CN107591890A - Power Distribution Remote Monitor System based on gsm communication module - Google Patents
Power Distribution Remote Monitor System based on gsm communication module Download PDFInfo
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- CN107591890A CN107591890A CN201610532175.6A CN201610532175A CN107591890A CN 107591890 A CN107591890 A CN 107591890A CN 201610532175 A CN201610532175 A CN 201610532175A CN 107591890 A CN107591890 A CN 107591890A
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- gsm communication
- gsm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a kind of Power Distribution Remote Monitor System based on gsm communication module, including control terminal and controlled end, the control terminal is connected with controlled end by GSM communication network, control terminal is made up of GSM communication modules and computer, and controlled end is made up of GSM communication modules, TTU and distribution transformer.The present invention by gsm wireless data transmission technology be applied in electrical power distribution automatization system it is big to distribution, for region is more complicated, distribution transformer is monitored and controlled, it can save and expend huge conductor material and labour cost, and eliminate maintenance repair and maintenance cost.Meanwhile there is high reliability, autgmentability and anti-interference.So distribution transformer monitoring system application GSM technology can monitor the running status of distribution transformer, the parameter such as ammeter reading of user.Therefore, gsm communication technology is applied in electrical power distribution automatization system, it will electrical power distribution automatization system is more easily served people.
Description
Technical field
The present invention relates to distribution monitor technical field, is remotely supervised more particularly to a kind of distribution based on gsm communication module
Control system.
Background technology
With the development of national economy and the continuous improvement of the people's material and cultural life level, to the demand of electric power increasingly
Greatly, electric utility is promoted to develop rapidly, power network constantly expands, requirement of the user to power supply reliability also more and more higher.Thus, match somebody with somebody
Electric system automation DSA (Distribution System Automation) research just seems especially important with application.
In power supply and distribution of electric power system, distribution transformer is the power equipment that voltage is distributed directly to low-voltage customer, and it is transported
Row data are the important components of whole power distribution network basic data.In power supply and distribution of electric power system, distribution transformer is by voltage
The power equipment of low-voltage customer is distributed directly to, its service data is the important component of whole power distribution network basic data.Fortune
Row data include：Active (idle) power of three-phase voltage, three-phase current, three-phase, power factor, frequency, active (idle) electricity,
Oil temperature etc..These data normally whether be distribution transformer operation whether good important reflection.Therefore, it is continually monitored and matches somebody with somebody
The operating various parameters of piezoelectric transformer, the data according to collection carry out statistical analysis, find distribution transformer operation in time
The abnormal conditions of middle appearance are simultaneously controlled by or solved, it is possible to achieve the stable optimal operation of power network, it is power distribution automation
Basis and nucleus equipment.
Distribution transformer monitor terminal is exactly the monitoring of the various operational factors for distribution transformer, measurement and control
Terminal unit, it is referred to as " TTU " (Transformer Terminal Unit).On the one hand complete to distribution transformer (box-type transformation
Device) service data automatic monitoring, storage and transmission, some specialty analysis provided for electric power enterprise, such as load prediction, line
Damage analysis etc. provides data；On the other hand the switching of the idle electric capacity of field control is realized, keeps the reactive balance of system on the spot；This
Outside, trip command can be sent by TTU when distribution transformer generation is overloaded with open-phase fault and directly cuts off low-voltage load, and is passed through
DTU（Data transmission terminal equipment）Report electronic station.
Due to the rapid development of computer technology, the communication technology and electric utility in recent years, Distribution System Integrated Automation into
For inexorable trend, domestic many producers and research unit develop and developed one after another various types of TTU.TTU is from the work(of early stage
Energy is single, communication capacity mode simply develops into existing intellectuality, miniaturization, multifunction and possesses communication, adds
The fast developing steps of domestic distribution system automation.
