CN106505741B - A kind of electric energy quality monitoring administering method at electric automobile charging pile based on Internet of Things - Google Patents
A kind of electric energy quality monitoring administering method at electric automobile charging pile based on Internet of Things Download PDFInfo
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- CN106505741B CN106505741B CN201611174680.4A CN201611174680A CN106505741B CN 106505741 B CN106505741 B CN 106505741B CN 201611174680 A CN201611174680 A CN 201611174680A CN 106505741 B CN106505741 B CN 106505741B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
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- 238000007405 data analysis Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 230000002452 interceptive effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005265 energy consumption Methods 0.000 claims description 6
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- 238000005516 engineering process Methods 0.000 claims description 3
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- 238000005070 sampling Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 231100001143 noxa Toxicity 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005121 nitriding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- H02J13/0013—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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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
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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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
- Y04S40/128—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 involving the use of Internet protocol
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses the electric energy quality monitoring administering methods at a kind of electric automobile charging pile based on Internet of Things, monitoring modular acquires the working condition and power quality information at charging pile by electric energy measurement sensor, send power quality data to Data Analysis Services main website, discriminatory analysis is carried out to data, if power quality is lower than minimum threshold values, Data Analysis Services main website will send pre-warning signal and give on-line monitoring terminal, the electric energy governing device in the region is sent instructions to simultaneously, realize administer unified to the power quality in the region, Data Analysis Services main website keeps interactive connection by communication module and on-line monitoring system terminal；The electric energy governing device includes voltage compensator and electric power voltage-stabilizer.The present invention reduces manual operation, avoid it is manually-operated non-timely；Improve power quality controlling efficiency and distribution network automated degree；It is significantly more efficient to protect accumulator of electric car and other loads, extend their service life.
Description
Technical field
The invention belongs to Power Quality Detection field, in particular at a kind of electric automobile charging pile based on Internet of Things
Electric energy quality monitoring administering method.
Background technique
Existing electric vehicle engineering is still in the small-scale trial operation stage, face electric car extensive development and
The problems such as temporal regularity of people's work and rest, charging load have an apparent evening peak.Charge load growth and electric car
Type with scale be it is directly related, as electric car accesses DC distribution net on a large scale, may cause DC distribution net
Voltage flashover, voltage deviation, voltage dip temporarily rise, even will cause system crash when serious.To cause route damage, electricity
The equipment ends failures such as container burns out, dc circuit breaker or relay misoperation, load are burnt.In addition, being connect on a large scale by electric car
Enter DC distribution net generation power quality pollution also will affect DC distribution net operate normally, periphery accumulator of electric car with
And other loads, it will lead to and be filled with the power quality of accumulator of electric car and be affected, cause the service life of battery tight
Reduce again.And existing power quality controlling system is there are still the object being directed to is single, governance efficiency is low, and administers automatic
Change degree is low, and most cases also need manual adjustment to administer.
Summary of the invention
It is clear that the purpose of the present invention is to provide a kind of improvement objects, and treatment range is wide, can independently analyze and determine electronic
Power quality data at automobile charging pile, and the electric car charging based on Internet of Things of corresponding processing method is taken automatically
Electric energy quality monitoring administering method at stake, after electric car accesses on a large scale, it is found that the voltage of DC distribution net is recessed
A series of power quality problems, the systems such as sunken, voltage flashover can be analyzed and determined voluntarily, and Corresponding Countermeasures is taken to carry out it in time
Adjustment to reduce the impact after extensive electric car accesses to the power quality of DC distribution net, and can effectively reduce quality
Lower electric energy is transported to the probability in accumulator of electric car and some other load, to prolong its service life.
The purpose of the present invention is achieved through the following technical solutions: a kind of electric automobile charging pile based on Internet of Things
The electric energy quality monitoring administering method at place, when normal work, monitoring modular is acquired at charging pile by electric energy measurement sensor
Working condition and power quality information send power quality data to Data Analysis Services main website, carry out judgement point to data
Analysis, if power quality is lower than minimum threshold values, Data Analysis Services main website will send pre-warning signal and give on-line monitoring terminal, send out simultaneously
It send instruction to the electric energy governing device in the region, realizes to the unified improvement of the power quality in the region, Data Analysis Services main website
Interactive connection is kept by communication module and on-line monitoring system terminal；The electric energy governing device include voltage compensator and
Electric power voltage-stabilizer.
