CN113561830A - Emergency stop switch protection method and device for charging pile and charging pile - Google Patents
Emergency stop switch protection method and device for charging pile and charging pile Download PDFInfo
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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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/20—Arrangements in telecontrol or telemetry systems using a distributed architecture
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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
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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)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computing Systems (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an emergency stop switch protection method and device for a charging pile and the charging pile. The emergency stop switch comprises an emergency stop button and a protective cover provided with an intelligent lock, and the emergency stop switch protection method for the charging pile comprises the following steps: acquiring charging detection data of a charging pile; performing fault diagnosis on the charging detection data at the local end, or uploading the charging detection data to a cloud server so that the cloud server performs fault diagnosis on the charging detection data; and controlling the intelligent lock to be opened or closed according to the fault diagnosis result. According to the intelligent lock, the charging detection data of the charging pile are acquired, the local end of the charging pile carries out fault diagnosis on the charging detection data or uploads the charging data to the cloud server, the cloud server carries out fault diagnosis, the intelligent lock is further controlled to be opened or closed, locking protection of the emergency stop switch is achieved through real-time monitoring on the state of the charging pile, the frequency of emergency stop buttons used by a user is reduced, and the maintenance cost and the service life loss of the charging pile are reduced.
Description
Technical Field
The invention relates to the technical field of charging control, in particular to a method and a device for protecting an emergency stop switch of a charging pile and the charging pile.
Background
Along with the exponential growth of electric automobile owners and the expansion of charging demands, the current industry of charging piles is greatly developed, and charging piles are also increasingly charged to the mass life. When using to fill electric pile and charging for electric automobile, except that fill electric pile some trouble emergency of taking place when charging, need press the emergency stop button and stop immediately and fill electric pile work. Meanwhile, after the emergency stop button is pressed down, the order can be automatically finished, so that a plurality of charging users are convenient to use, and the emergency stop button can be pressed down to operate the charging order when the charging is finished.
However, the service life of the charging pile contactor is limited, and the emergency stop times must be limited, and in the existing emergency stop button protection scheme, a transparent plastic cover is usually arranged on the periphery of the emergency stop button, and the following two structures are usually adopted: one is that only one transparent plastic cover is covered on the emergency stop button to protect the emergency stop button from water, dust and the like, but the emergency stop button cannot be limited to be pressed by a user to finish a charging order; the other is that the locked transparent plastic cover is covered on the emergency stop button, which has the problem that the transparent plastic cover cannot be opened manually to press the emergency stop button, and a breaking tool is needed to break the protective cover to press the emergency stop button in case of emergency. The protection casing just need be changed after once using, increases the maintenance cost of filling electric pile.
Disclosure of Invention
The invention provides an emergency stop switch protection method and device for a charging pile and the charging pile.
In a first aspect, an embodiment of the present invention provides a method for protecting an emergency stop switch for a charging pile, where the emergency stop switch includes an emergency stop button and a protective cover provided with an intelligent lock, and the method includes the following steps:
acquiring charging detection data of the charging pile;
performing fault diagnosis on the charging detection data at a local end, or uploading the charging detection data to a cloud server so that the cloud server performs fault diagnosis on the charging detection data;
and controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
Optionally, before acquiring the charging detection data of the charging pile, the method further includes the following steps:
acquiring a power-on starting state of the charging pile;
and controlling the intelligent lock to be opened or closed according to the power-on starting state.
Optionally, before acquiring the charging detection data of the charging pile, the method further includes the following steps:
acquiring the connection state of a cloud server of the charging pile;
and controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
Optionally, performing fault diagnosis on the charging detection data at the local end, includes the following steps:
judging whether the charging detection data exceeds a preset charging operation parameter range or not;
determining first fault diagnosis information according to a judgment result, so that the local end outputs a first driving signal according to the first fault diagnosis information, and the intelligent lock is controlled to be opened;
or determining second fault diagnosis information according to the judgment result, so that the local end outputs a second driving signal according to the second fault diagnosis information to control the intelligent lock to be closed.
