CN113602129A - Electric automobile charging monitoring system - Google Patents
Electric automobile charging monitoring system Download PDFInfo
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- CN113602129A CN113602129A CN202110903349.6A CN202110903349A CN113602129A CN 113602129 A CN113602129 A CN 113602129A CN 202110903349 A CN202110903349 A CN 202110903349A CN 113602129 A CN113602129 A CN 113602129A
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- charging monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 123
- 238000004891 communication Methods 0.000 claims abstract description 52
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000013308 plastic optical fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/67—Controlling two or more charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/68—Off-site monitoring or control, e.g. remote control
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an electric automobile charging monitoring system. The system comprises: the system comprises a WIFI communication module, a plurality of slave charging monitoring modules and a main charging monitoring module; the slave charging monitoring module and the master charging monitoring module respectively comprise a monitoring board and a wireless communication unit which are connected with each other; the monitoring boards are connected with the charging piles to be regulated and controlled in a one-to-one corresponding mode; all the wireless communication units are sequentially connected in series to form a ring network structure; and a monitoring board in the main charging monitoring module is connected with a local monitoring master station through a WIFI communication module. The invention solves the problem of low communication reliability caused by the need of path breaking and poor anti-interference capability.
Description
Technical Field
The invention relates to the field of electric vehicle charging monitoring, in particular to an electric vehicle charging monitoring system.
Background
Along with the rapid development of electric vehicles and the large-scale access of charging piles, electric vehicles are used as vehicles driven by emerging power consumption, the charging randomness is high, new power load fluctuation can be brought to a power grid by the disordered charging of large-scale electric vehicles, the power quality is reduced, the power consumption pressure of a distribution system in a transformer area is increased, and great influence is caused to the running power of the power grid.
Present distribution network is difficult to bear the unordered charging of future electric automobile, takes 2 kinds of measures to solve usually for satisfying power consumption peak load: (1) the capacity increasing transformation is carried out on the existing residential area distribution transformer and most of 10kV lines, but the capacity increasing application time is long, and the investment is large; (2) the charging method has the advantages that ordered charging is carried out, real-time optimal control and peak clipping and valley filling are carried out on the charging pile power of the electric automobile in the transformer area, an important measure for solving overload is achieved, and the requirement of ordered charging service on the transformer area side can be met.
A monitoring module in the existing charging monitoring system generally uses a power line to carry out power carrier communication with a local monitoring master station to realize monitoring and control on the power supply power of a charging pile, so that the load power of a power grid is prevented from causing large fluctuation, but the interference resistance of the power line carrier communication is poor due to the influence of a field electromagnetic environment, and the reliability of data communication is reduced. In order to solve the problems, the prior art adopts a plastic optical fiber technology for communication, but sometimes, because laying optical fibers needs to break a road surface, which is generally not willing to break a road surface for some established cells, an electric vehicle charging monitoring system capable of solving the problems is urgently needed.
Disclosure of Invention
The invention aims to provide an electric vehicle charging monitoring system which not only avoids communication interruption caused by road breaking, but also can ensure stable and reliable work of a communication network.
In order to achieve the purpose, the invention provides the following scheme:
an electric vehicle charging monitoring system, comprising: the system comprises a WIFI communication module, a plurality of slave charging monitoring modules and a main charging monitoring module; the slave charging monitoring module and the master charging monitoring module respectively comprise a monitoring board and a wireless communication unit which are connected with each other;
the monitoring boards are connected with the charging piles to be regulated and controlled in a one-to-one corresponding mode; all the wireless communication units are sequentially connected in series to form a ring network structure; and a monitoring board in the main charging monitoring module is connected with a local monitoring master station through the WIFI communication module.
Optionally, the electric vehicle charging monitoring system further includes: the optical communication units are connected with the monitoring boards in a one-to-one correspondence mode, and all the optical communication units are sequentially connected in series through optical fibers to form a ring network structure.
Optionally, the optical communication unit is a plastic optical fiber optical module.
Optionally, the wireless communication unit is a 433MHz wireless communication unit.
Optionally, the electric vehicle charging monitoring system further includes: and the dial switches are connected with the monitoring boards in a one-to-one correspondence manner.
Optionally, the electric vehicle charging monitoring system further includes: the bus units are connected with the monitoring boards in a one-to-one correspondence manner; the monitoring board is connected with the charging pile to be regulated and controlled through the corresponding bus unit.
Optionally, the bus unit is a CAN bus or an RS-485 bus.
