CN213149753U

CN213149753U - Portable computer network security encryption device

Info

Publication number: CN213149753U
Application number: CN202022087816.6U
Authority: CN
Inventors: 杨嵩岩
Original assignee: Quanzhou Ci Satellite Communications Co ltd
Current assignee: Beijing ZHONGDUN Anbang Data Technology Co.,Ltd.
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-07
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a portable computer network security encryption device, which comprises a closed housing, the PCB board of setting in the casing, the central processing unit of setting on the PCB board, the network entry module, the network export module, password key entry module and power module, central processing unit respectively with the network entry module, the network export module, password key entry module and power module are connected, power module still with the network entry module, network export module and password key entry module are connected, central processing unit passes through the network entry module and is connected with the computer, be connected with the internet through the network export module, seted up on the casing and exposed the network entry module respectively, the network export module, password key entry module and power module's a plurality of through-holes. The utility model discloses to independent computer design, it is with low costs, avoid taking place the extravagant or not enough condition of hardware resources, and small light in weight conveniently carries, is particularly useful for removing the official working scene.

Description

Portable computer network security encryption device

Technical Field

The utility model relates to a portable computer network security encryption device.

Background

With the rapid development of global informatization, the whole world is rapidly integrating, and a large number of various information systems are built as key infrastructures for countries and governments. Network security is an important part of ensuring the construction of this critical infrastructure. At present, a general principle of a network security system of a computer or other networking equipment (hereinafter referred to as a computer) which is constructed in a hardware mode is to encrypt uplink data (data uploaded to the internet) and decrypt downlink data (data issued by the internet) by an encryption and decryption device so as to realize the security of the data at a cloud end.

However, the method has the disadvantages of construction complexity, construction compatibility and inflexible hardware resource allocation:

1. the construction mode is complicated: if a computer needs to use a password key with identity information, specific software needs to be installed on the computer or a client application program needs to be modified, which relates to the problems of stability, safety, construction workload and the like of a computer system;

2. construction suitability: the use of different operating systems (Windows, Mac, Linux, etc.) involves adaptability problems;

3. hardware resource allocation is not flexible: the encryption and decryption device carries out encryption and decryption operation on uplink data and downlink data of the computer, if the number of the computers is too large, the encryption and decryption device cannot load too large operation amount, and if the number of the computers is too small, hardware resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art not enough, provide a portable computer network security encryption device, to independent computer design, with low costs, avoid taking place the extravagant or not enough condition of hardware resources, and small light in weight conveniently carries, is particularly useful for removing the official working scene.

The utility model discloses a following technical scheme realizes:

the utility model provides a portable computer network security encryption device, which comprises a closed shell, the PCB board of setting in the casing, the central processing unit of setting on the PCB board, the network entry module, the network export module, password key entry module and power module, central processing unit respectively with the network entry module, the network export module, password key entry module and power module are connected, power module still with the network entry module, network export module and password key entry module are connected, central processing unit passes through the network entry module and is connected with the computer, be connected with the internet through the network export module, set up on the casing and expose network entry module respectively, the network export module, password key entry module and power module's a plurality of through-holes.

Further, the central processing unit adopts an MCIMX6Y2CVM05AB chip.

Further, the network entry module and the network exit module each include a LAN8720A chip.

Furthermore, the casing includes bottom plate, top cap and sets up the locking mechanism between bottom plate, PCB board and top cap, has seted up the louvre on the top cap.

Further, the casing is the cuboid, and locking mechanism includes two first holes of stepping down that set up on two diagonal angles of bottom plate, set up two second holes of stepping down that correspond the position at the PCB board, set up two connecting blocks that correspond the position in the top cap inboard, set up the screw on the connecting block respectively and pass first, second in proper order and step down the bolt of hole back locking in the screw.

Further, the network inlet module and the network outlet module each include an RJ45 interface, a standard network cable interface, or a telephone line plus modem interface.

Further, the input of the password key entry module can be a U disk or a TF card.

Further, the power module comprises a USB interface.

The utility model discloses following beneficial effect has:

1. the utility model discloses a network entry module is connected with the computer, convert the network signal that the computer sent into the usable signal of central processing unit, perhaps convert the signal that central processing unit sent into the usable signal of computer, in order to realize the network signal transmission between central processing unit and the computer, be connected with the internet through network exit module, in order to realize the network signal transmission of central processing unit and internet, central processing unit then carries out after password services such as digital certificate reading, key exchange transmission to the user through password key entry module, encrypt the network signal of computer and send to the internet, perhaps encrypt the network signal of internet and send to the computer; aiming at the design of an independent computer, the existing external network or application service can be directly converted into the secure encryption link service with identity authentication, the system is adapted to various operating systems, and the existing computer is not required to be transformed on software; the system has a plurality of computers and a plurality of safety encryption devices, and a central processing unit of each safety encryption device realizes the encryption related operation function required by one computer, thereby avoiding the condition of hardware resource waste or insufficiency; the casing can protect each module, and a plurality of through-holes of seting up on it can make things convenient for the connection of safe encryption device and computer, internet etc. to connect and can use, and easy operation is convenient, and small (design size is less than 85mm x 55mm x 22mm length and width height) light in weight (design weight is less than 200 grams), conveniently carries, does not restrict the designated area, is particularly useful for removing the official working scene.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a first exploded structure of fig. 1.

Fig. 3 is a schematic view of a second exploded structure of fig. 1.

Fig. 4 is a schematic block diagram of the present invention.

Fig. 5 is a circuit diagram of the network entry module of the present invention.

Fig. 6 is a circuit diagram of the power module and the password key entry module of the present invention.

Fig. 7 is a circuit diagram of the cpu of the present invention.

Wherein, 1, a shell; 11. a base plate; 12. a top cover; 13. a first abdicating hole; 14. a second abdicating hole; 15. connecting blocks; 16. a screw hole; 17. heat dissipation holes; 18. a support block; 19. a spacer block; 110. a through hole; 2. a PCB board; 3. a central processing unit; 4. a network entry module; 5. a network egress module; 6. a password key entry module; 7. a power supply module; 8. a computer; 9. an internet; 10. a code key.

Detailed Description

As shown in fig. 1 to 7, the portable computer network security encryption device includes a closed housing 1, a PCB 2 disposed in the housing 1, a central processing unit 3 disposed on the PCB 2, a network entry module 4, a network exit module 5, a password key 10 entry module 6 and a power supply module 7, wherein the central processing unit 3 is connected to the network entry module, the network exit module 5, the password key 10 entry module 6 and the power supply module 7, the power supply module 7 is further connected to the network entry module 4, the network exit module 5 and the password key 10 entry module 6, the central processing unit 3 is connected to a computer 8 through the network entry module 4, and is connected to the internet 9 through the network exit module 5.

The shell 1 is a cuboid and comprises a bottom plate 11, a top cover 12 and a locking mechanism arranged between the bottom plate 11, the PCB 2 and the top cover 12, wherein a plurality of supporting blocks 18 are arranged on the bottom plate 11 at intervals, the PCB 2 is arranged on the supporting blocks 18, a heat dissipation hole 17 is arranged on the top cover 12, four through holes 110 respectively exposing the network inlet module 4, the network outlet module 5, the password key 10 inlet module 6 and the power module 7 are also arranged on the top cover 12, the locking mechanism comprises two first abdicating holes 13 arranged on two opposite corners of the bottom plate 11, two second abdicating holes 14 arranged on corresponding positions of the PCB 2, two connecting blocks 15 arranged on corresponding positions on the inner side of the top cover 12, screw holes 16 respectively arranged on the connecting blocks 15 and bolts sequentially passing through the first abdicating holes 13 and the second abdicating holes 14 and then being locked in the screw holes 16, two spacing blocks 19 are also respectively arranged on the inner sides of two long, when the top cover 12 is covered on the bottom plate 11, the central processor 3 is located between the two partitions 19.