Optionally, the cloud server performs fault diagnosis on the charging detection data, including the following steps:
establishing an emergency stop demand prediction model based on the corresponding relation between the charging fault and the emergency stop triggering event;
determining a real-time fault type according to the charging detection data;
and analyzing the real-time fault type according to the sudden stop demand prediction model to determine fault diagnosis information.
Optionally, the establishing of the emergency stop demand prediction model based on the corresponding relationship between the charging fault and the emergency stop triggering event includes the following steps:
establishing an initial prediction model;
acquiring historical charging faults of a charging pile and historical emergency stop trigger events corresponding to the historical charging faults, wherein the historical emergency stop trigger events comprise pressing of an emergency stop switch and non-pressing of the emergency stop switch;
training the initial prediction model based on the historical charging faults and the historical emergency stop triggering events;
and determining the emergency stop demand prediction model according to the training result.
Optionally, the analyzing the real-time fault type according to the sudden stop demand prediction model to determine fault diagnosis information includes the following steps:
analyzing the real-time fault type according to the sudden stop demand prediction model, and determining a real-time sudden stop triggering probability;
judging whether the real-time sudden stop triggering probability is higher than a preset probability value;
sending third fault diagnosis information to the local end according to the judgment result so that the local end outputs a first driving signal according to the third fault diagnosis information to control the intelligent lock to be opened;
or sending fourth fault diagnosis information to the local end according to the judgment result, so that the local end outputs a second driving signal according to the fourth fault diagnosis information to control the intelligent lock to be closed.
Optionally, the method further comprises the following steps:
and after the charging pile is powered off, controlling the intelligent lock to be opened.
In a second aspect, an embodiment of the present invention further provides an emergency stop switch protection device for a charging pile, including: the emergency stop control device comprises a protective cover, an emergency stop button, an intelligent lock and a control unit, wherein the emergency stop button is arranged in the protective cover, and the intelligent lock is used for controlling the protective cover to be opened or closed; the control unit is used for:
acquiring charging detection data of the charging pile;
performing fault diagnosis on the charging detection data, or uploading the charging detection data to a cloud server, so that the cloud server performs fault diagnosis on the charging detection data;
and controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
In a third aspect, an embodiment of the present invention further provides a charging pile, including the emergency stop switch protection device for a charging pile according to the second aspect.
The invention provides a protection method of an emergency stop switch for a charging pile, wherein the emergency stop switch comprises an emergency stop button and a protective cover provided with an intelligent lock; performing fault diagnosis on the charging detection data at the local end, or uploading the charging detection data to a cloud server so that the cloud server performs fault diagnosis on the charging detection data; and controlling the intelligent lock to be opened or closed according to the fault diagnosis result. Performing fault diagnosis on the acquired charging detection data of the charging pile through a local end of the charging pile, and judging the charging state of the charging pile so as to control the intelligent lock to be opened or closed; or the acquired charging detection data of the charging pile is uploaded to a cloud server, the charging state and the fault state of the charging pile are comprehensively analyzed by the cloud server according to the data detection information of the charging pile, a fault diagnosis result is obtained, the intelligent lock is controlled to be opened or closed, the local end or the cloud server is used for obtaining the fault diagnosis result, the use frequency of a user on an emergency stop button is controlled, and the maintenance cost and the service life loss of the charging pile are effectively reduced.
Drawings
Fig. 1 is a schematic flowchart of a method for protecting an emergency stop switch of a charging pile according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of another emergency stop switch protection method for a charging pile according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a emergency stop switch protection method for a charging pile according to a second embodiment of the present invention;
fig. 4 is a schematic flowchart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention;
fig. 5 is a schematic flowchart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention;
fig. 6 is a schematic flowchart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an emergency stop switch protection device for a charging pile according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of a charging pile according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic flow chart of a protection method for an emergency stop switch of a charging pile according to an embodiment of the present invention, where the emergency stop switch includes an emergency stop button and a protection cover provided with an intelligent lock, the protection cover is covered around the emergency stop button, a local controller of the charging pile can be used to control opening or closing of the intelligent lock of the protection cover, and when the intelligent lock is closed, the protection cover is closed, and a cover opening operation cannot be performed; when the intelligent lock is unlocked, the protective cover can perform the uncovering operation.
As shown in fig. 1, the method comprises the steps of:
and S101, acquiring charging detection data of the charging pile.
The charging detection data may include charging current detection data, charging voltage detection data, charging fault warning data, and the like.
And S102, carrying out fault diagnosis on the charging detection data at the local terminal.
The control panel of charging pile obtains charging detection data of charging pile to carry out simple fault diagnosis, and judges the current operating state of charging pile and whether charging fault occurs.
In this step, a voltage or current detection device may be employed to collect charging detection data.
And S103, controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
Wherein, the intelligent lock can be for utilizing electromagnetic relay, electronic switch or other small-size automatically controlled switch driven locking device, under drive current or driving voltage that the control panel by filling electric pile provided, can realize opening or closing of intelligent lock, and its specific working process is as follows: when the local end carries out fault diagnosis on the charging detection data, the obtained fault diagnosis result determines that the charging fault exists in the charging pile, the control panel of the charging pile controls the intelligent lock arranged on the protective cover to be opened, a user can press the emergency stop button conveniently, and the charging pile is stopped to continue charging. When the local terminal carries out fault diagnosis again on the charging detection data of the charging pile with faults, the obtained diagnosis result is that the charging pile has no faults, the intelligent lock arranged on the control panel control protective cover of the charging pile is closed, the user is prevented from using the emergency stop button to carry out shutdown operation under the normal state of the charging pile, and the use frequency of the emergency stop button is reduced.
Fig. 2 is a schematic flow chart of another emergency stop switch protection method for a charging pile according to an embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
s201, acquiring the power-on starting state of the charging pile.
The charging method comprises the steps that the electrifying condition of a charging pile is determined by obtaining the electrifying starting state of the charging pile, and if the charging pile is determined to be connected with a power supply, the charging pile is in the electrifying state; if it is determined that the charging pile is not connected with the power supply, the charging pile is in a power-off state.
And S202, controlling the intelligent lock to be opened or closed according to the power-on starting state.
According to the charging pile power-on starting state, if the current charging pile is determined to be in a power-off state, the intelligent lock is in an open state, and the protection cover can be opened; if confirm that current charging pile has been in the on-state, then fill the control panel control intelligence lock of electric pile and close, lock the safety cover immediately, avoid the scram button to be used at will by the user.
S203, acquiring charging detection data of the charging pile.
And S204, judging whether the charging detection data exceeds a preset charging operation parameter range.
The local terminal judges the charging detection data according to the charging detection data acquired by the local terminal, and judges whether the charging detection data exceeds a preset charging operation parameter range, typically, the preset charging operation parameter range includes a charging voltage range limited by a charging voltage upper threshold and a charging voltage lower threshold, and a charging current range limited by a charging current upper threshold and a charging current lower threshold.
If the charging detection data exceeds the preset charging operation parameter range, determining that a charging fault exists in the charging pile, and executing the step S205; and if the charging detection data is within the preset charging operation parameter range, determining that the charging pile is in a normal charging state, and executing the step S206.
And S205, determining first fault diagnosis information according to the judgment result, so that the local control board outputs a first driving signal according to the first fault diagnosis information, and controlling the intelligent lock to be opened.
In this step, if the charging detection data at the current sampling time exceeds the predetermined charging operation parameter range, the local control board determines that a charging fault exists in the current charging pile, and generates first fault diagnosis information, where the first fault diagnosis information may be a fault code (including a current fault type indicator). The control panel outputs a first driving signal according to the first fault diagnosis information, for example, the first driving information may be a high level signal, the first driving signal is transmitted to a control end of the intelligent lock to control the intelligent lock to be opened, at this time, a user may open the protection cover, and press the emergency stop button to stop charging the charging pile.
And S206, determining second fault diagnosis information according to the judgment result, so that the local control board outputs a second driving signal according to the second fault diagnosis information, and controlling the intelligent lock to be closed.
In this step, if the charging detection data at the current sampling moment is within the preset charging operation parameter range, the local control board determines that the current charging pile is in a normal charging state, and generates second fault diagnosis information, where the second fault diagnosis information may be a charging normal operation code. The local control board outputs a second driving signal according to the second fault diagnosis information, for example, the second driving signal may be a low level signal, the second driving signal is transmitted to the control end of the intelligent lock to control the intelligent lock to be closed, the protection cover is locked at this time, the user cannot open the protection cover, and the emergency stop button is prevented from being used by the user at will.
And S207, after the charging pile is powered off, controlling the intelligent lock to be opened.
Wherein, after filling the electric pile outage, fill electric pile stop work, emergency stop button does not carry out work this moment, and the intelligence lock can be opened, can not lead to the fact emergency stop button's life-span loss. Wait next time to fill electric pile and start and be in the on-state, the intelligence lock can close once more, locks the safety cover.
According to the method provided by the embodiment of the invention, the intelligent lock is controlled to be opened or closed by judging the power-on starting state of the charging pile, the charging detection data of the charging is compared with the preset charging operation parameter range, the charging detection data is analyzed and judged at the local end, and the intelligent station is controlled to be opened or closed according to the judgment result, so that the random use of an emergency stop button by a user is reduced, and the service life loss of the charging pile is reduced.
Example two
Fig. 3 is a schematic flow chart of a method for protecting an emergency stop switch of a charging pile according to a second embodiment of the present invention, where as shown in fig. 3, the emergency stop switch includes an emergency stop button and a protective cover provided with an intelligent lock, the protective cover is covered around the emergency stop button, a local control board of the charging pile and a cloud controller can be used to control the intelligent lock of the protective cover to open or close together, and when the intelligent lock is locked, the protective cover is closed, and a cover opening operation cannot be performed; when the intelligent lock is unlocked, the protective cover can perform the uncovering operation.
As shown in fig. 3, the method comprises the steps of:
s301, charging detection data of the charging pile are obtained.
In this step, a voltage or current detection device may be employed to collect charging detection data.
And S302, uploading the charging detection data to a cloud server so that the cloud server can perform fault diagnosis on the charging detection data.
In this step, a local controller (for example, a control board of the charging pile) may be used to collect all the charging detection data, and the charging detection data is uploaded to the cloud server through a wireless communication technology.
The cloud server is a server with large data storage space, rapid data processing capacity and high safety. The charging detection data of the charging pile are uploaded to the cloud server, the cloud server can collect the charging detection data reported by the charging pile in real time, and corresponding fault screening, calculation, analysis and comparison are carried out, so that a fault diagnosis result of the current state of the charging pile is obtained.
And S303, controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
When the fault diagnosis of the charging detection data of the charging pile is carried out by adopting the cloud server, the charging pile is determined to have a charging fault according to the obtained fault diagnosis result, the charging fault instruction of the cloud server is received by the control panel of the charging pile, the intelligent lock arranged on the protective cover is controlled to be opened, a user can press the emergency stop button conveniently, and the charging pile is stopped to continue charging. The fault diagnosis of the charging detection data of the charging pile is carried out through the cloud server, the obtained fault diagnosis result determines that the charging pile has no charging fault, the control panel of the charging pile receives a charging fault-free instruction of the cloud server, the intelligent lock arranged on the protection cover is controlled to be closed and locked, and the user is prevented from frequently using the emergency stop button.
The embodiment of the invention provides an emergency stop switch protection method for a charging pile, which is used for acquiring charging detection data of the charging pile in real time, performing fault diagnosis on the charging detection data by using a local end or a cloud server, judging the charging state of the current charging pile, and controlling an intelligent lock to be opened if a fault diagnosis result obtained through the fault diagnosis indicates that the charging pile has a charging fault, so that a user can press an emergency stop button in time to stop charging the charging pile; if the fault diagnosis result obtained through fault diagnosis indicates that the charging pile has no charging fault, the intelligent lock is controlled to be locked, so that the frequency of using the emergency stop button by a user is limited, and the service life loss of the charging pile is reduced.
Fig. 4 is a schematic flow chart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention, as shown in fig. 4, the method includes the following steps:
s401, acquiring the connection state of the cloud server of the charging pile.
The charging pile is connected with the cloud server, and when the charging pile is in a power-on state, the charging pile can poll and request to be connected with the cloud server, so that the charging state of the charging pile can be judged by the follow-up cloud server conveniently.
S402, controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
According to the acquired cloud server connection state of the charging pile, if the charging pile is determined not to be in type connection with the cloud server, the intelligent lock is in an open state, and the protective cover can be opened; if confirm that charging pile has been connected with cloud ware at present, then the control panel of charging pile controls intelligent lock and closes, locks the safety cover immediately, prevents that the user from using the scram button at will.
And S403, acquiring charging detection data of the charging pile.
And S404, uploading the charging detection data to a cloud server.
S405, establishing an emergency stop demand prediction model based on the corresponding relation between the charging faults and the emergency stop triggering events by adopting a cloud server.
The cloud server can collect hundreds of thousands of charging fault data and processing result data for more accurate fault diagnosis of the charging pile, and an emergency stop demand prediction model is established according to charging faults and emergency stop triggering events started by an emergency stop button, so that the platform can perform accurate and rapid fault diagnosis on the acquired charging detection data.
S406, the cloud server determines the real-time fault type according to the charging detection data.
The cloud server can perform comparative analysis according to data information stored in the cloud server, determine the real-time fault type of the charging detection data of the charging pile, and improve the accuracy of judgment.
And S407, the cloud server analyzes the real-time fault type according to the emergency stop demand prediction model, determines fault diagnosis information, and sends the fault diagnosis information to the local control panel.
The real-time fault type is analyzed according to the emergency stop demand prediction model established by the cloud server, whether the current real-time fault type can trigger an emergency stop button or not is judged, and fault diagnosis information is determined. Through scram demand prediction model, to filling the collection application of electric pile operation data, effectively improve cloud server's failure diagnosis efficiency and precision.
And S408, controlling the intelligent lock to be opened or closed by adopting a local control board according to the fault diagnosis result.
And S409, after the charging pile is powered off, the local control board controls the intelligent lock to be opened.
According to the method provided by the embodiment of the invention, the intelligent lock is controlled to be opened or closed by judging the connection state of the charging pile and the cloud server, the emergency stop demand prediction model is established based on the corresponding relation between the charging fault and the emergency stop triggering event, the fault diagnosis information is accurately determined by using the emergency stop demand prediction model, the intelligent station is controlled to be opened or closed according to the judgment result, the random use of an emergency stop button by a user is reduced, and the service life loss of the charging pile is reduced.
Fig. 5 is a schematic flow chart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention, as shown in fig. 5, the method includes the following steps:
s501, acquiring the connection state of the cloud server of the charging pile.
And S502, controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
And S503, acquiring charging detection data of the charging pile.
And S504, uploading the charging detection data to a cloud server.
And S505, storing the initial prediction model by adopting a cloud server.
In order to ensure more accurate determination of fault diagnosis information, the cloud server establishes an initial prediction model, and attributes without any role can be used as input of training and as identifiers of observation data.
Alternatively, the initial predictive model may comprise any of a decision tree predictive model or a neural network predictive model.
S506, acquiring historical charging faults of the charging pile and historical emergency stop trigger events corresponding to the historical charging faults by using a cloud server, wherein the historical emergency stop trigger events comprise pressing of an emergency stop switch and non-pressing of the emergency stop switch.
The cloud server firstly acquires historical charging faults of the charging pile under the test environment and historical emergency stop trigger events corresponding to the historical charging faults, and subsequent judgment of the charging state of the charging pile is guaranteed. And the historical emergency stop triggering events comprise pressing of an emergency stop switch and non-pressing of the emergency stop switch, so that comprehensive collection of charging faults of the charging pile by the cloud server is guaranteed, and the accuracy of a follow-up emergency stop demand prediction model in judging the charging faults is improved.
S507, the cloud server trains the initial prediction model based on the historical charging faults and the historical emergency stop trigger events.
The initial prediction model is trained through algorithms such as a decision tree and a neural network based on historical charging faults and historical emergency stop triggering events, emergency stop demand weight values of most fault types are predicted, and then training results are obtained.
And S508, the cloud server determines an emergency stop demand prediction model according to the training result.
The method comprises the steps of determining the corresponding relation between a charging fault and an emergency stop trigger event according to a training result obtained by training an initial prediction model, and obtaining an emergency stop demand prediction model which is used for a cloud server to carry out fault diagnosis on obtained charging detection information and improve the starting accuracy of an emergency stop button.
