CN110865257A - Fault diagnosis method based on charging pile group - Google Patents
Fault diagnosis method based on charging pile group Download PDFInfo
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- CN110865257A CN110865257A CN201911177477.6A CN201911177477A CN110865257A CN 110865257 A CN110865257 A CN 110865257A CN 201911177477 A CN201911177477 A CN 201911177477A CN 110865257 A CN110865257 A CN 110865257A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/12—Electric charging stations
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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
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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
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a fault diagnosis method based on a charging pile group, wherein charging piles in a charging station are connected to a switch through an Ethernet to form a local network, and are connected with a cloud server through the switch; information exchange is carried out among the charging piles through broadcasting, and the single charging pile carries out caching processing on the broadcasting data in the local network; the broadcast data comprises charging pile attribute data, charging fault data and order data; and judging the fault main body according to the cache processing result and feeding back the judgment result. According to the invention, the charging pile groups are mutually interconnected and judged, so that the judgment speed and accuracy of the fault main body during charging fault are improved, and the maintenance efficiency of the charging pile station is also improved.
Description
Technical Field
The invention relates to an electric vehicle charging pile, in particular to a fault diagnosis method based on a charging pile group.
Background
At present, the electric automobile charging stations under construction are all composed of a plurality of charging piles, and convenience is brought to users for charging. When the new energy vehicle owner carries out charging business, the situation that the charging pile can not be charged can be met, and the vehicle owner can not quickly determine the main body of the fault under the situation. For example, when the electronic lock locking overtime fault occurs, the vehicle owner needs to move the vehicle to another charging pile for charging, and if the electronic lock locking overtime fault occurs, the possibility that the two charging piles simultaneously have the same type of fault is low, so that the vehicle can be guessed to have the fault; but also can not get rid of and fill electric pile trouble, the car owner or move the car again this moment and charge, or directly go to the maintenance station and detect the vehicle, all bring very big inconvenience to the car owner. In addition, if charging pile has a fault, the fault can be discovered and maintained only when the fault is passively waited for the maintenance personnel to regularly maintain after sale of the charging pile, so that the use of users is influenced, and the utilization rate of the charging pile is reduced.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a fault diagnosis method based on a charging pile group.
A fault diagnosis method based on a charging pile group comprises the steps that charging piles in a charging station are connected to an exchanger through an Ethernet to form a local network, and the local network is connected with a cloud server through the exchanger; information exchange is carried out among the charging piles through broadcasting, and the single charging pile carries out caching processing on the broadcasting data in the local network; the broadcast data comprises charging pile attribute data, charging fault data and order data; and judging the fault main body according to the cache processing result and feeding back the judgment result.
Based on the above, when the first charging pile charges the vehicle for the first time, if a fault occurs, the first charging pile compares the first charging fault data and the first order data with the local cache data; if the local cache data has cache order data matched with the first order data, comparing whether the first charging fault data is the same as the cache charging fault data; if the charging data of the first charging pile is the same as the charging data of the first charging pile, and the fault data which is the same as the first charging fault data does not exist in the last charging data of the first charging pile, determining that the fault main body is a vehicle; if the first charging pile attribute data are different or the cache order data matched with the first order data do not exist, the first charging pile broadcasts first broadcast data including the first charging pile attribute data, the first charging fault data and the first order data in the local network.
Based on the above, when the first charging pile charges the vehicle for the first time, if no fault occurs, the first charging pile compares the first order data with the local cache data; if the local cache data contains cache order data matched with the first order data and the local cache data contains cache charging fault data, the first charging pile broadcasts first broadcast data including first charging pile attribute data, the first charging fault data and the first order data in the local network, wherein the first charging fault data is null.
Based on the above, after the second charging pile receives the first broadcast data, the first broadcast data is compared with the local cache data of the second charging pile, if the second cache data exists, the second cache data includes second charging pile attribute data matched with the second charging pile attribute, second order data matched with the first order data in the first broadcast data and second charging fault data unmatched with the first charging fault data in the first broadcast data, the second charging pile determines that the second charging pile has a fault, and reports the second cache data to the server.
Based on the above, after the fault main body is determined to be the vehicle, the first charging pile sends the first broadcast data including the first charging pile attribute data, the first charging fault data and the first order data, and the local cache data matched with the first charging fault data and the first order data in the first broadcast data to the server together.