At present, lot of domestic and international producer is directed to developing and develops TTU products, functionally emphasizes particularly on different fields.For example, technical grade
Single-chip microcomputer（MSP430）Although the product control performance of this structure is preferable, it is bad at the processing of data signal, particularly
When handling data operation complicated in power system, take long.As the popularization of DSP technologies, some companies are raw at present
Produced DSP+MCU structure, wherein dsp chip for TI companies TMS320C2XX series, be served only for measurement data collection and
Computing, operation result are sent into Intel MCS-96 chips, by single-chip microcomputer completion control, communication and good in interactive function etc., and by
One piece of fpga chip completes piece choosing and logic control function；Also Beijing Time Incorporation release TPM2000 type distribution monitors instrument,
The PD-A01 Distribution transformers of Luoyang Zhuo Fei companies are also all based on the product of this class formation.Although these structure design energy
Enough meet the requirement in performance, but difficulty is added in system design, circuit board wiring is complicated, so that the reliability drop of device
It is low；Certain wasting of resources is caused simultaneously, cost is higher, is unfavorable for popularization and application in China's distribution engineering.
From the point of view of TTU is using present situation and the development trend of communication mode, how by gsm wireless data transmission technology application
It is a research and development with fine economic benefit and social benefit to distribution transformer monitoring system, is worth research.
The content of the invention
The purpose of the present invention is asked for how gsm wireless data transmission technology being applied into distribution transformer monitoring system technology
Topic, and a kind of Power Distribution Remote Monitor System based on gsm communication module is provided.
To realize the purpose of the present invention, the technical solution adopted in the present invention is：A kind of distribution based on gsm communication module
Remote monitoring system, including control terminal and controlled end, the control terminal are connected with controlled end by GSM communication network, control
End is made up of GSM communication modules and computer, and controlled end is made up of GSM communication modules, TTU and distribution transformer, gsm communication net
Network includes communication base station and SMS service center, and the GSM communication modules and computer of control terminal are connected by serial port RS232
Connect, the GSM communication modules of controlled end are connected by serial port RS232 with TTU, and TTU is connected with distribution transformer, control terminal
GSM communication modules are connected by communication base station with SMS service center, SMS service center by communication base station with by
The GSM communication modules at control end are connected.
Wherein, the GSM communication network includes exchanging network subsystem (SS), wireless base station subsystem (BSS) and movement
Four big subsystem of platform (MS) and operation and maintenance sub system (OMC), the exchanging network subsystem（SS) include：Mobile service exchanges
Center（MSC）, VLR Visitor Location Register（VLR), attaching position register（HLR), AUC（AUC）, mobile device identification
Register（EIR）；Wireless base station subsystem (BSS) includes base station controller (BSC) and base transceiver station (BTS)；Mobile station
Including mobile terminal (MS) and client identification card (SIM)；SMS service center (SMSC).
Wherein, the control terminal and controlled end are communicatively coupled by the form of short message, and the short message utilizes PDU
Coding mode.
The present invention, compared with prior art, gsm wireless data transmission technology is applied in electrical power distribution automatization system to dividing
, can for the distribution transformer that cloth scope is big, region is more complicated, real time data amount is small, large number of is monitored and controlled
Huge conductor material and labour cost are expended to save, and eliminates maintenance repair and maintenance cost.Meanwhile can with height
By property, autgmentability and anti-interference.So distribution transformer monitoring system application GSM technology can monitor the operation shape of distribution transformer
State, the parameter such as ammeter reading of user.Therefore, gsm communication technology is applied in electrical power distribution automatization system, it will make distribution certainly
Dynamicization system more easily serves people.
Brief description of the drawings
Fig. 1 show the system structure diagram of the embodiment of the present invention；
Fig. 2 show the structural representation of GSM communication network provided in an embodiment of the present invention；
Fig. 3 show TTU provided in an embodiment of the present invention structural representation；
Fig. 4 show the electrical block diagram of computation chip provided in an embodiment of the present invention；
Fig. 5 show the electrical block diagram of ferroelectric memory provided in an embodiment of the present invention；
In figure：A- control terminals, B-GSM communication networks, C- controlled ends.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
It should be noted that " connection " described herein and the word for expressing " connection ", such as " being connected ",
" connected " etc., it both may refer to a certain part and had been directly connected to another part, and can also refer to a certain part and pass through other portions
Part is connected with another part.
