CN2590064Y - Multifunctional computer double system physical isolation switch controller - Google Patents
Multifunctional computer double system physical isolation switch controller Download PDFInfo
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- CN2590064Y CN2590064Y CN 02257284 CN02257284U CN2590064Y CN 2590064 Y CN2590064 Y CN 2590064Y CN 02257284 CN02257284 CN 02257284 CN 02257284 U CN02257284 U CN 02257284U CN 2590064 Y CN2590064 Y CN 2590064Y
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- control circuit
- network
- power supply
- switch
- port
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Abstract
The utility model relates to a multifunctional computer double-system physical isolation switch controller, which is an electronic device used for automatic safety isolation switch in double-operating system or double-network system. The utility model belongs to the technical field of information system safety. The utility model can control and select the combination of various interface types and hard disks with various models and can also control and select various interface types of network and valid interfaces. When the device is manipulated, the software system and the hardware system of a computer can not be destroyed. The utility model can simultaneously support a plurality of wiring systems which comprises the isolation switch among various network environments of a dial-up network system or the isolation switch or non-isolation switch of the double-operating system of a stand-alone computer. The utility model is composed of an electronic switch control circuit, an integrated power supply output gate control circuit, an electronic jumper terminal gate control circuit and a multifunctional network port type selection gate control circuit, wherein, the electronic switch control circuit is provided with a phase locking control. An electronic switch can effectively control and gate a proper power supply output port and an electronic jumper terminal. The utility model can select two effective types in a group of multifunctional network ports and gate the selected types.
Description
Technical field multi-action computer dual system physical isolation switch controller (hereinafter to be referred as " controller ") is that the computer system security that is used to dual operating systems is installed or connect the dual network environment is isolated the electronic equipment that switches.Say that technically it belongs to computer information system safety technique field.
The common method of the switching of the existing computing machine dual operating systems of background technology is to establish two system partitionings or two block system hard disks, the system that artificial selection will start when computer starting are installed on single hard disk.This method is not only convenient inadequately, and does not realize the physical isolation of dual system, can not prevent viral cross-infection effectively.The isolation handover scheme of current unicomputer dual network system is to do authentication with server or fire wall, i.e. the software isolation scheme.The software isolation scheme is difficult to fundamentally stop the concerning security matters network system and attacked by " hacker ".
Someone proposed with duplex computer switch, duplex computer power supply control computer system, thereby realized physical isolation.This method does not have generality, does not promptly meet the universality principle.
Comprehensive following technology, industrial standard and background science principle, multi-action computer dual system physical isolation switch controller has been realized the physical isolation switching of computing machine dual system at low cost: 1. computer BIOS system or scsi controller can be discerned the hard disk type parameter automatically, and select to start hard disk by the rule of setting; 2. the network comprehensive lining standard adopts 8 core twisted-pair feeders, and computer network is used wherein four, and speech line is used wherein two, and the compatible voice communication interface of data communication interface.3. in automatic control technology, electromagnetic relay is the inexpensive device that is usually used in controlling the gating electric signal; 4. phaselock technique often is used to obtain stable signal in electronic circuit.
The problem that summary of the invention multi-action computer dual system physical isolation switch controller will solve is: realize the automatic switchover of unicomputer dual system with electronic equipment (physical equipment, but not software mode) 1.; 2. this equipment can be controlled and select two hard disc of computer, can control interface type and the valid interface of selecting the multiple network interface again; 3. this equipment is wanted to support polytype hard disk, comprises ide interface hard disk and scsi interface hard disk, favorable compatibility be arranged to the hard disk combination of different production firms, different model, different interface type; 4. any manipulation to this equipment can not destroy computer software, can not damage any hardware component of computer system yet; 5. support following multiple systems handoff functionality simultaneously with an electronic equipment, both multiple functions of equipment has universality:
● the isolation of dual wiring system dual network environment is switched;
● the isolation of single wiring system dual network environment is switched;
● the isolation of LAN system and dial-up networking is switched;
● the non-dial-up networking of one-of-a-kind system and the isolation of dial-up networking are switched;
● the isolation of unicomputer dual operating systems is switched;
● the non-isolation of unicomputer dual operating systems is switched.
