CN203966116U - Link isolation transponder between a kind of two server - Google Patents
Link isolation transponder between a kind of two server Download PDFInfo
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- CN203966116U CN203966116U CN201420322848.1U CN201420322848U CN203966116U CN 203966116 U CN203966116 U CN 203966116U CN 201420322848 U CN201420322848 U CN 201420322848U CN 203966116 U CN203966116 U CN 203966116U
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- microrelay
- usb interface
- coil
- contact sets
- transponder
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Abstract
Between two server, a link isolation transponder, comprising: microrelay, has the first microrelay coil, the first microrelay contact sets, the second microrelay coil and the second microrelay contact sets; Inner USB interface, connects respectively the first microrelay contact sets and the second microrelay contact sets; Transfer USB flash disk, connects inner USB interface; The the first external USB interface and the second external USB interface that is connected the second microrelay contact sets that connect the first microrelay contact sets, the first external USB interface is connected with inner net computer, and the second external USB interface is connected with outer net computing machine; Link controller, for PLC, connect respectively the first microrelay coil and the second microrelay coil, and automatically switch in turn and connect inner USB interface and the first external USB interface or the second external USB interface by the first microrelay contact sets and the second microrelay contact sets according to pre-provisioning request.The utility model has been realized the automatic mode of the lower exchanges data of inside and outside network physical isolation, and effective, high efficient and reliable, life-span are long.
Description
Technical field
The utility model relates to DEU data exchange unit, is specifically related to a kind of link isolation transponder that carries out exchanges data between two server, belongs to areas of information technology.
Background technology
Along with social informatization degree is more and more higher, the application of computer networking technology is universal fast, now each enterprises and institutions in product design, research and development, manufacture, run a large amount of electronic information that each link produces and be all kept in the internal network of constituent parts.In this case, on internet, all-pervasive hacker has just produced great threat to the network security of constituent parts, the survival and development of constituent parts have even been related to, so the ladder of management of intranet and extranet isolation and the transfer of data physical isolation and measure are just arisen at the historic moment thus.
So-called inside and outside network physical isolation mode is exactly, use a movable storage medium (as portable hard drive, USB flash disk, storage card etc.) data message of needs is copied out from the data server to be risen of a network by artificial means, by a transfer computing machine, copy this media data to another movable storage medium again, finally the data in this another removable medium are copied on another network, the operation such as read, thereby realize the physical isolation of (normally between Internet or outer computer and unit Intranet) between two networks and the exchange of the data under physical isolation pattern.In this process, move media need to plug to realize being connected of medium between heterogeneous networks and middle machine and network (computing machine) by craft, or realize move media in being connected of the medium between heterogeneous networks and middle machine and network (computing machine), to meet the demand of data transmission by manual link switching.Although this manual type has met physically-isolated requirement, but also brought, the efficiency causing by manually completing said process is low, cost is high, information transmission promptness is poor and prolonged and repeated plug affects the problems such as interface life-span simultaneously, the transmission that particularly need to repeatedly carry out continually mass data information between two networks when unit is when (alternately), and the manual plug mode of operation under physical isolation pattern cannot meet the practical application request of unit.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and link isolation transponder is provided between a kind of two server, with the data link of the automatic method of operation by sequential control, replaces originally the exchanges data by mode completes manually.
In order to achieve the above object, the technical solution of the utility model is as follows:
A link isolation transponder between two server, it comprises:
Microrelay, comprises the first microrelay coil, the first microrelay contact sets, the second microrelay coil and the second microrelay contact sets that is connected and is controlled by this second microrelay coil that by this first microrelay coil, are connected and controlled;
Inner USB interface, connects respectively described the first microrelay contact sets and the second microrelay contact sets;
Transfer USB flash disk, connects described inner USB interface;
The the first external USB interface and the second external USB interface that is connected described the second microrelay contact sets that connect described the first microrelay contact sets, this the first external USB interface is connected with inner net computer by connecting line, and this second external USB interface is connected with outer net computing machine by connecting line;
Link controller, for PLC, connect respectively the first microrelay coil and the second microrelay coil, and automatically switch in turn and connect described inner USB interface and the first external USB interface or the second external USB interface by the first microrelay contact sets and the second microrelay contact sets according to pre-provisioning request.
As further improvement, described link controller also comprises shutdown switch and manual selection switch, and this shutdown switch switches connects PLC or manual selection switch, and this manual selection switch connects respectively the first microrelay coil and the second microrelay coil.
As further improvement, described manual selection switch is provided with key.
As further improvement, described PLC replaces with single-chip microcomputer.
As further improvement, described transponder also comprises Switching Power Supply, and this Switching Power Supply is connected with external power source with described link controller respectively.
As further improvement, described transponder also includes two pilot lamp, and this two pilot lamp connects respectively the first microrelay coil and the second microrelay coil.