Optionally, the electric vehicle charging monitoring system further includes: an RS-485 bus module; and the monitoring board in the main charging monitoring module is also connected with the local monitoring master station through the RS-485 bus module.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: according to the electric vehicle charging monitoring system, the monitoring board in the slave charging monitoring module is connected with the monitoring board in the main charging monitoring module through the wireless communication unit, and the monitoring board in the main monitoring charging module is communicated with the local monitoring master station through the WIFI communication module, so that the problem of low communication reliability caused by the fact that optical fibers need to be broken and the influence of a magnetic environment is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electric vehicle charging monitoring system that performs communication wirelessly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hybrid networking electric vehicle charging monitoring system according to an embodiment of the present invention.
Description of the symbols:
1-main charging monitoring module, 2-slave charging monitoring module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The embodiment provides an electric vehicle charging monitoring system, as shown in fig. 1, the system includes: the system comprises a WIFI communication module, a plurality of slave charging monitoring modules 2 and a main charging monitoring module 1; the slave charging monitoring module 2 and the master charging monitoring module 1 both comprise a monitoring board and a wireless communication unit which are connected with each other; the monitoring boards are connected with the charging piles to be regulated and controlled in a one-to-one corresponding mode; all the wireless communication units are sequentially connected in series to form a ring network structure; and a monitoring board (main monitoring board) in the main charging monitoring module 1 is connected with a local monitoring master station through a WIFI communication module.
As an optional implementation manner, the electric vehicle charging monitoring system further includes: the optical communication units are connected with the monitoring boards in a one-to-one correspondence mode, and all the optical communication units are sequentially connected in series through optical fibers to form a ring network structure.
As an optional implementation, the optical communication unit is a plastic optical fiber optical module.
As an optional implementation, the wireless communication unit is a 433MHz wireless communication unit.
As an optional implementation manner, the electric vehicle charging monitoring system further includes: and the dial switches are connected with the monitoring boards in a one-to-one correspondence manner.
As an optional implementation manner, the electric vehicle charging monitoring system further includes: the bus units are connected with the monitoring boards in a one-to-one correspondence manner; the monitoring board is connected with the charging pile to be regulated and controlled through the corresponding bus unit.
As an optional implementation mode, the bus unit is a CAN bus or an RS-485 bus.
As an optional implementation manner, the electric vehicle charging monitoring system further includes: an RS-485 bus module; and the monitoring board in the main charging monitoring module 1 is also connected with the local monitoring master station through the RS-485 bus module.
The working process of the system is as follows:
after the electric automobile and the charging pile are connected and communicated through the CAN bus or the RS-485 bus, a monitoring board connected with the charging pile inquires charging data of the charging pile and the current state of the charging pile (standby, electrification and charging handshake, charging parameter configuration, charging stage, charging end and the like) in real time according to a relevant standard protocol, charging information (charging current, voltage and power) sent by the electric automobile is received, and at the moment, the monitoring board transfers the information to a main monitoring board in a serial relay mode of a wireless communication unit or an optical communication unit. The main monitoring board that fills electric pile passes through WIFI communication module and is connected with local control main website, the data that will gather and the address that sets up through the dial switch together forward local control main website, local control main website receives after the information, handle immediately and show the data and the power curve that each fills electric pile, detect the power consumption line that the platform becomes the side and surpass the safe power line of platform transformer equipment as local control main website, then send down the command of adjusting power for the control board immediately, the control board passes through power adjustment agreement and power regulation and control strategy, the instruction fills electric pile and reduces the power of charging step by step according to the plan, make the platform become the power and operate within safe effectual scope, avoid the platform to become the overpower outage. When the monitoring board is powered off, the monitoring board immediately and actively reports the power-off information of the monitoring board to the main monitoring board, and then the main monitoring board immediately reports the power-off event of the monitoring board to the local monitoring master station, so that background personnel can timely handle the power-off event.
The invention has the following technical effects:
1. the main monitoring board in the electric vehicle charging monitoring system is in wireless communication with the local monitoring master station or the auxiliary monitoring board, so that the problem of low communication reliability caused by the fact that a path needs to be broken and the influence of a magnetic environment is solved.
