected USB circuit, realize the connected sum exchanges data between USB interface and computer main board, pilot lamp shows green, Password Input mistake, long time no operations or while clicking the high classified papers of setting, USB privacy lock program starts encrypted instruction, disconnect by SCM control circuit breaking device, pilot lamp is shown in red, make controlled USB circuit form an obvious cut-off point, thereby reach the object of data confidentiality and data protection, the utility model has realized that USB interface anti-ly outreaches effectively, anti-charging and anti-three anti-functions of divulging a secret, effectively avoid security computer by USB wireless network card or smart mobile phone access public internet, caused security computer occurred by the situation of virus or assault, prevent that the access of unauthorized USB storage from causing the generation of the events such as leakage of data.By being outside equipped with insulation crust at described control circuit board, effectively avoid insulation isolation between control circuit board and other components and parts.Described communication and power interface are connected with computer main board by the pci interface on computer main board, make USB interface lock main with computer be connected simpler, convenient.The utility model is simple and practical, cost is low, and application should be widely promoted.
Claims (7)
1. a USB interface lock, it is characterized in that: it comprises control circuit board, on described control circuit board, be provided with relay, single-chip microcomputer, 2 USB line interfaces, pilot lamp interface, communication chips and communicate by letter and power interface, described single-chip microcomputer is connected with relay, pilot lamp interface and communication chip respectively, described communication chip is connected with described communication and power interface, described 2 USB line interfaces connect by described relay, on described pilot lamp interface, are provided with pilot lamp.
2. USB interface lock as claimed in claim 1, it is characterized in that: described control circuit board is arranged in computer host box, described communication and power interface are connected with computer main board by the USB interface on computer main board, one of them is connected described USB line interface with the USB interface on computer main board, another is connected with the USB socket on computer host box, described pilot lamp is arranged on computer host box, described pilot lamp interface is connected with pilot lamp by pilot lamp connecting line, and described control circuit board is outside equipped with insulation crust.
3. USB interface lock as claimed in claim 1, it is characterized in that: described control circuit board is arranged in computer host box, described communication and power interface are connected with computer main board by the pci interface on computer main board, one of them is connected described USB line interface with the USB interface on computer main board, another is connected with the USB socket on computer host box, and described pilot lamp is arranged on computer host box.
4. USB interface lock as claimed in claim 1, is characterized in that: described single-chip microcomputer is connected with clock oscillator.
5. USB interface lock as claimed in claim 1, is characterized in that: described communication chip is connected with crystal oscillator.
6. USB interface lock as claimed in claim 1, is characterized in that: described relay is multiple.
7. the lock of the USB interface as described in any one claim in claim 1-3, is characterized in that: the integral multiple that described USB line interface is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728351.5U CN203659017U (en) | 2013-11-19 | 2013-11-19 | USB interface lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728351.5U CN203659017U (en) | 2013-11-19 | 2013-11-19 | USB interface lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203659017U true CN203659017U (en) | 2014-06-18 |
Family
ID=50925385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728351.5U Expired - Fee Related CN203659017U (en) | 2013-11-19 | 2013-11-19 | USB interface lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203659017U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104915597A (en) * | 2015-05-19 | 2015-09-16 | 王晓楠 | Physical isolation type USB port protection system and method |
| CN104951716A (en) * | 2015-06-27 | 2015-09-30 | 河南中天亿科电子科技有限公司 | High-security storer |
| CN105574446A (en) * | 2016-03-09 | 2016-05-11 | 国网新疆电力公司检修公司 | External connection-preventing short message control device for internal network computer |
| CN106022094A (en) * | 2016-06-29 | 2016-10-12 | 国家电网公司 | Outer network USB flash disk isolation detector which can be integrated to computer and detection method |
| CN110223419A (en) * | 2018-03-03 | 2019-09-10 | 穆尔电子有限责任公司 | Functional module for electronic access control |
| CN111402458A (en) * | 2018-12-26 | 2020-07-10 | 新唐科技股份有限公司 | Lock control circuit and electronic system comprising same |
-
2013
- 2013-11-19 CN CN201320728351.5U patent/CN203659017U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104915597A (en) * | 2015-05-19 | 2015-09-16 | 王晓楠 | Physical isolation type USB port protection system and method |
| CN104951716A (en) * | 2015-06-27 | 2015-09-30 | 河南中天亿科电子科技有限公司 | High-security storer |
| CN105574446A (en) * | 2016-03-09 | 2016-05-11 | 国网新疆电力公司检修公司 | External connection-preventing short message control device for internal network computer |
| CN106022094A (en) * | 2016-06-29 | 2016-10-12 | 国家电网公司 | Outer network USB flash disk isolation detector which can be integrated to computer and detection method |
| CN110223419A (en) * | 2018-03-03 | 2019-09-10 | 穆尔电子有限责任公司 | Functional module for electronic access control |
| CN111402458A (en) * | 2018-12-26 | 2020-07-10 | 新唐科技股份有限公司 | Lock control circuit and electronic system comprising same |
| CN111402458B (en) * | 2018-12-26 | 2022-03-25 | 新唐科技股份有限公司 | Lock control circuit and electronic system comprising same |
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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: 20140618 Termination date: 20161119 |