CN208766264U - A kind of system of the power distribution network main equipment live detection based on electric power wireless communication - Google Patents
A kind of system of the power distribution network main equipment live detection based on electric power wireless communication Download PDFInfo
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- CN208766264U CN208766264U CN201821422927.4U CN201821422927U CN208766264U CN 208766264 U CN208766264 U CN 208766264U CN 201821422927 U CN201821422927 U CN 201821422927U CN 208766264 U CN208766264 U CN 208766264U
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- electric power
- power wireless
- live detection
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a kind of systems of power distribution network main equipment live detection based on electric power wireless communication, include data platform, data concentrator, data collector and logging；The data platform passes through electric power wireless private network with data collector with data collector, the data concentrator with data concentrator, the data platform and is communicated；The data concentrator passes through electric power wireless private network with logging with logging, the data collector and short-distance radio network is communicated.The utility model discloses the systems of the power distribution network main equipment live detection wirelessly communicated based on electric power, can improve the efficiency of power distribution network live detection, and data processing and transmission speed are fast, guarantee the safety of equipment and data, can effectively carry out live detection work.
Description
Technical field
The utility model belongs to power distribution network live detection technical field, and in particular to a kind of matching based on electric power wireless communication
The system of grid master live detection.
Background technique
In face of resident and relevant enterprise to the power supply reliability increasingly higher demands of power distribution network, it is necessary to power distribution network
Capital equipment carries out live detection work, and by detecting the defect of equipment in equipment is run, and then planned arrangement is repaired
Reason or replacement, to avoid power failure caused by due to equipment catastrophic failure.
As the number of devices of economic development, the quickening of urbanization process, power distribution network is increasing, and it is distributed dispersion.It is existing
There are power distribution network live detection heavy workload and Tune spread, expends a large amount of manpower and material resources；The effect and efficiency of live detection have
It is to be hoisted.
" charged electric power apparatus inspection specifications (tentative) " file of foundation state's electricity grid company publication, live detection
Method includes: high frequency partial discharge examination, infrared thermography, ultrasonic signal detection, ultra high frequency PD detection, transient state
Ground voltage detection, earth current measurement, SF6 gas decompose analyte detection and the leakage imaging method detection of SF6 gas.In progress and temperature
When various detections related with humidity (such as IR thermal imaging inspection), environment temperature and humidity should be measured simultaneously.When using a kind of
Detection method discovering device will use other feasible method further progress joint-detections there are when problem, in detection process
Note abnormalities signal, it should be noted that the application of combination technique is associated analysis.
According to " DL/T 814-2013 electrical power distribution automatization system technical specification " standard, communication mode mainly includes that optical fiber is special
Net, distribution line carrier, wireless public network and wireless private network.Distribution Network Equipment quantity is more and dispersion should not be using the mould of optical fiber private network
Formula；Distribution line carrier is obstructed by distribution transformer, and distribution wire itself has the biggish loss of signal and impulse disturbances；Short distance
Wireless communication technique transmission range is limited, is unable to satisfy the demand of a wide range of power distribution network；Operator's GPRS/2G/3G wireless public network
Security risk is high, controllability is low, somewhat expensive.
To solve the above-mentioned problems, CN105021959A discloses a kind of new distribution host equipment partial discharge electrification detection system
System and method, including the intelligence sensor and portable equipment being arranged on distribution power equipment outer surface；Intelligence sensor connects
The partial discharge information of continuous monitoring distribution power equipment, and stored；Portable equipment wirelessly, reads intelligence sensor
Interior detection information can be read and expanding data as a result, receive the data of Study on smart vision sensor and save all monitoring datas
Map and as a result, be analyzed and processed to the historical data in database, provides the shelf depreciation trend and diagnostic comments of system.
But Cortex-A8 embeded processor of the invention using running frequency less than 1GHz carries out Data Analysis Services, data analysis
Processing speed is slow, and the waiting time is very long；Staff is needed to examine with portable equipment at each main equipment of power distribution network
It surveys, waste of manpower resource, low efficiency.
To solve the above-mentioned problems, CN107765156A discloses a kind of distribution host based on power line carrier, PLC and sets
The system and method for standby live detection, system includes n intelligent data collecting unit, concentrated collection device, intelligent inspection tour instrument and data pipe
Platform；Method specifically: intelligent data collecting unit acquisition Partial discharge signal is stored；Concentrated collection device is logical by power line carrier
The mode of letter gets the Partial discharge signal of different intelligent acquisition unit and is stored；Mainly calling is primary daily for concentrated collection device
The information of each intelligent data collecting unit, and data management platform is reported to by 4G wireless private network, data management platform to signal into
Identify whether after row processing as Partial discharge signal；If it was found that doubtful point of discharge, is pushed by data management platform and is alerted, and passed through
SMS platform notifies relevant staff, when carrying out live live detection, shows coherent detection by intelligent inspection tour instrument
The information arrived.The invention uses power line carrier, PLC, but power line carrier, PLC has the disadvantage that 1, hindered by distribution transformer
Every；2, there is the very big loss of signal (10dB-30dB) between three-phase power line；3, there are impulse disturbances inherently in power line,
A large amount of peripheral circuits are needed to be not appropriate for large-scale use to signal progress power amplification and filtering；Due to the resistance of distribution transformer
Every effect, when concentrated collection device breaks down, the signal communication of region is interrupted completely, is existed using defect.
Utility model content
In view of the shortcomings of the prior art, the utility model discloses the power distribution network main equipment band electric-examinations wirelessly communicated based on electric power
The system and method for survey improve the efficiency of power distribution network live detection, and data processing and transmission speed are fast, guarantee equipment and data
Safety can effectively carry out live detection work.
A kind of system of the power distribution network main equipment live detection based on electric power wireless communication, includes data platform, data set
Middle device, data collector and logging；The data platform and data concentrator, the data platform and data collector, institute
It states data concentrator and passes through electric power wireless private network with data collector and communicated；The data concentrator and logging, institute
State that data collector passes through electric power wireless private network with logging and short-distance radio network is communicated.
Preferably, the data platform include data acquisition server, data storage server, data analytics server and
Work station；The data acquisition server includes microprocessor and electric power wireless private network module；The data acquisition server, number
It is communicated according to storage server, data analytics server and work station by interchanger.
Preferably, the data concentrator include microprocessor, ups power, electric power wireless private network module and short distance without
Line transmission module；The ups power is backup power source, is powered when power-off to data concentrator in outside；The electric power is wirelessly special
Net module and short range wireless transmission module are connected by serial ports with microprocessor.
Preferably, the data collector includes microprocessor, battery, intelligence sensor, electric power wireless private network module
With short range wireless transmission module；The battery is backup power source, is powered when power-off to data concentrator in outside；The intelligence
Energy sensor, electric power wireless private network module and short range wireless transmission module are connected by serial ports with microprocessor.
Preferably, the logging includes microprocessor, lithium battery, electric power wireless private network module, short range wireless transmission
Module, liquid crystal driver module and liquid crystal display；The lithium battery is powered to logging；The electric power wireless private network module and short
Range wireless transmission module is connected by serial ports with microprocessor；The liquid crystal display passes through liquid crystal driver module and micro process
Device is connected.
Preferably, the data platform is arranged in distribution main website；The data concentrator setting is in electronic station；Institute
State data collector setting lane terminal in the distance.
Preferably, the microprocessor is to support a set of DSP to instruct with FPU Float Point Unit, has encryption unit, tool
There is the microprocessor of firewall unit and unit.
Preferably, the electric power wireless private network can be McwILL, in TD-LTE230, TD-LTE 1.8GHz wireless private network
It is one or more.
Further, the electric power wireless private network is TD-LTE 1.8GHz wireless private network；The 1.8G wireless module is China
For ME909S-821 module.
Preferably, the short-distance radio network can be one of WIFI, bluetooth and ZigBee-network or a variety of.
Preferably, the intelligence sensor includes infrared thermal imaging sensor and high frequency partial discharge sensor, ultrasonic wave
At least one of signal transducer, high-frequency local discharging sensor, transient earth voltage sensor, HF gas sensor.Institute
State infrared thermal imaging sensor integration Temperature Humidity Sensor.
Preferably, the microprocessor is STM32L4A6 microprocessor, has FPU Float Point Unit, which supports institute
There are ARM single precision data processor instructions and data type, supports a set of DSP to instruct, it can be achieved that efficient signal processing and multiple
Miscellaneous algorithm executes；With hardware encryption unit, be able to achieve 128,256 and HASH(MD5 of AES, SHA-1) data encryption it is hard
Part accelerates, and guarantees the safety of transmission data；With firewall unit, program and data can be prevented to be tampered, guarantee equipment and
The safety of data.
It is preferred that firewall configuration are as follows:
/* Protected code segment start address and length */
fw_init.CodeSegmentStarAddress = FW_CODE_START_ADDRESS;
fw_init.CodeSegmentLength = FW_CODE_LENGTH;
/* Protected non-volatile data segment (in FLASH memory) start
address and length */
fw_init.NonVDatasegmentStartAddress = FW_DATA_START_ADDRESS;
fw_init.NonVDataSegmentLength = FW_DATA_LENGTH;
/* Protected volatile data segment (in SRAM1 memory) start address
and length */
fw_init.VDataSegmentStartAddress = FW_VDATA_START_ADDRESS;
fw_init.VDatasegmentLength = FW_VDATA_LENGTH;
/* Protected volatile data segment can't be executed */
fw_init.VolatileDataExecution = FIREWALl_VOLATILEDATA_NOT_
EXECUTABLE;
/* Protected volatile data segment is not shared with non-protectde
application code */
fw_init.VolatileDateShared = FIREWALL_VOLATILEDATA_NOT_
SHARED;
The code is configured with three protection sections altogether, is data in the code and data and SRAM1 in Flash respectively；Wherein
Data configuration is at can not share and not can be performed in SRAM1.
Compared with prior art, a kind of power distribution network main equipment live detection based on electric power wireless communication of the utility model
System has the advantages that:
1, a kind of system of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model is adopted
Electric power wireless private network TD-LET 1.8GHz communication is carried out with Huawei's ME909S-821 module, data transmission bauds is fast.
2, a kind of system of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model is adopted
It is communicated with electric power wireless private network TD-LET 1.8GHz, all data collectors and data concentrator can be directly flat with data
Platform communication, saves human resources, improves the efficiency of live detection.
3, a kind of system of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model is adopted
With STM32L4A6 microprocessor, there is FPU Float Point Unit, the unit support all ARM single precision data processor instructions and
Data type supports a set of DSP to instruct, it can be achieved that efficient signal processing and complicated algorithm execute.
4, a kind of system of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model is adopted
With STM32L4A6 microprocessor, AES and HASH(MD5, SHA-1 are able to achieve with encryption unit) hardware of data encryption adds
Speed guarantees the safety of data.
5, a kind of system of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model is adopted
With STM32L4A6 microprocessor, there is firewall unit, program and data can be prevented to be tampered, guarantees equipment and data
Safety.
6, the system of a kind of power distribution network main equipment live detection based on electric power wireless communication disclosed by the utility model, and
The prior art is compared, and the efficiency of power distribution network live detection is improved, and data processing and transmission speed are fast, guarantees the peace of equipment and data
Entirely, live detection work can effectively be carried out.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the data platform structural schematic diagram of the utility model；
Fig. 3 is the data concentrator structural schematic diagram of the utility model；
Fig. 4 is the data collector structural schematic diagram of the utility model；
Fig. 5 is the logging structural schematic diagram of the utility model；
The high speed detecting circuit structural schematic diagram of the position Fig. 6 the utility model.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Embodiment one:
As shown in Figure 1, a kind of system of the power distribution network main equipment live detection based on electric power wireless communication, flat comprising data
Platform, data concentrator, data collector and logging；Data platform and data concentrator, data platform and data collector, number
Pass through electric power wireless private network with data collector according to concentrator to be communicated；Data concentrator and logging, data collector
Pass through electric power wireless private network with logging and short-distance radio network is communicated.
In installation data concentrator, being numbered to the data concentrator of installation, determines data on data platform
The mailing address of concentrator, and it is set as data platform primary communications address.
In installation data collector, data collector is numbered on data concentrator, determines data collector
Mailing address.
After all data collectors and data concentrator are installed, on data platform according to belonging to data collector
Data concentrator, determine the mailing address of all data collectors, and data concentrator primary communications address belonging to being set as
The secondary communications address of lower layer.
As shown in Fig. 2, data platform include data acquisition server, data storage server, data analytics server and
Work station；Data acquisition server includes microprocessor and electric power wireless private network module；Data acquisition server, data storage clothes
Business device, data analytics server and work station are communicated by interchanger.
As shown in figure 3, data concentrator includes microprocessor, ups power, electric power wireless private network module and short-distance wireless
Transmission module；Ups power is backup power source, is powered when power-off to data concentrator in outside；Electric power wireless private network module and short
Range wireless transmission module is connected by serial ports with microprocessor.
As shown in figure 4, data collector include microprocessor, battery, intelligence sensor, electric power wireless private network module and
Short range wireless transmission module；Battery is backup power source, is powered when power-off to data collector in outside；Intelligence sensor,
Electric power wireless private network module and short range wireless transmission module are connected by serial ports with microprocessor.
As shown in figure 5, logging includes microprocessor, lithium battery, electric power wireless private network module, short range wireless transmission mould
Block, liquid crystal driver module and liquid crystal display；Lithium battery is powered to logging；Electric power wireless private network module and short-distance wireless pass
Defeated module is connected by serial ports with microprocessor；Liquid crystal display is connected by liquid crystal driver module with microprocessor.
Electric power wireless private network can be one of McwILL, TD-LTE230, TD-LTE 1.8GHz wireless private network or more
Kind.
Electric power wireless private network is TD-LTE 1.8GHz wireless private network；The 1.8G wireless module is Huawei ME909S-821
Module.
Short-distance radio network can be one of WIFI, bluetooth and ZigBee-network or a variety of.
Intelligence sensor include infrared thermal imaging sensor and high frequency partial discharge sensor, ultrasonic signal sensor,
At least one of high-frequency local discharging sensor, transient earth voltage sensor, HF gas sensor.The infrared thermal imaging
Sensor integration Temperature Humidity Sensor.
Microprocessor is STM32L4A6 microprocessor, has FPU Float Point Unit, which supports all ARM single precisions
Data processor instructions and data type support a set of DSP to instruct, it can be achieved that efficient signal processing and complicated algorithm are held
Row；With hardware encryption unit, be able to achieve AES 128/256 and HASH(MD5, SHA-1) data encryption it is hardware-accelerated, protect
The safety of card transmission data；With firewall unit, program and data can be prevented to be tampered, guarantee the peace of equipment and data
Entirely.
It is preferred that firewall configuration are as follows:
/* Protected code segment start address and length */
fw_init.CodeSegmentStarAddress = FW_CODE_START_ADDRESS;
fw_init.CodeSegmentLength = FW_CODE_LENGTH;
/* Protected non-volatile data segment (in FLASH memory) start
address and length */
fw_init.NonVDatasegmentStartAddress = FW_DATA_START_ADDRESS;
fw_init.NonVDataSegmentLength = FW_DATA_LENGTH;
/* Protected volatile data segment (in SRAM1 memory) start address
and length */
fw_init.VDataSegmentStartAddress = FW_VDATA_START_ADDRESS;
fw_init.VDatasegmentLength = FW_VDATA_LENGTH;
/* Protected volatile data segment can't be executed */
fw_init.VolatileDataExecution = FIREWALl_VOLATILEDATA_NOT_
EXECUTABLE;
/* Protected volatile data segment is not shared with non-protectde
application code */
fw_init.VolatileDateShared = FIREWALL_VOLATILEDATA_NOT_
SHARED;
The code is configured with three protection sections altogether, is data in the code and data and SRAM1 in Flash respectively；Wherein
Data configuration is at can not share and not can be performed in SRAM1.
As shown in fig. 6, being located in data collector to meet high speed peak-detector circuit designed by system requirements.When
Input voltage is in the peak value of positive value, diode D1 reverse bias, diode D2 forward bias and does not have in feedback resistor R2
There is electric current.U2 is equivalent to a voltage follower, the voltage on output voltage phase tracking condenser C1 at this time.When IN reduce and
When D2 cathode voltage is lower than the voltage on capacitor C1, diode D2 reverse bias, diode D1 forward bias.This state will
It maintains until input voltage is more than the voltage of capacitor C1.
In use, when data platform can not be communicated with some data concentrator, data platform is according to the number
According to concentrator data platform number search its corresponding to primary communications address；It is obtained according to the primary communications address found
The secondary communications address of its lower layer represents the mailing address of the data collector communicated with the data concentrator.Data platform
It is directly communicated with data collector according to the secondary communications address found, while by the push warning of electric power wireless private network, and
It notifies the relevant staff data concentrator to break down by SMS platform, needs to overhaul.
In use, when data concentrator can not be communicated with some data collector, data concentrator passes through
Electric power wireless private network sends information to data platform.Data platform trial is communicated with the data collector, if communication failure,
Data platform notifies the relevant staff data collector by SMS platform by the push warning of electric power wireless private network
It breaks down, needs to overhaul；If communicating successfully, data platform passes through SMS platform by the push warning of electric power wireless private network
The data concentrator for notifying relevant staff to send information breaks down, and needs to overhaul.
Compared with prior art, the utility model discloses a kind of power distribution network main equipment electrifications based on electric power wireless communication
The system of detection can improve the efficiency of power distribution network live detection, and data processing and transmission speed are fast, guarantee the peace of equipment and data
Entirely, live detection work can effectively be carried out.
Although the utility model is illustrated and described with regard to preferred embodiment, those skilled in the art should be managed
Solution, without departing from the claim limited range of the utility model, the utility model can be carried out various change and
Modification.
Claims (6)
1. a kind of system of the power distribution network main equipment live detection based on electric power wireless communication, it is characterised in that: flat comprising data
Platform, data concentrator, data collector and logging；The data platform and data concentrator, the data platform and data
Collector, the data concentrator pass through electric power wireless private network with data collector and are communicated；The data concentrator with
Logging, the data collector pass through electric power wireless private network with logging and short-distance radio network is communicated.
2. a kind of system of power distribution network main equipment live detection based on electric power wireless communication according to claim 1,
Be characterized in that: the data platform includes data acquisition server, data storage server, data analytics server and work
It stands；The data acquisition server includes microprocessor and electric power wireless private network module.
3. a kind of system of power distribution network main equipment live detection based on electric power wireless communication according to claim 1,
Be characterized in that: the data concentrator includes microprocessor, ups power, electric power wireless private network module and short range wireless transmission
Module.
4. a kind of system of power distribution network main equipment live detection based on electric power wireless communication according to claim 1,
Be characterized in that: the data collector includes microprocessor, battery, intelligence sensor, electric power wireless private network module and short distance
From wireless transport module.
5. a kind of system of power distribution network main equipment live detection based on electric power wireless communication according to claim 1,
Be characterized in that: the logging includes microprocessor, lithium battery, electric power wireless private network module, short range wireless transmission module, liquid
Brilliant drive module and liquid crystal display.
6. a kind of system of power distribution network main equipment live detection based on electric power wireless communication according to claim 2,
Be characterized in that: the microprocessor is to support a set of DSP to instruct with FPU Float Point Unit, has encryption unit, has fire prevention
The microprocessor of wall unit and unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422927.4U CN208766264U (en) | 2018-08-31 | 2018-08-31 | A kind of system of the power distribution network main equipment live detection based on electric power wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422927.4U CN208766264U (en) | 2018-08-31 | 2018-08-31 | A kind of system of the power distribution network main equipment live detection based on electric power wireless communication |
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| Publication Number | Publication Date |
|---|---|
| CN208766264U true CN208766264U (en) | 2019-04-19 |
Family
ID=66134945
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422927.4U Expired - Fee Related CN208766264U (en) | 2018-08-31 | 2018-08-31 | A kind of system of the power distribution network main equipment live detection based on electric power wireless communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732477A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司镇平县供电公司 | A kind of system and method for the power distribution network main equipment live detection based on electric power wireless communication |
| CN112763792A (en) * | 2019-11-06 | 2021-05-07 | 株洲中车时代电气股份有限公司 | Intelligent current sensor and current collection method based on intelligent current sensor |
-
2018
- 2018-08-31 CN CN201821422927.4U patent/CN208766264U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732477A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司镇平县供电公司 | A kind of system and method for the power distribution network main equipment live detection based on electric power wireless communication |
| CN112763792A (en) * | 2019-11-06 | 2021-05-07 | 株洲中车时代电气股份有限公司 | Intelligent current sensor and current collection method based on intelligent current sensor |
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