CN110143155B - Battery management and control system of new energy automobile - Google Patents
Battery management and control system of new energy automobile Download PDFInfo
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- CN110143155B CN110143155B CN201910478878.9A CN201910478878A CN110143155B CN 110143155 B CN110143155 B CN 110143155B CN 201910478878 A CN201910478878 A CN 201910478878A CN 110143155 B CN110143155 B CN 110143155B
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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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention provides a battery management and control system of a new energy automobile, wherein the new energy automobile takes a storage battery as power energy; the system comprises: the system comprises a vehicle-mounted end and a network side server; the vehicle-mounted end is arranged on the new energy automobile; the vehicle-mounted end is provided with a battery monitoring module for monitoring the service condition of a storage battery on the new energy automobile; the vehicle-mounted end is also provided with a first positioning module used for acquiring first position information of the new energy automobile; the vehicle-mounted end transmits the service condition of the storage battery and the first position information to a network side server; and the network side server is used for sending the second position information of the battery station closest to the vehicle-mounted end according to the first position information when the service condition of the storage battery transmitted by the vehicle-mounted end meets the preset condition.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a battery management and control system of a new energy automobile.
Background
The new energy automobile is generally driven by electric energy, and is driven by adopting gasoline or diesel oil as power energy with the traditional automobile, so that the consumption of the traditional energy is effectively reduced, the emission of automobile tail gas is effectively avoided, and the air quality is improved.
However, at present, a storage battery on the new energy automobile is charged by adopting a fixed charging pile for charging the new energy automobile, so that the new energy automobile is very inconvenient to charge; the electric quantity stored by a storage battery on the new energy automobile is limited, so that the new energy automobile cannot run for a long distance;
therefore, a battery management and control system for a new energy automobile is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a battery management and control system of a new energy automobile, which is used for solving the problems that the new energy automobile is inconvenient to charge and cannot drive for a long distance in the prior art.
The embodiment of the invention provides a battery management and control system of a new energy automobile, which takes a storage battery as power energy; the system comprises: the system comprises a vehicle-mounted end and a network side server; wherein the content of the first and second substances,
the vehicle-mounted end is arranged on the new energy automobile; the vehicle-mounted end is provided with a battery monitoring module for monitoring the service condition of a storage battery on the new energy automobile; the vehicle-mounted end is also provided with a first positioning module used for acquiring first position information of the new energy automobile; the vehicle-mounted end transmits the use condition of the storage battery and the first position information to the network side server;
and the network side server is used for sending second position information of a battery station closest to the vehicle-mounted end according to the first position information when the service condition of the storage battery transmitted by the vehicle-mounted end meets a preset condition.
In one embodiment, the battery monitoring terminal is arranged in the battery station; a plurality of storage batteries used by the new energy automobile are stored in the battery station; and the battery monitoring end is provided with a second positioning module which is used for acquiring second position information of the battery station and transmitting the second position information to the network side server.
In one embodiment, the usage of the storage battery comprises charge information of the storage battery; the preset condition comprises that the electric quantity of the storage battery is lower than a preset electric quantity; or
The service condition of the storage battery comprises whether the storage battery is in failure; the preset condition includes that the storage battery is out of order.
In one embodiment, the vehicle-mounted terminal further comprises a display; the display is used for displaying the electric quantity information, the first position information and the second position information.
In one embodiment, the battery monitoring terminal further includes a storage battery counting module, configured to obtain quantity information of the storage batteries in the battery station, and transmit the quantity information to the network side server;
the system also comprises electronic equipment which is arranged at the staff;
the network side server is further configured to compare the received quantity information with preset quantity threshold information, and when the quantity information is lower than the preset quantity threshold information, the network side server transmits the quantity information and second position information to the electronic device;
the electronic equipment comprises one or more of a smart phone, a personal computer or a palm computer.
In one embodiment, a fixed charging pile is further arranged in the battery station, and is used for connecting a storage battery on the new energy automobile with the fixed charging pile by a user to supply power to the storage battery on the new energy automobile; the battery monitoring end also comprises a charging pile control module which is arranged on the fixed charging pile;
the network side server is further used for transmitting a power-off instruction to the battery monitoring terminal when the electric quantity information transmitted by the vehicle-mounted terminal is received and reaches preset full-power information; and the charging pile control module of the battery monitoring end is used for controlling the fixed charging pile to stop supplying power after receiving the transmitted power-off instruction.
In one embodiment, a safety lock device is also arranged in the battery station; the safety lock device is used for locking the storage battery in the battery station; the battery monitoring terminal also comprises a safety lock control module which is arranged on the safety lock device;
the system also comprises a user side; the user side is used for scanning the two-dimensional code on the battery station to establish communication connection with the network side server and transmitting a storage battery acquisition instruction to the network side server; the network side server is further used for transmitting collection code information to the user side when receiving the storage battery acquisition instruction transmitted by the user side; the user side is also used for paying according to the collection code information; the network side server transmits an unlocking instruction to the battery monitoring terminal after receiving the payment success information; after the safety lock control module of the battery monitoring end receives the unlocking instruction, the safety lock device is controlled to be opened;
the collection code information comprises a collection two-dimensional code and a collection amount;
the user side comprises one or more of a smart phone, a personal computer or a palm computer.
In one embodiment, before the user terminal transmits a storage battery acquisition instruction to the network side server, the user terminal performs security verification on the network side server;
the security verification of the user terminal to the network side server comprises the following steps:
the user side is used for encrypting the unique identification code of the user side through a public key and transmitting the encrypted identification code to the network side server;
the network side server is used for carrying out decryption operation on the encrypted unique identification code through a server private key to obtain the unique identification code; the network side server also comprises a random character code generating module; the random character code generating module is used for generating a random character code by the unique identification code according to a preset identification code generating character code operation method and transmitting the random character code to the user side;
the user side is used for carrying out decryption operation processing on the random character codes transmitted by the network side server through a user side private key, verifying the decrypted random character codes, and if the random character codes pass the verification, transmitting a storage battery acquisition instruction to the network side server by the user side; otherwise, the connection with the network side server is cut off.
In one embodiment, the battery monitoring terminal further comprises a camera module; the camera module is used for shooting when the safety lock control module receives the unlocking instruction and transmitting the acquired image information to the network side server;
the network side server processes and identifies the transmitted image information and extracts the license plate information in the image information; and comparing and matching the license plate information with a license plate database in the network side server, and judging whether the license plate information is legal or not.
In one embodiment, the network side server further comprises a memory; the memory is used for storing the battery information of all the storage batteries;
the memory also comprises an information type identification unit, a data type database and a text type database; the information type identification unit is used for identifying the type of a file in the battery information, transmitting the file of the data type in the battery information to the data type database, and transmitting the file of the text type in the battery information to the text type database; the data type database is used for storing and encrypting the data type files in the battery information and storing the encrypted data type files; the text type database is used for performing equivalent encryption operation on the text type file in the battery information and storing the encrypted text type file; the network side server stores the equivalent encryption algorithm and the key for storing the encryption algorithm;
the battery information comprises the unique identification code of the storage battery, the production date and the manufacturer information.
In one embodiment, the vehicle-mounted terminal further includes a dynamic monitoring terminal, the dynamic monitoring terminal is configured to monitor first location information and second location information in real time, and dynamically monitor, in real time, energy consumption required when the new energy vehicle arrives at the second location from the first location and electric quantity information of a storage battery on the new energy vehicle by calculation, and the specific steps are as follows:
the dynamic monitoring terminal comprises a dynamic data center, the dynamic data center is provided with preset indexes, the preset indexes at least comprise the distance between a first position and a second position, the average driving speed between the first position and the second position, and the probability of traffic accidents on roads between the first position and the second position, and the required time consumption of the new energy automobile from the first position to the second position can be calculated through a formula (1);
wherein T isnFor the required time consumption of the new energy automobile from the first position to the second position, S is the distance between the first position and the second position, v is the average driving speed of the vehicles at the first position and the second position, x is the total number of the current vehicles at the first position and the second position, tdAverage waiting time, σ, for the last ten traffic accidents between the first and second location saved in the system1Is the standard deviation, mu, of the waiting time of the last ten traffic accidents between the first and second location saved in the system1The time distance between the first position and the second position of the last traffic accident is the days of today, thd is the average value of the time of waiting for the traffic lights when the last 20 vehicles pass through the first position and the second position, and sigma2The standard deviation, mu, of the time waiting for a traffic light when the last 20 vehicles pass the first position and the second position2Dividing the number of vehicles which encounter red when the latest 20 vehicles pass through the first position and the second position by 20, wherein e is a natural constant, and pi is a circumferential rate;
then extracting the mass of the vehicle, and solving the energy consumption value between the first position and the second position by using a formula (2)
Wherein W is the energy consumption value between the first position and the second position, M is the mass of the vehicle, TnThe time required between the first position and the second position solved for equation (1), v being the average travel speed of the vehicle at the first position and the second position;
comparing the solved W with the electric quantity information of the storage battery on the new energy automobile, triggering an early warning function if the solved energy consumption value reaches 90% of the electric quantity information of the storage battery on the new energy automobile monitored in real time, and simultaneously starting a speed control system, wherein the speed control system controls the speed by using a formula (3), so that the effect of reducing energy consumption is achieved;
wherein v istIs the current speed, V, of the new energy automobilet-1When the system is controlled for the last time, the speed of the new energy automobile, theta is the gradient of the road on which the new energy automobile currently runs, g is the gravitational acceleration of the road on which the new energy automobile currently runs, delta t is the time interval between two operations of the control system, and is a value of 1-2S set by the system, by using a formula (3), the speed of the automobile can be controlled after the early warning function is triggered according to different environments, so that the automobile can keep running stably, and the energy-saving effect is achieved.
In one embodiment, the battery monitoring terminal further comprises a storage battery identification module; the storage battery identification module is used for acquiring the model information of the storage battery on the new energy automobile and transmitting the model information to the network side server; and the network side server transmits the model information of the storage battery to the vehicle-mounted end.
In one embodiment, the battery monitoring terminal further comprises a storage module and a playing module;
the storage battery identification module is also used for acquiring the model information of all storage batteries in the battery station and transmitting the model information to the storage module for storage;
the battery monitoring end is also used for comparing the model information of the storage battery on the new energy automobile with the model information of all the storage batteries in the storage module, and controlling the playing module to play a first prompt voice when the comparison is consistent; and when the comparison is inconsistent, controlling the playing module to play the second prompt voice.
In one embodiment, a battery installation device is further arranged on the new energy automobile;
the battery installation device is used for placing a storage battery for providing electric energy for the new energy automobile and comprises a hollow shell and a sealing cover body connected to the top of the hollow shell;
a sliding track is arranged on the side wall inside the hollow shell, and a convex block is arranged at one end of the sliding track; the sealing cover body is connected with the sliding track in a sliding manner; and a grip is arranged on the outer side of the sealing cover body.
In one embodiment, the battery monitoring terminal further comprises a battery pushing module;
the battery pushing module comprises a controller and a battery pushing device;
the controller is used for selecting the storage battery with the same model information as the storage battery on the new energy automobile from the battery station and transmitting pushing information to the battery pushing device when the battery monitoring end detects that the model information of the storage battery on the new energy automobile is consistent with the model information of the storage battery stored in the storage module;
the battery pushing device is arranged at the bottom of a storage battery in the battery station; the battery pushing device comprises a microcontroller, a driving motor, a roller and a bearing platform; the bearing platform is used for placing the storage battery; a roller is arranged below the bearing platform; the microcontroller is electrically connected with the driving motor and the roller; and the microcontroller is used for controlling the driving motor to drive the roller to drive the new energy automobile after receiving the pushing information transmitted by the controller.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a battery management and control system of a new energy vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a battery installation device of a battery management and control system of a new energy vehicle according to the present invention;
fig. 3 is a side view of a battery installation apparatus of a battery management and control system of a new energy vehicle according to the present invention;
fig. 4 is a schematic structural diagram of a battery pushing device of a battery management and control system of a new energy vehicle according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a battery management and control system of a new energy automobile, wherein the new energy automobile takes a storage battery as power energy; a system, as shown in fig. 1, comprising: a vehicle-mounted terminal 11 and a network side server 12; wherein the content of the first and second substances,
the vehicle-mounted end 11 is arranged on the new energy automobile; the vehicle-mounted end 11 is provided with a battery monitoring module 111 for monitoring the service condition of a storage battery on the new energy automobile; the vehicle-mounted end 11 is further provided with a first positioning module 112, which is used for acquiring first position information of the new energy automobile; the vehicle-mounted terminal 11 transmits the use condition of the storage battery and the first position information to the network side server 12;
and the network side server 12 is configured to send, to the vehicle-mounted terminal 11, second location information of a battery station closest to the vehicle-mounted terminal 11 according to the first location information when the service condition of the storage battery transmitted by the vehicle-mounted terminal 11 meets a preset condition.
The working principle of the system is as follows: the vehicle-mounted terminal 11 transmits the use condition of the storage battery on the new energy vehicle, acquired by the electric quantity monitoring module 111, and the first position information of the new energy vehicle, acquired by the first positioning module 112, to the network-side server 12;
the network side server 12 compares the transmitted service condition of the storage battery with a preset condition, when the service condition of the storage battery meets the preset condition, the network side server 12 sends second position information of a battery station closest to the vehicle-mounted terminal 11 according to the first position information, and a user drives the new energy automobile to go to the battery station to replace the battery according to the second position information displayed by the vehicle-mounted terminal 11.
The beneficial effect of above-mentioned system lies in: the method comprises the steps that the use condition of a storage battery on the new energy automobile is obtained through an electric quantity monitoring module of a vehicle-mounted end, and first position information of the new energy automobile is obtained through a first positioning module of the vehicle-mounted end; the service condition of the storage battery on the new energy automobile is automatically detected by comparing the service condition of the storage battery with a preset condition in a network side server, and when the service condition of the storage battery meets the preset condition, second position information of a battery station closest to the vehicle-mounted end is transmitted to the vehicle-mounted end; therefore, when the use condition of the storage battery on the new energy automobile driven by the user meets the preset condition, the second position information of the battery station closest to the current position of the user is automatically transmitted to the user, and the user can drive the new energy automobile to the battery station in time to replace the storage battery conveniently; the system solves the inconvenience that the new energy automobile can only be charged by adopting the fixed charging pile in the traditional technology, adopts the replaceable storage battery to supply power to the new energy automobile, and solves the defect that the new energy automobile cannot be driven for a long distance due to limited electric quantity in the traditional technology by arranging the battery station; in conclusion, the system not only solves the problems that the new energy automobile is inconvenient to charge and cannot run for a long distance in the prior art, but also realizes the function of automatically transmitting the position of the battery station to a user when the service condition of the storage battery on the new energy automobile meets the preset condition, and further facilitates the wide application of the new energy automobile in the market.
In one embodiment, the battery monitoring terminal is arranged in the battery station; a plurality of storage batteries used by the new energy automobile are stored in the battery station; and the battery monitoring end is provided with a second positioning module for acquiring second position information of the battery station and transmitting the second position information to the network side server. In the technical scheme, the second positioning module is used for acquiring the second position information of the battery station by the network side server; and the user can further conveniently acquire the second position information of the battery station closest to the vehicle-mounted end.
In one embodiment, the usage of the battery includes information on the charge level of the battery; the preset condition comprises that the electric quantity of the storage battery is lower than the preset electric quantity; according to the technical scheme, the electric quantity information is compared with the preset electric quantity, the automatic detection of the electric quantity information of the storage battery of the new energy automobile is achieved, when the electric quantity information of the storage battery is lower than the preset electric quantity, the second position information of the battery station closest to the vehicle-mounted end is transmitted to the vehicle-mounted end, and the user drives the new energy automobile to move to the battery station to replace the battery according to the second position information.
In one embodiment, the usage of the battery includes whether the battery is malfunctioning; the preset condition includes a failure of the battery. According to the technical scheme, whether the storage battery breaks down or not is judged, when the storage battery breaks down, second position information of the battery station closest to the vehicle-mounted end is transmitted to the vehicle-mounted end, and a user drives the new energy automobile to go to the battery station to maintain the storage battery according to the second position information.
