CN117818536A - Automatic power changing method and system - Google Patents
Automatic power changing method and system Download PDFInfo
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- CN117818536A CN117818536A CN202311848643.7A CN202311848643A CN117818536A CN 117818536 A CN117818536 A CN 117818536A CN 202311848643 A CN202311848643 A CN 202311848643A CN 117818536 A CN117818536 A CN 117818536A
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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
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Abstract
The invention discloses an automatic power changing method and system, wherein the method comprises the following steps: the cloud platform monitors the electric quantity information of all registered electric quantity change vehicles in real time, and acquires the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value; the cloud platform inquires a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle and controls the power exchange vehicle to travel to the power exchange station; when the cloud platform monitors that the electric vehicle is driven to the electric vehicle exchange station area, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station; and the power exchange station establishes a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controls the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
Description
Technical Field
The invention relates to the technical field of automatic power conversion, in particular to an automatic power conversion method and system.
Background
At present, the electric operation of the traditional fuel oil vehicle is mature, and the market of a power exchange station for serving the manned electric truck is on a first scale. With the progress of automatic driving technology, automatic driving vehicle types in closed areas such as mining area unmanned mining cards, port unmanned AGVs and the like are already in the market, and corresponding power exchange stations also need to be subjected to corresponding technical upgrades to support unmanned power exchange scenes.
The current unmanned power exchange system scheme based on cloud computing has the following basic current exchange process: the cloud operation scheduling system and the automatic driving system guide the battery exchange vehicle to drive into the battery exchange station; the vehicle-mounted power conversion controller and the vehicle-mounted linear power control system are Connected (CAN); a WiFi communication link is established between the station control system and the vehicle-mounted power exchange controller; the station control system detects parking position information in real time and feeds back the parking position information to the cloud automatic driving system (or forwards the parking position information to the vehicle-mounted automatic driving module through the vehicle-mounted power conversion controller); the cloud (or vehicle end) automatic driving system guides the vehicle to adjust the position according to the deviation of the parking position, and accurately parks to the battery-changing parking space; the station control system acquires the identity of the vehicle through a license plate recognition system (or an RFID device) on the station; the cloud (or vehicle end) automatic driving system informs the station control system to start power exchange; after the power is replaced, the cloud end can guide the vehicle to drive away by the automatic driving system.
To sum up, the current unmanned power exchange system scheme is a simple splice of a traditional manned power exchange system and an automatic driving scheme based on cloud computing, and has the following defects:
1) There are multiple sets of system redundancy in the "car-station-cloud" aspect, resulting in high overall cost:
station-end parking auxiliary system and vehicle-mounted radar sensing system
Station-side automatic driving monitoring system and station-side power-changing monitoring system, and personnel and field equipment
Cloud operation scheduling system and cloud electric vehicle replacement monitoring system
2) The cloud automatic driving system is used for controlling the parking of the vehicle, a cloud platform, a station control system and a vehicle-mounted power conversion controller are required to work in series, the number of link nodes is large, reliability problems exist, and power conversion efficiency is affected;
3) WiFi communication between the vehicle and the station is easy to be interfered by the environment, data transmission instability and low instantaneity exist, automatic parking efficiency is affected, and power conversion efficiency is further affected;
4) The cloud performs automatic driving calculation, a control link between the cloud and the vehicle is long, network delay is high, automatic driving control quality is affected, and data transmission safety risks exist.
Disclosure of Invention
The invention provides an automatic power exchanging method and system, which aim to solve the technical problem of how to improve the automatic power exchanging efficiency of an automatic driving power exchanging vehicle in a closed area unmanned operation scene equipped with a power exchanging station.
The invention provides an automatic power changing method, which comprises the following steps:
the cloud platform monitors the electric quantity information of all registered electric quantity change vehicles in real time, and acquires the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value;
the cloud platform inquires a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle and controls the power exchange vehicle to travel to the power exchange station;
when the cloud platform monitors that the electric vehicle is driven to the electric vehicle exchange station area, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station;
and the power exchange station establishes a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controls the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
Preferably, the first communication link is 4G or 5G; the second communication link is V2X or 5G; the vehicle information comprises a vehicle identifier, battery power information, a current position of the vehicle, a vehicle running direction, a vehicle type and a vehicle battery type; the cloud platform queries a battery exchange station corresponding to the battery exchange vehicle according to the vehicle information of the battery exchange vehicle, and comprises: the cloud platform queries a power exchange station which is most matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the vehicle information of the power exchange vehicle, and acquires the power exchange service information of the power exchange station through the first communication link; and the cloud platform evaluates whether the power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information, and takes the power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the power exchange station accords with the power exchange requirement of the power exchange vehicle.
