CN113119789A - Method for ensuring charging safety through video recognition of vehicle type - Google Patents
Method for ensuring charging safety through video recognition of vehicle type Download PDFInfo
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- CN113119789A CN113119789A CN202110419375.1A CN202110419375A CN113119789A CN 113119789 A CN113119789 A CN 113119789A CN 202110419375 A CN202110419375 A CN 202110419375A CN 113119789 A CN113119789 A CN 113119789A
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- charging
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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
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a method for ensuring charging safety by video recognition of vehicle types, which comprises an integrated controller, wherein the integrated controller is connected with a camera through a switch, the integrated controller is connected with charging equipment, the integrated controller comprises an image acquisition module, an image recognition module, an alarm module and an information storage module, the image acquisition module acquires vehicle images through the camera, the image recognition module recognizes the acquired vehicle images and compares the recognized vehicle type information with vehicle type data in the information storage module, when the comparison finds that the vehicle type information corresponds to the vehicle type data, the alarm module sends alarm information to the corresponding charging equipment, and the method for ensuring charging safety by video recognition of vehicle types is used for solving the problems of poor accuracy, low efficiency, no difference adjustment of charging strategies, low charging safety and the like existing in manual recognition of charging vehicle types, The charging of the normal vehicle is limited.
Description
Technical Field
The invention relates to the technical field of charging of new energy automobiles, in particular to a method for ensuring charging safety through video identification of automobile types.
Background
With the rapid development of the electric automobile industry, the charging safety problem becomes more prominent. Some models of electric vehicles have large errors in detecting the SOC (State of Charge, which is a parameter reflecting the percentage of the current electric quantity in the battery pack to the total available capacity) during charging due to quality defects, the SOC is not yet 100% after the battery is fully charged, the vehicle does not actively finish charging, and the power battery is easily overcharged, which causes spontaneous combustion of the power battery.
At present, some charging operators send counted high-risk vehicle types to operation and maintenance personnel, the operation and maintenance personnel manually identify charging vehicles on a charging station site, collect and refuse to charge after finding the high-risk vehicle types, reduce charging power or reduce an SOC threshold value, and designate measures such as individual regional charging to guarantee charging safety.
In addition, some charging operators manually reduce the charging SOC threshold of the charging equipment in the high-temperature period in summer, and return the SOC threshold again in autumn, so that the charging equipment stops charging when detecting that the charging vehicle reaches the SOC threshold, and the purpose of avoiding overcharging is achieved.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a method for ensuring the charging safety through video identification of vehicle types, which reduces the operation and maintenance labor input of a charging station, ensures more accurate charging control adjustment and stronger pertinence, reduces the probability of overcharge and improves the charging safety.
In order to achieve the above purposes, the invention adopts the technical scheme that: a method for ensuring charging safety through video recognition of vehicle types is characterized by comprising the following steps: the intelligent charging system comprises an integrated controller, the integrated controller is connected with a camera through a switch, the integrated controller is connected with charging equipment, the integrated controller comprises an image acquisition module, an image recognition module, an alarm module and an information storage module, the image acquisition module acquires a vehicle image through the camera, the image recognition module identifies the acquired vehicle image and compares the identified vehicle type information with vehicle type data in the information storage module, when the vehicle type information is found to correspond to the vehicle type data through comparison, the alarm module sends the alarm information to the corresponding charging equipment, and at the moment, the charging equipment adopts different charging strategies.
Further, the centralized controller is connected with a superior platform through a wireless network and used for remotely updating the vehicle type data.
Further, the vehicle type data comprises a first-level risk vehicle type and a second-level risk vehicle type, the second-level risk vehicle type is a vehicle type with one spontaneous combustion accident, or with a vehicle manufacturer being closed or being broken, and the first-level risk vehicle type is a vehicle type with more than two spontaneous combustion accidents within 15 days, or with a vehicle manufacturer or a related unit issuing risk reminding.
Further, the alarm information comprises first-level alarm information and second alarm information, the first-level alarm information and the second alarm information correspond to a first-level risk vehicle model and a second-level risk vehicle model respectively, when the vehicle model information is recognized and compared by the image recognition module to be the first-level risk vehicle model, the alarm information sends the first-level alarm information, and when the vehicle model information is recognized and compared by the image recognition module to be the second-level risk vehicle model, the alarm information sends the second-level alarm information.
Further, the charging strategy is a primary charging strategy and a secondary charging strategy, the primary charging strategy and the secondary charging strategy correspond to primary warning information and secondary warning information respectively, when the charging equipment receives the primary warning information, the charging equipment refuses to charge the vehicle, prompts and explains the vehicle through a screen of the charging equipment, and when the charging equipment receives the secondary warning information, the charging SOC threshold value is adjusted to be lower.
Further, the cameras are installed on the charging site, and the number of the cameras is at least three.
Compared with the prior art, the invention has the beneficial effects that: the charging device adopts a method of adjusting the charging strategy in real time by identifying the vehicle type through video recognition, reduces the labor input of operation and maintenance work of the charging station, ensures that the charging control adjustment is more accurate and the pertinence is stronger, reduces the occurrence probability of overcharge and improves the charging safety.