The application is applied in electrical power distribution automatization system, for distribution is big, region is more complicated, real time data amount
It can be saved for small, large number of distributing transformer monitoring and control and expend huge conductor material and labour cost, and
And eliminate maintenance repair and maintenance cost.Meanwhile there is high reliability, autgmentability and anti-interference.So distribution transforming monitoring system
System can monitor the running status of distribution transformer, the parameter such as ammeter reading of user using GSM technology.
Therefore, gsm communication technology is applied in electrical power distribution automatization system, it will make electrical power distribution automatization system more convenient
People are served on ground.
As shown in figure 1, a kind of Power Distribution Remote Monitor System based on gsm communication module of the present invention, including control terminal and by
End is controlled, the control terminal is connected with controlled end by GSM communication network, and control terminal is made up of GSM communication modules and computer,
Controlled end is made up of GSM communication modules, TTU and distribution transformer, and GSM communication network is included in communication base station and Short Message Service
The heart, the GSM communication modules of control terminal are connected with computer by serial port RS232, and the GSM communication modules of controlled end pass through serial
Mouth RS232 is connected with TTU, and TTU is connected with distribution transformer, and the GSM communication modules of control terminal pass through communication base station and short message
Service centre is connected, and SMS service center is connected by communication base station with the GSM communication modules of controlled end.
GSM remote monitoring systems are made up of control terminal and controlled end two parts, in the system, control terminal by GSM communication modules and
Computer is formed, and controlled end is made up of TTU and distribution transformer.Its Computer is used to be monitored and controlled, and computer not only may be used
To receive the TTU sended over by gsm module data, but also TTU can be controlled by gsm module.Computer is through short
Message service center sends short message to controlled end, and after gsm module receives short message, TTU, TTU are transmitted to by serial port RS232
Short message according to receiving is handled, and therefrom extracts control command, then carry out corresponding control operation to distribution transformer；
And the status information of distribution transformer is also to be sent to SMS service center by gsm module in the form of short message, then by
SMS service center is sent to computer.After computer receives short message, short message can be beamed back according to the content of short message and entered
Control of the row to distribution transformer.
Fig. 2 is GSM remote monitoring theory diagrams.Wherein, the GSM communication network include exchanging network subsystem (SS),
Wireless base station subsystem (BSS) and mobile station (MS) and four big subsystem of operation and maintenance sub system (OMC), the switching network way
System（SS) include：Mobile services switching centre（MSC）, VLR Visitor Location Register（VLR), attaching position register（HLR), reflect
Power center（AUC）, mobile device identification register（EIR）；Wireless base station subsystem (BSS) include base station controller (BSC) and
Base transceiver station (BTS)；Mobile station includes mobile terminal (MS) and client identification card (SIM)；SMS service center
(SMSC)。
Exchanging network subsystem（SS function of exchange and the number needed for user data mobile management, security management) are completed
According to library facility, SS is made up of a series of function corpse, and each functional entity is described below：
Mobile services switching centre（MSC）The core of gsm system, be pointed to its institute's overlay area mobile station be controlled and
The functional entity that speech channel exchanges, and the interface between GSM and other public networks.
VLR Visitor Location Register（VLR) be used for storing MSC in order to handle MS in compass of competency（General designation calls on a customer）'s
The information of retrieval, the identification in present position region, to offering customers service parameter needed for calling, outgoing call.
Attaching position register（HLR) it is used for the data that storage management department is used for mobile client management.
AUC（AUC）For being produced as determining mobile client identity and to the required authentication of calling secrecy, the work(of encryption
Can entity.
Mobile device identifies register（EIR）For storing relevant mobile station equipment parameter.
Wireless base station subsystem (BSS) BSS is mainly responsible for completing the functions such as wireless transmission reception and RRM.Work(
Energy entity can be divided into base station controller (BSC) and base transceiver station (BTS).