Based on the above, when the first charging pile charges the vehicle for the first time, if the first charging pile fails, the first charging pile further broadcasts first broadcast data including first charging pile attribute data, first charging failure data and first order data in the local network.
Based on the above, the charging pile attribute data includes a charging pile number, a charging pile type, a charging serial number and a fault serial number; the charging fault data comprises charging pile fault type information; the order data includes vehicle VIN code, order number, user account number, charging current, charging voltage, and vehicle rated battery capacity.
Based on the above, the cloud server sends the vehicle fault information to the user mobile terminal.
The method has the outstanding substantive characteristics and remarkable progress, and particularly, the method improves the judging speed and accuracy of the fault main body in the charging fault and improves the maintenance efficiency of the charging pile site by mutually judging the charging pile groups.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of the present invention.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in a fault diagnosis method based on a charging pile group, charging piles in a charging station are connected to an exchange through an ethernet to form a local network, and are connected to a cloud server through the exchange; information exchange is carried out among the charging piles through broadcasting, and the single charging pile carries out caching processing on the broadcasting data in the local network; the broadcast data comprises charging pile attribute data, charging fault data and order data; and judging the fault main body according to the cache processing result and feeding back the judgment result. In this embodiment, the charging pile attribute data includes a charging pile number, a charging pile type, a charging serial number, and a fault serial number; the charging fault data comprises charging pile fault type information; the order data includes vehicle VIN code, order number, user account number, charging current, charging voltage, and vehicle rated battery capacity.
Specifically, when the first charging pile charges the vehicle for the first time, if a fault occurs, the first charging pile compares the first charging fault data and the first order data with the local cache data; if the local cache data has cache order data matched with the first order data, comparing whether the first charging fault data is the same as the cache charging fault data; if the charging data of the first charging pile is the same as the charging data of the first charging pile, and the fault data which is the same as the first charging fault data does not exist in the last charging data of the first charging pile, determining that the fault main body is a vehicle; if the first charging pile attribute data are different or the cache order data matched with the first order data do not exist, the first charging pile broadcasts first broadcast data including the first charging pile attribute data, the first charging fault data and the first order data in the local network. Examples are as follows: when the charging pile A charges the vehicle Z for the first time and a charging fault occurs, the charging pile A compares the fault type, the user account number and the vehicle VIN code with the cache data; if the user or vehicle information exists in the cache data, comparing whether the two fault reasons are consistent, for example, the fault of the vehicle Z on the charging pile B is an insulation detection fault, the fault on the charging pile A is also an insulation detection fault, and the insulation detection fault does not occur when the charging pile A is charged last time, so that the fault can be judged to be caused by the vehicle. In practice, in order to further improve the accuracy of judgment, the charging fault main body can be judged by combining the charging data of the charging pile B last time. In this embodiment, when the first charging pile charges the vehicle for the first time, if the first charging pile fails, the first charging pile further broadcasts first broadcast data including first charging pile attribute data, first charging failure data, and first order data in a local network, and other charging piles cache locally after receiving the first broadcast data.
In practice, a user connects to the cloud server through the mobile terminal to receive the sending information of the server. After the fault main body is judged to be a vehicle, the first charging pile sends first broadcast data including first charging pile attribute data, first charging fault data and first order data, and local cache data matched with the first charging fault data and the first order data in the first broadcast data to the server together. The cloud server sends the vehicle fault information to the user mobile terminal, so that a user can conveniently know the vehicle fault information in time.
