CN207541618U - A kind of network physical isolation apparatus - Google Patents
A kind of network physical isolation apparatus Download PDFInfo
- Publication number
- CN207541618U CN207541618U CN201721126692.XU CN201721126692U CN207541618U CN 207541618 U CN207541618 U CN 207541618U CN 201721126692 U CN201721126692 U CN 201721126692U CN 207541618 U CN207541618 U CN 207541618U
- Authority
- CN
- China
- Prior art keywords
- outer net
- intranet
- voltage stabilizing
- net
- unit
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of network physical isolation apparatus, belong to technical field of network equipment, including interior net unit, control unit, outer net unit and power supply unit, interior net unit passes through control unit and outer net unit communication, solves the problems, such as in electric system the technical issues of physical barrier between Intranet and outer net, the utility model is by the way of data monitoring, external network data is monitored, greatly improve the safety of outer net connection, the utility model is by the way of control power supply is separated, ensure interior Network Communication with being powered during outbound communication difference, it ensure that and physically separate internal-external network, it ensure that information security.
Description
Technical field
The utility model belongs to technical field of network equipment, more particularly to a kind of network physical isolation apparatus.
Background technology
The important infrastructure of electric power monitoring system and dispatch data net as electric system, not only with power generation, warp
Battalion it is related to service, and with dispatching of power netwoks and the safe operation tight association of control system, be the important of power system security
Component part, power generation are directly related to national economy, safety problem be always national departments concerned concern emphasis it
One.
Utility model content
The purpose of this utility model is to provide a kind of network physical isolation apparatus, solves Intranet and outer net in electric system
Between physical barrier problem the technical issues of.
To achieve the above object, the utility model uses following technical scheme：
A kind of network physical isolation apparatus, including interior net unit, control unit, outer net unit and power supply unit, Intranet list
Member passes through control unit and outer net unit communication；
Interior net unit include Intranet RAM, interior net controller, Intranet network interface and Intranet hard disk, Intranet RAM, Intranet network interface and
Intranet hard disk is electrically connected with interior net controller；
Control unit includes FPGA controller, RFID read-write chip, RF antennas, control interface, data monitor and FLASH
Memory, RFID read-write chip, control interface and data monitor are electrically connected with FPGA controller, and RF antennas connection RFID is read
Write chip, FLASH memory connection data monitor；
Outer net unit include outer net RAM, outer net controller, outer net hard disk and outer net network interface, outer net RAM, outer net hard disk and
Outer net network interface is electrically connected with outer net controller；
Power supply unit includes power module, Intranet Voltage stabilizing module, control voltage stabilizing chip and outer net Voltage stabilizing module, power module
It powers for Intranet Voltage stabilizing module, control voltage stabilizing chip and the power supply of outer net Voltage stabilizing module, Intranet Voltage stabilizing module for interior net unit, outer net
Voltage stabilizing module is powered for outer net unit, and control voltage stabilizing chip in order to control power by unit；
Intranet Voltage stabilizing module and outer net Voltage stabilizing module are equipped with Enable Pin, the Enable Pin of Intranet Voltage stabilizing module and outer net voltage stabilizing
The Enable Pin of module is connect with FPGA controller, and Intranet RAM, interior net controller and outer net controller connect with FPGA controller
It connects, peripheral RAM connections data monitor.
The interior net controller and the outer net controller are ARM9 controllers；The Intranet hard disk and the outer net are hard
Disk is solid state disk；The model of the Intranet RAM and the outer net RAM are IS62WV51216BLL-55TLI.
The data monitor is CPLD controllers.
The control interface is 232 serial ports.
The Intranet Voltage stabilizing module, the control voltage stabilizing chip and the model of the outer net Voltage stabilizing module are
TPS7350QD。
A kind of network physical isolation apparatus described in the utility model, solves in electric system between Intranet and outer net
The technical issues of physical barrier problem, the utility model is by the way of data monitoring, and external network data is monitored, greatly
The safety of outer net connection is improved, the utility model is by the way of control power supply is separated, it is ensured that interior Network Communication and outer Netcom
It is powered when believing different, ensure that and physically separate internal-external network, ensure that information security.