It is preferred that electric energy quality monitoring is administered on the basis of renewal time t=10min, each region charging is updated
Power quality Hazard factor at stake carries out data discriminatory analysis and controls electric energy governing device start-up operation, to power quality
Pollution has good regulation effect.
It is preferred that the present invention includes electric energy quality monitoring governing system, electric energy quality monitoring governing system includes
Monitoring modular, signal acquisition module, Data Analysis Services main website, communication module, memory module, electric energy governing device, electric energy matter
Amount on-line monitoring terminal and electric energy governing device,
Monitoring modular: comprising the sensor sensitive to power quality fluctuation, for monitoring and obtaining the connection of DC distribution net
Charging pile working condition and power quality information and information of vehicle flowrate at electric automobile charging pile, the number that will test in real time
According to being transferred to the signal acquisition module；
Signal acquisition module: including electric energy measure chip CS5463, there is high-precision, high performance-price ratio, spy low in energy consumption
Property for receiving the analog signal of power quality sensor transmissions, then is converted into corresponding digital signal, CS5463 core
Piece includes a plurality of analog-to-digital conversion channel, corresponding each sensor, to guarantee the synchronism of multiple analog signal samplings；
Data Analysis Services main website: for receiving the data of signal acquisition module transmission, at its received data
Reason, controls the storage of the data and the communication of the control communication module, Data Analysis Services main website include
STM32F103 single-chip microcontroller and other microprocessors, its advantage is that the speed of service is fast, cost performance is high, configuration enrich it is flexible, low in energy consumption
Deng；
Communication module: it is established between higher level control centre (on-line monitoring terminal 8), mobile device respectively using 4G technology
Communication connection；
Power quality monitors terminal on-line: showing information of vehicle flowrate and electric energy matter at electric automobile charging pile in master control room
Information is measured, so as to operator's observation, when system automatic control regulating system failure is not normally functioning, operator can also be with
Instruction artificially is assigned, command information is transmitted to Data Analysis Services main website by communication module, sends and believes to command transmission system
Number, control the opening and closing of electric energy governing device；
Electric energy governing device: including electric power voltage-stabilizer and voltage compensator, terminal is monitored on-line when receiving power quality
It when the instruction assigned, can automatically open or close, to effectively be adjusted to the power quality in DC distribution net system；
This inspective regulation system updates the power quality danger at each region charging pile on the basis of renewal time t=10min
Noxa carries out data discriminatory analysis and controls power quality controlling device start-up operation, has to power quality pollution good
Regulation effect；
Command transmission system: receiving the instruction of Data Analysis Services main website, after receiving signal, controls electric energy governing device
Opening and closing；
Memory module: for received data to be carried out storage record, pass through communication module when storage will be full for data
Batch is uploaded to higher level control centre, can for electric automobile charging pile improvement, it is universal original data is provided, memory can
It is repeatedly erasable, effectively save memory space.
The beneficial effects of the present invention are:
(1) real-time monitoring and improvement to the power quality of the region DC distribution net can be realized by Internet of Things, it can be certainly
The power quality data of main analysis power distribution network, and system is administered automatically, reduces manual operation, is avoided manually-operated
Non-timely；Improve power quality controlling efficiency and distribution network automated degree；
(2) reduce quality bad electric energy input electric car and a series of loads, it is significantly more efficient to protect electricity
Electrical automobile battery and other loads, extend their service life.
Detailed description of the invention
Fig. 1 is that the electric energy quality monitoring administering method workflow at a kind of electric automobile charging pile based on Internet of Things is shown
It is intended to；
Fig. 2 is the electric energy quality monitoring administering method frame structure at a kind of electric automobile charging pile based on Internet of Things
Figure；
Fig. 3 is power distribution network topology diagram；
Fig. 4 is 400V DC distribution net circuit diagram；
In figure, 1- power distribution network, 2- memory module, 3- electric automobile charging pile, 4- monitoring modular, 5- signal acquisition module,
6- Data Analysis Services main website, 7- communication module, 8- power quality monitor terminal, 9- electric energy governing device on-line, and 10- instruction passes
Defeated system.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1 to 4, the electric energy quality monitoring improvement side at a kind of electric automobile charging pile 3 based on Internet of Things
Method, when normal work, monitoring modular 4 acquires the working condition and power quality letter at charging pile by electric energy measurement sensor
Breath, sends power quality data to Data Analysis Services main website 6, carries out discriminatory analysis to data, if power quality is lower than most
Low valve valve, Data Analysis Services main website 6 will send pre-warning signal and give on-line monitoring terminal, while send instructions to the electricity in the region
Can controlling device 9, realize it is unified to the power quality in the region administer, Data Analysis Services main website 6 by communication module 7 with
Line monitoring system terminal keeps interactive connection；The electric energy governing device 9 includes voltage compensator and electric power voltage-stabilizer.