Preferably, the power conversion service information includes the number of current power conversion vehicles to be converted, battery types, the number of each battery type and the current electric quantity of each battery, wherein the cloud platform evaluates whether the power conversion station meets the power conversion requirement of the power conversion vehicles according to the power conversion service information includes: the cloud platform inquires whether the vehicle battery type exists in the battery types of the power exchange station; if the battery type of the power exchange station has the battery type of the vehicle, the cloud platform further judges whether the power exchange vehicle needs to exchange power at the power exchange station according to the number of the power exchange vehicles to be exchanged currently and the current electric quantity of each battery corresponding to the battery type, and evaluates that the power exchange station meets the power exchange requirement of the power exchange vehicle when judging that the power exchange vehicle needs to exchange power at the power exchange station; and if the battery type of the power exchange station does not have the vehicle battery type or the power exchange vehicle is judged not to need to exchange power at the power exchange station, the cloud platform evaluates that the power exchange station does not meet the power exchange requirement of the power exchange vehicle.
Preferably, after the cloud platform evaluates that the power exchange station does not meet the power exchange requirement of the power exchange vehicle, the cloud platform further includes: the cloud platform queries a standby power exchange station which is secondarily matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the electric quantity information of the power exchange vehicle, and acquires the power exchange service information of the standby power exchange station through the first communication link; and the cloud platform further evaluates whether the standby power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information of the standby power exchange station, and takes the standby power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the standby power exchange station accords with the power exchange requirement of the power exchange vehicle.
Preferably, the cloud platform controlling the electric vehicle to travel to the power exchange station includes: the cloud platform generates path information from the current position of the battery exchange vehicle to the position of the battery exchange station according to the position information of the battery exchange station and the current position information of the battery exchange vehicle, and sends the path information to the battery exchange vehicle through the second communication link so that the battery exchange vehicle moves to the battery exchange station according to the path information; or the cloud platform sends the position information of the battery exchange station to the battery exchange vehicle through the second communication link, so that the battery exchange vehicle takes the position information of the battery exchange station as current destination information and runs to the battery exchange station.
Preferably, the power exchanging station controls the power exchanging vehicle to travel to a power exchanging area through the second communication link to perform power exchanging operation, including: the power exchange station acquires the number of the preceding power exchange vehicles, and judges whether the power exchange vehicles need to travel to an idle parking space for waiting according to the number of the preceding power exchange vehicles; if the power change vehicle is judged not to need to travel to an idle parking space for waiting, the power change station sends a power change area to the power change vehicle through the second communication link, so that the power change vehicle travels to the power change area to perform power change operation; if the fact that the electric vehicle needs to travel to the idle parking space for waiting is judged, the electric vehicle is enabled to travel to the idle parking space for waiting through the electric vehicle, and after receiving an electric command of the electric vehicle, the electric vehicle travels to an electric exchanging area for electric exchanging operation.
Preferably, the power exchanging vehicle driving to the idle parking space for waiting, and driving to a power exchanging area for power exchanging after receiving a power exchanging instruction of the power exchanging station includes: and during the waiting period when the electric vehicle runs to the idle parking space, the electric power exchanging station monitors whether the preceding electric vehicle has completed electric power exchanging operation in real time, and when the preceding electric vehicle is monitored to complete electric power exchanging operation, sends an electric power exchanging instruction containing an electric power exchanging area to the electric power exchanging vehicle through the second communication link, so that the electric power exchanging vehicle runs to the electric power exchanging area to perform electric power exchanging operation.
Preferably, the power exchanging operation performed by the power exchanging vehicle traveling to the power exchanging area includes: when the power exchange station detects that the power exchange vehicle runs to a power exchange area, a position adjustment instruction is sent to the power exchange vehicle in real time through the second communication link, so that the power exchange vehicle is started to perform power exchange operation on the power exchange vehicle after the power exchange vehicle is stopped at a designated power exchange position in the power exchange area.
The invention provides an automatic power conversion system, which comprises:
the cloud platform is used for monitoring the electric quantity information of all registered electric quantity change vehicles in real time, and acquiring the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value; inquiring a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle, and controlling the power exchange vehicle to travel to the power exchange station; and when the fact that the electric vehicle runs to the electric vehicle exchange station area is monitored, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station;
and the power exchange station is used for establishing a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controlling the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
Preferably, the vehicle information includes a vehicle identifier, battery power information, a current position of the vehicle, a vehicle running direction, a vehicle type and a vehicle battery type; wherein the first communication link is 4G or 5G; the second communication link is V2X or 5G.
