CN2609062Y - Network system capable of implementing connection of two networks by using single-machine and single line - Google Patents
Network system capable of implementing connection of two networks by using single-machine and single line Download PDFInfo
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- CN2609062Y CN2609062Y CN 03204438 CN03204438U CN2609062Y CN 2609062 Y CN2609062 Y CN 2609062Y CN 03204438 CN03204438 CN 03204438 CN 03204438 U CN03204438 U CN 03204438U CN 2609062 Y CN2609062 Y CN 2609062Y
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Abstract
The utility model discloses a network selector which enables single computer surfs on double nets with single line. The selector comprises a switching device, a network card, a first hard disc and a second hard disc. Wherein, the switching device is connected with the first net and the second net as well as the network card; the network card is connected with the computer, and the switching device is connected respectively with the first hard disc and the second hard disc; the switching device comprises a control card, a switching switch and a converter. The control card is provided with a network cable switching switch for switching the network card and the first net and the second net, a power switching switch unit for switching different hard discs to connect with the power source. The device adopts the physical isolation, which can ensure safety of network data, and has simple installation convenience and reliability, and strong commonality, therefore, the device realizes one computer with functions of surfing on double nets through single line, and improves further the utilization rate of the computer and network. By adopting the device, double nets can be built through single line or the single line net can be changed into double nets, besides, the cost of network creation and network conversion is comparatively low, which is not only economic, but also convenient and feasible.
Description
Technical field
The utility model relates to a kind of network selector of realizing two nets on the unit single line, the network selector of the isolation of especially a kind of isolation that is applicable to computer workstation (Intranet office computer and outer net working computer) and network (internal office work net and extranets), can realize that a computing machine adopts the function of two nets (internal office work net and extranets) on the netting twine, satisfy physically-isolated requirement, be specially adapted to single line and build the workstations that two nets or single line net change two nets.Belong to the computer network facility field.
Background technology
Development along with network and computing machine, the safe handling of network security and computing machine has been subjected to people's close attention, and people can only accomplish mostly that generally the safety of network is isolated or the safety of computer workstation is isolated in the prior art, the hard disk isolation card is adopted in the isolation of computer workstation, it has realized the isolation of workstation, but can't satisfy the isolation of the network equipment; In isolated device, Network Physical Separator is arranged, what adopt in existing network is 8 core twisted-pair feeders, and network is in operation and has only used four fronts, remaining four line leaves unused, Network Physical Separator is to utilize two in four idle in netting twine fronts to transmit switching signal, sends signal at the workstation end by netting twine, carries out network by the Network Physical Separator that places the winding displacement frame end according to signal and switches; Also have a kind of dual power supply trigger-type network security to isolate converting switch device, but this network security converting switch device can only be accomplished the isolation of two-wire network.
As seen, in the prior art, perhaps can accomplish the isolation of workstation, perhaps can accomplish the isolation of network, the isolation of the workstation that can only accomplish the two-wire network that also has and select corresponding network, people in use have been subjected to a lot of restrictions.Go up simultaneously two nets if will realize single line, having only hard disk isolation card and Network Physical Separator to cooperate just can reach, but the required expense of its in use average each interface (do not comprise and add hard disk) is about 1000 yuan, and cost is higher for the user.
The utility model content
The utility model is at the deficiencies in the prior art, a kind of network selector of realizing two nets on the unit single line is proposed, it not only can be isolated workstation, and internal-external network safety is isolated, guaranteed the safety of network and computer data, realize a computing machine by two nets on the single netting twine, thereby further improved the utilization factor of computing machine and network.
Another purpose of the present utility model is at the deficiencies in the prior art, propose a kind of network selectors of realizing on the unit single line two nets, utilize this device can carry out that single line is built two nets or the single line net changes two nets, and networking and to change the net cost relatively low, promptly economical, convenient again feasible.
The purpose of this utility model is achieved through the following technical solutions:
A kind of network selector of realizing two nets on the unit single line is characterized in that: comprise at least: switching device shifter, and network interface card, first hard disk, second hard disk, wherein,
Switching device shifter is connected with first network, second network and network interface card;
Switching device shifter also is connected with first hard disk, second hard disk respectively;
Network interface card, first hard disk and second hard disk are connected with computing machine respectively.
Described switching device shifter further comprises: control card and converter; Wherein, control card is connected with converter with network interface card respectively by first, second network interface, and control card is connected with first hard disk, second hard disk respectively; Converter is connected with first network, second network simultaneously.
Described control card comprises: first network interface, second network interface, control commutation circuit;
Be provided with the change-over switch group of first, second netting twine and the change-over switch group of first, second power supply in the control commutation circuit; Also be provided with simultaneously and be used to control the change-over switch that first, second netting twine switches set is switched mutually and first, second power switch group is switched mutually.
First network interface is connected with second network interface by first, second netting twine switches set;
First, second power switch group of control commutation circuit connects first hard disk and second hard disk respectively, and this first, second power switch group has only a power switch group that power supply is connected with the hard disk that is connected with this power switch group simultaneously.
The signal halves of second network interface is two groups, be connected with the working signal of first network interface by first, second netting twine change-over switch group respectively, and, in this first, second netting twine change-over switch group, have only a netting twine switches set that the working signal of first network interface is connected with the one group of second network interface signal that links to each other with this netting twine change-over switch group simultaneously.
Described converter is provided with the translation interface that is connected with control card second network interface at least and is used to be connected first network, the second network of network interface;
The network interface that is connected with first network is connected with the working signal of first network interface by the first netting twine change-over switch group that is connected with second network interface on the control card;
The network interface that is connected with second network is connected with the working signal of first network interface by the second netting twine change-over switch group that is connected with second network interface on the control card.
In sum, the utility model advantage is
1, makes full use of the existing resource of netting twine;
2, be used to set up two nets of single line or single line net and change two nets and compare with alternate manner and can save a netting twine and hub side does not need additionally to add equipment, so can reduce cost;
3, simple to operate, safe and reliable, convenient feasible, do not influence legacy network and computing power.
The utility model not only can be isolated workstation, and internal-external network safety is isolated, and has guaranteed the safety of network and computer data, has realized a computing machine by two nets on the single netting twine, thereby further improves the utilization factor of computing machine and network; Utilize this device can carry out that single line is built two nets or the single line net changes two nets, and networking and to change the net cost relatively low, promptly economic, make things convenient for feasible again.
Description of drawings
Fig. 1 is a control card structural representation of the present utility model;
Fig. 2 is a converting switch device structural representation of the present utility model;
Fig. 3 is commutator principle figure of the present utility model.
Embodiment
Below in conjunction with a preferred embodiment and accompanying drawing the technical program is described in detail:
A kind of network selector of realizing two nets on the unit single line comprises at least: switching device shifter, and network interface card, first hard disk, second hard disk, wherein,
Switching device shifter is connected with first network, second network and network interface card;
Switching device shifter also is connected with first hard disk, second hard disk respectively.
Switching device shifter further comprises control card and converter.
Be the control card structural representation as shown in Figure 1 and Figure 2, this control card has six interfaces, wherein, port 7 is a signaling interface, be connected with the signaling interface of converting switch device, network interface 5, network interface 6 are the RJ45 interface, network interface 5 connects network interface card, network interface 6 connects the input end translation interface Z mouth of converter, interface 8,9,10 is power interface, wherein, interface 8 is used to connect the power interface of computing machine, and interface 9,10 is respectively applied for the hard disk of computer-internal and is connected with the hard disk that adds in addition.
K1 on it, K2, K3, K4, K5, K6, K7, K8 are respectively relay switch, relay switch K1, K6, K7 are the first power switch group, K2, K3, K8 are the second source switches set, switches set K4 is the first netting twine switches set, the first group of signal that connects network interface 5 and network interface 6, switches set K5 is the second netting twine switches set, connects second group of signal of network interface 5 and network interface 6.Change-over switch N on the converting switch device switches mutually for being used to control first, second netting twine switches set, the change-over switch of switching mutually with first, second power switch group, by the selected network difference of the change-over switch on this converting switch device, power switch group and netting twine switches set are moved simultaneously, control this single netting twine with which network is connected, which hard disk is connected with power supply.
Fig. 3 is the structural representation of converter, and port Z is used for being connected with the network interface 6 of control card, and network interface X is used for being connected with different networks with network interface Y.
Specific as follows described:
The hard disk that adds is contained on the hard disk rack in the computing machine, again two hard disks are all connected data line, and the power supply of these two hard disks is respectively by the hard disk power interface 9 and 10 power supplies of hard disk power interface that are connected on the control card, the original hard disk power connection of computing machine is connected on the control card power interface 8, connect wire jumper JP1 and JP2 on the control card, signal end 7 on the control card connects converting switch device 2 by signal wire, network interface 6 switches through the network interface Z of parallel operation by netting twine, network interface 5 connects network interface card by the netting twine wire jumper, power switch M with converting switch device 2 before computer booting closes, by which network that elects of the change-over switch N on the converting switch device 2.
When change-over switch N points to the P point, when connecting the B line, open computer power supply, relay switch K1 connects on the control card, disconnect the normally closed relay K3 on the control card 1, the relay group K7 that connects on the control card 1 powers to the hard disk power interface on the control card 9, connect the hard disk power supply, connect the relay group K4 on the control card simultaneously, with the network interface card front L1 on the RJ45 interface 5 on the control card, L2, L3, netting twine L1 on the RJ45 interface 6 on the L6 connection control card 1, L2, L3, L6, by converter 3 it is transformed on the X mouth of converter 3, insert corresponding network by the X mouth, just the transmission signals of Y mouth is cut off when connecting the X mouth like this, and the normally closed relay K6 on the control card is by D line and B line formation closed-loop path, the signal lamp S on the converting switch device 2 is luminous.After the computing machine opening power, relay K 1 on the control card forms the loop by the wire jumper JP1 on the control card at this moment, make high level is arranged on the B line all the time, as the switch M that disconnects on the converting switch device 2, relay switch K1 on the control card still connects, and relay K on the control card 7 and K4 also are on-state like this.Change-over switch N on converting switch device 2 points to the Q point; promptly disconnect the B line and connect the C line; owing to connect before the C line; K3 on the relay on the control card is for opening state; though the C line is a high level; but no current, so can't connect relay K 2 on the control card, circuit has just had defencive function behind computer booting like this.
Gauge tap N points to the Q point on converting switch device 2, when connecting the C line, open computer power supply, relay switch K2 connects on the control card, disconnect the normally closed relay K6 on the control card, connect the relay group K8 on the control card, hard disk power port 10 on the control card 1 is connected hard disk, be the hard disk power supply, connect the relay group K5 on the control card simultaneously, K5 is used for the network interface card front L1 on the RJ45 interface 5 on the control card, L2, L3, netting twine L4 on the RJ45 interface 6 on the L6 connection control card, L5, L7, L8, by special converter 3 it is transformed on the Y mouth of special converter 3, inserts corresponding network by the Y mouth, like this when connecting the Y mouth just with the transmission signals cut-out of X mouth, and the normally closed relay K3 on the control card forms the closed-loop path by E line and C line, and the signal lamp T on the converting switch device 2 is luminous.After the computing machine opening power, relay K 2 on the control card forms the loop by the wire jumper JP2 on the control card at this moment, make high level is arranged on the C line all the time, as the switch M that disconnects on the converting switch device 2, relay switch K2 on the control card still connects, and relay K on the control card 8 and K5 also are on-state like this.Switch N on converting switch device 2 points to the P point; promptly disconnect the C line and connect the B line; owing to connect before the B line; K6 on the relay on the control card is for opening state; though the B line is a high level; but no current, so can't connect relay K 1 on the control card, circuit has just had defencive function behind computer booting like this.
As shown from the above technical solution, after making selection, open computer power supply, converting switch device can not be controlled selection again, the utlity model has safe and reliable performance, can not produce harmful effect to computing machine owing to user's misoperation, and when the user will reselect, shut down computer, and then select, again start, this process also is the process that the operation parts in the computing machine carry out zero clearing, and this also is to be used for guaranteeing a kind of reliable means that information can not transmitted mutually between the heterogeneous networks.
It should be noted that at last: above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1, a kind of network selector of realizing two nets on the unit single line is characterized in that: comprise at least: switching device shifter, and network interface card, first hard disk, second hard disk, wherein,
Switching device shifter is connected with first network, second network and network interface card;
Switching device shifter also is connected with first hard disk, second hard disk respectively;
Network interface card, first hard disk and second hard disk are connected with computing machine respectively.
2, the network selector of realizing two nets on the unit single line according to claim 1, it is characterized in that: described switching device shifter further comprises: control card and converter; Wherein, control card is connected with converter with network interface card respectively by first, second network interface, and control card is connected with first hard disk, second hard disk respectively; Converter is connected with first network, second network simultaneously.
3, the network selector of realizing two nets on the unit single line according to claim 2, it is characterized in that: described control card comprises: first network interface, second network interface, control commutation circuit;
Be provided with the change-over switch group of first, second netting twine and the change-over switch group of first, second power supply in the control commutation circuit; Also be provided with simultaneously and be used to control the change-over switch that first, second netting twine switches set is switched mutually and first, second power switch group is switched mutually.
First network interface is connected with second network interface by first, second netting twine switches set;
First, second power switch group of control commutation circuit connects first hard disk and second hard disk respectively, and this first, second power switch group has only a power switch group that power supply is connected with the hard disk that is connected with this power switch group simultaneously.
4, the network selector of realizing two nets on the unit single line according to claim 3, it is characterized in that: the signal halves of described second network interface is two groups, is connected with the working signal of first network interface by first, second netting twine change-over switch group respectively; And, in this first, second netting twine change-over switch group, have only a netting twine switches set that the working signal of first network interface is connected with the one group of second network interface signal that links to each other with this netting twine change-over switch group simultaneously.
5, the network selectors of realizing on the unit single line two nets according to claim 2 is characterized in that: described converter is provided with the translation interface that is connected with control card second network interface at least and is used to be connected first network, the second network of network interface; Wherein:
The network interface that is connected with first network connects the working signal of first network interface on the control card by the first netting twine switches set on the control card;
The network interface that is connected with second network connects the working signal of first network interface on the control card by the second netting twine switches set on the control card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204438 CN2609062Y (en) | 2003-02-21 | 2003-02-21 | Network system capable of implementing connection of two networks by using single-machine and single line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204438 CN2609062Y (en) | 2003-02-21 | 2003-02-21 | Network system capable of implementing connection of two networks by using single-machine and single line |
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| CN2609062Y true CN2609062Y (en) | 2004-03-31 |
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| CN 03204438 Expired - Fee Related CN2609062Y (en) | 2003-02-21 | 2003-02-21 | Network system capable of implementing connection of two networks by using single-machine and single line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021076370A1 (en) * | 2019-10-14 | 2021-04-22 | Voss Michael Steven | Air gap system and method using out of band signaling |
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2003
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021076370A1 (en) * | 2019-10-14 | 2021-04-22 | Voss Michael Steven | Air gap system and method using out of band signaling |
| US11425102B2 (en) | 2019-10-14 | 2022-08-23 | Michael Steven Voss | Air gap system and method using out of band signaling |
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| CF01 | Termination of patent right due to non-payment of annual fee |