Mobile station is mobile client environment division, and it is made up of two parts, mobile terminal (MS) and client identification card
(SIM)。
Operation and maintenance sub system (OMC) OMC completes the management and monitoring to whole GSM network.Realized by it to GSM nets
The functions such as the monitoring of interior various parts function, state report, fault diagnosis.
GSM is also equipped with SMS service center (SMSC) on the net can open point-to-point SMS service, can open again
Broadcast type public information business.Be additionally equipped with voice mail, can opening voice message-in service, when Mobile terminating call client be able to wouldn't connect
When logical, voicemail messages can be connected to, improve networking percent of call completed.
It should be noted that point-to-point short message is the business that GSM Phasel standards define, it is passed by signaling channel
Send, use Separate Dedicated Control Channel (CSDCCH) during no traffic channel call, using slow with control when having traffic channel call
Channel (SACCH) processed, maximum message length are 140 bytes or 160 English alphabets (7Bit codings) or 80 Chinese characters
(Unicode codings).Control to short message shares Three models：Block patterns, based on the PDU patterns of AT instructions, based on AT
The Text patterns of instruction.Before, Block patterns are gradually substituted by PDU patterns, and Text patterns transmitting-receiving short message principle is simple, program
Implement and be easier, but be that can only receive and dispatch english information can not receive and dispatch Chinese information the shortcomings that its is notable, PDU patterns are then complete
Can solve this problem entirely, the content of short message by PUD codings can be not only English but also can also be Chinese, in addition
Can be sound or image by the PDU content of short message encoded.PDU patterns support different coded systems, Ke Yishi simultaneously
The operation of existing various data, these coded systems include：7bit, 8bit and USC2 are encoded, short with the development of short-message protocol
Message can support more diversified data in the future.
In general, it is first to be read in message deposit SIM card to receive short message, then short what is handled again
Message delete, so once receive short message to carry out 4 times read-write SIM card (write SIM card, read SMS message, will be short in SIM card
Message is by non-read flag to have read, delete short message data), this certainly will influence the life-span of SIM card.Use PDU pattern cans
Avoid reading and writing SIM card and short message data being directly delivered into subscriber terminal equipment, so as to improve the reliability of system.So
PDU patterns have bigger advantage than Text pattern.Because PDU patterns have clear advantage, so it is obtained extensively in practice
Using the system design is exactly to use PDU patterns.
To designing also without unified national standard for TTU, but can be according to its function with reference to some national standards and industry mark
Standard performs
As shown in figure 3, the TTU includes LCD, microprocessor chip, computation chip, ferroelectric memory, power supply and signal conversion
Chip, peripheral function expansion module, the microprocessor chip include 1 RS485 interface and 1 GSM network interface.
According to the requirement of system general function, software and hardware circuit design has been carried out to device.Hardware circuit mainly wraps
Include：Main control module, digital sampling and processing, clock module, On-off signal output module, communication module.This terminal is not only
The ac parameter of distribution transformer can be measured, moreover it is possible to communicated by GSM network with monitoring host computer, so that control room can be right at any time
The running status and parameter of distribution transformer are monitored.
By the standard of demand analysis and reference, determine that TTU design objective is as follows：
（1）TTU can realize three-phase and four-line（Or phase three-wire three）Real-time AC Data Acquisition, 176~264V of voltage, electric current is derived from
The secondary side of primary current transformer, rated current 5A（Monitoring terminal can coordinate with the primary current transformer of plurality of specifications and make
With, but the input current of monitoring terminal is up to 5A）.0.5 grade of voltage measurement accuracy, 0.5 grade of current measurement precision, power measurement
1 grade of precision；
（2）Frequency measurement accuracy is 0.1Hz；
（3）Phase failure protection function, even if the situation for broken a phase or two-phase occur can continue to work, and it is used as failure shape
State records；
（4）The various operation parameters of distribution transforming are counted, including：The voltage of three-phase, electric current, power, frequency；
（5）1 RS-485 mouth, 1 GSM interface；
（6）Clock accuracy is the ± 60s/ months, it is also ensured that 10 years when walking after power-off.
Wherein, the microprocessor chip is enhanced 51 series monolithic STC89C516RD+, has 1K byte RAM,
It is more convenient using C language programming；64K bytes FLASH, possesses application programming（IAP）Function.
Key control unit of the microprocessor chip as system, the selection of microcontroller is most important, its direct relation
To the overall performance of system.In order to ensure ROM, RAM that the reliability service of whole embedded system must have Large Copacity first are provided
Source, secondly the speed of service is sufficiently fast, in PC
ICP/IP protocol stack has the support of operating system, is divided into multiple tasks and process to carry out, and does not have in the system
It is still single task, one process using operating system.
In view of factors above, on the premise of relative low price, enhanced 51 system that is released using Shenzhen macrocrystalline scientific ＆ technical corporation
Row single-chip microcomputer STC89C516RD+ is as controller.Traditional 12 clock cycle of 8051 kernel are an instruction cycle, and this
It is an instruction cycle that processing speed is brought up to 6 clock cycle by the kernel of double-speed 8051, and highest supports 80M crystal oscillator frequency
Rate.STC89C series monolithics and 8051 series（MCS-51）Completely compatible, original resource can be used.Meanwhile it has height
Speed, low-power consumption, system/application programming（IAP、ISP）Function.
Its design feature is mainly as follows：
（1）With 1K byte RAM, programmed using C language more convenient；64K bytes FLASH, possesses application programming（IAP）Function；
（2）ALE address latch functions can be opened or closed.Export when only MOVX or MOVC instructions perform during closing, carry significantly
High system EMI performances；
（3）Support Double Data pointer（DPTR）, table look-up, address it is more convenient；
（4）Built-in 8 interrupt source, interrupt priority level are 4 grades；
（5）Built-in house dog, house dog output can be opened or closed as needed；
（6）With output monitoring function, supply voltage is exported when being down to 3.85V；
（7）3 16 bit timing devices/counters.
Microcontroller will not only read the numerical value of corresponding registers in computation chip ADE7758, also realize GSM communications association
View, data processing.The 64K bytes FLASH that STC89C516RD+ single-chip microcomputers provide can be very good settlement procedure space problem.
The computation chip is ADE7758, and the ADE7758 includes 6 tunnels analogy passages, A/D converter and special meter
The DSP of calculation is integrated.
As shown in figure 4, corresponding peripheral circuit is aided in complete measurement function as metering module using ADE7758 chips.
ADE7758 is the special ASIC that ADI companies develop for three-phase electric energy metering, it by 6 tunnels analogy passages, A/D converter and
The DSP of dedicated computing is integrated, execution cycle voltage, current effective value, active and idle accumulated value（Power, electric energy）,
The measurement of power network whole electrical parameter can be completed by the numerical calculation of external auxiliary, ADE7758 measurement accuracy grade can 1000：
Reach 0.1% precision in 1 dynamic range；The high-precision reference voltage of Embedded and temperature measurement unit.Using standard
SPI is completed with peripheral MCU interfaces, can realize that the programmed configurations to ADE7758, the collection of electric quantity data, calibration etc. are more by SPI
Kind function.
Wherein, the ferroelectric memory is FM25640.
After computation chip ADE7758 processing, obtain substantial amounts of electric quantity data, data, calibration data are set it is necessary to root
According to needing to store data.In STC89C516RD+ single-chip microcomputers, FLASH capacity is up to 64K.
But FLASH read-write has strict condition limitation：
1. there is certain programming/deletion magnitude of voltage, although this voltage can be provided by internal voltage generator, needs carry
For enough electric currents；
2. programming/erasing time is controlled by the hardware of FLASH memory, software can not be interfered；
3. during programming/deletion, it is impossible to any code is performed in FLASH memory；
4. because FLASH write-in can only be write as 1 by 0, operation must be zeroed out before entering row write；
5. code segment and data segment are put in same FLASH simultaneously, in order to avoid being overlapped due to code segment and data segment
Caused program error performs, and this just brings inconvenience to corresponding Software for Design.