And S509, the cloud server determines the real-time fault type according to the charging detection data uploaded by the local control board.
And S510, analyzing the real-time fault type by the cloud server according to the emergency stop demand prediction model, determining fault diagnosis information, and sending the fault diagnosis information to the local control panel.
And S511, the local control board controls the intelligent lock to be opened or closed according to the fault diagnosis result.
S512, after the charging pile is powered off, the local control board controls the intelligent lock to be opened.
According to the method provided by the embodiment of the invention, the intelligent lock is controlled to be opened or closed by judging the connection state of the charging pile and the cloud server, the initial prediction model is trained on the basis of the historical charging faults and the historical emergency stop triggering events to establish the emergency stop demand prediction model, the emergency stop demand prediction model is used for accurately determining the fault diagnosis information, the intelligent station is controlled to be opened or closed according to the judgment result, the random use of an emergency stop button by a user is reduced, and the service life loss of the charging pile is reduced.
Fig. 6 is a schematic flow chart of another emergency stop switch protection method for a charging pile according to a second embodiment of the present invention, as shown in fig. 6, the method includes the following steps:
s601, acquiring the connection state of the cloud server of the charging pile.
And S602, controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
And S603, acquiring charging detection data of the charging pile.
And S604, the local control board uploads the charging detection data to a cloud server.
S605, the cloud server establishes an emergency stop demand prediction model based on the corresponding relation between the charging fault and the emergency stop trigger event.
And S606, the cloud server determines the real-time fault type according to the charging detection data.
And S607, the cloud server analyzes the real-time fault type according to the sudden stop demand prediction model, and determines the real-time sudden stop triggering probability.
The cloud server firstly stores the received charging detection information, judges the real-time fault type of the charging monitoring information, and determines the real-time emergency stop triggering probability of the real-time fault type by the emergency stop demand prediction model, namely, the current fault information and the historical fault information are put together to be comprehensively analyzed and calculated.
S608, the cloud server judges whether the real-time sudden stop triggering probability is higher than a preset probability value.
The preset probability value can be correspondingly set according to actual requirements, when the real-time emergency stop triggering probability is higher than the preset probability value, the fact that an emergency stop button is needed to be used for judging the charging fault of the current charging pile is judged, and step S609 is executed; and when the real-time sudden stop triggering probability is not higher than the preset probability value, judging that the current fault state of the charging pile does not need to use a sudden stop button, and executing the step S609.
And S609, the cloud server issues third fault diagnosis information to the local control board according to the judgment result, so that the local control board outputs a first driving signal according to the third fault diagnosis information, and the intelligent lock is controlled to be opened.
When the real-time emergency stop triggering probability is higher than the preset probability value, the cloud server judges that the emergency stop button is needed to be used for the charging fault of the current charging pile, the cloud server sends third fault diagnosis information to the local terminal, wherein the third fault diagnosis information can be an emergency stop triggering fault code, the local terminal control board outputs a first driving signal according to the third fault diagnosis information, for example, the first driving signal can be a high-level signal, the first driving signal is transmitted to the intelligent lock, the intelligent lock is controlled to be opened, a user can open the protection station, the emergency stop button is pressed in time, and the charging pile stops charging.
And S610, the cloud server issues fourth fault diagnosis information to the local control board according to the judgment result, so that the local end outputs a second driving signal according to the fourth fault diagnosis information, and the intelligent lock is controlled to be closed.
When the real-time emergency stop triggering probability is not higher than the preset probability value, the cloud server judges that the emergency stop button is not needed to be used for charging faults of the current charging pile, the cloud server issues fourth fault diagnosis information to the local control board, wherein the fourth fault diagnosis information can be a non-emergency stop triggering fault code, the local control board generates and outputs a second driving signal according to the fourth fault diagnosis, for example, the second driving signal can be a low-level signal, the second driving signal is transmitted to the intelligent lock, the intelligent lock is controlled to be closed, the protection cover is locked, the protection cover cannot be opened by a user, the user is prevented from randomly pressing the emergency stop button, and the service life loss of the emergency stop button is reduced.
