CN207166786U - A kind of encryption communication terminal based on 4G networks - Google Patents
A kind of encryption communication terminal based on 4G networks Download PDFInfo
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- CN207166786U CN207166786U CN201721126632.8U CN201721126632U CN207166786U CN 207166786 U CN207166786 U CN 207166786U CN 201721126632 U CN201721126632 U CN 201721126632U CN 207166786 U CN207166786 U CN 207166786U
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- 238000004891 communication Methods 0.000 title claims abstract description 48
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000013500 data storage Methods 0.000 description 2
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Abstract
The utility model discloses a kind of encryption communication terminal based on 4G networks, including MCU module；The MCU module is connected with radio receiving transmitting module, key-press module, 4G communication modules, Encryption Decryption module, display module；Power module is the MCU module, radio receiving transmitting module, key-press module, 4G communication modules, Encryption Decryption module, display module provide working power.The utility model can be good at ensureing the stability and data security performance, complete performance of data link.Meanwhile using 4G network formats data can be made to be greatly improved in transmission speed.
Description
Technical field
It the utility model is related to communication terminal equipment, particularly a kind of encryption communication terminal based on 4G networks.
Background technology
In recent years, along with social economy and the rapid development of industry, also there occurs earth-shaking change for power system.
In power grid construction, the especially proposition of intelligent grid, to communicated between distribution main website and distribution terminal speed, security with
And stability proposes higher requirement.
Since on December 14th, 2013, China Mobile obtained first 4G licence plate of China, China is in 4G networkings
And obtain the development advanced by leaps and bounds in operation.4G networks have that speed is fast, network connection is stable relative to traditional 2G networks
The advantages of.According to State Grid Corporation of China to distribution terminal secure accessing functional requirement, distribution terminal, which should embed, supports domestic commercialization
The safety chip of cryptographic algorithm, the bidirectional identification of distribution terminal and distribution main website is realized using the digital authentication technology based on SM2
Certification, the application layer message between distribution terminal and distribution main website should use SM1 encryption and decryption measures, it is ensured that the confidentiality of data and
Integrality.
Conventional communication terminal is communicated by the way of based on 2G mobile networks or Ethernet with main website, and both the above is led to
Shortcoming be present in news scheme.Have that data transmit-receive speed is slow and Link State is unstable on communication link using 2G mobile networks
It is fixed.Using wiring by the way of Ethernet being then present and the shortcomings that constructional difficulties and high cost.
Utility model content
The utility model aims to provide a kind of encryption communication terminal based on 4G networks, ensure data link stability and
Data safety performance, complete performance, lift the transmission speed of data.
In order to solve the above technical problems, technical scheme is used by the utility model：A kind of encryption based on 4G networks
Communicating terminal, including MCU module；The MCU module and radio receiving transmitting module, key-press module, 4G communication modules, encrypting and decrypting mould
Block, display module connection；Power module is the MCU module, radio receiving transmitting module, key-press module, 4G communication modules, encryption solution
Close module, display module provide working power.
The radio receiving transmitting module uses SX1212 micropower radio transmitting and receiving chips.
The radio receiving transmitting module is communicated by SPI interface with the MCU module.
The 4G communication modules use Neoway N720 4G communication modules.
The 4G communication modules are communicated by UART interface with the MCU module.
The Encryption Decryption module uses SC1161Y safety chips.
The display module uses LCD of the dot matrix size for 160*160.
The key-press module uses 3*3 matrix press-key.
The 4G communication modules and distribution master station communication.
Compared with prior art, had the beneficial effect that possessed by the utility model：The utility model is as a result of 4G nets
The Encryption Decryption module of the advanced technologies such as network, the digital authentication technology based on SM2 and the AES based on SM1, can be fine
Guarantee data link stability and data security performance, complete performance.Meanwhile data can be made to exist using 4G network formats
It is greatly improved in transmission speed.