Description of the drawings
Fig. 1 is the functional-block diagram of the utility model.
Specific embodiment
A kind of network physical isolation apparatus as shown in Figure 1, including interior net unit, control unit, outer net unit and power supply
Unit, interior net unit pass through control unit and outer net unit communication；
Interior net unit include Intranet RAM, interior net controller, Intranet network interface and Intranet hard disk, Intranet RAM, Intranet network interface and
Intranet hard disk is electrically connected with interior net controller；
Control unit includes FPGA controller, (the RFID read-write chip is the prior art to RFID read-write chip, therefore unknown
Thin narration), RF antennas, control interface, data monitor and FLASH memory, RFID read-write chip, control interface and data prison
Visual organ is electrically connected with FPGA controller, RF antennas connection RFID read-write chip, FLASH memory connection data monitor；
Outer net unit include outer net RAM, outer net controller, outer net hard disk and outer net network interface, outer net RAM, outer net hard disk and
Outer net network interface is electrically connected with outer net controller；
Power supply unit includes power module, Intranet Voltage stabilizing module, control voltage stabilizing chip and outer net Voltage stabilizing module, power module
It powers for Intranet Voltage stabilizing module, control voltage stabilizing chip and the power supply of outer net Voltage stabilizing module, Intranet Voltage stabilizing module for interior net unit, outer net
Voltage stabilizing module is powered for outer net unit, and control voltage stabilizing chip in order to control power by unit；
Intranet Voltage stabilizing module and outer net Voltage stabilizing module are equipped with Enable Pin, the Enable Pin of Intranet Voltage stabilizing module and outer net voltage stabilizing
The Enable Pin of module is connect with FPGA controller, and Intranet RAM, interior net controller and outer net controller connect with FPGA controller
It connects, peripheral RAM connections data monitor.
The interior net controller and the outer net controller are ARM9 controllers；The Intranet hard disk and the outer net are hard
Disk is solid state disk；The model of the Intranet RAM and the outer net RAM are IS62WV51216BLL-55TLI.
The data monitor is CPLD controllers.
The control interface is 232 serial ports.
The Intranet Voltage stabilizing module, the control voltage stabilizing chip and the model of the outer net Voltage stabilizing module are
TPS7350QD。
In use, when Network Communication in needs, user is equipped with the RFID card for being stored with user information, and user is connect by control
Mouth sends out Intranet communications command, and the RFID card of oneself is placed on RF antennas, and FPGA controller is read by RFID read-write chip
The information of RFID card is taken, after confirming user information, the Enable Pin of control Intranet Voltage stabilizing module enables, so as to make Intranet Voltage stabilizing module
Inside net unit power supply, while the Enable Pin of FPGA controller control outer net Voltage stabilizing module does not enable, and powers off outer net unit, it is interior
Net controller is by Intranet network interface and interior Network Communication, and by Intranet information temporary storage to Intranet RAM, and passes through serial ports and notifies FPGA
Controller, FPGA controller is read from Intranet RAM or storing intranet information；
When needing using outer net, user sends out outbound communication order, and the RFID card of oneself is put by control interface
On RF antennas, FPGA controller reads the information of RFID card by RFID read-write chip, after confirming user information, controls outer net
The Enable Pin of Voltage stabilizing module enables, so as to make the inside net unit power supply of outer net Voltage stabilizing module, while FPGA controller control Intranet
The Enable Pin of Voltage stabilizing module does not enable, and powers off interior net unit, and outer net controller is incited somebody to action outer by outer net network interface and outbound communication
In net information temporary storage to outer net RAM, and FPGA controller is notified by serial ports, FPGA controller notifies data monitor from outer net
Extranet information is read or stored in RAM；Data monitor is split extranet information by the way of general separator processing,
And keyword is read from FLASH memory, data monitor compares extranet information and keyword, if there is identical
Keyword then sends out alarm, the external net unit power-off of FPGA controller control outer net Voltage stabilizing module, so as to disconnected to FPGA controller
Over net；If without identical keyword, extranet information is transmitted to FPGA controller by data monitor.