S611, after the charging pile is powered off, the local control board controls the intelligent lock to be opened.
According to the method provided by the embodiment of the invention, the intelligent lock is controlled to be opened or closed by judging the connection state of the charging pile and the cloud server, the real-time fault type is analyzed by using the emergency stop demand prediction model, the real-time trigger probability is determined, the fault diagnosis information is determined by comparing the real-time trigger probability with the preset probability value, the intelligent station is further controlled to be opened or closed according to the judgment result, the random use of an emergency stop button by a user is reduced, and the service life loss of the charging pile is reduced.
EXAMPLE III
Fig. 7 is a schematic structural diagram of an emergency stop switch protection device for a charging pile according to a third embodiment of the present invention, and as shown in fig. 7, an emergency stop switch protection device 700 for a charging pile includes: the emergency stop control system comprises a protective cover 701, an emergency stop button 702, an intelligent lock 703 and a control unit 704, wherein the emergency stop button 702 is arranged in the protective cover 701, and the intelligent lock 703 is used for controlling the protective cover 701 to be opened or closed; the control unit 704 and the control end of the intelligent lock 703, the control unit is configured to:
acquiring charging detection data of a charging pile;
performing fault diagnosis on the charging detection data, or uploading the charging detection data to a cloud server so that the cloud server performs fault diagnosis on the charging detection data;
and controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
Before acquiring the charging detection data of the charging pile, the control unit is further configured to:
acquiring a power-on starting state of a charging pile;
and controlling the intelligent lock to be opened or closed according to the power-on starting state.
Before acquiring the charging detection data of the charging pile, the control unit is further configured to:
acquiring the connection state of a cloud server of a charging pile;
and controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
And performing fault diagnosis on the charging detection data at the local end, wherein the control unit is further used for:
judging whether the charging detection data exceeds a preset charging operation parameter range or not;
determining first fault diagnosis information according to the judgment result, so that the local end outputs a first driving signal according to the first fault diagnosis information, and the intelligent lock is controlled to be opened;
or determining second fault diagnosis information according to the judgment result, so that the local end outputs a second driving signal according to the second fault diagnosis information to control the intelligent lock to be closed.
The cloud server carries out fault diagnosis to the charging detection data, and the control unit is further used for:
establishing an emergency stop demand prediction model based on the corresponding relation between the charging fault and the emergency stop triggering event;
determining a real-time fault type according to the charging detection data;
and analyzing the real-time fault type according to the sudden stop demand prediction model to determine fault diagnosis information.
Establishing an emergency stop demand prediction model based on a correspondence between the charging fault and the emergency stop triggering event, the control unit being further configured to:
establishing an initial prediction model;
acquiring historical charging faults of a charging pile and historical emergency stop trigger events corresponding to the historical charging faults, wherein the historical emergency stop trigger events comprise pressing of an emergency stop switch and non-pressing of the emergency stop switch;
training an initial prediction model based on historical charging faults and historical emergency stop triggering events;
and determining an emergency stop demand prediction model according to the training result.
Analyzing the real-time fault type according to the sudden stop demand prediction model, and determining fault diagnosis information, wherein the control unit is further used for:
analyzing the real-time fault type according to the sudden stop demand prediction model, and determining the real-time sudden stop triggering probability;
judging whether the real-time sudden stop triggering probability is higher than a preset probability value or not;
sending third fault diagnosis information to the local end according to the judgment result so that the local end outputs a first driving signal according to the third fault diagnosis information to control the intelligent lock to be opened;
or sending fourth fault diagnosis information to the local end according to the judgment result so that the local end outputs a second driving signal according to the fourth fault diagnosis information to control the intelligent lock to be closed.
The control unit is further configured to:
after the charging pile is powered off, the intelligent lock is controlled to be opened.
It should be noted that, because the emergency stop switch protection device for the charging pile provided by this embodiment has the same or corresponding beneficial effects as those of the above embodiments, no further description is given here.
Example four
Fig. 8 is a schematic structural diagram of a charging pile according to a fourth embodiment of the present invention, and as shown in fig. 8, a charging pile 800 includes an emergency stop switch protection device 801 for the charging pile according to the fourth embodiment.