Brief description of the drawings
Fig. 1 is the utility model embodiment structured flowchart；
Fig. 2 is the utility model SX1212 simplified block diagrams；
Fig. 3 is the utility model 4G communication module simplified block diagrams；
Fig. 4 is the utility model encryption and decryption schematic diagram；
Fig. 5 is the utility model 160*160 liquid crystal block diagrams.
Embodiment
This communicating terminal is mainly used in electrical power distribution automatization system, and its main function is to be communicated to lower with collecting unit,
Obtain real time information and the fault message of power network.Communicated on by 4G mobile networks with distribution terminal, by data with
The mode of encrypted message uploads to distribution main website.
Relative to traditional distribution communicating terminal, the communication mode between the system and main website uses 4G networks, and uses
Digital authentication technology based on SM2 AESs realizes the bidirectional identity authentication with distribution main website, and uses and added based on SM1
Application layer message is encrypted close algorithm, to ensure safety and complete performance of the data in transmitting procedure.
The utility model structure chart is as shown in Figure 1.
1st, MCU module
The MCU module of terminal uses 32 bit processor STM32F407 of ST companies, and data processing function is powerful.Whole system
The core of system operation, liquid crystal display, lower wireless telecommunications are controlled, to upper 4G network communications control etc..
2nd, key-press module
Device key-press module major function is that real time information and event of failure information inquiry, definite value setting, logic are matched somebody with somebody
The key-press input function of putting.
3rd, liquid crystal display
Show real time information and event of failure information, definite value inquiry and the display of modification human-computer interaction interface.
4th, to lower communication module
It is the SX1212 micropower radio transmitting and receiving chips using SEMTECH companies to lower communication module, this chip possesses
The high spread speeds of 100kbps, and very low operating power.
5th, to upper communication module
It is the Neoway N720 4G communication modules using You Fang companies to upper communication module, the module meets national grid
The technical standard of company.
6th, power module
Major function provides stable direct current 3.3V, 5V power supply and 24V power supplys for device, and module is defeated using support alternating current-direct current
The Switching Power Supply entered, it is AC/DC220V that input, which is surveyed, and outlet side exports for the direct current 5V and 24V of stability margin.
The utility model is to lower Principle of Communication such as Fig. 2, to lower communication using radio transceiver communication module, the mould
Block is a single-chip FSK and OOK transceivers, can be worked in the ISM band of 300 to 510MHZ licenses, in the present system the mould
Block is communicated by SPI interface with MCU.SX1212 chips are mainly made up of frequency synthesizer, transmitter, receiver.
SX1212 is a fully-integrated Integer N type PLL frequency synthesizer, and it embedded in the reference frequency that crystal oscillator is used for PLL
Rate；Transmitter main function is to convert digital signals into the analog signal with certain frequency, and is modulated by FSK or OOK
Afterwards, the signal is sent；The main function of receiver is the faint analog signal that will be received, amplified, filtering,
After demodulation process, data signal is converted to.
Upper communication is communicated using 4G communication modules with distribution main website, the module is a based on the complete of high-pass platform
Netcom's technical grade communication module, there is -40 DEG C to 80 DEG C of ultra-wide operating temperature range, support the 2G/3G/ of domestic three big operators
4G network formats, and have abundant hardware interface.Its simplified block diagram is as shown in figure 3, MCU by UART and is somebody's turn to do in the present system
Module is communicated.
Such as Fig. 4, this communicating terminal employs the digital authentication technology based on SM2 and realized to be recognized with the bidirectional identification of distribution terminal
Card, and employ the domestic commercial symmetric cryptographic algorithm based on SM1 and encryption and decryption is carried out to application layer message.Mainly use state
Net distribution terminal safety chip SC1161Y realizes these functions, and the encryption chip is 32 bit CPU cores of a support SPI interface
Piece, can be as the unique mark of equipment, there is provided safe available for the security protection of the end side in electrical power distribution automatization system
Hardware platform and important data storage function.Terminal can realize encrypting and decrypting and the system of main website of terminal data using the chip
The functions such as the bidirectional identity authentication of system, the integrity protection of communication data, ensure terminal device data storage, transmission, interaction
Security.
Specific communicating step is as follows：
(1) main website initiates connection request to gateway, it is desirable to is attached with terminal；
(2) authentication gateway initiates the TCP connections between terminal, and the bidirectional identification carried out between gateway and terminal is recognized
Card；
(3) after certification success, the result of successful connection is returned to main website by gateway；
(4) main website starts to initiate the connection with terminal, and carries out main website and the bidirectional identity authentication of terminal；
(5) after certification success, the information such as the chip serial number of main website reading terminals and key version；
(6) service interaction is proceeded by between main website and terminal.
As shown in figure 5, it is 160*160 LCD as human-computer interaction interface that dot matrix size is used in this terminal system
It has been shown that, using input of the 3*3 matrix press-key as man-machine interaction.As illustrated, be the inside theory diagram of LCDs,
That LCDs is controlled by liquid-crystal controller UC1698U inside it, MCU be then by way of 8080 parallel ports with
The Liquid Crystal Module is communicated.
Claims (9)
1. a kind of encryption communication terminal based on 4G networks, it is characterised in that including MCU module；The MCU module is received with wireless
Send out module, key-press module, 4G communication modules, Encryption Decryption module, display module connection；Power module is the MCU module, nothing
Line transceiver module, key-press module, 4G communication modules, Encryption Decryption module, display module provide working power.
2. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the radio receiving transmitting module
Using SX1212 micropower radio transmitting and receiving chips.
3. the encryption communication terminal according to claim 2 based on 4G networks, it is characterised in that the radio receiving transmitting module
Communicated by SPI interface with the MCU module.
4. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the 4G communication modules are adopted
With Neoway N720 4G communication modules.
5. the encryption communication terminal according to claim 4 based on 4G networks, it is characterised in that the 4G communication modules lead to
UART interface is crossed to communicate with the MCU module.
6. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the Encryption Decryption module
Using SC1161Y safety chips.
7. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the display module uses
Dot matrix size is 160*160 LCD.
8. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the key-press module uses
3*3 matrix press-key.
9. the encryption communication terminal according to claim 1 based on 4G networks, it is characterised in that the 4G communication modules with
Distribution master station communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126632.8U CN207166786U (en) | 2017-09-04 | 2017-09-04 | A kind of encryption communication terminal based on 4G networks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126632.8U CN207166786U (en) | 2017-09-04 | 2017-09-04 | A kind of encryption communication terminal based on 4G networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166786U true CN207166786U (en) | 2018-03-30 |
Family
ID=61719559
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721126632.8U Expired - Fee Related CN207166786U (en) | 2017-09-04 | 2017-09-04 | A kind of encryption communication terminal based on 4G networks |
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| Country | Link |
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| CN (1) | CN207166786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809645A (en) * | 2018-07-24 | 2018-11-13 | 南方电网科学研究院有限责任公司 | Key negotiation method and device and power distribution automation system |
| CN108881224A (en) * | 2018-06-19 | 2018-11-23 | 南方电网科学研究院有限责任公司 | Encryption method and related device for power distribution automation system |
| CN110365103A (en) * | 2018-04-09 | 2019-10-22 | 中国电力科学研究院有限公司 | A kind of wireless universal type low-power consumption power dispatching data transmitting device and control method |
-
2017
- 2017-09-04 CN CN201721126632.8U patent/CN207166786U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365103A (en) * | 2018-04-09 | 2019-10-22 | 中国电力科学研究院有限公司 | A kind of wireless universal type low-power consumption power dispatching data transmitting device and control method |
| CN108881224A (en) * | 2018-06-19 | 2018-11-23 | 南方电网科学研究院有限责任公司 | Encryption method and related device for power distribution automation system |
| CN108809645A (en) * | 2018-07-24 | 2018-11-13 | 南方电网科学研究院有限责任公司 | Key negotiation method and device and power distribution automation system |
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| 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: 20180330 |