2. And route identification, wherein after the slave monitoring board is electrified, the slave monitoring board actively reports the address of the slave monitoring board to the master monitoring board for route positioning, so that a communication network positioning system is established, and operation and maintenance are facilitated. When a certain path or a monitoring board is out of communication, a fault point is accurately found through the route positioning which is established, so that operation and maintenance personnel can accurately reach a fault occurrence place, and the problem is quickly and accurately solved. The method has the advantages that the interruptible power management mode of bidirectional interaction of the local monitoring master station and the charging pile is adopted, the power utilization power of the charging pile in the transformer area is managed, the power utilization power of the charging pile in the power utilization peak section is reduced in a gradient manner by adopting the technical means, flexible power utilization power is provided for charging customers, and the charging service under the condition of unbalanced supply and demand of a power grid is improved.
3. Charging pile fault and power failure active reporting: when the charging pile breaks down or fails, the monitoring board on the charging pile reports the information to the local monitoring master station within 30 seconds, so as to obtain the on-site timely operation and maintenance and make charging service well.
4. The electric vehicle charging monitoring system integrates optical fiber communication and wireless communication, performs hybrid networking on the charging pile groups, and can acquire, transmit and analyze the data of each charging pile in real time by using two communication modes.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. An electric vehicle charging monitoring system, comprising: the system comprises a WIFI communication module, a plurality of slave charging monitoring modules and a main charging monitoring module; the slave charging monitoring module and the master charging monitoring module respectively comprise a monitoring board and a wireless communication unit which are connected with each other;
the monitoring boards are connected with the charging piles to be regulated and controlled in a one-to-one corresponding mode; all the wireless communication units are sequentially connected in series to form a ring network structure; and a monitoring board in the main charging monitoring module is connected with a local monitoring master station through a WIFI communication module.
2. The electric vehicle charging monitoring system of claim 1, further comprising: the optical communication units are connected with the monitoring boards in a one-to-one correspondence mode, and all the optical communication units are sequentially connected in series through optical fibers to form a ring network structure.
3. The charging monitoring system for the electric vehicle according to claim 2, wherein the optical communication unit is a plastic optical fiber optical module.
4. The charging monitoring system of claim 1, wherein the wireless communication unit is a 433MHz wireless communication unit.
5. The electric vehicle charging monitoring system of claim 1, further comprising: and the dial switches are connected with the monitoring boards in a one-to-one correspondence manner.
6. The electric vehicle charging monitoring system of claim 1, further comprising: the bus units are connected with the monitoring boards in a one-to-one correspondence manner; the monitoring board is connected with the charging pile to be regulated and controlled through the corresponding bus unit.
7. The charging monitoring system of claim 6, wherein the bus unit is a CAN bus or an RS-485 bus.
8. The electric vehicle charging monitoring system of claim 1, further comprising: an RS-485 bus module; and the monitoring board in the main charging monitoring module is also connected with the local monitoring master station through the RS-485 bus module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903349.6A CN113602129A (en) | 2021-08-06 | 2021-08-06 | Electric automobile charging monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903349.6A CN113602129A (en) | 2021-08-06 | 2021-08-06 | Electric automobile charging monitoring system |
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| Publication Number | Publication Date |
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| CN113602129A true CN113602129A (en) | 2021-11-05 |
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| CN202110903349.6A Pending CN113602129A (en) | 2021-08-06 | 2021-08-06 | Electric automobile charging monitoring system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121387U (en) * | 2011-07-21 | 2012-01-18 | 成都磁海电气工程有限公司 | Solar energy monitoring system of contact net electric isolating switch |
| CN103259687A (en) * | 2013-06-04 | 2013-08-21 | 沈阳空管技术开发有限公司 | Air traffic control data access platform in civil aviation |
| CN109849724A (en) * | 2019-02-14 | 2019-06-07 | 国电南瑞科技股份有限公司 | A kind of energy source router and charging management system orderly to charge towards electric car |
| CN209467012U (en) * | 2019-02-20 | 2019-10-08 | 广东电网有限责任公司 | A kind of electric car charging group system |
-
2021
- 2021-08-06 CN CN202110903349.6A patent/CN113602129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121387U (en) * | 2011-07-21 | 2012-01-18 | 成都磁海电气工程有限公司 | Solar energy monitoring system of contact net electric isolating switch |
| CN103259687A (en) * | 2013-06-04 | 2013-08-21 | 沈阳空管技术开发有限公司 | Air traffic control data access platform in civil aviation |
| CN109849724A (en) * | 2019-02-14 | 2019-06-07 | 国电南瑞科技股份有限公司 | A kind of energy source router and charging management system orderly to charge towards electric car |
| CN209467012U (en) * | 2019-02-20 | 2019-10-08 | 广东电网有限责任公司 | A kind of electric car charging group system |
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