A variety of limitations above, it is clear that do not meet the requirement of TTU system real times.These significant datas require that storage can
Lean on, accurate and power down is not lost, and substantial amounts of electric quantity data is deposited real-time progressive, a large amount of numbers write-ins etc. and required.
Based on this feature, the scheme of storage information we use outside extension ferroelectric RAM to complete.Ferroelectric memory ten
The frequent write operation and power down for dividing suitable electric quantity data do not lose characteristic, meet the design requirement of monitoring terminal, it is contemplated that read-write
Rate request and needs, FM25640 is selected, it has 64KB（8K bytes）The working range, unrestricted of memory space, technical grade
Read and write access and no-delay write-in feature, low-power consumption, writing protection function；With high speed SPI interface, succinct appearance and size
（8PINS DIP or SOP）.Consider the reliability of data, all data storages all use redundancy backup mode, meet number
According to the reliability requirement of operation.FM25640 working circuit diagrams are as shown in Figure 5.
Wherein, the peripheral function expansion module includes clock chip, and the clock chip is DS1305.
That real-time timepiece chip is selected is DS1305, and it is the alarm real-time timepiece chip with SPI serial line interfaces, can be passed through
Serial line interface provides the time and date of binary-coded decimal form.The chip has two kinds of encapsulation shapes of TSSOP of 16 pin DIP and 20 pins
Formula, operating voltage are 2.0V~5.5V, can external charge battery, still can normally maintain internal operation clock after system power failure.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
- A kind of 1. Power Distribution Remote Monitor System based on gsm communication module, it is characterised in that：Including control terminal and controlled end, institute State control terminal with controlled end by GSM communication network to be connected, control terminal is made up of GSM communication modules and computer, controlled end It is made up of GSM communication modules, TTU and distribution transformer, GSM communication network includes communication base station and SMS service center, control The GSM communication modules at end processed are connected with computer by serial port RS232, and the GSM communication modules of controlled end pass through serial port RS232 is connected with TTU, and TTU is connected with distribution transformer, and the GSM communication modules of control terminal are taken by communication base station and short message Business center is connected, and SMS service center is connected by communication base station with the GSM communication modules of controlled end.
- 2. the Power Distribution Remote Monitor System according to claim 1 based on gsm communication module, it is characterised in that：The GSM Communication network includes exchanging network subsystem (SS), wireless base station subsystem (BSS) and mobile station (MS) and Operation and Maintenance subsystem System (OMC) four big subsystem, the exchanging network subsystem（SS) include：Mobile services switching centre（MSC）, vision location posts Storage（VLR), attaching position register（HLR), AUC（AUC）, mobile device identification register（EIR）；Wireless base station Subsystem (BSS) includes base station controller (BSC) and base transceiver station (BTS)；Mobile station includes mobile terminal (MS) and visitor Family identification card (SIM)；SMS service center (SMSC).
- 3. the Power Distribution Remote Monitor System according to claim 1 based on gsm communication module, it is characterised in that：The control End processed and controlled end are communicatively coupled by the form of short message, and the short message utilizes PDU coding modes.
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| CN201610532175.6A CN107591890A (en) | 2016-07-07 | 2016-07-07 | Power Distribution Remote Monitor System based on gsm communication module |
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2016
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| CN101014173A (en) * | 2006-12-31 | 2007-08-08 | 姜宏伟 | Method and system for transmitting monitoring data of communication base station |
| CN101909370A (en) * | 2009-06-04 | 2010-12-08 | 上海共联通信信息发展有限公司 | Base station wireless remote monitoring system |
| CN101951031A (en) * | 2010-07-02 | 2011-01-19 | 北京航空航天大学 | Distribution network automatic system based on broadband wireless communication and realization method thereof |
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Application publication date: 20180116 |
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