The invention has the advantages and positive effects that: under the unmanned operation scene of the closed area equipped with a power exchange station, the cloud end is used as a vehicle operation and power exchange dispatching center, the station end is used as a vehicle operation and power exchange control center, and a brand new vehicle-station-cloud unmanned operation and power exchange control system is formed by adopting a mode that the cloud end and the station end system are mutually matched, so that the power exchange efficiency of an automatic driving vehicle is improved.
Drawings
FIG. 1 is a flow chart of an automatic power conversion method provided by the invention;
FIG. 2 is a schematic diagram of an automatic power conversion system according to the present invention;
fig. 3 is a specific flowchart of an automatic power conversion method provided by the invention.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic diagram of an automatic power conversion method according to the present invention, as shown in fig. 1, including:
step S101: the cloud platform monitors the electric quantity information of all registered electric quantity change vehicles in real time, and acquires the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value;
step S102: the cloud platform inquires a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle and controls the power exchange vehicle to travel to the power exchange station;
step S103: when the cloud platform monitors that the electric vehicle is driven to the electric vehicle exchange station area, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station;
step S104: and the power exchange station establishes a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controls the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
Further, the first communication link is 4G or 5G; the second communication link is V2X or 5G; the vehicle information comprises a vehicle identifier, battery power information, a current position of the vehicle, a vehicle running direction, a vehicle type and a vehicle battery type; the cloud platform queries a battery exchange station corresponding to the battery exchange vehicle according to the vehicle information of the battery exchange vehicle, and comprises: the cloud platform queries a power exchange station which is most matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the vehicle information of the power exchange vehicle, and acquires the power exchange service information of the power exchange station through the first communication link; and the cloud platform evaluates whether the power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information, and takes the power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the power exchange station accords with the power exchange requirement of the power exchange vehicle.
Specifically, the power conversion service information includes the number of current power conversion vehicles to be converted, battery types, the number of each battery type and the current electric quantity of each battery, wherein the cloud platform evaluates whether the power conversion station accords with the power conversion requirement of the power conversion vehicles according to the power conversion service information includes: the cloud platform inquires whether the vehicle battery type exists in the battery types of the power exchange station; if the battery type of the power exchange station has the battery type of the vehicle, the cloud platform further judges whether the power exchange vehicle needs to exchange power at the power exchange station according to the number of the power exchange vehicles to be exchanged currently and the current electric quantity of each battery corresponding to the battery type, and evaluates that the power exchange station meets the power exchange requirement of the power exchange vehicle when judging that the power exchange vehicle needs to exchange power at the power exchange station; and if the battery type of the power exchange station does not have the vehicle battery type or the power exchange vehicle is judged not to need to exchange power at the power exchange station, the cloud platform evaluates that the power exchange station does not meet the power exchange requirement of the power exchange vehicle.
Further, after the cloud platform evaluates that the power conversion station does not meet the power conversion requirement of the power conversion vehicle, the cloud platform further includes: the cloud platform queries a standby power exchange station which is secondarily matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the electric quantity information of the power exchange vehicle, and acquires the power exchange service information of the standby power exchange station through the first communication link; and the cloud platform further evaluates whether the standby power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information of the standby power exchange station, and takes the standby power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the standby power exchange station accords with the power exchange requirement of the power exchange vehicle.
Specifically, the cloud platform controlling the battery exchange vehicle to travel to the battery exchange station includes: the cloud platform generates path information from the current position of the battery exchange vehicle to the position of the battery exchange station according to the position information of the battery exchange station and the current position information of the battery exchange vehicle, and sends the path information to the battery exchange vehicle through the second communication link so that the battery exchange vehicle moves to the battery exchange station according to the path information; or the cloud platform sends the position information of the battery exchange station to the battery exchange vehicle through the second communication link, so that the battery exchange vehicle takes the position information of the battery exchange station as current destination information and runs to the battery exchange station.
Specifically, the power exchange station controlling the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation includes: the power exchange station acquires the number of the preceding power exchange vehicles, and judges whether the power exchange vehicles need to travel to an idle parking space for waiting according to the number of the preceding power exchange vehicles; if the power change vehicle is judged not to need to travel to an idle parking space for waiting, the power change station sends a power change area to the power change vehicle through the second communication link, so that the power change vehicle travels to the power change area to perform power change operation; if the fact that the electric vehicle needs to travel to the idle parking space for waiting is judged, the electric vehicle is enabled to travel to the idle parking space for waiting through the electric vehicle, and after receiving an electric command of the electric vehicle, the electric vehicle travels to an electric exchanging area for electric exchanging operation.
