CN110682825B - Safe charging method, storage medium, electronic device and system - Google Patents
Safe charging method, storage medium, electronic device and system Download PDFInfo
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- CN110682825B CN110682825B CN201910973488.9A CN201910973488A CN110682825B CN 110682825 B CN110682825 B CN 110682825B CN 201910973488 A CN201910973488 A CN 201910973488A CN 110682825 B CN110682825 B CN 110682825B
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/68—Off-site monitoring or control, e.g. remote control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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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- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
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Abstract
The invention provides a safe charging method, a storage medium, electronic equipment and a system, wherein the method comprises the following steps: acquiring the vehicle type of a charging vehicle; if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type; if the charging parameter of the charging vehicle reaches the threshold value of the charging stopping parameter, sending a charging stopping signal corresponding to the equipment attribute; and the charging stopping signal is used for controlling the charging pile to stop charging the charging vehicle. In the above scheme, if the charging vehicle belongs to one of the preset dangerous vehicle types, a charging stopping parameter threshold value is set for the charging vehicle, and the charging of the charging vehicle is stopped when the charging parameter of the charging vehicle reaches the charging stopping parameter threshold value. According to the scheme, the spontaneous combustion phenomenon caused by the dangerous vehicle type in the charging process can be avoided, and the safety of the charging process is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicle charging, in particular to a safe charging method, a storage medium and a system.
Background
Electric vehicle fills electric pile and can communicate with electric vehicle at the in-process of charging, judges electric vehicle type or vehicle battery type, then charges according to vehicle battery's demand. Under normal conditions, if a user does not actively stop charging or the electric vehicle and the charging pile is not in fault (such as over-high temperature and pile communication fault), the charging pile can charge the electric vehicle until the vehicle battery is fully charged. Because the charging time of the electric vehicle is long, the owner of the vehicle leaves the charging vehicle in the charging process of the vehicle under the general condition, so that the charging vehicle is in the condition of no supervision. However, some vehicles auto-ignite during the charging period, and these auto-ignition events occur while in a normal state of charge. Vehicle self-ignition during charging poses a significant safety hazard in and around the charging station. Therefore, how to avoid the spontaneous combustion of the electric vehicle in the charging process becomes an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide a safe charging method, a storage medium and a system, which aim to solve the technical problem that part of vehicles are easy to generate spontaneous combustion in the charging process in the prior art.
Therefore, the invention provides a safe charging method, which comprises the following steps:
acquiring the vehicle type of a charging vehicle;
if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type and equipment attributes of a charging pile for charging the charging vehicle;
if the charging parameter of the charging vehicle reaches the threshold value of the charging stopping parameter, sending a charging stopping signal corresponding to the equipment attribute; and the charging stopping signal is used for controlling the charging pile to stop charging the charging vehicle.
Optionally, in the above safety charging method, the step of obtaining a vehicle type of the charging vehicle includes:
acquiring a charging state image of a charging vehicle, wherein the charging state image comprises a charging vehicle image;
and determining the vehicle type of the charging vehicle according to the charging vehicle image.
Optionally, in the above safety charging method, the step of determining the vehicle type of the charging vehicle according to the charging vehicle image includes:
analyzing the charging vehicle image to obtain the outline of the charging vehicle;
and determining the vehicle type of the charging vehicle according to the profile of the charging vehicle.
Optionally, in the above safety charging method, the step of determining the vehicle type of the charging vehicle according to the charging vehicle image includes:
analyzing the image of the charging vehicle to obtain the license plate number of the charging vehicle;
and obtaining the vehicle type of the charging vehicle according to the license plate number.
Optionally, in the above safety charging method, the step of obtaining a vehicle type of the charging vehicle includes:
acquiring registration information for requesting charging for the charging vehicle;
and extracting the vehicle type reserved in the registration information as the vehicle type of the charging vehicle.
Optionally, in the above safety charging method, the preset dangerous vehicle type is determined by:
obtaining a vehicle type set of vehicles with spontaneous combustion events according to historical data;
and taking the vehicle type with the proportion exceeding a set threshold value in the vehicle type set as the preset dangerous vehicle type.
Optionally, in the above safety charging method, the preset dangerous vehicle type is determined by:
and taking the model of the transport vehicle with the load capacity exceeding the load threshold value as the preset dangerous model.