Compared with prior art, the utility model has been obtained following technique effect:
1,, in operatorless situation, the automatic switchover that link controller can be remained valid in its physical life always, has realized the inside and outside network physical isolation automatic mode of exchanges data down.
2, system is simple and reliable, easy and simple to handle, and hardware loss is low.
3, physical isolation is effective, and exchanges data efficiency is high.
In a word, the utlity model has the advantages such as intranet and extranet isolation effect is thorough, exchanges data high efficient and reliable, long service life, effectively avoided the attack of two internetwork hackers and wooden horse, ensured the safety of internal network, can not only be for exchange and the unloading of network data, and the automatic or manual that can also be applied to USB interface equipment switches, such as printer, facsimile recorder etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, link isolation transponder between two server described in the utility model is further described, but should limit protection domain of the present utility model with this.
Refer to Fig. 1, between two server described in the utility model, link isolation transponder comprises microrelay, link controller 9, inner usb 11, transfer USB flash disk 10, the first external USB interface 1, the second external USB interface 13, two pilot lamp 7 and Switching Power Supply 5; Between this two server, whole components and parts of link isolation transponder are installed on a circuit board, are also furnished with female type terminals, protection fuse etc. on this circuit board.
Described microrelay comprises the first microrelay coil 2, the first microrelay contact sets 6, the second microrelay coil 12 and the second microrelay contact sets 8; This first microrelay coil 2 connects and controls the break-make of the first microrelay contact sets 1, and this second microrelay coil 12 connects and control the break-make of the second microrelay contact sets 8.
P+, P-on described inner usb 11, D+, tetra-interfaces of D-extend into 4 buses on circuit board, connect respectively described the first microrelay contact sets 6 and the second microrelay contact sets 8.
Described transfer USB flash disk 10 is connected with described inner usb 11.
Described the first external USB interface 1 is connected with inner net computer 3 by connecting line, and the second external USB interface 13 is connected with outer net computing machine 4 by connecting line; This first external USB interface 1 connects described the first microrelay contact sets 6, the second external USB interfaces 13 and connects described the second microrelay contact sets 8.
Described link controller 9 comprises PLC or single-chip microcomputer, shutdown switch and manual selection switch; PLC or single-chip microcomputer connect respectively the first microrelay coil 2 and the second microrelay coil 12, this manual selection switch also connects respectively the first microrelay coil 2 and the second microrelay coil 12, this shutdown switch switches connects PLC or manual selection switch, or switches connection single-chip microcomputer or manual selection switch.
In described PLC or single-chip microcomputer, be provided with automatic control program, make link controller 9 pass through the first microrelay contact sets 6 and the second microrelay contact sets 8 according to predefined sequential, automatically switch in turn and connect described inner usb 11 and the first external USB interface 1 or the second external USB interface 13, thereby automatically connect in turn described transfer USB flash disk 10 and inner net computer 3, or connect transfer USB flash disk 10 and outer net computing machine 4.Regulation is each in program only sends instruction to a microrelay coil, only connects one group of microrelay contact sets, and in synchronization, 9 of link controllers, to a microrelay coil electricity, only have the work of one group of microrelay contact sets at every turn; In other words, the energising of the first microrelay coil 2 and the second microrelay coil 12 is relations of "or", there is interlocked relationship in the ON Action of the first microrelay contact sets 6 and the second microrelay contact sets 8, in synchronization, the control of link controller 9 or transfer USB flash disk 10 and inner net computer 3 are connected and transmitted data, make transfer USB flash disk 10 and outer net computing machine 4 connect and transmit data, and can not occur transfer USB flash disk 10 simultaneously with the situation of inner net computer 3 and 4 connections of outer net computing machine.Sequential arrange can according to user need to carry out flexible allocation, whole automated procedure is the cyclic process of an automatic program execution.
In order to provide an approach to manual intervention under special circumstances, press after described shutdown switch, between two server, link isolation transponder proceeds to manual state of a control, and rotary manual selector switch can realize the thorough isolation of intranet and extranet equally, equally safe and reliable with automatic control.In order to increase security, described manual selection switch is provided with key.
The contact of described microrelay is to belong to rigid line contact, and the disjunction of contact is the isolation in physical space, is equal to physical isolation, has therefore guaranteed that each switching is all safe, and the circuit between microrelay coil and contact is also isolated simultaneously.
Described Switching Power Supply 5 is connected with external power source with described link controller 9 respectively, so that the operation power of link isolation transponder between two server to be provided.
Two described pilot lamp 7 connect respectively the first microrelay coil 2 and the second microrelay coil 12, to show their duty, are convenient to the working condition that managerial personnel observed and grasped link isolation transponder between described two server.