Drawings
FIG. 1 is a connection block diagram of the present invention;
fig. 2 is a flowchart of the operation of the centralized controller.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, a method for ensuring charging safety by video recognition of a vehicle type includes an integrated controller, at least three cameras are arranged on a charging site and are connected with the integrated controller through an exchanger, the cameras and the integrated controller are connected to the exchanger through ethernet lines, and video image transmission between the cameras and the integrated controller is achieved;
the integrated controller is connected with the charging device through an RS485 bus to realize data transmission between the charging device and the integrated controller, and the integrated controller is connected with a superior platform through a wireless network to realize remote updating of vehicle type data;
referring to fig. 2, the process is started immediately after the centralized controller is powered on, firstly, whether a charging start signal sent by the charging device is received or not is judged, when a user starts charging, the charging device sends the charging start signal to the centralized controller through an RS485 bus and is accompanied with a charging device number, after the centralized controller receives the charging start signal, a corresponding camera number is inquired according to the charging device number, a signal is sent through an image acquisition module to enable a camera to acquire a corresponding vehicle image, the acquired vehicle image is identified through an image identification module, vehicle type information identified is compared with vehicle type data in an information storage module, whether the charging vehicle type belongs to high-risk vehicle insurance or not is judged, if the charging vehicle type does not belong to the high-risk vehicle type, no processing is performed, if the charging vehicle type belongs to the high-risk vehicle type, alarm information is sent to the corresponding charging device through an RS485, waiting for the confirmation signal of the charging equipment in a delayed manner, retransmitting the signal if the reply is not received within preset time, and disposing the charging equipment according to a preset charging strategy according to the alarm level after receiving the alarm information;
dividing vehicle type data into two stages according to risk degree, wherein the two stages are respectively a first-stage risk vehicle type and a second-stage risk vehicle type, an operation and maintenance worker of a higher-stage platform is responsible for collecting relevant information to carry out daily maintenance and real-time updating on an information storage module, a vehicle type which has a spontaneous combustion accident once and is turned over or is produced by a vehicle manufacturer or is imminent to break is listed in the second-stage risk vehicle type, the spontaneous combustion accident occurs more than two times within 15 days, the vehicle type which is issued by the vehicle manufacturer or a related unit and has a risk prompt is listed in the first-stage risk vehicle type, and the operation and maintenance worker finds a new risk vehicle type or adjusts the risk level, immediately updates the information storage module;
the information storage module is updated and then issued to the centralized controller of each charging station through the network, and after the centralized controller receives the latest vehicle type data, vehicle type identification and charging control are carried out according to the new vehicle type data;
the charging equipment adjusts a charging strategy according to the warning level after receiving a high-risk vehicle type warning signal, refuses to charge after receiving the first-level warning information, prompts and explains through a screen of the charging equipment, reduces a charging SOC threshold value after receiving the second-level warning information, finishes charging after the SOC reaches 100% during normal vehicle charging, and prevents the vehicle power battery from being overcharged by the vehicle charging SOC of the second-level warning information to 100%.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A method for ensuring charging safety through video recognition of vehicle types is characterized by comprising the following steps: the intelligent charging system comprises an integrated controller, the integrated controller is connected with a camera through a switch, the integrated controller is connected with charging equipment, the integrated controller comprises an image acquisition module, an image recognition module, an alarm module and an information storage module, the image acquisition module acquires a vehicle image through the camera, the image recognition module identifies the acquired vehicle image and compares the identified vehicle type information with vehicle type data in the information storage module, when the vehicle type information is found to correspond to the vehicle type data through comparison, the alarm module sends the alarm information to the corresponding charging equipment, and at the moment, the charging equipment adopts different charging strategies.
2. The method of claim 1, wherein the method comprises the following steps: the centralized controller is connected with a superior platform through a wireless network and used for remotely updating the vehicle type data.
3. The method of claim 1, wherein the method comprises the following steps: the vehicle type data comprises a first-level risk vehicle type and a second-level risk vehicle type, the second-level risk vehicle type is a vehicle type with one spontaneous combustion accident, or with a vehicle manufacturer falling or being produced by accident, and the first-level risk vehicle type is a vehicle type with more than two spontaneous combustion accidents within 15 days, or with a vehicle manufacturer or a related unit issuing risk reminding.
4. The method of claim 3, wherein the method comprises the following steps: the warning information comprises first-level warning information and second warning information, the first-level warning information and the second warning information correspond to a first-level risk vehicle model and a second-level risk vehicle model respectively, when the image recognition module recognizes and contrasts that the vehicle model information is the first-level risk vehicle model, the warning information sends the first-level warning information, and when the image recognition module recognizes and contrasts that the vehicle model information is the second-level risk vehicle model, the warning information sends the second-level warning information.
5. The method of claim 4, wherein the method comprises the following steps: the charging strategy is a primary charging strategy and a secondary charging strategy, the primary charging strategy and the secondary charging strategy respectively correspond to primary warning information and secondary warning information, when the charging equipment receives the primary warning information, the charging equipment refuses to charge the vehicle, prompts and explains the vehicle through a screen of the charging equipment, and when the charging equipment receives the secondary warning information, the charging SOC threshold value is adjusted to be lower.
6. The method of claim 1, wherein the method comprises the following steps: the cameras are installed on a charging site, and the number of the cameras is at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419375.1A CN113119789A (en) | 2021-04-19 | 2021-04-19 | Method for ensuring charging safety through video recognition of vehicle type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110419375.1A CN113119789A (en) | 2021-04-19 | 2021-04-19 | Method for ensuring charging safety through video recognition of vehicle type |
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| CN113119789A true CN113119789A (en) | 2021-07-16 |
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| CN202110419375.1A Pending CN113119789A (en) | 2021-04-19 | 2021-04-19 | Method for ensuring charging safety through video recognition of vehicle type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290935A (en) * | 2021-12-31 | 2022-04-08 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Electric vehicle charging station safety monitoring system |
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Application publication date: 20210716 |