CN107257250A - A kind of electric power wireless communication terminal based on Micro USB interfaces - Google Patents
A kind of electric power wireless communication terminal based on Micro USB interfaces Download PDFInfo
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- CN107257250A CN107257250A CN201710628410.4A CN201710628410A CN107257250A CN 107257250 A CN107257250 A CN 107257250A CN 201710628410 A CN201710628410 A CN 201710628410A CN 107257250 A CN107257250 A CN 107257250A
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- 238000012545 processing Methods 0.000 claims abstract description 56
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- 230000005611 electricity Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
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- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of electric power wireless communication terminal based on Micro USB interfaces, including power supply processing module, principal communication processing module, data encryption module, ethernet interface module, serial data interface module, SIM card interface module, antennal interface, Micro Sim card interfaces and three Micro USB interfaces；Principal communication processing module is connected with data encryption module, ethernet interface module, serial data interface module, SIM card interface module and antennal interface respectively；Serial data interface module is connected with first Micro USB interface；Ethernet interface module is connected with second Micro USB interface；3rd Micro USB interface is connected with principal communication processing module and power supply processing module respectively；Micro Sim card interfaces are connected with SIM card interface module.The electric power wireless communication terminal realizes the unitized of communication interface, and terminal volume can be also reduced while convenient management.
Description
Technical field
The invention is related to a kind of electric power wireless communication terminal, especially a kind of electric power based on Micro-USB interfaces
Wireless communication terminal.
Background technology
With quickly propelling for intelligent grid construction process, the species and quantity rapid growth of power business, it is to business
Requirement in terms of the communication modes of data, communication quality, security reliability, stability is more and more stricter, and communication mode is gradually
Changed from optical fiber to wireless mode, communication also tends to variation, " internet+" implementation and the shifting of great Yun things etc.
New technical use, promotes the new business demand such as electric power voice, image, video significantly to increase, and the transmission of these business datums is needed
Communication bandwidth that will be bigger, higher stability, smaller data delay, in addition, electric network information safety is also increasingly by state
The attention of family's grid company, it is desirable to which various important business data possess communication encryption function, and existing communication terminal can not expire
The all of above demand of foot.
At present, State Grid Corporation of China has set up multiple 1.8GHz TD-LTE and 230MHz radio communications in China
Private network pilot project, meanwhile, to save existing investment, there is private network more and phenomenon coexists with public network, many adapted electric industry business are logical
Letter mode still uses public network access way, it is desirable to which communication terminal is provided simultaneously with public network and private network access function, and wireless public affairs private network is mutual
Mend communication mode by be electric power radio communication development trend, public network multimode or private network single mode are supported existing communication terminal more
1.8GHz TD-LTE communications, lack and support public network and private network wireless communication terminal simultaneously, it is impossible to meet public private network mutual
The service access demand of benefit.
What increasings that intelligent grid builds depth promoted power business and internet merges progress, and having expedited the emergence of out includes matching somebody with somebody
Electric automation, power information collection, intelligent robot inspection, unmanned plane inspection, fault detector, source net load interaction, electronic vapour
The novel electric power business such as car charging pile, spatial load forecasting, Network Video Surveillance, communication interface, communication protocol, the safety of these business
There is larger difference in strategy and running environment, currently, and the access of electric power wireless traffic is main by the way of CPE terminals, and CPE is set
Standby to use communications module and the discrete strategy of processor, volume size is big, and power consumption is big, and cost is high, data-interface disunity, for
How further different business demands needs to design different communication terminal forms, be unfavorable for unified installation and maintenance management,
Research and development volume is smaller, the novel communication terminal that power consumption is lower, installation is simple, with low cost, interface is unified, as electric power channel radio
The key link that communication network is built.
The content of the invention
The invention technical problem to be solved is that existing electric power wireless communication terminal volume size is big, power consumption big,
Cost is high, data-interface disunity, needs to design different communication terminal forms for different business demands, is unfavorable for unification
Install and maintenance management.
In order to solve the above-mentioned technical problem, the invention is wireless there is provided a kind of electric power based on Micro-USB interfaces
Communication terminal, including power supply processing module, principal communication processing module, data encryption module, ethernet interface module, serial data
Interface module, SIM card interface module, antennal interface, Micro-Sim card interfaces and three Micro-USB interfaces；At principal communication
Manage module respectively with data encryption module, ethernet interface module, serial data interface module, SIM card interface module and day
Line interface is connected；Serial data interface module is connected with first Micro-USB interface；Ethernet interface module and second
Micro-USB interfaces are connected；3rd Micro-USB interface respectively with principal communication processing module and power supply processing module phase
Even；Micro-Sim card interfaces are connected with SIM card interface module；Power supply processing module is respectively that principal communication processing module, data add
Close module, ethernet interface module, serial data interface module and SIM card interface module are powered.
Using three Micro-USB interfaces as serial RS232 data, Ethernet data, usb data interface physics shape
Formula, so as to realize the unitized of interface, terminal volume can be also reduced while convenient management；Can using data encryption module
Data encryption feature is realized, SM2 the and SM1 algorithms needed for national commercial encryption product is realized inside encryption chip are special to be added
Close module, DES/3DES encrypting modules and RSA public key algorithm engines, enhance the security of data communication.
It is used as the further limits scheme of the invention, in addition to the signal designation being connected with principal communication processing module
Lamp.
As the further limits scheme of the invention, pass through between data encryption module and principal communication processing module
Spi bus is connected.Connected using the electric power special encryption chip in data encryption module and principal communication processing module by spi bus
Connect, with higher communications security.
As the further limits scheme of the invention, in addition to one is connected with second Micro-USB interface
Network data line；Micro-USB males are provided with one end of network data line, the other end is provided with RJ45 joints.
As the further limits scheme of the invention, in addition to one is connected with first Micro-USB interface
Serial data line；Micro-USB males are provided with one end of serial data line, the other end is provided with the general phoenix terminal of three cores.
It is used as the further limits scheme of the invention, in addition to a terminal enclosure；Power supply processing module, principal communication
Processing module, data encryption module, ethernet interface module, serial data interface module and SIM card interface module are respectively provided with
On mainboard in terminal enclosure；Antennal interface, Micro-Sim card interfaces and three Micro-USB interfaces distributions are arranged on
On terminal enclosure medial surface.Outdoor application can be easy to using terminal enclosure.
As the further limits scheme of the invention, buckle is installed provided with U-shaped guide rail at the back side of terminal enclosure.Adopt
Installing buckle with U-shaped guide rail can facilitate terminal to be arranged on U-shaped guide rail.
The beneficial effect of the invention is：Serial RS232 data, ether are used as using three Micro-USB interfaces
The physical form of network data, usb data interface, so as to realize the unitized of interface, end can be also reduced while convenient management
Hold volume；Data encryption feature can be realized using data encryption module, national commercial cipher is realized inside encryption chip
SM2 and SM1 algorithm dedicated encrypteds module, DES/3DES encrypting modules and RSA public key algorithm engines needed for product, enhance number
According to the security of communication.
Brief description of the drawings
Fig. 1 is the communication terminal structural representation of the invention；
Fig. 2 is the power supply processing module circuit theory diagrams of the invention；
Fig. 3 is the principal communication processing module circuit theory diagrams of the invention；
Fig. 4 is the ethernet interface module circuit theory diagrams of the invention；
Fig. 5 is the serial data interface modular circuit schematic diagram of the invention；
Fig. 6 is the SIM card interface module circuit schematic diagram of the invention；
Fig. 7 is the data encryption module circuit theory diagrams of the invention.
Embodiment
As shown in figure 1, the disclosed electric power wireless communication terminal based on Micro-USB interfaces of the invention includes：
Power supply processing module, principal communication processing module, data encryption module, ethernet interface module, serial data interface module, SIM
Card interface module, antennal interface, Micro-Sim card interfaces and three Micro-USB interfaces；Principal communication processing module respectively with
Data encryption module, ethernet interface module, serial data interface module, SIM card interface module and antennal interface are connected；String
Row data interface module is connected with first Micro-USB interface；Ethernet interface module and second Micro-USB interface phase
Even；3rd Micro-USB interface is connected with principal communication processing module and power supply processing module respectively；Micro-Sim clampings
Mouth is connected with SIM card interface module；Power supply processing module is respectively that principal communication processing module, data encryption module, Ethernet connect
Mouth mold block, serial data interface module and SIM card interface module are powered.
Further, in addition to principal communication processing module the signal lamp being connected；Data encryption module and principal communication
It is connected between processing module by spi bus；Also include a network data line being connected with second Micro-USB interface；
Micro-USB males are provided with one end of network data line, the other end is provided with RJ45 joints；Also include one and first
The connected serial data line of Micro-USB interfaces；Micro-USB males are provided with one end of serial data line, the other end is provided with
The general phoenix terminal of three cores；Also include a terminal enclosure；Power supply processing module, principal communication processing module, data encryption module,
Ethernet interface module, serial data interface module and SIM card interface module are arranged on the mainboard in terminal enclosure；My god
Line interface, Micro-Sim card interfaces and three Micro-USB interfaces distributions are arranged on terminal enclosure medial surface；In terminal
Buckle is installed provided with U-shaped guide rail in the back side of shell.
The terminal enclosure of the electric power wireless communication terminal based on Micro-USB interfaces of the invention uses makrolon
Plastics are made, in black bands hole rectangular-shape, and length, width and height are respectively 6.5cm, 6cm, 2.5cm, and 3 are provided with the side of terminal enclosure
Individual Micro-USB interface holes, 1 Micro-sim clampings oral pore and 1 SMA antenna terminals hole, three Micro-USB interfaces
Hole is distributed evenly on same side.
As shown in Fig. 2 power supply processing module is made up of voltage transformation chip and its peripheral circuit, power supply processing module passes through
Voltage transformation chip realizes the mapping function of direct current power source voltage, one inputted by Micro-USB interfaces in 5V, 12V or 24V
DC voltage is planted, while it is other module for power supply to export tri- kinds of voltage signals of 3.3V, 1.2V, 1.8V.
As shown in figure 3, principal communication processing module is made up of LTE chips and its peripheral circuit, principal communication processing module is used for
Complete parsing and the conversion process task of data message, using the application processor kernel in LTE chips, by whole LTE public networks,
The function such as private network data acquisition and local UART, SPI, Ethernet protocol, gateway, SIM card identification focuses on inside modules, makes mould
Block turns into a complete system relatively, it is possible to is flexibly redefined and is connected realization in external antenna according to system requirements
The transmission-receiving function of wireless data.
As shown in fig. 7, data encryption module is made up of electric power special encryption chip and its peripheral circuit, data encryption module
Principal communication processing module is connected by spi bus, principal communication processing module side as main equipment, data encryption module side as from
Equipment, realizes data encryption feature, is connected using electric power special encryption chip with principal communication processing module by spi bus, plus
Close chip internal realizes SM2 and SM1 algorithm dedicated encrypteds module needed for national commercial encryption product, DES/3DES encryption moulds
Block and RSA public key algorithm engines.In addition, electric power special encryption chip provides 32 hardware encryption processors, it is public available for realizing
The symmetry algorithm such as key algorithm, digest algorithm and AES, DES, electric power special encryption chip embeds 32 real random number generators
TRNG, can meet the cryptographic applications of COS developer, can save software overhead, improve software and realize efficiency.
As shown in figure 4, ethernet interface module is made up of PHY chip and its peripheral circuit, ethernet interface module is used for
Complete the transmitting-receiving task of network interface data, the PHY chip and its peripheral circuit in module realize needed for Ethernet data transmission when
Net in clock, data encoding line status and the interface with principal communication processing module data link controller, ethernet interface module
Network transformer, which is used to realize, to be strengthened PHY chip signal, isolates, level conversion function.
As shown in figure 5, serial data interface module is made up of RS232 electrical level transferring chips and its peripheral circuit, serial number
The RS232 electrical level transferring chips being used for according to interface module in the transmission-receiving function for completing serial RS232 data, module realize TTL electricity
The flat mutual conversion with RS232 level, chip can control to enable by software, during non-enabled state, for transmitting Transistor-Transistor Logic level,
It is connected for the equipment with Transistor-Transistor Logic level interface, completes the transmitting-receiving task of data.
As shown in fig. 6, it is SIM that SIM card interface module, which is used for U5 in identification and the digital independent function for completing SIM card, Fig. 6,
Card is there is provided interface and its protection circuits such as sim cards power supply, clock, data, programming, status monitorings, while supporting 1.8V and 3.V
SIM card.
Ethernet interface module is connected using private network data cable with the adapted terminal equipment of Ethernet interface, its
In, private network data cable one end is standard Micro-USB males, and the other end is standard RJ45 connector, according to applying industry
Communication terminal, can be configured to tri- kinds of mode of operations of Router, Bridge and NAT by the wireless network core net access criteria of business.
Serial data interface module uses dedicated serial data cable with supporting being connected with electrical equipment for RS232 interfaces,
Wherein, dedicated serial data cable one end is standard Micro-USB males, and the other end is the general phoenix terminal of three cores, and communication is eventually
End works in serial ports transparent transmission mode, and principal communication module completes protocol conversion and forwarding work of the serial data packet with TCP/IP packets
Make.
The Micro-USB interfaces being connected with power supply processing module, for being power supply processing module by power input, simultaneously
USB data transmission function is also provided for, usb data communication is used for maintenance personnel and debugs special, it is impossible to be used as actual industry
Business data transmission channel.
Communication terminal supports public network TDD-LTE, FDD-LTE, TD-SCDMA, WCDMA, GSM and private network 1.8G LTE communications
Communication terminal, according to adapted electric industry business concrete application environment, can be configured to manually or automatically switch communication mode, if matching somebody with somebody by pattern
Manual switching mode is set to, then corresponding base station network can be searched for according to the communication pattern set after communication terminal electrifying startup
Signal simultaneously selects cell, reading SIM card information, carries out networking authentication, and validated user networks by the way that authentication is normal；If will communicate eventually
End is configured to automatic network switch mode, then all wireless signals can be searched for after communication terminal electrifying startup automatically, according to SIM card
Information, automatically selects communication network.
When communication terminal accesses the business of adapted electric industry by dedicated serial cable, communication terminal works in serial ports transparent transmission mode,
According to adapted electric industry business terminal serial data interface level, communication terminal can be configured to RS232 or TTL data transfer modes.
When with the control of electricity consumption main website issuing service or during configuration information, serial data interface module receives corresponding from principal communication processing module
Information, be forwarded directly to the electric service terminal of adapted, adapted electricity service terminal message implication simultaneously makes corresponding response；Work as adapted
When electric service terminal is to main website upload message, serial data processing module receives corresponding message and is simultaneously forwarded to principal communication processing
Module, principal communication module communicates completion with data encryption module to message encryption processing operation, and encryption data is passed through into channel radio
Believe passage forwarding.
When communication terminal accesses the business of adapted electric industry by dedicated network cable, specifically communicated according to the core net of wireless network
Communication terminal, can be configured to tri- kinds of mode of operations of Router, Bridge and NAT by mechanism, when with electricity consumption main website to adapted electric industry
During business terminal downward message, principal communication processing module receives message by Wireless data acquisition unit part, and message content is carried out
Parsing and conversion process, are sent to the electric service terminal of adapted, adapted electricity service terminal is according to message by ethernet interface module
Implication makes corresponding response；When the electric service terminal of adapted uploads message to main website, by ethernet interface module by message
Principal communication processing unit is sent to, principal communication processing unit enters line translation to message according to respective communication stipulations, then by data
Encrypting module is encrypted, finally, and treated message is forwarded by wireless communication.
The data that communication terminal is sent by principal communication module radio channel, core network system is forwarded to by base station, by
Core network system forwards the data to correspondence by route and matches somebody with somebody electricity consumption main website security gateway again, and security gateway carries out safety to message
Certification, legal message reaches main website eventually through security gateway；Main website passes through and above-mentioned similar to service terminal downward message
Transmitting procedure, reaches service terminal.
Claims (7)
1. a kind of electric power wireless communication terminal based on Micro-USB interfaces, it is characterised in that：Including power supply processing module, master
Communications Processor Module, data encryption module, ethernet interface module, serial data interface module, SIM card interface module, antenna
Interface, Micro-Sim card interfaces and three Micro-USB interfaces；Principal communication processing module respectively with data encryption module, with
Too network interface module, serial data interface module, SIM card interface module and antennal interface are connected；Serial data interface module
It is connected with first Micro-USB interface；Ethernet interface module is connected with second Micro-USB interface；3rd
Micro-USB interfaces are connected with principal communication processing module and power supply processing module respectively；Micro-Sim card interfaces and SIM card
Interface module is connected；Power supply processing module is respectively principal communication processing module, data encryption module, ethernet interface module, string
Row data interface module and SIM card interface module are powered.
2. the electric power wireless communication terminal according to claim 1 based on Micro-USB interfaces, it is characterised in that：Also wrap
Include the signal lamp being connected with principal communication processing module.
3. the electric power wireless communication terminal according to claim 1 based on Micro-USB interfaces, it is characterised in that：Data
It is connected between encrypting module and principal communication processing module by spi bus.
4. the electric power wireless communication terminal according to claim 1 based on Micro-USB interfaces, it is characterised in that：Also wrap
Include a network data line being connected with second Micro-USB interface；It is public provided with Micro-USB in one end of network data line
Head, the other end is provided with RJ45 joints.
5. the electric power wireless communication terminal according to claim 1 based on Micro-USB interfaces, it is characterised in that：Also wrap
Include a serial data line being connected with first Micro-USB interface；It is public provided with Micro-USB in one end of serial data line
Head, the other end is provided with the general phoenix terminal of three cores.
6. the electric power wireless communication terminal according to claim 1 based on Micro-USB interfaces, it is characterised in that：Also wrap
Include a terminal enclosure；Power supply processing module, principal communication processing module, data encryption module, ethernet interface module, serial number
It is arranged at according to interface module and SIM card interface module on the mainboard in terminal enclosure；Antennal interface, Micro-Sim clampings
Mouth and three Micro-USB interfaces distributions are arranged on terminal enclosure medial surface.
7. the electric power wireless communication terminal according to claim 6 based on Micro-USB interfaces, it is characterised in that：At end
Buckle is installed provided with U-shaped guide rail in the back side of end housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710628410.4A CN107257250A (en) | 2017-07-28 | 2017-07-28 | A kind of electric power wireless communication terminal based on Micro USB interfaces |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710628410.4A CN107257250A (en) | 2017-07-28 | 2017-07-28 | A kind of electric power wireless communication terminal based on Micro USB interfaces |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092969A (en) * | 2017-12-13 | 2018-05-29 | 国家电网公司 | The system and method for Intelligent Mobile Robot acquisition image access electric power Intranet |
| CN108173913A (en) * | 2017-12-19 | 2018-06-15 | 国网安徽省电力公司信息通信分公司 | The LTE wireless private networks communication device and method of a kind of electric fault indicator |
| CN108566310A (en) * | 2018-06-26 | 2018-09-21 | 深圳市特发泰科通信科技有限公司 | Remote communication module and its measuring terminal |
| CN109547051A (en) * | 2018-12-04 | 2019-03-29 | 国网江苏省电力有限公司电力科学研究院 | A kind of CPE terminal, data flow transmission method and public private network switching method |
| CN109831781A (en) * | 2018-12-20 | 2019-05-31 | 福建聚实新能源科技有限公司 | A kind of encryption transparent transmission terminal, communication system and communication means based on wireless network |
| CN110290431A (en) * | 2019-05-28 | 2019-09-27 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of wireless private network wide-band terminal digiboard |
| CN112261603A (en) * | 2020-10-13 | 2021-01-22 | 国网江苏省电力有限公司信息通信分公司 | Edge Internet of things agent device based on electric power Internet of things |
| CN112532281A (en) * | 2020-11-09 | 2021-03-19 | 南京南瑞信息通信科技有限公司 | Special 8MIMO multi-mode high-speed 5G communication terminal for electric power and method thereof |
| CN112885068A (en) * | 2021-01-22 | 2021-06-01 | 国网江苏省电力有限公司电力科学研究院 | Public and private network communication module of power utilization information acquisition terminal and switching method |
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| CN108173913A (en) * | 2017-12-19 | 2018-06-15 | 国网安徽省电力公司信息通信分公司 | The LTE wireless private networks communication device and method of a kind of electric fault indicator |
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| CN109547051A (en) * | 2018-12-04 | 2019-03-29 | 国网江苏省电力有限公司电力科学研究院 | A kind of CPE terminal, data flow transmission method and public private network switching method |
| CN109831781A (en) * | 2018-12-20 | 2019-05-31 | 福建聚实新能源科技有限公司 | A kind of encryption transparent transmission terminal, communication system and communication means based on wireless network |
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| CN112261603A (en) * | 2020-10-13 | 2021-01-22 | 国网江苏省电力有限公司信息通信分公司 | Edge Internet of things agent device based on electric power Internet of things |
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