CN2587019Y - Computer network transforming circuit - Google Patents

Abstract

The utility model relates to a computer network transforming circuit, which is composed of a single chip computer (SCM) 1, a network switching control circuit 2, a hard disk switching control circuit 3, a power supply monitoring circuit 4, a communication interface circuit 5 and a user set switch 6. The SCM reads the set value selected by the user set switch and the signal input by the monitoring circuit, controls the network and the hard disk switching circuits and swaps data with a computer by the communication interface. When the computer is started, the utility model automatically completes the switching of the computer network and the setup of parameters, selects a system hard disk and an accessed network and is directly arranged in a slot of an expansion bus of the computer according to user selection.

Description

The computer network translation circuit

Technical field

The present invention relates to a kind of switching device shifter, especially a kind of computer network translation circuit.

Background technology

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.

Summary of the invention

Technical matters to be solved by this invention provides a kind of hard disc of computer and LAN (Local Area Network) conversion equipment, 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 technical solution adopted for the present invention to solve the technical problems is: a kind of hard disc of computer and LAN (Local Area Network) conversion equipment, 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 hard disc of computer and LAN (Local Area Network) conversion equipment, 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 invention 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 invention has the beneficial effects as follows: 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.

Description of drawings

Fig. 1 is hard disc of computer of the present invention and LAN (Local Area Network) conversion equipment electrical schematic diagram.

Concrete true mode

Fig. 1, hard disc of computer and LAN (Local Area Network) conversion equipment 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.Hard disc of computer and LAN (Local Area Network) conversion equipment 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, communication interface circuit 5 is directly installed in the computing machine expansion bus groove. and single-chip microcomputer 1 adopts INTEL87C51 monolithic 8 bit CPUs, single-chip microcomputer 1 reads the setting value of user's configuration switch 6 selections and the signal of observation circuit 4 inputs, 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 present invention will protect.

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.K1 connection, K2 cut off computer, and using system hard disk 1K2 connects, K1 cuts off computer using system hard disk 2.K3 connection, K4 and K5 cut off computer and connect A network K4 connection, K3 and K5 and cut off computer and connect B network K5 connection, K3 and K4 and cut off computer and connect C network K3, K4 and K5 other are connected off-state computing machines and disconnect any network.

Bigger application prospect is arranged.

Claims (2)

1. computer network translation circuit, 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 translation circuit according to claim 1 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.

Images