Preferably, electric energy quality monitoring is administered on the basis of renewal time t=10min, is updated at each region charging pile
Power quality Hazard factor carries out data discriminatory analysis and controls the start-up operation of electric energy governing device 9, pollutes and have to power quality
There is good regulation effect.
Preferably, the present invention includes electric energy quality monitoring governing system, and electric energy quality monitoring governing system includes monitoring mould
Block 4, signal acquisition module 5, Data Analysis Services main website 6, communication module 7, memory module 2, electric energy governing device 9, electric energy matter
Amount on-line monitoring terminal 8 and electric energy governing device 9；Wherein monitoring modular 4 is connected by power quality sensor, network communication module
Composition, Data Analysis Services main website 6 are to monitor terminal 8 on-line by power quality and command transmission system 10 connects and composes, charging
The power quality data that electric energy quality monitoring module 4 acquires at charging pile at stake uploads to Data Analysis Services main website 6 in real time, when
When the power quality of certain section is reduced to minimum threshold values, Data Analysis Services main website 6 will send signals to on-line monitoring terminal, by
On-line monitoring terminal sends instructions to the electric energy governing device 9 in the region, and electric energy governing device 9 is opened or closed after receiving instruction
It closes, realizes effective improvement to the region power quality；
Monitoring modular 4: comprising the sensor sensitive to power quality fluctuation, connect for monitoring and obtaining DC distribution net 1
Charging pile working condition at electric automobile charging pile 3 and power quality information and information of vehicle flowrate are connect, will test in real time
Data be transferred to the signal acquisition module 5；
Signal acquisition module 5: including electric energy measure chip CS5463, there is high-precision, high performance-price ratio, spy low in energy consumption
Property for receiving the analog signal of power quality sensor transmissions, then is converted into corresponding digital signal, CS5463 core
Piece includes a plurality of analog-to-digital conversion channel, corresponding each sensor, to guarantee the synchronism of multiple analog signal samplings；Signal is adopted
Collection module 5 is used to receive the analog signal of power quality sensor transmissions, then transmits after being converted into corresponding digital signal
To Data Analysis Services main website 6；
Data Analysis Services main website 6: for receiving the data of the transmission of signal acquisition module 5, its received data is carried out
Processing, controls the storage of the data and the communication of the control communication module 7, Data Analysis Services main website 6 include
STM32F103 single-chip microcontroller and other microprocessors, its advantage is that the speed of service is fast, cost performance is high, configuration enrich it is flexible, low in energy consumption
Deng；Data Analysis Services main website 6 is used to receive the data of the transmission of signal acquisition module 5, is analyzed its received data, is sentenced
Disconnected processing controls the storage of the data, keeps logical by the communication module 7 and higher level control centre (on-line monitoring terminal)
Letter, and the open and close of control electric energy governing device 9；
Communication module 7: it is established between higher level control centre (on-line monitoring terminal), mobile device respectively using 4G technology
Communication connection；
Power quality monitors terminal 8 on-line: showing the information of vehicle flowrate and electric energy at electric automobile charging pile 3 in master control room
Quality information, so as to operator's observation, when system automatic control regulating system failure is not normally functioning, operator can also
Taking human as instruction is assigned, command information is transmitted to Data Analysis Services main website 6 by communication module 7, to command transmission system 10
Signal is sent, the opening and closing of electric energy governing device 9 is controlled；In the vehicle flowrate that the transmission of master control room display data analysis processing main website 6 comes
Information and power quality information are consulted for staff and are checked on, and prevent power quality low and Data Analysis Services main website 6 is motionless
Make, plays the role of automation, manual dual insurance.
Electric energy governing device 9: including electric power voltage-stabilizer and voltage compensator, terminal is monitored on-line when receiving power quality
8 assign instruction when, can automatically open or close, to effectively be adjusted to the power quality in 1 system of DC distribution net
Section；Electric energy governing device 9 is installed on the distribution line of connecting electric automobile charging pile 3, because of the electric energy matter in DC distribution net 1
Control is measured without the concern for harmonic wave, frequency, idle, three-phase imbalance, phase angle and phase, need to only consider voltage one because
Element, therefore electric energy governing device 9 only includes electric power voltage-stabilizer and voltage compensator.
This inspective regulation system updates the power quality danger at each region charging pile on the basis of renewal time t=10min
Noxa carries out data discriminatory analysis and controls power quality controlling device start-up operation, has to power quality pollution good
Regulation effect；
Command transmission system 10: receiving the instruction of Data Analysis Services main website 6, and after receiving signal, control electric energy is administered
The opening and closing of device 9；
Memory module 2: it for received data to be carried out storage record, will be counted when storage will be full by communication module 7
According to being uploaded to higher level control centre in batches, can for electric automobile charging pile 3 improvement, it is universal original data is provided, store
Device can be repeatedly erasable, effectively saving memory space, and memory module 2 is used to received data carrying out storage record, needs when side
Just it recalls at any time.
Fig. 1 is the electric energy quality monitoring administering method workflow at a kind of electric automobile charging pile 3 based on Internet of Things
Schematic diagram, signal acquisition module 5 collect the charging pile working condition at the electric automobile charging pile 3 of each electrical power sensor acquisition
With power quality information and information of vehicle flowrate, the Data Analysis Services main website 6 analyzes the electric energy matter that signal acquisition module 5 transmits
Data are measured, according to power quality characteristic value cloud atlas and threshold values is endangered and compares, if power quality, which has exceeded, endangers threshold values, assign
Instruction is opened electric energy governing device 9 and is returned if being not above.Its electric energy quality monitoring governing system is with renewal time t=
On the basis of 10min, the power quality Hazard factor at each region charging pile is updated, carries out data discriminatory analysis and control electric energy to control
Device 9 is managed to start to work.
Fig. 2 is the electric energy quality monitoring administering method frame structure at a kind of electric automobile charging pile 3 based on Internet of Things
Figure.Monitoring modular 4 is made of power quality sensor, the connection of network communication module 7, and Data Analysis Services main website 6 is by electric energy
Quality on-line monitoring terminal 8 and command transmission system 10 connect and compose, and electric energy quality monitoring module 4 acquires charging pile at charging pile
The power quality data at place uploads to Data Analysis Services main website 6 in real time, when the power quality of certain section is reduced to minimum threshold values
When, Data Analysis Services main website 6 will send pre-warning signal and give on-line monitoring terminal, while the electric energy that will send instructions to the region
Controlling device 9, electric energy governing device 9 open or close after receiving instruction, realize effective improvement to the region power quality.
Fig. 3 is 1 topology diagram of 400V flexible direct current power distribution network.The 400V DC distribution net 1 selected in the present invention is chosen
According to mainly 4 points following: being 1. convenient for being connected with China low-voltage distribution three-phase alternating voltage grade 380V；2. according to both at home and abroad
The experience of a large amount of Practical Projects, the DC bus-bar voltage grade of low-voltage direct power grid are set as 380V with advantage；3. data center
DC bus be generally set to 400V；4. electric car accesses voltage and 400V is close.
Wherein, electric household automotive voltage is mostly 330V, 380V or so currently on the market, can be directly accessed 400V direct current and match
Power grid 1 carries out quick charge, but current rapid nitriding can still damage the life of storage battery, therefore can select under normal circumstances
Select by DC400V voltage by inverter export 75V, 48V, 24V, 12V, etc. serial low voltage power supply electrical automobile and other direct currents
Load uses.
Fig. 4 is that electric energy governing device 9 places schematic diagram.As electric car accesses flexible direct current power distribution network 1 on a large scale, greatly
The voltage flashover, voltage deviation, voltage dip that the randomness of load switching may cause DC distribution net 1 temporarily rise, when serious very
To will cause system crash.To cause, route damage, capacitor is burnt out, dc circuit breaker and relay misoperation, load are burnt
Etc. equipment ends failure.In addition, accessing the power quality pollution that DC distribution net 1 generates on a large scale by electric car also will affect directly
The normal operation of power distribution network 1, periphery accumulator of electric car and other loads are flowed, will lead to the electricity for being filled with accumulator of electric car
Energy quality is affected, and leads to the service life serious curtailments of battery.The method, which puts monitoring modular 4, to be located at close to electronic
The signal that electrical power sensor is collected is fed back to signal acquisition module 5, signal in real time by the distribution line end of automobile charging pile 3
Acquisition module 5 will acquire after signal is converted to digital signal and send Data Analysis Services main website 6 to, if power quality is lower than valve
Value, Data Analysis Services main website 6, which will assign instruction, makes its movement to electric energy governing device 9, while converting digital signals into phase
The actual value answered sends on-line monitoring terminal to.Its electric energy governing device 9 is also installed in the distribution close to electric automobile charging pile 3
Line end.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (3)
1. the electric energy quality monitoring administering method at a kind of electric automobile charging pile based on Internet of Things, it is characterised in that: including
Electric energy quality monitoring governing system, electric energy quality monitoring governing system include monitoring modular, signal acquisition module, at data analysis
Manage main website, communication module, memory module, electric energy governing device, power quality on-line monitoring terminal and electric energy governing device；
Monitoring modular puts the letter being located at close in real time collecting electrical power sensor in the distribution line end of electric automobile charging pile
Number feed back to signal acquisition module；Signal acquisition module will acquire after signal is converted to digital signal and send Data Analysis Services to
Main website carries out discriminatory analysis to data；
If power quality is lower than minimum threshold values, Data Analysis Services main website will send pre-warning signal and give on-line monitoring terminal, simultaneously
The electric energy governing device in region is sent instructions to, is realized to the unified improvement of the power quality in the region, Data Analysis Services main website
Interactive connection is kept by communication module and on-line monitoring system terminal；The electric energy governing device include voltage compensator and
Electric power voltage-stabilizer.
2. the electric energy quality monitoring improvement side at a kind of electric automobile charging pile based on Internet of Things according to claim 1
Method, it is characterised in that: electric energy quality monitoring is administered on the basis of renewal time t=10min, and the electricity at each region charging pile is updated
Energy quality Hazard factor carries out data discriminatory analysis and simultaneously controls electric energy governing device start-up operation, has to power quality pollution
Good regulation effect.
3. the electric energy quality monitoring improvement side at a kind of electric automobile charging pile based on Internet of Things according to claim 1
Method, it is characterised in that:
Monitoring modular: electronic for monitoring and obtaining the connection of DC distribution net comprising the sensor sensitive to power quality fluctuation
Charging pile working condition and power quality information and information of vehicle flowrate at automobile charging pile, the data that will test in real time pass
It is defeated by the signal acquisition module；
Signal acquisition module: including electric energy measure chip CS5463, there is high-precision, high performance-price ratio, characteristic low in energy consumption, use
In the analog signal of reception power quality sensor transmissions, then it is converted into corresponding digital signal, CS5463 chip packet
Containing a plurality of analog-to-digital conversion channel, corresponding each sensor, to guarantee the synchronism of multiple analog signal samplings；
Data Analysis Services main website: for receiving the data of signal acquisition module transmission, its received data is handled, is controlled
The storage of the data and the communication of the control communication module are made, Data Analysis Services main website includes STM32F103 mono-
Piece machine and other microprocessors, its advantage is that the speed of service is fast, cost performance is high, configuration enrich it is flexible, low in energy consumption；
Communication module: it is established and is communicated between higher level control centre (on-line monitoring terminal 8), mobile device respectively using 4G technology
Connection；
Power quality monitors terminal on-line: showing information of vehicle flowrate and power quality letter at electric automobile charging pile in master control room
Breath, so as to operator's observation, when system automatic control regulating system failure is not normally functioning, operator can also be taking human as
Instruction is assigned, command information is transmitted to Data Analysis Services main website by communication module, sends signal, control to command transmission system
The opening and closing of electric energy governing device processed；
Electric energy governing device: it including electric power voltage-stabilizer and voltage compensator, is assigned when receiving power quality on-line monitoring terminal
Instruction when, can automatically open or close, to effectively be adjusted to the power quality in DC distribution net system；
Command transmission system: the instruction for receiving Data Analysis Services main website controls opening for electric energy governing device after receiving signal
It opens and closes；
Memory module: for received data to be carried out storage record, pass through communication module when storage will be full for batch data
Be uploaded to higher level control centre, can for electric automobile charging pile improvement, it is universal original data is provided, memory can be repeatedly
It is erasable, effectively save memory space.
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| CN201611174680.4A CN106505741B (en) | 2016-12-19 | 2016-12-19 | A kind of electric energy quality monitoring administering method at electric automobile charging pile based on Internet of Things |
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