Further, the power exchanging vehicle driving to the idle parking space for waiting, and driving to a power exchanging area for power exchanging after receiving a power exchanging instruction of the power exchanging station comprises the following steps: and during the waiting period when the electric vehicle runs to the idle parking space, the electric power exchanging station monitors whether the preceding electric vehicle has completed electric power exchanging operation in real time, and when the preceding electric vehicle is monitored to complete electric power exchanging operation, sends an electric power exchanging instruction containing an electric power exchanging area to the electric power exchanging vehicle through the second communication link, so that the electric power exchanging vehicle runs to the electric power exchanging area to perform electric power exchanging operation.
Specifically, the power exchanging operation performed by the power exchanging vehicle traveling to the power exchanging area includes: when the power exchange station detects that the power exchange vehicle runs to a power exchange area, a position adjustment instruction is sent to the power exchange vehicle in real time through the second communication link, so that the power exchange vehicle is started to perform power exchange operation on the power exchange vehicle after the power exchange vehicle is stopped at a designated power exchange position in the power exchange area.
Fig. 2 is a schematic diagram of an automatic power conversion system according to the present invention, as shown in fig. 2, including: the cloud platform is used for monitoring the electric quantity information of all registered electric quantity change vehicles in real time, and acquiring the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value; inquiring a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle, and controlling the power exchange vehicle to travel to the power exchange station; and when the fact that the electric vehicle runs to the electric vehicle exchange station area is monitored, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station; and the power exchange station is used for establishing a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controlling the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
The vehicle information comprises a vehicle identifier, battery power information, a current position of a vehicle, a vehicle running direction, a vehicle type and a vehicle battery type; wherein the first communication link is 4G or 5G; the second communication link is V2X or 5G.
Fig. 3 is a specific flowchart of an automatic power conversion method provided by the invention, as shown in fig. 3, in a closed operation area such as a mine, a dock and the like, a power conversion station is positioned at a core position of a vehicle-station-cloud integration, and the power conversion station naturally has the capabilities of cooperation with a cloud and controlling a vehicle, and has certain vehicle position sensing capability (parking auxiliary laser radar). If the automatic driving technology is introduced into the station control system, the power exchange station has the capability of guiding the operation of all unmanned vehicles in the area and carrying out power exchange scheduling under the cooperation of the cloud operation scheduling system, so that the cloud platform is helped to create a set of digital twin application of unmanned operation in a closed scene. The method specifically comprises the following steps:
step 1, a high-speed and stable transmission channel (such as 4G/5G) is established between a station control system of a power exchange station and a cloud platform;
step 2, a high-speed, stable and low-delay remote or near field communication link (such as V2X and 5G) is established between the station control system and the automatic driving vehicle;
it should be noted that the vehicle data transmitted by the battery exchange vehicle to the battery exchange station at least includes: vehicle speed, steering data, braking data, electric (throttle) data, gravity sensor data (vehicle body deflection), vehicle millimeter wave radar data; the vehicle data transmitted from the power exchange station to the power exchange vehicle at least comprises: steering control, braking control, electric door control, start/flameout, battery frame unlocking/locking; the data uploaded by the power exchange station to the cloud platform at least comprises: real-time vehicle position, in-station battery load, power conversion real-time data, nearby vehicle dispatch and in-station security data.
Step 3, the vehicle-mounted power-changing controller and the vehicle linear power control system establish communication (such as CAN and vehicle-mounted Ethernet);
the linear power controller of the vehicle is arranged on a battery-powered vehicle and is used for controlling the brake, the steering and the accelerator of the oil vehicle.
Step 4, the cloud platform dispatches all the operation vehicles in real time, monitors the battery state of the vehicles in real time, and guides the vehicles needing to change electricity to drive into the vicinity of changing electricity;
the cloud platform is an intelligent driving dispatching platform and has the capabilities of planning a vehicle path and issuing driving control, namely, the cloud platform monitors all vehicle states in an area in real time and uniformly dispatches the running tracks of all vehicles; and real-time control is performed on the real-time operation of all vehicles.
Based on the above, when the electric quantity of a certain vehicle is low, the cloud platform can actively plan a power exchange station which drives to the nearest (or lowest-load) vehicle, and control the vehicle to drive.