The network entry module 4 is used for realizing network data interaction between the central processing unit 3 and the computer 8, and converts a network signal sent by the computer 8 into a signal usable by the central processing unit 3 and converts a signal sent by the central processing unit 3 into a network signal usable by the computer 8, so as to finally realize network signal transmission between the central processing unit 3 and the computer 8.

The network outlet module 5 is used for realizing network data interaction between the central processing unit 3 and the internet 9, and converts a network signal sent by the internet 9 into a signal which can be used by the central processing unit 3 and a signal sent by the central processing unit 3 into a network signal which can be used by the internet 9, and finally realizes network signal transmission between the central processing unit 3 and the internet 9.

The circuit diagrams of the network inlet module 4 and the network outlet module 5 are the same, both adopt PHY (interface physical layer) chips LAN8720A, adopt RMII interfaces for communication with the central processor 3, support auto mdix (cross/direct network cable auto-identification) functions, and the external physical interface is an RJ45 interface with a network transformer (HR 91105A). In other embodiments, the external physical interface may alternatively be a standard network interface or a telephone line plus modem interface.

The central processing unit 3 performs cryptographic services such as digital certificate reading, key exchange transmission and the like on a user through the cryptographic key 10 entry module 6, encrypts and transmits a network signal of the computer 8 to the internet 9, or encrypts and transmits a network signal of the internet 9 to the computer 8. Used by the central processing unit 3

The MCIMX6Y2CVM05AB chip has an Arm Cortex-A7 framework as a core, 528MHz dominant frequency, low cost and high performance.

The entry module 6 of the cryptographic key 10 is used for implementing services such as transmission and processing of the digital certificate and the public key of the cryptographic key 10 (such as UKEY) by the central processing unit 3. The input to the password key 10 entry module 6 may be a physical storage medium in the form of a usb disk, TF card, etc., or a built-in password key 10.

The input power of the power module 7 is low-power-consumption and low-voltage input, the power is obtained through a direct USB interface, and the input power is converted into power required by each module through a plurality of LDOs (low dropout regulators) so as to supply power to each module.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. A portable computer network security encryption apparatus, characterized in that: including the sealed housing, the PCB board of setting in the casing, the central processing unit of setting on the PCB board, the network entry module, the network export module, password key entry module and power module, central processing unit respectively with the network entry module, the network export module, password key entry module and power module are connected, power module still with the network entry module, network export module and password key entry module are connected, central processing unit passes through the network entry module and is connected with the computer, be connected with the internet through the network export module, set up on the casing and expose the network entry module respectively, the network export module, password key entry module and power module's a plurality of through-holes.

2. A portable computer network security encryption apparatus according to claim 1, wherein: the central processing unit adopts an MCIMX6Y2CVM05AB chip.

3. A portable computer network security encryption apparatus according to claim 1, wherein: the network entry module and the network exit module each include a LAN8720A chip.

4. A portable computer network security encryption device according to claim 1, 2 or 3, wherein: the shell comprises a bottom plate, a top cover and a locking mechanism arranged among the bottom plate, the PCB and the top cover, and heat dissipation holes are formed in the top cover.

5. The portable computer network security encryption apparatus of claim 4, wherein: the casing is the cuboid, and locking mechanism includes that two first holes of stepping down, two second holes of stepping down, two connecting blocks, the screw that sets up respectively on the connecting block and pass first, second in proper order and step down the bolt of hole back locking in the screw that the hole corresponds the position at PCB board corresponding position, setting in the top cap inboard two connecting blocks that correspond the position.

6. A portable computer network security encryption apparatus according to claim 3, wherein: the network inlet module and the network outlet module respectively comprise RJ45 interfaces, standard network cable interfaces or telephone line and modem interfaces.

7. A portable computer network security encryption device according to claim 1, 2 or 3, wherein: the input of the password key entry module can be a U disk or a TF card.

8. A portable computer network security encryption device according to claim 1, 2 or 3, wherein: the power module comprises a USB interface.