It should be noted that, because the charging pile provided by the embodiment has the same or corresponding beneficial effects as those of the embodiment, no further description is given here.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A emergency stop switch protection method for a charging pile is characterized in that the emergency stop switch comprises an emergency stop button and a protective cover provided with an intelligent lock, and the method comprises the following steps:
acquiring charging detection data of the charging pile;
performing fault diagnosis on the charging detection data at a local end, or uploading the charging detection data to a cloud server so that the cloud server performs fault diagnosis on the charging detection data;
and controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
2. The emergency stop switch protection method for the charging pile according to claim 1, further comprising the following steps before acquiring the charging detection data of the charging pile:
acquiring a power-on starting state of the charging pile;
and controlling the intelligent lock to be opened or closed according to the power-on starting state.
3. The emergency stop switch protection method for the charging pile according to claim 1, further comprising the following steps before acquiring the charging detection data of the charging pile:
acquiring the connection state of a cloud server of the charging pile;
and controlling the intelligent lock to be opened or closed according to the connection state of the cloud server.
4. The emergency stop switch protection method for the charging pile according to claim 1, wherein the fault diagnosis of the charging detection data is performed at a local terminal, and the method comprises the following steps:
judging whether the charging detection data exceeds a preset charging operation parameter range or not;
determining first fault diagnosis information according to a judgment result, so that the local end outputs a first driving signal according to the first fault diagnosis information, and the intelligent lock is controlled to be opened;
or determining second fault diagnosis information according to the judgment result, so that the local end outputs a second driving signal according to the second fault diagnosis information to control the intelligent lock to be closed.
5. The emergency stop switch protection method for the charging pile according to claim 1, wherein the cloud server performs fault diagnosis on the charging detection data, and comprises the following steps:
establishing an emergency stop demand prediction model based on the corresponding relation between the charging fault and the emergency stop triggering event;
determining a real-time fault type according to the charging detection data;
and analyzing the real-time fault type according to the sudden stop demand prediction model to determine fault diagnosis information.
6. The emergency stop switch protection method for the charging pile according to claim 5, wherein the emergency stop demand prediction model is established based on the corresponding relation between the charging fault and the emergency stop triggering event, and the method comprises the following steps:
establishing an initial prediction model;
acquiring historical charging faults of a charging pile and historical emergency stop trigger events corresponding to the historical charging faults, wherein the historical emergency stop trigger events comprise pressing of an emergency stop switch and non-pressing of the emergency stop switch;
training the initial prediction model based on the historical charging faults and the historical emergency stop triggering events;
and determining the emergency stop demand prediction model according to the training result.
7. The emergency stop switch protection method for the charging pile according to claim 5, wherein the step of analyzing the real-time fault type according to the emergency stop demand prediction model to determine fault diagnosis information comprises the following steps:
analyzing the real-time fault type according to the sudden stop demand prediction model, and determining a real-time sudden stop triggering probability;
judging whether the real-time sudden stop triggering probability is higher than a preset probability value;
sending third fault diagnosis information to the local end according to the judgment result so that the local end outputs a first driving signal according to the third fault diagnosis information to control the intelligent lock to be opened;
or sending fourth fault diagnosis information to the local end according to the judgment result, so that the local end outputs a second driving signal according to the fourth fault diagnosis information to control the intelligent lock to be closed.
8. The emergency stop switch protection method for the charging pile according to claim 1, further comprising the steps of:
and after the charging pile is powered off, controlling the intelligent lock to be opened.
9. The utility model provides a scram switch protection device for filling electric pile which characterized in that includes: the emergency stop control device comprises a protective cover, an emergency stop button, an intelligent lock and a control unit, wherein the emergency stop button is arranged in the protective cover, and the intelligent lock is used for controlling the protective cover to be opened or closed; the control unit is used for:
acquiring charging detection data of the charging pile;
performing fault diagnosis on the charging detection data, or uploading the charging detection data to a cloud server, so that the cloud server performs fault diagnosis on the charging detection data;
and controlling the intelligent lock to be opened or closed according to the fault diagnosis result.
10. A charging pile comprising the emergency stop switch protection device for a charging pile according to claim 9.
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