CN2439063Y - Computer network and system switching device - Google Patents
Computer network and system switching device Download PDFInfo
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- CN2439063Y CN2439063Y CN 00218848 CN00218848U CN2439063Y CN 2439063 Y CN2439063 Y CN 2439063Y CN 00218848 CN00218848 CN 00218848 CN 00218848 U CN00218848 U CN 00218848U CN 2439063 Y CN2439063 Y CN 2439063Y
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Abstract
The utility model relates to a computer network and system switching device which is composed of a single chip computer 1, a network switching control circuit 2, a hard disk switching control circuit 3, a power monitoring circuit 4, a communication interface circuit 5 and a user set switch 6, wherein, the single chip computer reads set values selected by the user set switch and signals input by the monitoring circuit to control the network switching circuit and the hard disk switching circuit to exchange data with a computer by a communication interface. The utility model can automatically complete switching computer networks and setting parameters according to user selections when the computer is started, and the utility model selects a system hard disk and a connected network. The utility model can be directly installed in an expansion bus slot of the computer.
Description
The utility model relates to makes computing machine support hard disk to insert the switching device shifter of independent LAN (Local Area Network), belongs to computer annex.
Along with development of computer, the computer network construction of enterprises just more and more comes into one's own.Consider the security that network is current, backbone network and the Internet distinct pattern on physical routing are adopted in the internal computer network construction of some important enterprises or department.But concerning terminal, this terminal can only connect enterprises backbone network or the Internet, can not make full use of the computer resource of terminal.If wish to utilize a computing machine can connect two networks respectively, then must reconfigure network parameter, and want conversion to connect the physical interface of network, operate quite loaded down with trivial detailsly, and cause the network communication fault or the damage network equipment easily.
The purpose of this utility model is to provide a kind of computer network and system's switching device shifter, and this switching device shifter is finished the switching of computer network and the configuration of parameter automatically according to operator's selection, selecting system hard disk and the selected network that inserts.
The utility model is realized by following technical proposal.
A kind of computer network and system's switching device shifter, it is characterized in that described switching device shifter is by single-chip microcomputer, the network control switching circuit, the hard disk control switching circuit, electric source monitoring circuit, communication interface circuit and user's configuration switch are formed, the network control switching circuit is made up of data latches and relay, relay is connected with a plurality of networks, data latches connects single-chip microcomputer and is subjected to Single-chip Controlling, data output drives relay, the hard disk control switching circuit is made up of data latches and electronic switch, electronic switch is connected with a plurality of hard disks, data latches connects single-chip microcomputer and is subjected to Single-chip Controlling, data output drives electronic switch, electric source monitoring circuit is made up of power supply monitoring IC, and connect single-chip microcomputer and be subjected to Single-chip Controlling, the communication interface circuit is made up of communication chip, connect the line data exchange of going forward side by side of single-chip microcomputer and computing machine, user's configuration switch is made up of toggle switch, user's configuration switch connection single-chip microcomputer.
In above-mentioned computer network and system's switching device shifter, user's configuration switch is made up of 5 toggle switches, 2 toggle switch initialization system hard disks, 3 toggle switch setting networks.
Principle of work of the present utility model is that single-chip microcomputer reads selected hard disk of user's configuration switch and network, and the Control Network control switching circuit carries out network and switches, and control hard disk control switching circuit carries out the hard disk switching.By communication interface circuit and computing machine swap data, finish the switching of network and hard disk and the configuration of parameter, the hard disk and the network operation that computing machine can be set according to the user.The start power on signal of electric source monitoring circuit monitoring computer, reset signal etc., and read user's setting value, data are imported single-chip microcomputer.
The utility model computer network and system's switching device shifter, carry out exchanges data by communication interface circuit and computing machine, select according to the user, the switching device shifter control computer is selecting system hard disk and the selected network of access when starting, have independent calculating and control ability, and can be directly installed in the computing machine expansion bus groove.
Fig. 1 is the utility model computer network and system's switching device shifter electrical schematic diagram.
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, computer network and system's switching device shifter are that a kind of computing machine that makes can be selected according to the user, select a disc operating system (DOS) to insert multiple independently LAN (Local Area Network) respectively, or select different disc operating system (DOS) to insert the device of multiple independent LAN (Local Area Network) respectively.Computer network and system's switching device shifter are made up of single-chip microcomputer 1, network control switching circuit 2, hard disk control switching circuit 3, electric source monitoring circuit 4, communication interface circuit 5 and user's configuration switch 6, and communication interface circuit 5 is directly installed in the computing machine expansion bus groove.
Single-chip microcomputer 1 adopts INTEL87C51 monolithic 8 bit CPUs, and single-chip microcomputer 1 reads the setting value of user's configuration switch 6 selections and the signal of observation circuit 4 inputs, and Control Network is switched and hard disk switches, by communication interface circuit 5 and computing machine swap data.
Network control switching circuit 2 is made up of data latches and relay, and relay is connected with a plurality of separate networks, and data latches connects single-chip microcomputer 1 and is subjected to single-chip microcomputer 1 control, and data output drives relay, and relay is connected with selected network.Data latches is conventional 74 serial integrated circuit, as 74LS373,74LS374, the network that single-chip microcomputer 1 is selected according to the user, corresponding data output latch is arrived the network selecting control register, driving circuit is accepted the output data of network selecting control register, drive corresponding relays,, disconnect other irrelevant networks with the selected network of connecting subscribers participating.
Hard disk control switching circuit 3 is made up of data latches and electronic switch, and electronic switch is connected with a plurality of hard disks, and data latches connects single-chip microcomputer 1 and is subjected to single-chip microcomputer 1 control, and data output drives electronic switch, and electronic switch is connected with selected hard disk.Data latches adopts conventional 74 serial integrated circuit, electronic switch is the high speed simulant electronic switch, the hard disk that single-chip microcomputer 1 is selected according to the user, corresponding data output latch is selected control register to hard disk, driving circuit is accepted the output data that hard disk is selected control register, drive corresponding electronic switch, with the selected hard-disk system of connecting subscribers participating.
Electric source monitoring circuit 4 is made up of power supply monitoring IC, connect single-chip microcomputer 1 and be subjected to single-chip microcomputer 1 control, this power supply monitoring IC is used for the start power on signal, reset signal etc. of monitoring computer, correctly reads user's setting value, and the switching of control disk and network.
Communication interface circuit 5 is made up of communication chip, connect the line data exchange of going forward side by side of single-chip microcomputer 1 and computing machine, communication chip is RS232, and communication interface circuit 5 is directly installed in the computing machine expansion bus groove, and single-chip microcomputer 1 is by RS232 communication interface circuit 5 and computing machine exchange communication data.
The user selects configuration switch 6 to be made up of 5 toggle switches, wherein 2 toggle switch initialization system hard disks, 3 toggle switch setting networks, and user's configuration switch connects single-chip microcomputer 1, the network that the user selects hard-disk system and will insert by external configuration switch.
Present embodiment has been selected 2 hard disks and 3 networks for use, has typicalness.Also can set 3 hard disks and 2 networks, or more networks or the like, this does not influence the scope that the utility model will be protected.
When concrete operations, 5 toggle switches are defined as K1, K2, K3, K4, K5 respectively, K1 and K2 selective system hard disk, and K3, K4 and K5 select network.
At first, selective system hard disk K1 connects, K2 cuts off computer, and using system hard disk 1K2 connects, K1 cuts off computer using system hard disk 2
The second, other are connected off-state computing machines and disconnect any network to select network K3 connection, K4 and K5 to cut off computer to connect A network K4 connection, K3 and K5 to cut off computer to connect B network K5 connection, K3 and K4 to cut off computer to connect C network K3, K4 and K5
The 3rd, the combination in any of selective system hard disk and selection network
Combination 1: computing machine using system hard disk 1, computing machine is connected A network (as INTERNET); Shutdown back switch connects B network (intranet), start again, and then computing machine is connected the B network; Shutdown back switch connects the C network, start again, and then computing machine is connected the C network.When connecting A, B, C network respectively, the system disk that computing machine uses is 1, and during computing machine using system hard disk 2, computing machine is disconnected any network.Equally, but also using system hard disk 2 is connected A, B, C network respectively, and during computing machine using system hard disk 1, computing machine is disconnected any network.
Combination 2: computing machine using system hard disk 1, connect the A network; Shutdown back switch connects the B network, start again, and then computing machine is connected the B network.Computing machine using system hard disk 2, computing machine is connected the C network.Equally, computing machine using system hard disk 1 is connected the A network.Computing machine using system hard disk 2, computing machine is connected the B network; Shutdown back switch connects the C network, start again, and then computing machine is connected the C network.
The utility model computer network and system's switching device shifter are applied to terminal, can improve the service efficiency of terminal computer, and it is convenient and simple that the operation that makes a computing machine can connect two networks respectively becomes, and this device has bigger application prospect.
Claims (2)
1. a computer network and system's switching device shifter, it is characterized in that described switching device shifter is by single-chip microcomputer, the network control switching circuit, the hard disk control switching circuit, electric source monitoring circuit, communication interface circuit and user's configuration switch are formed, the network control switching circuit is made up of data latches and relay, relay is connected with a plurality of networks, data latches connects single-chip microcomputer and is subjected to Single-chip Controlling, data output drives relay, the hard disk control switching circuit is made up of data latches and electronic switch, electronic switch is connected with a plurality of hard disks, data latches connects single-chip microcomputer and is subjected to Single-chip Controlling, data output drives electronic switch, electric source monitoring circuit is made up of power supply monitoring IC, and connect single-chip microcomputer and be subjected to Single-chip Controlling, the communication interface circuit is made up of communication chip, connect the line data exchange of going forward side by side of single-chip microcomputer and computing machine, user's configuration switch is made up of toggle switch, user's configuration switch connection single-chip microcomputer.
2. computer network according to claim 1 and system's switching device shifter is characterized in that described user's configuration switch is made of 2 toggle switch initialization system hard disks, 3 toggle switch setting networks 5 toggle switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218848 CN2439063Y (en) | 2000-08-15 | 2000-08-15 | Computer network and system switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218848 CN2439063Y (en) | 2000-08-15 | 2000-08-15 | Computer network and system switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2439063Y true CN2439063Y (en) | 2001-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00218848 Expired - Fee Related CN2439063Y (en) | 2000-08-15 | 2000-08-15 | Computer network and system switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2439063Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241383B (en) * | 2008-03-14 | 2010-10-13 | 吴兆红 | Computer main unit supporting multi- hard disk independent startup and its accomplishing method |
| CN102375518A (en) * | 2010-08-06 | 2012-03-14 | 董建飞 | Device and method for controlling power supplies of hard disks |
| CN103164166A (en) * | 2011-12-13 | 2013-06-19 | 深圳市天方信安电子科技有限公司 | Method for switching different data reservoirs through memory latched switch |
-
2000
- 2000-08-15 CN CN 00218848 patent/CN2439063Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241383B (en) * | 2008-03-14 | 2010-10-13 | 吴兆红 | Computer main unit supporting multi- hard disk independent startup and its accomplishing method |
| CN102375518A (en) * | 2010-08-06 | 2012-03-14 | 董建飞 | Device and method for controlling power supplies of hard disks |
| CN103164166A (en) * | 2011-12-13 | 2013-06-19 | 深圳市天方信安电子科技有限公司 | Method for switching different data reservoirs through memory latched switch |
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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 |