The technical scheme of multi-action computer dual system physical isolation switch controller is can to control by fool proof facies-controlled electronic switching circuit with lock (1.) by one, and integrated power supply output gate control circuit (2.), electronics jumper terminal gate control circuit (3.) and multifunctional network port type are selected and gate control circuit (4.).The suitable output port of power source of the state variation may command gating of electronic switch (1.) (
Or
) and the electronics jumper terminal (
Or
) effectively, can one group of multifunctional network port (
Or
) in select two kinds of life types and to its gating.Specify as follows: 1. it is made up of the electronic switch control circuit (1.) of protection mutually with lock a single-pole double-throw (SPDT) mechanical switch () and two electromagnetic relay switches.Two phase-locked relay groups that connect to form of relay, it produces a power supply output signal () by single-pole double-throw switch (SPDT) () control.A power supply input signal () is as the input of single-pole double-throw switch (SPDT), and this signal () is always effective when computer booting.When computer shutdown, whether two different power supply signals () of throwing phase-locked relay group output after the State Control start of single-pole double-throw switch (SPDT) are effective; When computer booting, the state of single-pole double-throw switch (SPDT) switches the state of validity of the power supply signal () that can not change phase-locked relay group output.Therefore, phase-locked electronic switch (1.) has two controllable states: power supply output signal () effective status S1; Power supply output signal () disarmed state S2.Power supply output gate control circuit (2.) it have one+5V and+the power input mouth of 12V (
), two+5V and+output port of power source of 12V (
With
).These three ports are controlled by the electromagnetic relay switch; Relay is by power supply output signal () control of phase-locked electronic switch (1.).When phase-locked electronic switch (1.) is in state S1, first output port of power source (
) effectively, the second source output port (
) invalid; When phase-locked electronic switch is in state S2, the second source output port (
) effectively, first output port of power source (
) invalid.Two output port of power source (
With
) can be respectively give two hard disks power supplies in the computing machine, and the interface type that does not limit two hard disks is ide interface or scsi interface.Electronics jumper terminal gate control circuit (3.) it have two electronics jumper terminals (
With
) and their electromagnetic relay switch composition of control.Relay is by power supply output signal () control of phase-locked electronic switch (1.).When phase-locked electronic switch is in state S1, the first electronics jumper terminal (
) short circuit not, the second electronics jumper terminal (
) short circuit; When phase-locked electronic switch is in state S2, the second electronics jumper terminal (
) short circuit not, the first electronics jumper terminal (
) short circuit.Two electronics jumper terminals (
With
) can need the jumper terminal of the SCSI ID of the master/slave jumper terminal of connection ID E hard disk or SCSI hard disk by use, be used to assist select the validity of the hard disk of compatible difference, perhaps be used for selecting the startup hard disk of the two hard-disk systems of non-shielding system applied environment.This partial design of the type selecting of the network port and gate control circuit (4.) have three compacts, multi-functional, the 8 core network ports that electrical isolation is good (
With
), promptly be used to connect computing machine network interface card and Dial-up Network equipment common port P0 (
), single routing network port or two routing network first port P1 (
), two routing network second port or Dial-up Network port P2 (
).They are controlled by one group of electromagnetic relay switch; Relay is then controlled by the power supply output signal () of phase-locked electronic switch (1.).When phase-locked electronic switch is in state S1, port P0 (
) 1,2,3,6 pin and port P1 (
) 1,2,3,6 pin connect; When phase-locked electronic switch is in state S2, port P0 (
) 1,2,3,6 pin simultaneously with port P1 (
) 4,5,7,8 pin and port P2 (
) 1,2,3,6 pin connect, and port P0 (
) 4,5 pin and port P2 (
) 4,5 pin connect.According to the needs that use, just can in following network environment, isolate the switching computer system by the state that switches phase-locked electronic switch (1.):
● the isolation of dual wiring system dual network environment is switched.At this moment, network port P0 (
) 1,2,3,6 pin and computing machine network interface card
Interface connects, network port P1 (
) 1,2,3,6 pin be connected with the first network layout interface, network port P2 (
)
1,2,3,6 pin be connected with the second network layout interface;
● the isolation of single wiring system dual network environment is switched.At this moment, network port P0 (
) 1,2,3,6 pin and computing machine network interface card
Interface connects, network port P1 (
) 1,2,3,6 pin be connected network-side with first distribution interface of network layout system
Mouth P1 (
) 4,5,7,8 pin be connected with second distribution interface of network layout system;
● the isolation of LAN system and dial-up networking is switched.At this moment, network port P0 (
) 1,2,3,6 pin and calculating
Machine network interface card interface connects, network port P0 (
) 4,5 pin be connected with modem interface, network port P1 (
)
1,2,3,6 pin be connected with LAN cloth line interface, network port P2 (
) 4,5 pin be connected with the dial-up line interface;
● the non-dial-up networking of one-of-a-kind system and the isolation of dial-up networking are switched.At this moment, network port P0 (
) 4,5 pin
Be connected with modem interface, network port P2 (
) 4,5 pin be connected with the dial-up line interface.