When the first charging pile charges the vehicle for the first time, if the first charging pile does not break down, the first charging pile compares the first order data with local cache data; if the local cache data contains cache order data matched with the first order data and the local cache data contains cache charging fault data, the first charging pile broadcasts first broadcast data including first charging pile attribute data, the first charging fault data and the first order data in the local network, wherein the first charging fault data is null. In practice, the cache charging fault data with the charging fault data found in the local cache data by the first charging pile is broadcast data broadcasted after the second charging pile breaks down during charging, that is, the first charging pile caches the broadcast data received by the second charging pile. After receiving the first broadcast data, the second charging pile compares the first broadcast data with local cache data of the second charging pile, if second cache data exist (the data are data broadcasted by other charging piles after the second charging pile fails to charge, and meanwhile, the second charging pile also caches), the second cache data comprise second charging pile attribute data matched with the second charging pile attribute, second order data matched with the first order data in the first broadcast data, and second charging failure data unmatched with the first charging failure data in the first broadcast data, the second charging pile judges that the second charging pile fails, and reports the second cache data to the server. Examples are as follows: after the vehicle Z has the fault that the electronic lock is locked overtime on the charging pile B, the charging pile B broadcasts the fault information in a local area network (local area network). After the charging pile A receives the data, the data are cached. Vehicle Z fills electric pile B and can't accomplish charging, removes the vehicle to filling electric pile A, and the restart charges. Charging pile A is successfully connected with vehicle Z, and charging is successful, namely, no charging fault occurs. Charging pile A confirms that vehicle Z has fault information on charging pile B by comparing local cache data, and then broadcasts the charging information of charging pile A this time through the local area network. After receiving the normal charging data broadcasted by the charging pile A, the charging pile B compares the normal charging data with local cache data, the analysis result is that the vehicle Z can normally act on the charging pile A, the charging pile B breaks down, the fault that 'electronic lock locking is overtime' exists in the charging pile B can be judged, and the charging pile B reports the fault information to the server. In practice, after the server receives the fault reporting information, the fault information is pushed to operation and maintenance personnel, and the operation and maintenance personnel can maintain and repair the charging pile B in time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A fault diagnosis method based on a charging pile group is characterized in that:
connecting charging piles in the charging stations to an exchanger through Ethernet to form a local network, and connecting the charging piles with a cloud server through the exchanger;
information exchange is carried out among the charging piles through broadcasting, and the single charging pile carries out caching processing on the broadcasting data in the local network;
the broadcast data comprises charging pile attribute data, charging fault data and order data;
and judging the fault main body according to the cache processing result and feeding back the judgment result.
2. The method of claim 1, wherein the method comprises: when the first charging pile charges the vehicle for the first time, if a fault occurs, the first charging pile compares the first charging fault data and the first order data with local cache data;
if the local cache data has cache order data matched with the first order data, comparing whether the first charging fault data is the same as the cache charging fault data; if the charging data of the first charging pile is the same as the charging data of the first charging pile, and the fault data which is the same as the first charging fault data does not exist in the last charging data of the first charging pile, determining that the fault main body is a vehicle; if the first charging pile attribute data are different or the cache order data matched with the first order data do not exist, the first charging pile broadcasts first broadcast data including the first charging pile attribute data, the first charging fault data and the first order data in the local network.
3. The method of claim 1, wherein the method comprises: when the first charging pile charges the vehicle for the first time, if the first charging pile does not break down, the first charging pile compares the first order data with local cache data;
if the local cache data contains cache order data matched with the first order data and the local cache data contains cache charging fault data, the first charging pile broadcasts first broadcast data including first charging pile attribute data, the first charging fault data and the first order data in the local network, wherein the first charging fault data is null.
4. The method of claim 3, wherein the method comprises: and after receiving the first broadcast data, the second charging pile compares the first broadcast data with local cache data of the second charging pile, and if the second cache data exists, the second cache data comprises second charging pile attribute data matched with the second charging pile attribute, second order data matched with the first order data in the first broadcast data and second charging fault data unmatched with the first charging fault data in the first broadcast data, the second charging pile judges that the second charging pile has a fault and reports the second cache data to the server.
5. The method of claim 2, wherein the method comprises: after the fault main body is judged to be a vehicle, the first charging pile sends first broadcast data including first charging pile attribute data, first charging fault data and first order data, and local cache data matched with the first charging fault data and the first order data in the first broadcast data to the server together.
6. The method of claim 2, wherein the method comprises: when the first charging pile charges the vehicle for the first time, if the first charging pile breaks down, the first charging pile broadcasts first broadcast data including first charging pile attribute data, first charging fault data and first order data in a local network.
7. The method of claim 1, wherein the method comprises: the charging pile attribute data comprises a charging pile number, a charging pile type, a charging serial number and a fault serial number; the charging fault data comprises charging pile fault type information; the order data includes vehicle VIN code, order number, user account number, charging current, charging voltage, and vehicle rated battery capacity.
8. The method of claim 1, wherein the method comprises: and the cloud server sends the vehicle fault information to the user mobile terminal.
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| DE102021004761A1 (en) | 2021-09-21 | 2023-03-23 | Mercedes-Benz Group AG | Procedure for identifying defective charging stations |
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| DE102021004761A1 (en) | 2021-09-21 | 2023-03-23 | Mercedes-Benz Group AG | Procedure for identifying defective charging stations |
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| CN110865257B (en) | 2021-11-30 |
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