Optionally, in the above safety charging method, before the step of obtaining the model of the charging vehicle, the method further includes: setting a corresponding stop-charging parameter threshold value for each preset dangerous vehicle type, wherein the stop-charging parameter threshold value is a charging time threshold value or a charging capacity threshold value obtained according to the charging potential temperature and/or the charging potential humidity of the preset dangerous vehicle type and the battery capacity of the preset dangerous vehicle type, and the charging capacity threshold value is smaller than the battery capacity;
if the charging parameter of the charging vehicle reaches the threshold of the charging stop parameter, the step of sending the charging stop signal comprises the following steps: determining a charging time length threshold value or a charging amount threshold value corresponding to the charging vehicle according to the temperature of the charging position of the charging vehicle and/or the humidity of the charging position of the charging vehicle and the battery capacity of the charging vehicle; and if the charging time of the charging vehicle reaches the charging time threshold or the charging amount of the charging vehicle reaches the charging amount threshold, sending the charging stop signal.
Optionally, in the above safety charging method, the charging duration threshold tthAnd the charge amount threshold value QthObtained by the following method:
if T is greater than or equal to TGAnd/or H is less than or equal to HLThen tth＝0，Qth＝0；
If T1＜T＜TGAnd/or HL＜H＜H1Then tth＝t1，Qth＝Q1；
If T is less than or equal to T1And/or H.gtoreq.H1Then tth＝t2，Qth＝Q2And t is2＞t1，Q2＞Q1；
The aboveT is the temperature of the charging potential of the preset dangerous vehicle type, TGIs an upper threshold value of the charging potential temperature, T1Is the maximum value in the standard range of the charging site temperature, H is the charging site humidity, HLIs the lower limit of the humidity of the charging station, H1Is the minimum value in the humidity standard range; t is t1And t2Respectively setting charging time length thresholds under corresponding conditions, wherein the charging time length thresholds are all smaller than the time required by the preset dangerous vehicle type to be fully charged; q1And Q2And the charging quantity threshold values under the corresponding conditions are respectively smaller than the electric quantity required when the preset dangerous vehicle type battery is fully charged.
Optionally, in the above safety charging method, before the step of obtaining the model of the charging vehicle, the method further includes: setting a corresponding battery temperature threshold value as a charging parameter threshold value for each preset dangerous vehicle type;
if the charging parameter of the charging vehicle reaches the threshold of the charging stop parameter, the step of sending the charging stop signal comprises the following steps: and acquiring the real-time battery temperature of the charging vehicle, and sending the charging stop signal if the real-time battery temperature of the charging vehicle reaches the battery temperature threshold value.
Optionally, the safety charging method further includes the following steps:
acquiring terminal information associated with the charging vehicle;
and if the vehicle type is matched with any preset dangerous vehicle type, sending prompt information for limiting the charging time or the charging amount to the terminal equipment according to the terminal information.
Optionally, the safety charging method further includes the following steps:
and when the charging stop signal is sent, sending a prompt message for stopping charging to the terminal equipment.
The invention also provides a storage medium, wherein the storage medium is stored with program instructions, and a computer reads the program instructions and then executes the safe charging method.
The invention also provides an electronic device, which comprises at least one processor and at least one memory, wherein program instructions are stored in the at least one memory, and the at least one processor reads the program instructions and then executes the safe charging method.
The invention also provides a safe charging system, which comprises the electronic equipment and at least one camera in the scheme:
the camera is arranged in the charging station and used for monitoring the charging vehicle and outputting a charging state image of the charging vehicle to the electronic equipment.
Optionally, the safety charging system further includes:
the temperature sensor is arranged at the charging position and used for detecting the charging temperature and outputting the charging temperature to the electronic equipment; and/or the presence of a gas in the gas,
and the humidity sensor is arranged at the charging position and used for detecting the humidity of the charging position and outputting the detected humidity to the electronic equipment.
Optionally, the safety charging system further includes:
and the communication module is in data communication with the charging vehicle, receives the real-time battery temperature of the charging vehicle and transmits the real-time battery temperature to the electronic equipment.
Compared with the prior art, the technical scheme provided by the embodiment of the invention at least comprises the following steps
Has the advantages that:
the embodiment of the invention provides a safe charging method, a storage medium, electronic equipment and a system, wherein the method comprises the following steps: acquiring the vehicle type of a charging vehicle; if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type; if the charging parameter of the charging vehicle reaches the threshold value of the charging stopping parameter, sending a charging stopping signal corresponding to the equipment attribute; and the charging stopping signal is used for controlling the charging pile to stop charging the charging vehicle. Therefore, if the charging vehicle belongs to one of the preset dangerous vehicle types, a charging stop parameter threshold value is set for the charging vehicle, and the charging of the charging vehicle is stopped when the charging parameter of the charging vehicle reaches the charging stop parameter threshold value. The scheme can avoid the spontaneous combustion phenomenon caused by the situation that the charging time is too long or the temperature of the battery is too high in the charging process of the dangerous vehicle type, and the safety of the charging process is improved.
Drawings
Fig. 1 is a flowchart of a safe charging method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a safe charging method according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a hardware connection relationship of an electronic device according to an embodiment of the present invention.
Fig. 4 is a block diagram illustrating a safety charging system according to an embodiment of the present invention;
fig. 5 is a block diagram of a safety charging system according to another embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the following embodiments provided in the present application, unless mutually contradictory, different technical solutions may be mutually combined, and technical features thereof may be mutually replaced.
Example 1
The embodiment provides a safe charging method, which can be applied to a charging station control system or a charging pile control module, as shown in fig. 1, and includes the following steps:
s101: acquiring the vehicle type of a charging vehicle; the model of the charging vehicle can include a logistics vehicle with a load of XX tons, a taxi, an XX brand XX model vehicle and the like. The step can receive information input by workers or can be identified by automatically collecting relevant data of the vehicle.
S102: if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type and equipment attributes of a charging pile for charging the charging vehicle; the preset dangerous vehicle type is pre-stored information, and when the vehicle type of the charging vehicle is received, the vehicle type is compared with the pre-stored information to judge whether the charging vehicle belongs to a certain dangerous vehicle type.
S103: if the charging parameter of the charging vehicle reaches the threshold value of the charging stopping parameter, sending a charging stopping signal corresponding to the equipment attribute; and the charging stopping signal is used for controlling the charging pile to stop charging the charging vehicle.
The dangerous vehicle type is a vehicle type which is determined according to historical experience data or actual production conditions and running conditions of the vehicle type and is likely to generate spontaneous combustion phenomenon in the charging process. For example, a logistics vehicle with a large load capacity requires a very large battery capacity, and requires a long charging time during charging, during which the temperature of the battery, if too high, increases the risk of spontaneous ignition. At this time, the possibility of self-ignition thereof may be reduced by defining the charging period thereof. As another realizable mode, the preset dangerous vehicle type can be determined by the following four methods in the above scheme:
(1) the method for determining the dangerous vehicle type comprises the following steps:
step A: and obtaining a vehicle type set of the vehicle with the spontaneous combustion event according to the historical data.
And B: and taking the vehicle type with the proportion exceeding a set threshold value in the vehicle type set as the preset dangerous vehicle type.
All relevant data of the vehicle with spontaneous combustion can be determined according to historical data within a historical period (such as half a year, a year and the like), for example, 40 times of spontaneous combustion events of the electric vehicle occur within a year, wherein 4 times of occurrence of the electric vehicle of a certain vehicle type accounts for 10% of all the vehicle types with spontaneous combustion. By means of the statistical method, the vehicle type with a high specific weight in the self-ignition vehicles can be determined, the vehicle type can be considered as a dangerous vehicle type, if the current charging vehicle is one of the vehicles, the vehicle type needs to be adjusted to execute the charging stopping strategy, namely, the charging parameter threshold value which is preset and can ensure safety is not taken as the charging stopping time, and the charging stopping time is taken as the charging stopping time.
(2) The method for determining the dangerous vehicle type comprises the following steps:
s1-1: acquiring a charging state image of a charging vehicle, wherein the charging state image comprises a charging vehicle image; images or videos of the charging vehicle can be collected through a monitoring device (such as a camera) arranged in the charging station, so that the images of the charging vehicle in the charging state can be obtained. The camera special for acquiring the state image of the charging vehicle can be additionally arranged in the charging station independently, so that the image or video of the charging vehicle can be acquired in real time.
S1-2: and determining the vehicle type of the charging vehicle according to the charging vehicle image. Through the image processing method, the charging vehicle itself can be extracted from the image, and then the vehicle type of the charging vehicle can be judged according to the relevant information of the charging vehicle itself, which specifically includes:
the first method is as follows: analyzing the charging vehicle image to obtain the outline of the charging vehicle; and determining the vehicle type of the charging vehicle according to the profile of the charging vehicle. The method can determine whether the vehicle is a common household car, a taxi, a logistics vehicle and the like according to the outline of the vehicle, can estimate the volume of the charging vehicle, and further can judge whether the charging vehicle belongs to the logistics vehicle with the overhigh load.
The second method comprises the following steps: analyzing the image of the charging vehicle to obtain the license plate number of the charging vehicle; and obtaining the vehicle type of the charging vehicle according to the license plate number. That is, after the license plate number of the charging vehicle is determined, a database such as a traffic control office system can be queried according to the license plate number, the vehicle type of the charging vehicle is obtained, and then whether the vehicle type is a dangerous vehicle type or not is judged.
(3) The method for determining the dangerous vehicle type comprises the following steps:
for part of users, the APP installed in the mobile terminal is adopted to start charging operation, the part of users need to fill in registration information in the APP registration process, wherein vehicle-to-vehicle types can be included, the registration information of the users can be directly acquired in the charging process of the part of users, and then vehicle types reserved in the registration information are extracted to serve as vehicle types of charging vehicles.
(4) Method four for determining dangerous vehicle type
And taking the model of the transport vehicle with the load capacity exceeding the load threshold value as the preset dangerous model.
In the above solution, each charging pile in the charging station has its specific device attribute, and during the charging process, as long as the charging pile is performing the charging operation, it can obtain some data of the charging vehicle, such as the charging time, the charging amount, and then upload the charging data to the operator platform of the charging station. Thus, the charging vehicle is associated with a unique charging post device attribute at the time of charging. When the charging vehicle is in the charging process, the charging pile connected with the charging vehicle can be determined in the modes of analyzing charging data or analyzing monitoring images and the like, and the equipment attribute of the charging pile can be obtained. After the equipment attribute of the charging pile is determined, the charging pile can be controlled by a charging stopping strategy. This embodiment provides a way:
in the step of acquiring a charging state image of a charging vehicle, the charging state image also comprises a charging pile image; the method further comprises the steps of: and determining the equipment attribute of a charging pile for charging the charging vehicle according to the charging pile image. That is, the device attribute of the charging pile is directly obtained according to the charging pile image recorded in the collected charging state image of the charging vehicle. For example, the specific position of the charging pile in the charging station is obtained according to the charging pile image, and the charging pile number can be determined according to the charging pile position; or directly can shoot data such as the stake number of filling electric pile in filling the electric pile image, and then obtain the equipment attribute of filling electric pile.
In the above scheme, the charging stop parameter threshold may be determined according to the charging potential temperature, the humidity of the charging environment, and the battery capacity of the vehicle. Based on this, the present embodiment further provides a safe charging method as shown in fig. 2:
s201: and setting a corresponding charging stop parameter threshold for each preset dangerous vehicle type, wherein the charging stop parameter threshold is a charging time threshold or a charging capacity threshold obtained according to the temperature and/or the charging level humidity of a charging level where the preset dangerous vehicle type is located and the battery capacity of the preset dangerous vehicle type, and the charging capacity threshold is smaller than the battery capacity. For a charging vehicle, the main reason affecting the charging safety thereof is the temperature of the battery. In this step, setting the charging duration threshold and the charging amount threshold according to the charging potential temperature and/or humidity and the battery capacity can effectively control the battery temperature of the charging vehicle. The specific setting mode can obtain a reasonable threshold value according to data analysis of vehicles which generate spontaneous combustion during charging in historical data, and capacities of different vehicles and different batteries can be different. In this embodiment, the charging duration threshold tthAnd the charge amount threshold value QthObtained by the following method: if T is greater than or equal to TGAnd/or H is less than or equal to HLThen tth＝0，Qth0; if T1＜T＜TGAnd/or HL＜H＜H1Then tth＝t1，Qth＝Q1(ii) a If T is less than or equal to T1And/or H.gtoreq.H1Then tth＝t2，Qth＝Q2And t is2＞t1，Q2＞Q1(ii) a Above, T is the temperature of the charging potential where the dangerous vehicle type is preset, TGIs an upper threshold value of the charging potential temperature, T1In a range calibrated for the temperature of the charging siteMaximum value, H is the charge site humidity, HLIs the lower limit of the humidity of the charging station, H1Is the minimum value in the humidity standard range; t is t1And t2Respectively setting charging time length thresholds under corresponding conditions, wherein the charging time length thresholds are all smaller than the time required by the preset dangerous vehicle type to be fully charged; q1And Q2And the charging quantity threshold values under the corresponding conditions are respectively smaller than the electric quantity required when the preset dangerous vehicle type battery is fully charged. In the above, the standard range of the charging location, that is, the temperature range in which the electric vehicle can be safely charged, may be selected to be 15 ℃ to 40 ℃ according to empirical values, for example, the upper threshold of the charging location temperature is a temperature value at which the vehicle may have a great risk of spontaneous combustion, and may be selected to be about 1.5 times of the maximum value in the standard range of the charging location temperature, for example, the maximum value in the standard range of the charging location temperature is 40 ℃, and the upper threshold of the charging location temperature is selected to be about 60 ℃. The humidity standard range of the charging potential is the humidity range under normal conditions, and the lower humidity limit value can be selected to be about 1/2 of the minimum value in the humidity standard range, for example, the humidity standard range is 15% -60%, and the lower humidity limit value can be selected to be 7.5%. The above description is merely an example, and the specific implementation may be appropriately selected according to the geographical location of the charging station.
S202: acquiring a charging state image of a charging vehicle, wherein the charging state image comprises a charging vehicle image; and determining the vehicle type of the charging vehicle according to the charging vehicle image.
S203: the charging state image also comprises a charging pile image; and determining the equipment attribute of a charging pile for charging the charging vehicle according to the charging pile image.
S204: and if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type.
S205: determining a charging time length threshold value or a charging amount threshold value corresponding to the charging vehicle according to the charging potential temperature of the charging vehicle and/or the charging potential humidity of the charging vehicle and the battery capacity of the charging vehicle; and if the charging time of the charging vehicle reaches the charging time threshold or the charging amount of the charging vehicle reaches the charging amount threshold, sending the charging stop signal. That is, according to the section division of the charging level temperature and the charging level humidity in step S201, which section the relevant value collected in the actual charging process of the charging vehicle falls into is used as the criterion for determining the charging stop. For example, if the charging potential temperature is 35 ℃ and the humidity is 20%, and the corresponding charging time threshold is 4 hours, and the charging amount threshold is 95% of the battery capacity, the charging stop strategy is executed after the charging amount of the charging vehicle is limited to 95% of the total capacity, or the charging stop strategy is controlled after the charging vehicle has been charged for 4 hours, so that the normal operation of the vehicle is not affected, and the charging safety of the vehicle can be further ensured. For another example, if the temperature of the charging potential has reached 60 ℃, it may be that the charging vehicle itself has a high temperature, and it can be inferred that the battery temperature is high, and there is a high risk in charging, in which case the charging duration threshold value is set to 0 and the charging amount threshold value is set to 0 directly, that is, the charging operation is not provided to the charging vehicle, so as to ensure the safety of the vehicle.
As another way to implement the method, a module for measuring the battery temperature is provided for some electric vehicles, when such electric vehicles are charged, the system may directly request to establish a communication connection with the charging vehicle, and after the communication connection is successfully established, the real-time battery temperature data of the charging vehicle can be directly acquired through the vehicle terminal of the charging vehicle. At this time, it is possible to directly determine whether or not it is necessary to stop charging the charging vehicle based on the real-time battery temperature of the charging vehicle. The battery temperature threshold may be selected to be about 1.2 times the highest value in the temperature range when the battery is normally charged, for example, the normal temperature range of the battery when charging is: 20 c-45 c, the battery temperature threshold may be selected to be 54 c. During the charging process of the charging vehicle, the real-time battery temperature can be sent to the operator platform, and the operator platform can control the charging vehicle to stop charging after monitoring the real-time temperature value of the battery to reach 54 ℃.
In the above scheme, as shown in fig. 2, the method may further include the following steps:
s206: terminal information associated with the charging vehicle is acquired. The terminal information is preferably the telephone number or micro-signal of the passenger or the App account information installed on the mobile phone.
S207: and sending prompt information for limiting the charging time or the charging amount to the terminal equipment according to the terminal information. That is, if the charging vehicle belongs to a dangerous vehicle type, the passenger is informed in advance, so that the passenger can know that the charging of the vehicle is limited in time, and the passenger can know the charging time.
Further, the above scheme further includes, when sending the stop signal:
s208: and sending a prompt message for stopping charging to the terminal equipment. According to the scheme, the charging user can be informed in time under the condition that the charging of the charging vehicle is stopped in advance, and the user can conveniently and timely move away the vehicle so that other vehicles can be charged as soon as possible.
Example 2
The present embodiment provides a storage medium, where program instructions are stored in the storage medium, and a computer reads the program instructions and then executes the secure charging method according to any one of the technical solutions in embodiment 1.
Example 3
Fig. 3 is a schematic diagram of a hardware structure of an electronic device for executing the secure charging method according to this embodiment, where the electronic device includes:
one or more processors 301 and a memory 302, with one processor 301 being illustrated in fig. 3. The apparatus to perform the charging information processing method may further include: an input device 303 and an output device 304. The processor 301, the memory 302, the input device 303 and the output device 304 may be connected by a bus or other means, and fig. 3 illustrates the connection by a bus as an example.
Example 4
The present embodiment provides a secure charging system, as shown in fig. 4, including an electronic device 401 and at least one camera 402 described in embodiment 3.
The camera 402 is disposed in the charging station, and is configured to monitor a charging vehicle and output a charging state image of the charging vehicle to the electronic device 401. The camera 402 may be an existing monitoring device in the original charging station, or may be a newly added camera separately disposed near the charging pile, and is dedicated to shooting the charging vehicle. The monitoring data of the camera 402 may be output to a processor or a memory of the electronic device 401.
As shown in fig. 5, the safety charging system may further include: the temperature sensor 403 is arranged at the charging position, and is used for detecting a temperature value of the charging position and outputting the temperature value to the electronic device 401; and/or, a humidity sensor 404 disposed at the charging position, for detecting a humidity value of the charging position and outputting the humidity value to the electronic device 401. The monitoring data of the temperature sensor 403 and the humidity sensor 404 may be output to a processor or a memory of the electronic device 401, and the electronic device 401 may be capable of determining the charging parameter threshold of the charging vehicle according to the monitoring results of the temperature sensor 403 and the humidity sensor 404. To perform the safe charging method proposed in embodiment 1. During concrete implementation, the temperature sensor 403 and the humidity sensor 404 can be arranged on the charging pile, the distance between the charging pile and the charging position is very short, and accurate data can be collected.
In addition, the system may further include a communication module 405, which performs data communication with the charging vehicle, receives the real-time battery temperature of the charging vehicle, and transmits the real-time battery temperature to the electronic device 401. The communication module 405 requests to acquire information of the vehicle end of the charging vehicle under the control of the operator platform, and the vehicle end can send the detected real-time battery temperature to the communication module 405 after allowing. The electronic device 401 can determine from the data sent by the communication module 405 whether the charging vehicle needs to execute a charging shutdown strategy.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the methods provided in the embodiments of the present application.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (14)
1. A safe charging method is characterized by comprising the following steps:
acquiring the vehicle type of a charging vehicle;
if the vehicle type is matched with any preset dangerous vehicle type, acquiring a charging stopping parameter threshold value corresponding to the vehicle type and equipment attributes of a charging pile for charging the charging vehicle;
if the charging parameter of the charging vehicle reaches the threshold value of the charging stopping parameter, sending a charging stopping signal corresponding to the equipment attribute; the charging stopping signal is used for controlling the charging pile to stop charging the charging vehicle;
the method further comprises the following steps before the step of acquiring the model of the charging vehicle: setting a corresponding charging stop parameter threshold for each preset dangerous vehicle type, wherein the charging stop parameter threshold is a charging time threshold or a charging capacity threshold obtained according to charging potential temperature and/or charging potential humidity and the battery capacity of the preset dangerous vehicle type, and the charging capacity threshold is smaller than the battery capacity;
if the charging parameter of the charging vehicle reaches the threshold of the charging stop parameter, the step of sending the charging stop signal comprises the following steps: determining a charging time length threshold value or a charging amount threshold value corresponding to the charging vehicle according to the charging potential temperature and/or the charging potential humidity of the charging vehicle and the battery capacity of the charging vehicle; and if the charging time of the charging vehicle reaches the charging time threshold or the charging amount of the charging vehicle reaches the charging amount threshold, sending the charging stop signal.
2. The safe charging method according to claim 1, wherein the step of acquiring a model of the charging vehicle includes:
acquiring a charging state image of a charging vehicle, wherein the charging state image comprises a charging vehicle image;
and determining the vehicle type of the charging vehicle according to the charging vehicle image.
3. The secure charging method according to claim 2, wherein in the step of acquiring a charging state image of the charging vehicle, the charging state image further includes a charging pile image; the method further comprises the steps of:
and determining the equipment attribute of a charging pile for charging the charging vehicle according to the charging pile image.
4. The secure charging method according to claim 2, wherein determining a vehicle type of the charging vehicle from the charging vehicle image includes:
analyzing the charging vehicle image to obtain the outline of the charging vehicle;
and determining the vehicle type of the charging vehicle according to the profile of the charging vehicle.
5. The secure charging method according to claim 2, wherein determining a vehicle type of the charging vehicle from the charging vehicle image includes:
analyzing the image of the charging vehicle to obtain the license plate number of the charging vehicle;
and obtaining the vehicle type of the charging vehicle according to the license plate number.
6. The safe charging method according to claim 1, wherein the step of acquiring a model of the charging vehicle includes:
acquiring registration information for requesting charging for the charging vehicle;
and extracting the vehicle type reserved in the registration information as the vehicle type of the charging vehicle.
7. The safe charging method according to claim 1, wherein the preset dangerous vehicle type is determined by:
obtaining a vehicle type set of vehicles with spontaneous combustion events according to historical data;
and taking the vehicle type with the proportion exceeding a set threshold value in the vehicle type set as the preset dangerous vehicle type.
8. The safe charging method according to claim 1, wherein the preset dangerous vehicle type is determined by:
and taking the model of the transport vehicle with the load capacity exceeding the load threshold value as the preset dangerous model.
9. Safety charging method according to claim 1, characterised in that said charging duration threshold tthAnd the charge amount threshold value QthObtained by the following method:
if T is greater than or equal to TGAnd/or H is less than or equal to HLThen tth＝0，Qth＝0；
If T1＜T＜TGAnd/or HL＜H＜H1Then tth＝t1，Qth＝Q1；
If T is less than or equal to T1And/or H.gtoreq.H1Then tth＝t2，Qth＝Q2And t is2＞t1，Q2＞Q1；
Above, T is the charging position temperature of the preset dangerous vehicle type, TGIs an upper threshold value of the charging potential temperature, T1Is the maximum value in the standard range of the charging site temperature, H is the charging site humidity, HLIs the lower limit of the humidity of the charging station, H1Is the minimum value in the humidity standard range；t1And t2Respectively setting charging time length thresholds under corresponding conditions, wherein the charging time length thresholds are all smaller than the time required by the preset dangerous vehicle type to be fully charged; q1And Q2And the charging quantity threshold values under the corresponding conditions are respectively smaller than the electric quantity required when the preset dangerous vehicle type battery is fully charged.
10. A storage medium having stored therein program instructions, the program instructions being readable by a computer to perform the secure charging method of any one of claims 1 to 9.
11. An electronic device comprising at least one processor and at least one memory, at least one of the memory storing program instructions, at least one of the processor executing the secure charging method of any one of claims 1-9 when the program instructions are read.
12. A secure charging system comprising the electronic device of claim 11 and at least one camera:
the camera is arranged in the charging station and used for monitoring the charging vehicle and outputting a charging state image of the charging vehicle to the electronic equipment.
13. The secure charging system of claim 12, further comprising:
the temperature sensor is arranged at the charging position and used for detecting the charging temperature and outputting the charging temperature to the electronic equipment; and/or the presence of a gas in the gas,
and the humidity sensor is arranged at the charging position and used for detecting the humidity of the charging position and outputting the detected humidity to the electronic equipment.
14. The secure charging system of claim 12, further comprising:
and the communication module is in data communication with the charging vehicle, receives the real-time battery temperature of the charging vehicle and transmits the real-time battery temperature to the electronic equipment.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973488.9A CN110682825B (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
| CN202010524450.6A CN111497669B (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
| CN202010523471.6A CN111645568A (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
| PCT/CN2020/092881 WO2021073109A1 (en) | 2019-10-14 | 2020-05-28 | Safe charging method, storage medium, electronic device and system |
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| CN201910973488.9A CN110682825B (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
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| CN202010524450.6A Division CN111497669B (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
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| CN202010524450.6A Active CN111497669B (en) | 2019-10-14 | 2019-10-14 | Safe charging method, storage medium, electronic device and system |
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| CN111497669A (en) | 2020-08-07 |
| CN111497669B (en) | 2022-01-11 |
| WO2021073109A1 (en) | 2021-04-22 |
| CN111645568A (en) | 2020-09-11 |
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