Step 5, the station control system takes over automatic driving of the vehicle, and plans an optimal path for the vehicle to drive to the electric vehicle changing position;
the station control system and the cloud platform have a handover process: when the vehicle approaches the power exchange station, the cloud platform informs the station control system to prepare for taking over the vehicle; after the station-side laser radar senses the vehicle, a path is planned for the vehicle according to the queuing condition, the obstacle or the personnel position condition of the station-side battery-powered vehicle:
a) When there is no obstacle, the minimum path is direct;
b) When the existing vehicle changes electricity, guiding the vehicle to drive into a certain waiting space;
c) When another vehicle is traveling in and out of the schedule, the vehicle is guided to wait where appropriate.
Step 6, the station control system fuses the laser radar data on the station and the vehicle-mounted radar data, and the vehicle is controlled to park along the optimal path in real time through V2X;
step 7, the station control system controls the vehicle and the station-mounted aerocar to start to change electricity;
and 8, after the power is replaced, the station control system guides the vehicle to drive away, and the cloud takes over the operation scheduling.
The invention comprises the operation steps of automatically generating a statistical order of a power change record by a power change station during automatic power change, and specifically comprises the following steps: when the power exchange station detects that a vehicle enters a station, a camera arranged in a battery bin photographs batteries on all battery bins in the battery bin to obtain first battery information; when the power exchange station detects that the vehicle is out of the station, a camera arranged in the battery compartment photographs the batteries on each battery compartment in the battery compartment to obtain second battery information; and the battery replacement station generates a battery replacement record statistical order of the vehicle by using the first battery information and the second battery information.
Further, the power exchange station further includes, when detecting that the vehicle is in the stop: the battery replacing station shoots the vehicle through a camera arranged outside a battery compartment, obtains license plate information, battery type information of the vehicle, battery appearance information of the vehicle and entering shooting time, and takes the license plate information, the battery type information of the vehicle and the battery appearance information of the vehicle as first entering information; the power exchange station receives the power deficiency battery number information, the power deficiency battery type information, the power deficiency battery electric quantity information and the user information uploaded by the vehicle terminal and takes the power deficiency battery electric quantity information and the user information as second incoming station information; the station exchange takes the first inbound information and the second inbound information as inbound information, and stores the inbound information.
Further, the power exchange station further includes, when detecting that the vehicle is out: the battery replacing station shoots the vehicle through a camera arranged outside a battery compartment, obtains license plate information, full battery type information, full battery appearance information and outbound shooting time of the vehicle, and takes the license plate information, the full battery type information, the full battery appearance information and the outbound shooting time as first outbound information; the battery replacement station receives full-charge battery number information, full-charge battery type information, full-charge battery electric quantity information and user information uploaded by the vehicle terminal and takes the full-charge battery number information, the full-charge battery type information, the full-charge battery electric quantity information and the user information as second outbound information; the power exchange station takes the first outbound information and the second outbound information as outbound information, and stores the outbound information.
It should be noted that when the power exchange station detects that the vehicle is located in the power exchange area, the vehicle is considered to be an inbound station; when the vehicle is detected to leave the power change area, the vehicle is considered to be out.
In addition, the number of cameras disposed within the battery compartment may be one or more; the number of cameras arranged outside the battery compartment can be one or more; and the battery type in the battery compartment may be one or more.
The battery information comprises battery appearance information, battery type information, battery number information, battery electric quantity information, charger working state indication information, battery BMS system state indication information, voltage and temperature information of each single battery core and TMS state indication information of the battery air conditioning system on each battery bin; the working state indication information of the charger comprises a normal working state indication and an abnormal working state indication; the state indication information of the battery BMS system includes a normal state indication and an abnormal state indication; the state indication information of the battery BMS system includes a normal state indication and an abnormal state indication.
Specifically, the generating, by the battery exchange station, a battery exchange record statistical order of the vehicle using the first battery information and the second battery information includes: the battery replacing station determines a battery bin in which the battery information changes by using the first battery information and the second battery information, and acquires the battery information on the battery bin according to the battery bin; the battery replacement station generates a battery replacement record statistical order of the vehicle according to the battery information on the battery bin; the battery bin comprises a first battery bin corresponding to a current full-power battery exchanged by the vehicle and a second battery bin corresponding to a previous full-power battery exchanged by the vehicle; the first battery compartment and the second battery compartment may be two different battery compartments or one and the same battery compartment.
Further, the battery exchanging station determining, by using the first battery information and the second battery information, a battery position in which the battery information changes includes: the battery replacement station judges whether the battery appearance information on each battery bin in the battery bin is changed according to the first battery information and the second battery information; and if the battery replacement station judges that the appearance information of the battery on each battery bin in the battery bin is changed, the battery bin with the changed battery appearance information is taken as the battery bin with the changed battery information.