Identification key of the keyword for the mistrustful website of user's storage.
A kind of network physical isolation apparatus described in the utility model, solves in electric system between Intranet and outer net
The technical issues of physical barrier problem, the utility model is by the way of data monitoring, and external network data is monitored, greatly
The safety of outer net connection is improved, the utility model is by the way of control power supply is separated, it is ensured that interior Network Communication and outer Netcom
It is powered when believing different, ensure that and physically separate internal-external network, ensure that information security.
Claims (5)
1. a kind of network physical isolation apparatus, it is characterised in that：Including interior net unit, control unit, outer net unit and power supply list
Member, interior net unit pass through control unit and outer net unit communication；
Interior net unit includes Intranet RAM, interior net controller, Intranet network interface and Intranet hard disk, Intranet RAM, Intranet network interface and Intranet
Hard disk is electrically connected with interior net controller；
Control unit includes FPGA controller, RFID read-write chip, RF antennas, control interface, data monitor and FLASH storages
Device, RFID read-write chip, control interface and data monitor are electrically connected with FPGA controller, RF antennas connection RFID read-write core
Piece, FLASH memory connection data monitor；
Outer net unit includes outer net RAM, outer net controller, outer net hard disk and outer net network interface, outer net RAM, outer net hard disk and outer net
Network interface is electrically connected with outer net controller；
It is interior that power supply unit, which includes power module, Intranet Voltage stabilizing module, control voltage stabilizing chip and outer net Voltage stabilizing module, power module,
Net Voltage stabilizing module, control voltage stabilizing chip and the power supply of outer net Voltage stabilizing module, Intranet Voltage stabilizing module are powered for interior net unit, outer net voltage stabilizing
Module is powered for outer net unit, and control voltage stabilizing chip in order to control power by unit；
Intranet Voltage stabilizing module and outer net Voltage stabilizing module are equipped with Enable Pin, the Enable Pin of Intranet Voltage stabilizing module and outer net Voltage stabilizing module
Enable Pin connect with FPGA controller, Intranet RAM, interior net controller and outer net controller are connect with FPGA controller,
Peripheral RAM connections data monitor.
2. a kind of network physical isolation apparatus as described in claim 1, it is characterised in that：The interior net controller and described outer
Net controller is ARM9 controllers；The Intranet hard disk and the outer net hard disk are solid state disk；The Intranet RAM and institute
The model for stating outer net RAM is IS62WV51216BLL-55TLI.
3. a kind of network physical isolation apparatus as described in claim 1, it is characterised in that：The data monitor is controlled for CPLD
Device processed.
4. a kind of network physical isolation apparatus as described in claim 1, it is characterised in that：The control interface is 232 serial ports.
5. a kind of network physical isolation apparatus as described in claim 1, it is characterised in that：It is the Intranet Voltage stabilizing module, described
The model for controlling voltage stabilizing chip and the outer net Voltage stabilizing module is TPS7350QD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126692.XU CN207541618U (en) | 2017-09-05 | 2017-09-05 | A kind of network physical isolation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126692.XU CN207541618U (en) | 2017-09-05 | 2017-09-05 | A kind of network physical isolation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541618U true CN207541618U (en) | 2018-06-26 |
Family
ID=62608839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721126692.XU Expired - Fee Related CN207541618U (en) | 2017-09-05 | 2017-09-05 | A kind of network physical isolation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541618U (en) |
-
2017
- 2017-09-05 CN CN201721126692.XU patent/CN207541618U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20200905 |