Fine dotted line is represented electromagnetic relay or interface module in the appended drawings; The thick dashed line frame is the electronic switch control circuit of protection mutually with lock in 1.; The thick dashed line frame is power supply output gate control circuit in 2.; The thick dashed line frame is an electronics jumper terminal gate control circuit in 3.; The thick dashed line frame is the type selecting and the gate control circuit of the network port in 4.; Solid line indication circuit line.1. output signal is a control input signals 2., 3. and 4..In principle, alternative relay has multiple model, and problem also as a kind of implementation, is selected 8 pin 5V electromagnetic relays for use in the accompanying drawing for convenience of explanation.When the 1 pin loading 5V of relay voltage, during 2 pin ground connection, its 3 pin and 7 pin are connected, and 4 pin and 8 pin are connected; When 1 pin of relay did not power up, its 3 pin and 5 pin were connected, and 4 pin and 6 pin are connected.The electronic switch control circuit input signal 1. of protection mutually with lock also is the input signal of entire controller, its connection computer power supply+5V, and by single-pole double-throw switch (SPDT) control.
Embodiment when realizing multi-action computer dual system physical isolation switch controller, should take into full account controller stability, ease for use, with the compatibility and the manufacturing cost of industrial standard.Can make a computer card to it, so that be fixed in the slot of computer motherboard; Also can make one to it and be convenient to be fixed on other local control enclosurees of computer-internal.For the ease of being connected with computing machine, the 5V relay is selected in suggestion for use.Simultaneously, the quality of relay necessarily will be got well.Network Interface Module should be selected 5 class RJ45 modules of industrial standard for use.Wiring will take into full account the disturbing factor of electric signal.For the ease of operation, can draw with the power supply signal bundle of lines single-pole double-throw switch (SPDT) of 3 cores, also can be made in it on the panel of computer cabinet.
Claims (5)
1, a kind of multi-action computer dual system physical isolation switch controller is characterized in that: it is made of the electronic switch control circuit (1) of protection mutually with lock, the type selecting and the gate control circuit (4) of power supply output gate control circuit (2), electronics jumper terminal gate control circuit (3) and the network port; Wherein, the output signal (12) of the electronic switch control circuit (1) of protection mutually with lock is the type selecting of power supply output gate control circuit (2), electronics jumper terminal gate control circuit (3) and the network port and the control input signals of gate control circuit (4).
2, multi-action computer dual system physical isolation switch controller according to claim 1 is characterized in that: the described electronic switch control circuit (1) of protection mutually with lock is made up of a single-pole double-throw (SPDT) mechanical switch and two electromagnetic relay switches; Two phase-locked relay groups that connect to form of electromagnetic relay, it produces a power supply output signal by the control of single-pole double-throw (SPDT) mechanical switch.
3, multi-action computer dual system physical isolation switch controller according to claim 1 and 2 is characterized in that: described power supply output gate control circuit (2) have one+5V and+the power input mouth of 12V, two+5V and+output port of power source of 12V; These three ports are controlled by the electromagnetic relay switch; Electromagnetic relay is by the power supply output signal control of the electronic switch control circuit (1) of protection mutually with lock.
4, multi-action computer dual system physical isolation switch controller according to claim 1 and 2 is characterized in that: described electronics jumper terminal gate control circuit (3) is made up of two electronics jumper terminals and their electromagnetic relay switch of control; Electromagnetic relay is by the power supply output signal control of the electronic switch control circuit (1) of protection mutually with lock.
5, multi-action computer dual system physical isolation switch controller according to claim 1 and 2, it is characterized in that: the type selecting of the described network port and gate control circuit (4) have three the 8 core network ports, connect computing machine network interface card and the common port P0 of Dial-up Network equipment, single routing network port or two routing network first port P1, two routing network second port P2; They are controlled by one group of electromagnetic relay switch; Electromagnetic relay is by the power supply output signal control of the electronic switch control circuit (1) of protection mutually with lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257284 CN2590064Y (en) | 2002-10-10 | 2002-10-10 | Multifunctional computer double system physical isolation switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257284 CN2590064Y (en) | 2002-10-10 | 2002-10-10 | Multifunctional computer double system physical isolation switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2590064Y true CN2590064Y (en) | 2003-12-03 |
Family
ID=33725283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257284 Expired - Fee Related CN2590064Y (en) | 2002-10-10 | 2002-10-10 | Multifunctional computer double system physical isolation switch controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2590064Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435512C (en) * | 2005-04-18 | 2008-11-19 | 梁雁文 | Network isolating device based on PCI bus and its method |
| CN102130808A (en) * | 2010-01-15 | 2011-07-20 | 张建华 | Enhanced mixed physical isolation method |
| CN106845291A (en) * | 2016-11-10 | 2017-06-13 | 深圳市海邻科信息技术有限公司 | A kind of tablet personal computer device of multisystem hard disk |
-
2002
- 2002-10-10 CN CN 02257284 patent/CN2590064Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435512C (en) * | 2005-04-18 | 2008-11-19 | 梁雁文 | Network isolating device based on PCI bus and its method |
| CN102130808A (en) * | 2010-01-15 | 2011-07-20 | 张建华 | Enhanced mixed physical isolation method |
| CN106845291A (en) * | 2016-11-10 | 2017-06-13 | 深圳市海邻科信息技术有限公司 | A kind of tablet personal computer device of multisystem hard disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |