CN108173913A - The LTE wireless private networks communication device and method of a kind of electric fault indicator - Google Patents

The LTE wireless private networks communication device and method of a kind of electric fault indicator Download PDF

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Publication number
CN108173913A
CN108173913A CN201711372373.1A CN201711372373A CN108173913A CN 108173913 A CN108173913 A CN 108173913A CN 201711372373 A CN201711372373 A CN 201711372373A CN 108173913 A CN108173913 A CN 108173913A
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China
Prior art keywords
module
fault indicator
communication
wireless private
lte wireless
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CN201711372373.1A
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Chinese (zh)
Inventor
张引强
嵇海亮
于浩
马涛
王伟
刘金锁
黄影
吕超
董翔宇
孟伟伟
张璐
赵磊
周彦华
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State Grid Corp of China SGCC
NARI Group Corp
Nari Information and Communication Technology Co
Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd
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State Grid Corp of China SGCC
NARI Group Corp
Nari Information and Communication Technology Co
Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, NARI Group Corp, Nari Information and Communication Technology Co, Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711372373.1A priority Critical patent/CN108173913A/en
Publication of CN108173913A publication Critical patent/CN108173913A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751Error or fault detection not based on redundancy
    • G06F11/0754Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/161Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
    • H04L69/162Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a kind of LTE wireless private network communication devices of electric fault indicator, including power module, communication module, SIM card processing unit and serial port module;SIM card processing unit, serial port module and power module are connect with communication module;Power module is responsible for the LTE wireless private networks communication device power supply;Communication module is responsible for wireless data reception and local data is sent;SIM card processing unit is responsible for monitoring SIM card;Serial port module is responsible for carrying out data interaction with electric fault indicator.The communication means of the device is also disclosed that simultaneously.The present invention realizes application of the electric fault indicator in power private network, solve thes problems, such as the service adaptation in electric power wireless private network.

Description

The LTE wireless private networks communication device and method of a kind of electric fault indicator
Technical field
The present invention relates to the LTE wireless private networks communication devices and method of a kind of electric fault indicator, belong to power business Field.
Background technology
With commercial gradually universal and the multinomial policy of power industry the appearances of 4G-LTE, TD-LTE technologies are in power industry In application it is also more and more extensive.On March 9th, 2015, the Ministry of Industry and Information Technology《About publication 1785-1805MHz frequency ranges again The notice of wireless access system frequency usage matters》Departments' construction such as electric power, oil is encouraged to use 1.8G wireless private networks;With The Pilot project construction of LTE wireless private networks, to realize construction of professional network integration operation management system, wireless private network secure accessing system frame The target of structure, solving service adaptation becomes matter of utmost importance.
At present, the communication device that electric fault indicator uses in two distant business of power distribution automation is embedded GPRS public Network Communication module, and GPRS public networks module can not work in electric power wireless private network environment, need a kind of low-power consumption, stabilization it is special Netcom's T unit realizes application of the fault detector in power private network.
Invention content
In order to solve the above technical problem, the present invention provides a kind of LTE wireless private networks communications of electric fault indicator Device and method.
In order to achieve the above object, the technical solution adopted in the present invention is:
The LTE wireless private network communication devices of a kind of electric fault indicator, at power module, communication module, SIM card Manage unit and serial port module;SIM card processing unit, serial port module and power module are connect with communication module;
Power module is responsible for the LTE wireless private networks communication device power supply;Communication module is responsible for wireless data reception and sheet Ground data are sent;SIM card processing unit is responsible for monitoring SIM card;Serial port module is responsible for carrying out data friendship with electric fault indicator Mutually.
Power module external power supply, the level signal of power module output reach communication module work after level conversion Level standard, communication module output level reach after level conversion serial port module work level standard.
Serial port module includes serial ports RS232 modules and serial ports TTL modules, supports the LTE wireless private networks communication device TTL, RS232 both of which, for the level conversion of communication module output into Transistor-Transistor Logic level, Transistor-Transistor Logic level is serial ports TTL module for power supply, Transistor-Transistor Logic level is converted into RS232 level, and RS232 level is serial ports RS232 module for power supply.
Further include the signal designation lamp module being connect with communication module, debugging interface circuit, antennal interface and reset circuit; When communication module after the power is turned on, indicating lamp module sends out state instruction;Debugging interface circuit is responsible for the LTE wireless private networks communication dress Put debugging;Antennal interface external cord, to enhance wireless signal;Reset circuit makes the LTE wireless private networks communication device extensive Initial state is arrived again.
Communication module is integrated with security encryption chip, and ipsec tunnel work(is provided for the LTE wireless private networks communication device Energy.
A kind of communication means of the LTE wireless private network communication devices of electric fault indicator, including,
Network registry is realized using communication configuration testing process;
After network registry success, data transmit-receive is realized using serial ports transparent transmission, at the same using finger daemon realize the LTE without Line private network communication device stable operation.
Communication configuration testing process the specific steps are,
Step 1 detects serial port module state:Electric fault indicator is sent " AT " orders, if returning to " OK ", skip to Step 2;If nothing returns code, repeatedly step 1, after repeated several times, communication module is restarted;
Step 2:Whether inquiry reads SIM card:Electric fault indicator is sent " AT+CCID " orders, if return "+ CCID:(ICCID) ", then it represents that read SIM card, skipped to step 3;If "+CCID is not returned:(ICCID) ", then repeatedly step Two, after repetition is several, restart communication module;
Step 3:Check SIM card state:Electric fault indicator is sent " AT+SPIN " orders, if returning to "+CPIN: READY ", then it represents that SIM card can be used, and skip to step 4;If return to "+CPIN:ERROR ", then repeatedly step 3, repeated several times Later, restart communication module;
Step 4:Inquire network attachment situation:Electric fault indicator is sent " AT+CREG" order, if return "+ CREG:0,1 " or "+CREG:0,5 ", then it represents that registered network, skipped to step 5;If return to "+CREG:0,<0,2,3, 4>", then repeatedly step 4 after repeated several times, restarts communication module;
Step 5:Inquire network attachment state:Electric fault indicator is sent " AT+CGATT" order, if return "+ CGATT:1 ", then it represents that network attachment success;If return to "+CGATT:0 ", then repeatedly step 5 after repeated several times, is restarted logical Believe module.
Serial ports transparent transmission process is,
When the LTE wireless private networks communication device is in client mode:
Socket is created, connection request is sent out to server and server communicates;
When the LTE wireless private networks communication device is in server mode:
Socket is created, socket is tied on local address and port, the socket of establishment is set as listening mode, Etc. the connection request of client to be received, after connection request arrives, receive connection request, return one it is new for this The socket of connection is communicated with the socket and client of return;
When receiving the data that main website is sent, a timer is set, if not receiving other in preset time Data, then be packaged into a frame by the data having received, and electric fault indicator is sent to by serial port module.
Finger daemon is, using house dog program, when serial ports transparent transmission processes most evidences, stuck situation occurs, guards the gate Dog program does not obtain the response of the LTE wireless private networks communication device in preset time, and it is wirelessly special will to reset the LTE Netcom's T unit, all program restartings, ensure that the stable operation of whole system.
The advantageous effect that the present invention is reached:The present invention realizes application of the electric fault indicator in power private network, Solve the problems, such as the service adaptation in electric power wireless private network.
Description of the drawings
Fig. 1 is the structure diagram of apparatus of the present invention;
Fig. 2 is communication configuration testing process;
Fig. 3 is serial ports transparent transmission flow chart.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, a kind of LTE wireless private network communication devices of electric fault indicator, including power module, communication mould Block, SIM card processing unit, serial port module, signal designation lamp module, debugging interface circuit, antennal interface and reset circuit;Signal Indicating lamp module, debugging interface circuit, antennal interface, reset circuit, SIM card processing unit, serial port module and power module are equal It is connect with communication module.
Power module is responsible for the LTE wireless private networks communication device power supply, power module external power supply, power module output Level signal reach after level conversion communication module work level standard, communication module output level through over level Reach the level standard of serial port module work after conversion.Power module requirement 12V input, 12V level signals be converted into 3.8V to Communication module is powered, and the level conversion that communication module exports is powered into 3.3V to serial port module.
Serial port module be responsible for electric fault indicator carry out data interaction, serial port module include serial ports RS232 modules and Serial ports TTL modules, serial ports RS232 modules and serial ports TTL modules are connect with communication module, and the LTE wireless private networks is made to communicate Device supports TTL, RS232 both of which, and for the level conversion of communication module output into Transistor-Transistor Logic level, Transistor-Transistor Logic level is serial ports TTL moulds Block is powered, and Transistor-Transistor Logic level is converted into RS232 level, and RS232 level is serial ports RS232 module for power supply.Serial ports RS232 modules and string Mouth TTL module inputs are 3.3V, and communication module exports transformed 3.3V level and directly feeds serial ports TTL modules, communicates Module exports transformed 3.3V level and needs under reconvert, complies with RS232 level standards, then supplies serial ports RS232 moulds Block.
Communication module is responsible for wireless data reception and local data is sent, here using LTE communication module, frequency range 1785MHz-1805MHz supports antenna diversity reception, supports data service, provides abundant subscriber signal interface, supports standard AT command set, communication module is integrated with security encryption chip, ipsec tunnel provided for the LTE wireless private networks communication device Function, again by wireless network transmissions, will ensure the safety of communication after the data encryption in communication process.
SIM card processing unit is responsible for monitoring SIM card.When communication module after the power is turned on, indicating lamp module sends out state instruction, this In indicator light include red light and green light, red light is always on after the power is turned on, and green light flickers during data interaction.Debugging interface circuit is responsible for institute State the debugging of LTE wireless private networks communication device.Antennal interface external cord, to enhance wireless signal.Reset circuit makes the LTE Wireless private network communication device returns to state.
The communication means of above device, includes the following steps:
1) network registry is realized using communication configuration testing process.
As shown in Fig. 2, communication configuration testing process the specific steps are:
Step 1 detects serial port module state:Electric fault indicator is sent " AT " orders, if returning to " OK ", skip to Step 2;If nothing returns code, repeatedly step 1, after repeated several times, generally 15 times, communication module is restarted;
Step 2:Whether inquiry reads SIM card:Electric fault indicator is sent " AT+CCID " orders, if return "+ CCID:(ICCID) ", then it represents that read SIM card, skipped to step 3;If "+CCID is not returned:(ICCID) ", then repeatedly step Two, after repetition is several, generally 5 times, restart communication module;
Step 3:Check SIM card state:Electric fault indicator is sent " AT+SPIN " orders, if returning to "+CPIN: READY ", then it represents that SIM card can be used, and skip to step 4;If return to "+CPIN:ERROR ", then repeatedly step 3, repeated several times Later, generally 3 times, restart communication module;
Step 4:Inquire network attachment situation:Electric fault indicator is sent " AT+CREG" order, if return "+ CREG:0,1 " or "+CREG:0,5 ", then it represents that registered network, skipped to step 5;If return to "+CREG:0,<0,2,3, 4>", then repeatedly step 4 after repeated several times, generally 40 times, restarts communication module;
Step 5:Inquire network attachment state:Electric fault indicator is sent " AT+CGATT" order, if return "+ CGATT:1 ", then it represents that network attachment success;If return to "+CGATT:0 ", then repeatedly step 5, after repeated several times, generally 10 times, restart communication module.
2) after network registry success, data transmit-receive is realized, while realize the LTE using finger daemon using serial ports transparent transmission Wireless private network communication device stable operation.
As shown in figure 3, serial ports transparent transmission process is:When the LTE wireless private networks communication device is in client mode, wound Socket is built, connection request is sent out to server and server communicates;When the LTE wireless private networks communication device is in During server mode, socket is created, socket is tied on local address and port, the socket of establishment is set as monitoring Pattern waits the connection request of client to be received, after connection request arrives, receives connection request, return one it is new for The socket being connect with this is communicated with the socket and client of return;When receiving the data that main website is sent, One 80ms timer is set, if not receiving other data in preset time (i.e. 80ms), the data that will be had received A frame is packaged into, electric fault indicator is sent to by serial port module.
Finger daemon is:Using house dog program, when serial ports transparent transmission processes most evidences, there is stuck situation, guard the gate Dog program does not obtain the response of the LTE wireless private networks communication device in preset time, and it is wirelessly special will to reset the LTE Netcom's T unit, all program restartings, ensure that the stable operation of whole system.
The present invention connects power private network by communication module, connects electric fault indicator by serial port module, realizes Application of the electric fault indicator in power private network, solve thes problems, such as the service adaptation in electric power wireless private network.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvement and deformation can also be made, these are improved and deformation Also it should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of LTE wireless private network communication devices of electric fault indicator, it is characterised in that:Including power module, communication mould Block, SIM card processing unit and serial port module;SIM card processing unit, serial port module and power module are connect with communication module;
Power module is responsible for the LTE wireless private networks communication device power supply;Communication module is responsible for wireless data reception and local number According to transmission;SIM card processing unit is responsible for monitoring SIM card;Serial port module is responsible for carrying out data interaction with electric fault indicator.
2. a kind of LTE wireless private network communication devices of electric fault indicator according to claim 1, it is characterised in that: Power module external power supply, the level signal of power module output reach the level mark of communication module work after level conversion Standard, the level of communication module output reach the level standard of serial port module work after level conversion.
3. a kind of LTE wireless private network communication devices of electric fault indicator according to claim 2, it is characterised in that: Serial port module includes serial ports RS232 modules and serial ports TTL modules, and the LTE wireless private networks communication device is made to support TTL, RS232 Both of which, for the level conversion of communication module output into Transistor-Transistor Logic level, Transistor-Transistor Logic level is serial ports TTL module for power supply, and Transistor-Transistor Logic level is converted Into RS232 level, RS232 level is serial ports RS232 module for power supply.
4. a kind of LTE wireless private network communication devices of electric fault indicator according to claim 1, it is characterised in that: Further include the signal designation lamp module being connect with communication module, debugging interface circuit, antennal interface and reset circuit;When communication mould After the power is turned on, indicating lamp module sends out state instruction to block;Debugging interface circuit is responsible for the LTE wireless private networks communication device debugging; Antennal interface external cord, to enhance wireless signal;Reset circuit returns to the LTE wireless private networks communication device State.
5. a kind of LTE wireless private network communication devices of electric fault indicator according to claim 1, it is characterised in that: Communication module is integrated with security encryption chip, and ipsec tunnel function is provided for the LTE wireless private networks communication device.
6. a kind of communication means of the LTE wireless private network communication devices of electric fault indicator, it is characterised in that:Including,
Network registry is realized using communication configuration testing process;
After network registry success, data transmit-receive is realized, while realize that the LTE is wirelessly special using finger daemon using serial ports transparent transmission Netcom's T unit stable operation.
7. a kind of communication means of the LTE wireless private network communication devices of electric fault indicator according to claim 6, It is characterized in that:Communication configuration testing process the specific steps are,
Step 1 detects serial port module state:Electric fault indicator is sent " AT " orders, if returning to " OK ", skip to step Two;If nothing returns code, repeatedly step 1, after repeated several times, communication module is restarted;
Step 2:Whether inquiry reads SIM card:Electric fault indicator is sent " AT+CCID " orders, if returning to "+CCID: (ICCID) ", then it represents that read SIM card, skipped to step 3;If "+CCID is not returned:(ICCID) ", then repeatedly step 2, weight It is multiple it is several after, restart communication module;
Step 3:Check SIM card state:Electric fault indicator is sent " AT+SPIN " orders, if returning to "+CPIN:READY ", Then represent that SIM card can be used, and skip to step 4;If return to "+CPIN:ERROR ", then repeatedly step 3, after repeated several times, weight Open communication module;
Step 4:Inquire network attachment situation:Electric fault indicator is sent " AT+CREG" order, if returning to "+CREG:0, 1 " or "+CREG:0,5 ", then it represents that registered network, skipped to step 5;If return to "+CREG:0,<0,2,3,4>", then Step 4 is repeated, after repeated several times, restarts communication module;
Step 5:Inquire network attachment state:Electric fault indicator is sent " AT+CGATT" order, if returning to "+CGATT: 1 ", then it represents that network attachment success;If return to "+CGATT:0 ", then repeatedly step 5 after repeated several times, restarts communication mould Block.
8. a kind of communication means of the LTE wireless private network communication devices of electric fault indicator according to claim 6, It is characterized in that:Serial ports transparent transmission process is,
When the LTE wireless private networks communication device is in client mode:
Socket is created, connection request is sent out to server and server communicates;
When the LTE wireless private networks communication device is in server mode:
Socket is created, socket is tied on local address and port, the socket of establishment is set as listening mode, is waited for Receive client connection request, after connection request arrives, receive connection request, return one newly for being connect with this Socket, communicated with the socket and client of return;
When receiving the data that main website is sent, a timer is set, if not receiving other data in preset time, The data having received then are packaged into a frame, electric fault indicator is sent to by serial port module.
9. a kind of communication means of the LTE wireless private network communication devices of electric fault indicator according to claim 6, It is characterized in that:Finger daemon is,
Using house dog program, when serial ports transparent transmission processes most evidences, there is stuck situation, house dog program is in preset time The response of the LTE wireless private networks communication device is not obtained inside, will reset the LTE wireless private networks communication device, is owned Program restarts, and ensure that the stable operation of whole system.
CN201711372373.1A 2017-12-19 2017-12-19 The LTE wireless private networks communication device and method of a kind of electric fault indicator Pending CN108173913A (en)

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CN112565012A (en) * 2020-12-01 2021-03-26 重庆芯讯通无线科技有限公司 Automatic test method, system, medium and equipment for module first network finding time

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Cited By (2)

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CN110262452A (en) * 2019-06-24 2019-09-20 五邑大学 A kind of Intelligent fish tank control method, device and storage medium to automatically reset
CN112565012A (en) * 2020-12-01 2021-03-26 重庆芯讯通无线科技有限公司 Automatic test method, system, medium and equipment for module first network finding time

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