Still further, the battery exchanging station determining, by using the first battery information and the second battery information, a battery position in which the battery information changes further includes: if the battery appearance information on each battery bin in the battery bin is not changed, the power exchange station further judges whether the battery power difference value on each battery bin in the battery bin exceeds a preset power difference value threshold; and if the battery replacement station judges that the battery power difference value of each battery bin in the battery bin exceeds the preset power difference value threshold, the battery bin with the battery power difference value exceeding the preset power difference value threshold is used as the battery bin with the battery information changed.
The generating, by the power exchange station, a power exchange record statistical order of the vehicle according to the battery information on the battery bin includes: the battery replacement station generates a battery replacement record statistical order of the vehicle according to the battery information on the first battery bin and the battery information on the second battery bin; the battery information at least comprises battery number information, battery type information, battery appearance information, battery electricity quantity information and state information used for indicating whether the battery is normally charged.
Further, the generating, by the power exchange station, a statistical order of a power exchange record of the vehicle according to the battery information on the battery bin further includes: the battery information on the first battery bin is subjected to first comparison with the stored incoming information by the battery exchange station to obtain a first comparison result; meanwhile, a second comparison result is obtained by carrying out second comparison on the battery information on the second battery bin and the stored outbound information; if the first comparison result and the second comparison result are the same, the power exchange station generates a power exchange record statistical order of the vehicle according to the battery information on the battery bin; the battery information at least comprises battery number information, battery type information, battery appearance information, battery electricity quantity information and state information used for indicating whether the battery is normally charged. The method and the device can further confirm the electricity change condition of the vehicle by comparing the electricity change condition with the pre-stored inbound information and outbound information, so that the statistics order of the electricity change is more accurate.
In addition, the method further comprises the step that the battery replacement station performs charging processing according to the battery replacement record statistics order of the vehicle.
The heavy truck power exchange station also comprises a device for monitoring whether the batteries in the battery bin are abnormal in real time, wherein a camera, a smoke temperature sensor and other devices are arranged on the station, the power exchange station is monitored in all directions, when a fire hazard is identified, hazard information can be timely reported to inform cloud workers, meanwhile, the camera marks the hazard bin, and the batteries on the left side and the right side of the power exchange station rapidly move to the two sides through the sliding rail, so that normal batteries are prevented from being swept, and loss is reduced. Meanwhile, the fire-fighting equipment is started to cool down and extinguish the fire of the dangerous battery. The method specifically comprises the following steps:
step S1: a certain battery in the battery bin is out of temperature and fires due to abnormal reasons;
step S2: the smoke temperature sensor recognizes fire, the alarm information is transmitted to the station control through the Ethernet, and the station control forwards the information to the cloud through the mqtt protocol.
And step S3, the cloud receives the station control alarm information, sends out a fire alarm and informs the attendees.
And S4, after receiving the information of the smoke temperature sensor, the station control identifies the dangerous battery bin position by calling an API (application program interface) of the camera, and transmits bin position information back to the station control, wherein the station control stores the dangerous battery bin position information and battery information on the corresponding bin position, including the sn number of the battery, the battery capacity and the like. And the cloud is reported through the event EVT_FIGHTING_BAT_DATA. And the cloud displays the dangerous battery information.
And S5, when the cloud personnel receives the fire alarm, the fire battery can be identified through the camera, and the normal battery is manually controlled to move away from the fire battery.
And S6, standing control is carried out through the position of the bin of the ignition battery, and the moving direction of the normal battery is judged. The principle of movement is to keep the normal battery as far away from the fire source as possible. And the outermost battery stops moving at a position ten cm away from the edge of the sliding rail, and the interval between the two batteries is less than five cm.
Further, the station control determines the moving direction and the moving distance of each normal battery according to the position of the fire battery bin and the position of each normal battery bin, and sends a moving instruction containing the moving direction and the moving distance to the pulley base corresponding to each normal battery, so that the pulley base corresponding to each normal battery moves the normal battery to a safe position area according to the moving direction and the moving distance in the moving instruction.
And S7, after all normal batteries stop moving and move to a safe position area, powering off all the chargers by the station control, and cooling and extinguishing the fire battery by controlling fire-fighting spraying above the bin of the corresponding fire battery.
And S8, the cloud personnel manually control a spraying system above the ignition battery to cool and extinguish the fire in the thermal power pond.
And S9, acquiring temperature data through a smoke temperature sensor, and controlling the aerocar plc to grasp the dangerous battery when the temperature data is recovered to normal temperature, transferring the dangerous battery into a fire-fighting bin outside the bin, and completely immersing the battery in water to prevent secondary ignition of the battery.
After all the chargers are powered off by the station control, the station control acquires current position information of the aerocar, generates a running track according to the position information and the position information of the ignition battery, sends the track information and the position information of the ignition battery to the aerocar plc, controls the aerocar plc to capture dangerous batteries when the aerocar reaches the position of the ignition position, and transfers the dangerous batteries to the fire-fighting cabin outside the cabin when the temperature data is recovered to normal temperature.
In conclusion, the cloud vehicle operation scheduling system and the power conversion scheduling system are directly communicated, so that the integration of software and hardware resources and the improvement of service comprehensive capacity are facilitated; the station end combines automatic driving control and power conversion control of the vehicle, so that the software and hardware cost of a plurality of systems is reduced, and the problem of multi-functional coordination is solved; the V2X is used for replacing WiFi to carry out communication between the vehicle and the station, so that the transmission quality of a data link is improved, the disconnection problem of a vehicle-mounted power conversion controller in power conversion is reduced, and the quality of power conversion service is improved; the automatic driving is calculated at the edge of the power exchange station, so that the network delay of communication with the vehicle is reduced, the control quality is improved, and the data safety is improved; the cloud vehicle operation system uniformly manages the vehicle identity information, and a station is not required to be provided with vehicle identity identification equipment (ticket identification and RFID), so that the cost of the station equipment is reduced; the station end is provided with the high-precision laser radar, and the vehicle end only needs to be provided with the millimeter wave radar with lower cost, so that the cost of vehicle end equipment is reduced; the cloud end and the station end system are mutually matched, so that the overall operation efficiency of a motorcade is improved (the cloud end schedules vehicle power conversion according to needs, and the station end prepares the power conversion environment in advance, and the like).
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and thus do not limit the scope of the claims of the present invention. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present invention shall fall within the scope of the appended claims.
Claims (10)
1. An automatic power conversion method, comprising:
the cloud platform monitors the electric quantity information of all registered electric quantity change vehicles in real time, and acquires the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value;
the cloud platform inquires a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle and controls the power exchange vehicle to travel to the power exchange station;
when the cloud platform monitors that the electric vehicle is driven to the electric vehicle exchange station area, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station;
and the power exchange station establishes a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controls the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
2. The method of claim 1, wherein the first communication link is 4G or 5G; the second communication link is V2X or 5G; the vehicle information comprises a vehicle identifier, battery power information, a current position of the vehicle, a vehicle running direction, a vehicle type and a vehicle battery type; the cloud platform queries a battery exchange station corresponding to the battery exchange vehicle according to the vehicle information of the battery exchange vehicle, and comprises:
the cloud platform queries a power exchange station which is most matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the vehicle information of the power exchange vehicle, and acquires the power exchange service information of the power exchange station through the first communication link;
and the cloud platform evaluates whether the power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information, and takes the power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the power exchange station accords with the power exchange requirement of the power exchange vehicle.
3. The method of claim 2, wherein the battery change service information includes a number of battery change vehicles currently to be changed, a battery type, a number of each battery type, and a current power level of each battery thereof, wherein the cloud platform evaluating whether the battery change station meets a battery change demand of the battery change vehicle according to the battery change service information includes:
the cloud platform inquires whether the vehicle battery type exists in the battery types of the power exchange station;
if the battery type of the power exchange station has the battery type of the vehicle, the cloud platform further judges whether the power exchange vehicle needs to exchange power at the power exchange station according to the number of the power exchange vehicles to be exchanged currently and the current electric quantity of each battery corresponding to the battery type, and evaluates that the power exchange station meets the power exchange requirement of the power exchange vehicle when judging that the power exchange vehicle needs to exchange power at the power exchange station;
and if the battery type of the power exchange station does not have the vehicle battery type or the power exchange vehicle is judged not to need to exchange power at the power exchange station, the cloud platform evaluates that the power exchange station does not meet the power exchange requirement of the power exchange vehicle.
4. The method of claim 3, wherein after the cloud platform evaluates that the power conversion station does not meet the power conversion requirements of the power conversion vehicle, further comprising:
the cloud platform queries a standby power exchange station which is secondarily matched with the current position of the vehicle and the running direction of the vehicle of the power exchange vehicle from a power exchange station database according to the electric quantity information of the power exchange vehicle, and acquires the power exchange service information of the standby power exchange station through the first communication link;
and the cloud platform further evaluates whether the standby power exchange station accords with the power exchange requirement of the power exchange vehicle according to the power exchange service information of the standby power exchange station, and takes the standby power exchange station as the power exchange station corresponding to the power exchange vehicle when evaluating that the standby power exchange station accords with the power exchange requirement of the power exchange vehicle.
5. The method of claim 4, wherein the cloud platform controlling the battery exchange vehicle to travel to the battery exchange station comprises:
the cloud platform generates path information from the current position of the battery exchange vehicle to the position of the battery exchange station according to the position information of the battery exchange station and the current position information of the battery exchange vehicle, and sends the path information to the battery exchange vehicle through the second communication link so that the battery exchange vehicle moves to the battery exchange station according to the path information; or alternatively
And the cloud platform sends the position information of the power exchange station to the power exchange vehicle through the second communication link, so that the power exchange vehicle takes the position information of the power exchange station as current destination information and runs to the power exchange station.
6. The method of claim 5, wherein the power exchange station controlling the power exchange vehicle to travel to a power exchange area via the second communication link for a power exchange operation comprises:
the power exchange station acquires the number of the preceding power exchange vehicles, and judges whether the power exchange vehicles need to travel to an idle parking space for waiting according to the number of the preceding power exchange vehicles;
if the power change vehicle is judged not to need to travel to an idle parking space for waiting, the power change station sends a power change area to the power change vehicle through the second communication link, so that the power change vehicle travels to the power change area to perform power change operation;
if the fact that the electric vehicle needs to travel to the idle parking space for waiting is judged, the electric vehicle is enabled to travel to the idle parking space for waiting through the electric vehicle, and after receiving an electric command of the electric vehicle, the electric vehicle travels to an electric exchanging area for electric exchanging operation.
7. The method of claim 6, wherein the power exchanging vehicle traveling to the free space for waiting and traveling to a power exchanging area for a power exchanging operation after receiving a power exchanging instruction of the power exchanging station comprises:
and during the waiting period when the electric vehicle runs to the idle parking space, the electric power exchanging station monitors whether the preceding electric vehicle has completed electric power exchanging operation in real time, and when the preceding electric vehicle is monitored to complete electric power exchanging operation, sends an electric power exchanging instruction containing an electric power exchanging area to the electric power exchanging vehicle through the second communication link, so that the electric power exchanging vehicle runs to the electric power exchanging area to perform electric power exchanging operation.
8. The method of claim 6, wherein the power-change vehicle traveling to a power-change area for a power-change operation comprises:
when the power exchange station detects that the power exchange vehicle runs to a power exchange area, a position adjustment instruction is sent to the power exchange vehicle in real time through the second communication link, so that the power exchange vehicle is started to perform power exchange operation on the power exchange vehicle after the power exchange vehicle is stopped at a designated power exchange position in the power exchange area.
9. An automatic power conversion system, comprising:
the cloud platform is used for monitoring the electric quantity information of all registered electric quantity change vehicles in real time, and acquiring the vehicle information of any electric quantity change vehicle when the electric quantity information of any electric quantity change vehicle is monitored to be lower than a preset electric quantity threshold value; inquiring a power exchange station corresponding to the power exchange vehicle according to the vehicle information of the power exchange vehicle, and controlling the power exchange vehicle to travel to the power exchange station; and when the fact that the electric vehicle runs to the electric vehicle exchange station area is monitored, sending a take-over request containing electric vehicle exchange information to the electric vehicle exchange station through a first communication link established with the electric vehicle exchange station;
and the power exchange station is used for establishing a second communication link with the power exchange vehicle according to the power exchange vehicle information in the take-over request, and controlling the power exchange vehicle to travel to a power exchange area through the second communication link to perform power exchange operation.
10. The method of claim 9, wherein the vehicle information includes a vehicle identification, battery level information, a current vehicle location, a vehicle direction of travel, a vehicle type, and a vehicle battery type; wherein the first communication link is 4G or 5G; the second communication link is V2X or 5G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311848643.7A CN117818536A (en) | 2023-12-29 | 2023-12-29 | Automatic power changing method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311848643.7A CN117818536A (en) | 2023-12-29 | 2023-12-29 | Automatic power changing method and system |
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| CN117818536A true CN117818536A (en) | 2024-04-05 |
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| CN202311848643.7A Pending CN117818536A (en) | 2023-12-29 | 2023-12-29 | Automatic power changing method and system |
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| CN (1) | CN117818536A (en) |
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- 2023-12-29 CN CN202311848643.7A patent/CN117818536A/en active Pending
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