Automatic operational process of the present utility model is as follows:
First after link controller 9 is connected inner net computer 3 and transfer USB flash disk 10, inner net computer 3 and transfer USB flash disk 10 swap datas, link controller 9 is switched to the state of outer net computing machine 4 and 10 connections of transfer USB flash disk afterwards, and outer net computing machine 4 carries out exchanges data with transfer USB flash disk 10.Link isolation transponder transferring data file safely between described two server, has effectively avoided the attack of two internetwork hackers and wooden horse.
In actual use procedure, the unloading of data is a kind of application mode of the present utility model, for example, so long as the equipment of USB interface all can adopt link isolation transponder between described two server to carry out automatic or manual switching, printer, facsimile recorder etc.
Claims (6)
1. between two server, link is isolated a transponder, it is characterized in that: described transponder comprises:
Microrelay, comprises the first microrelay coil, the first microrelay contact sets, the second microrelay coil and the second microrelay contact sets that is connected and is controlled by this second microrelay coil that by this first microrelay coil, are connected and controlled;
Inner USB interface, connects respectively described the first microrelay contact sets and the second microrelay contact sets;
Transfer USB flash disk, connects described inner USB interface;
The the first external USB interface and the second external USB interface that is connected described the second microrelay contact sets that connect described the first microrelay contact sets, this the first external USB interface is connected with inner net computer by connecting line, and this second external USB interface is connected with outer net computing machine by connecting line;
Link controller, for PLC, connect respectively the first microrelay coil and the second microrelay coil, and automatically switch in turn and connect described inner USB interface and the first external USB interface or the second external USB interface by the first microrelay contact sets and the second microrelay contact sets according to pre-provisioning request.
2. between two server according to claim 1, link is isolated transponder, it is characterized in that: described link controller also comprises shutdown switch and manual selection switch, this shutdown switch switches connects PLC or manual selection switch, and this manual selection switch connects respectively the first microrelay coil and the second microrelay coil.
3. link isolation transponder between two server according to claim 2, is characterized in that: described manual selection switch is provided with key.
4. link isolation transponder between two server according to claim 1 and 2, is characterized in that: described PLC replaces with single-chip microcomputer.
5. link isolation transponder between two server according to claim 1, is characterized in that: described transponder also comprises Switching Power Supply, and this Switching Power Supply is connected with external power source with described link controller respectively.
6. link isolation transponder between two server according to claim 1, is characterized in that: described transponder also includes two pilot lamp, and this two pilot lamp connects respectively the first microrelay coil and the second microrelay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322848.1U CN203966116U (en) | 2014-06-17 | 2014-06-17 | Link isolation transponder between a kind of two server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322848.1U CN203966116U (en) | 2014-06-17 | 2014-06-17 | Link isolation transponder between a kind of two server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966116U true CN203966116U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322848.1U Expired - Fee Related CN203966116U (en) | 2014-06-17 | 2014-06-17 | Link isolation transponder between a kind of two server |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601598A (en) * | 2015-02-09 | 2015-05-06 | 中国兵器工业集团第五三研究所 | Device and method for automatically achieving unidirectional transmission of data between intranet and internet by physical isolation |
| CN106603390A (en) * | 2016-12-28 | 2017-04-26 | 广州文冲船厂有限责任公司 | File ferry device and method doing the same |
| CN107018139A (en) * | 2017-04-24 | 2017-08-04 | 宁波永耀信息科技有限公司 | Data duplex mutually passes automation equipment between a kind of separation net based on mobile memory medium |
| CN109150912A (en) * | 2018-10-17 | 2019-01-04 | 北京京航计算通讯研究所 | Big data exchanges management method between net based on secure memory techniques |
| CN112929330A (en) * | 2021-01-19 | 2021-06-08 | 山东万博科技股份有限公司 | Internetwork data safety exchange device |
-
2014
- 2014-06-17 CN CN201420322848.1U patent/CN203966116U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601598A (en) * | 2015-02-09 | 2015-05-06 | 中国兵器工业集团第五三研究所 | Device and method for automatically achieving unidirectional transmission of data between intranet and internet by physical isolation |
| CN106603390A (en) * | 2016-12-28 | 2017-04-26 | 广州文冲船厂有限责任公司 | File ferry device and method doing the same |
| CN107018139A (en) * | 2017-04-24 | 2017-08-04 | 宁波永耀信息科技有限公司 | Data duplex mutually passes automation equipment between a kind of separation net based on mobile memory medium |
| CN109150912A (en) * | 2018-10-17 | 2019-01-04 | 北京京航计算通讯研究所 | Big data exchanges management method between net based on secure memory techniques |
| CN112929330A (en) * | 2021-01-19 | 2021-06-08 | 山东万博科技股份有限公司 | Internetwork data safety exchange device |
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| Date | Code | Title | Description |
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| 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: 20141126 Termination date: 20210617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |