CN105205418A - Keyboard-mouse unidirectional transmission device - Google Patents
Keyboard-mouse unidirectional transmission device Download PDFInfo
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- CN105205418A CN105205418A CN201410286435.7A CN201410286435A CN105205418A CN 105205418 A CN105205418 A CN 105205418A CN 201410286435 A CN201410286435 A CN 201410286435A CN 105205418 A CN105205418 A CN 105205418A
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Abstract
The invention provides a keyboard-mouse unidirectional transmission device. According to the technical scheme, the keyboard-mouse unidirectional transmission device comprises a USB interface module respectively connected with a mouse and a keyboard, wherein the USB interface module is connected with a real-time monitoring module for monitoring the mouse and the keyboard of a user, the real-time monitoring module is connected with a mainframe communication module through an unidirectional transmission device, and the mainframe communication module is connected and communicated with a mainframe through an interface. In addition, the real-time monitoring module is further connected with a sound-light alarm module. Data of the mouse and the keyboard in the device are unidirectionally transmitted through a light transmitting-receiving tube to ensure that the data can be only transmitted to the mainframe. The data are prevented from being stolen or destroyed through the keyboard and the mouse, the HID-type keyboard and mouse used by the user are monitored in real time, and a nonstandard HID-type keyboard and a nonstandard HID-type mouse are isolated and alarmed.
Description
Technical field:
What the present invention relates to is a kind of keyboard for computing machine and mouse one-way transmission apparatus.
Background technology:
Keyboard and mouse is our the most frequently used input equipment, also be that we generally believe very safe common apparatus, its potential safety hazard does not draw attention always, research and develop the keyboard and mouse with storing and attack function, in technology without any difficulty, its harm is the same with USB flash disk ferry-boat, and more hidden, the potential safety hazard that keyboard and mouse brings not easily detects, so can not be ignored.
All to use the network of different security domain in the Office Information of the current Chinese government, military project, enterprise, generally be divided into outer net, Intranet, classified network.Between the network of different security domain, need transmission of information, need the main frame of blocked operation different network domains.Under wishing the state that efficient, a safe technological means can be in Secure isolation between network per family, realize data transmission easily, operate the main frame of different network domains easily.A set of keyboard, mouse is used to carry out free blocked operation between the host table of two isolation networks.Between two desktops, the easy means such as mouse quick sliding, shortcut are adopted to carry out intranet and extranet desktop operated environment changing fast.The unidirectional mouse-keyboard handoff technique of research high security high availability, facilitates user exactly under the condition using a set of keyboard and mouse, operates easily different safety net territories host table.
Summary of the invention:
Object of the present invention is exactly for the deficiency existing for prior art, and the technical scheme of a kind of keyboard and mouse one-way transmission apparatus is provided, in the device of the program, the data of keyboard and mouse carry out one-way transmission by light T-R tube, guarantee that data can only flow to main frame.Prevent from keyboard and mouse to steal data or to destroy data, the HID class keyboard use user and mouse have carried out real-time monitoring, and off-gauge HID class keyboard and mouse carry out isolating and reporting to the police.
This programme is achieved by the following technical measures: a kind of keyboard and mouse one-way transmission apparatus, comprise the usb interface module for connecting mouse and keyboard respectively, it is characterized in that: usb interface module is connected with the real-time monitoring module for detecting user's mouse and keyboard, real-time monitoring module is connected with host communication module by one-way transmission apparatus, host communication module is by an interface and main frame connecting communication, in addition, described real-time monitoring module also with a sound and light alarm model calling.
One-way transmission apparatus comprises first triode VT1, the base stage of first triode VT1 is connected with real-time monitoring module by the first resistance R1, the collector of first triode VT1 is connected by the second resistance R2 and VCC, the collector of first triode VT1 is connected with the base stage of second triode VT2 by the 3rd resistance R3, the grounded emitter of first triode VT1, the emitter of first triode VT1 is connected with 2 pin of photoelectrical coupler OC, the grounded emitter of second triode VT2, the collector of second triode VT2 is connected with 1 pin of photoelectrical coupler OC by the 4th resistance R4, one electric capacity C is in parallel with the 4th resistance R4, 4 pin of photoelectrical coupler OC are connected with VCC, 3 pin of photoelectrical coupler OC are connected with the base stage of the 3rd triode VT3, the grounded emitter of the 3rd triode VT3, the collector of the 3rd triode VT3 is connected by the 5th resistance R5 and VCC, the collector of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector of the 4th triode VT4 is connected by the 6th resistance R6 and VCC, the collector of the 4th triode VT4 is connected with host communication module.
Described sound and light alarm module comprises an a light emitting diode D1 and hummer M, light emitting diode D1 one end ground connection, the other end is connected with the collector of the 5th triode VT5 by the 8th resistance R8, and the base stage of the 5th triode VT5 is connected with real-time monitoring module; Hummer M is connected between the collector of VCC and a 6th triode VT6, there is the 9th resistance R9 in parallel with hummer M, the grounded emitter of the 6th triode VT6, the base stage of the 6th triode VT6 is connected with the collector of the 7th triode VT7 by the tenth resistance R10, and the base stage of the 7th triode VT7 is connected with real-time monitoring module.
Described usb interface module is the usb interface module with HID class keyboard and mouse.
Described usb interface module is two, is respectively used to connect keyboard and mouse.
Described interface is USB interface.
The beneficial effect of this programme can be learnt according to describing of such scheme, due in this scenario owing to having usb interface module in this scenario, and can so that connect mouse and keyboard; Real-time monitoring module is used in real time monitoring and detects keyboard and the mouse whether user's mouse and keyboard be standard in real time, prevents virus and wooden horse from utilizing keyboard and mouse to import destruction data; Employ photoelectrical coupler in one-way transmission apparatus, so just can ensure the one-way of data transfer direction, prevent data from stealing from keyboard and mouse; Host communication module is used for and PC communication.During work, real-time monitoring module detects mouse and whether keyboard is standard, when not being standard, will control alarm module to report to the police, if during standard, the key assignments information that will gather keyboard and mouse is undertaken being sent to host communication module and then being transferred to main frame by one-way transmission apparatus, as can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing illustrates:
Fig. 1 is the theory diagram of the specific embodiment of the invention.
Fig. 2 is the circuit diagram of the specific embodiment of the invention.
In figure, 1 is mouse and keyboard, and 2 is usb interface module, and 3 is real-time monitoring module, and 4 is one-way transmission apparatus, and 5 is host communication module, and 6 is sound and light alarm module, and 7 is main frame.
Embodiment:
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, a kind of keyboard of this programme and mouse one-way transmission apparatus, comprise the usb interface module 2 for connecting mouse and keyboard 1 respectively, usb interface module 2 is connected with the real-time monitoring module 3 for detecting user's mouse and keyboard, real-time monitoring module 3 is connected with host communication module 5 by one-way transmission apparatus 4, host communication module 5 is by an interface and main frame 7 connecting communication, and in addition, described real-time monitoring module 3 is also connected with a sound and light alarm module 6.
One-way transmission apparatus 4 comprises first triode VT1, the base stage of first triode VT1 is connected with real-time monitoring module by the first resistance R1, the collector of first triode VT1 is connected by the second resistance R2 and VCC, the collector of first triode VT1 is connected with the base stage of second triode VT2 by the 3rd resistance R3, the grounded emitter of first triode VT1, the emitter of first triode VT1 is connected with 2 pin of photoelectrical coupler OC, the grounded emitter of second triode VT2, the collector of second triode VT2 is connected with 1 pin of photoelectrical coupler OC by the 4th resistance R4, one electric capacity C is in parallel with the 4th resistance R4, 4 pin of photoelectrical coupler OC are connected with VCC, 3 pin of photoelectrical coupler OC are connected with the base stage of the 3rd triode VT3, the grounded emitter of the 3rd triode VT3, the collector of the 3rd triode VT3 is connected by the 5th resistance R5 and VCC, the collector of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector of the 4th triode VT4 is connected by the 6th resistance R6 and VCC, the collector of the 4th triode VT4 is connected with host communication module.
Described sound and light alarm module 6 comprises an a light emitting diode D1 and hummer M, light emitting diode D1 one end ground connection, the other end is connected with the collector of the 5th triode VT5 by the 8th resistance R8, and the base stage of the 5th triode VT5 is connected with real-time monitoring module; Hummer M is connected between the collector of VCC and a 6th triode VT6, there is the 9th resistance R9 in parallel with hummer M, the grounded emitter of the 6th triode VT6, the base stage of the 6th triode VT6 is connected with the collector of the 7th triode VT7 by the tenth resistance R10, and the base stage of the 7th triode VT7 is connected with real-time monitoring module.
Described usb interface module 2 is the usb interface module with HID class keyboard and mouse.
Described usb interface module 2 is two, is respectively used to connect keyboard and mouse.
Described interface is USB interface.Described host communication module adopts single-chip microcomputer nuc122zc1.The USB control chip cy7c67300-100ai that real-time monitoring module adopts.
The present invention is not limited in above-mentioned embodiment, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (8)
1. a keyboard and mouse one-way transmission apparatus, comprise the usb interface module for connecting mouse and keyboard respectively, it is characterized in that: usb interface module is connected with the real-time monitoring module for detecting user's mouse and keyboard, real-time monitoring module is connected with host communication module by one-way transmission apparatus, host communication module is by an interface and main frame connecting communication, in addition, described real-time monitoring module also with a sound and light alarm model calling.
2. keyboard according to claim 1 and mouse one-way transmission apparatus, it is characterized in that: one-way transmission apparatus comprises first triode VT1, the base stage of first triode VT1 is connected with real-time monitoring module by the first resistance R1, the collector of first triode VT1 is connected by the second resistance R2 and VCC, the collector of first triode VT1 is connected with the base stage of second triode VT2 by the 3rd resistance R3, the grounded emitter of first triode VT1, the emitter of first triode VT1 is connected with 2 pin of photoelectrical coupler OC, the grounded emitter of second triode VT2, the collector of second triode VT2 is connected with 1 pin of photoelectrical coupler OC by the 4th resistance R4, one electric capacity C is in parallel with the 4th resistance R4, 4 pin of photoelectrical coupler OC are connected with VCC, 3 pin of photoelectrical coupler OC are connected with the base stage of the 3rd triode VT3, the grounded emitter of the 3rd triode VT3, the collector of the 3rd triode VT3 is connected by the 5th resistance R5 and VCC, the collector of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the grounded emitter of the 4th triode VT4, the collector of the 4th triode VT4 is connected by the 6th resistance R6 and VCC, the collector of the 4th triode VT4 is connected with host communication module.
3. keyboard according to claim 1 and 2 and mouse one-way transmission apparatus, is characterized in that: described host communication module adopts single-chip microcomputer nuc122zc1.
4. keyboard according to claim 1 and 2 and mouse one-way transmission apparatus, is characterized in that: the USB control chip cy7c67300-100ai that real-time monitoring module adopts.
5. keyboard according to claim 1 and 2 and mouse one-way transmission apparatus, it is characterized in that: described sound and light alarm module comprises an a light emitting diode D1 and hummer M, light emitting diode D1 one end ground connection, the other end is connected with the collector of the 5th triode VT5 by the 8th resistance R8, and the base stage of the 5th triode VT5 is connected with real-time monitoring module; Hummer M is connected between the collector of VCC and a 6th triode VT6, there is the 9th resistance R9 in parallel with hummer M, the grounded emitter of the 6th triode VT6, the base stage of the 6th triode VT6 is connected with the collector of the 7th triode VT7 by the tenth resistance R10, and the base stage of the 7th triode VT7 is connected with real-time monitoring module.
6. keyboard according to claim 1 and 2 and mouse one-way transmission apparatus, is characterized in that: described usb interface module is the usb interface module with HID class keyboard and mouse.
7. keyboard according to claim 6 and mouse one-way transmission apparatus, is characterized in that: described usb interface module is two, is respectively used to connect keyboard and mouse.
8. keyboard according to claim 1 and 2 and mouse one-way transmission apparatus, is characterized in that: described interface is USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286435.7A CN105205418B (en) | 2014-06-18 | 2014-06-18 | A kind of keyboard and mouse one-way transmission apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286435.7A CN105205418B (en) | 2014-06-18 | 2014-06-18 | A kind of keyboard and mouse one-way transmission apparatus |
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| Publication Number | Publication Date |
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| CN105205418A true CN105205418A (en) | 2015-12-30 |
| CN105205418B CN105205418B (en) | 2017-10-13 |
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| CN201410286435.7A Active CN105205418B (en) | 2014-06-18 | 2014-06-18 | A kind of keyboard and mouse one-way transmission apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015939A (en) * | 2017-04-12 | 2017-08-04 | 中孚信息股份有限公司 | A kind of unidirectional system and method for obtaining equipment identification information |
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| CN101504710A (en) * | 2009-03-26 | 2009-08-12 | 北京鼎普科技股份有限公司 | Method and equipment for security of intranet computer |
| CN201946003U (en) * | 2010-11-26 | 2011-08-24 | 李天明 | Double-computer safety switching device |
| CN102239674A (en) * | 2008-08-19 | 2011-11-09 | 高赛科实验室公司 | Isolated multi-network computer system and apparatus |
| WO2012095852A2 (en) * | 2011-01-16 | 2012-07-19 | High Sec Labs Ltd. | Secure km switch |
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2014
- 2014-06-18 CN CN201410286435.7A patent/CN105205418B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239674A (en) * | 2008-08-19 | 2011-11-09 | 高赛科实验室公司 | Isolated multi-network computer system and apparatus |
| CN101504710A (en) * | 2009-03-26 | 2009-08-12 | 北京鼎普科技股份有限公司 | Method and equipment for security of intranet computer |
| CN201946003U (en) * | 2010-11-26 | 2011-08-24 | 李天明 | Double-computer safety switching device |
| WO2012095852A2 (en) * | 2011-01-16 | 2012-07-19 | High Sec Labs Ltd. | Secure km switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015939A (en) * | 2017-04-12 | 2017-08-04 | 中孚信息股份有限公司 | A kind of unidirectional system and method for obtaining equipment identification information |
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| CN105205418B (en) | 2017-10-13 |
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