In one embodiment, the vehicle-mounted terminal further comprises a display; and the display is used for displaying the electric quantity information, the first position information and the second position information. According to the technical scheme, the electric quantity information, the first position information and the second position information are displayed to a user at the vehicle-mounted end through the display; and the user can drive the new energy automobile to go to the battery station corresponding to the second position information according to the information displayed by the display to replace the storage battery.
In one embodiment, the battery monitoring terminal further comprises a storage battery counting module, which is used for acquiring the quantity information of the storage batteries in the battery station and transmitting the quantity information to the network side server;
the system also comprises electronic equipment which is arranged at the position of a worker;
the network side server is further used for comparing the received quantity information with preset quantity threshold information, and when the quantity information is lower than the preset quantity threshold information, the network side server transmits the quantity information and second position information to the electronic equipment;
electronic equipment including one or more of a smartphone, a personal computer, or a palm-top computer. In the technical scheme, the storage battery counting module is used for acquiring the quantity information of the storage batteries in the battery station and transmitting the quantity information to the network side server; the network side server compares the received quantity information with preset quantity threshold information (for example, the number of the preset quantity threshold information is 1), and when the quantity information is lower than the preset quantity threshold information, the quantity information and the second position information of the battery station are transmitted to the electronic equipment, and a worker is timely informed to go to the battery station to supplement the storage battery, so that the normal operation of the system is prevented from being influenced.
In one embodiment, a fixed charging pile is further arranged in the battery station, and is used for connecting a storage battery on the new energy automobile with the fixed charging pile by a user to supply power to the storage battery on the new energy automobile;
the battery monitoring end also comprises a charging pile control module which is arranged on the fixed charging pile;
the network side server is also used for transmitting a power-off instruction to the battery monitoring terminal when the electric quantity information transmitted by the vehicle-mounted terminal is received and reaches the preset full-electricity information; and the charging pile control module of the battery monitoring end is used for controlling the fixed charging pile to stop supplying power after receiving the transmitted power-off instruction. According to the technical scheme, the charging of the storage battery on the new energy automobile is realized through the fixed charging pile when the user is in idle, the inconvenience of changing the storage battery by the user is avoided, the real-time monitoring of the storage battery electric quantity on the new energy automobile is realized through the electric quantity information transmitted by the vehicle-mounted end, when the electric quantity of the storage battery is detected to reach full electricity, the power-off instruction is transmitted to the charging pile control module of the battery monitoring end to control the fixed charging pile to stop supplying power, and therefore the power supply of the system to the storage battery on the new energy automobile at night or in idle time of the user is realized.
In one embodiment, a safety lock device is also arranged in the battery station; the safety lock device is used for locking the storage batteries in the battery station; the battery monitoring terminal also comprises a safety lock control module which is arranged on the safety lock device;
the system also comprises a user side; the user side is used for scanning the two-dimensional code on the battery station to establish communication connection with the network side server and transmitting a storage battery acquisition instruction to the network side server; the network side server is also used for transmitting the collection code information to the user side when receiving the storage battery acquisition instruction transmitted by the user side; the user side is also used for paying according to the collection code information; the network side server transmits an unlocking instruction to the battery monitoring terminal after receiving the payment success information; after a safety lock control module of the battery monitoring end receives an unlocking instruction, the safety lock device is controlled to be opened;
the collection code information comprises a collection two-dimensional code and a collection amount;
and the user side comprises one or more of a smart phone, a personal computer or a palm computer. In the technical scheme, a user drives a new energy automobile to arrive in a battery station, the user scans a two-dimensional code on the battery station through a user side to establish communication connection with a network side server, the user side transmits a storage battery acquisition instruction to the network side server, the network side server transmits collection code information to the user side after receiving the storage battery acquisition instruction, the user side pays according to the collection code information, the network side server transmits an unlocking instruction to a safety lock control module of a battery monitoring end after receiving successful payment information, and the safety lock control module controls a safety lock device to be opened, so that the user can acquire the storage battery in the battery station; according to the technical scheme, information interaction between the user side and the network side server is achieved through the two-dimensional code, the user can conveniently acquire the storage battery, meanwhile, the storage battery is protected through the safety lock device, and damage and theft of illegal personnel to the storage battery are avoided.
In one embodiment, before the user terminal transmits the storage battery acquisition instruction to the network side server, the user terminal performs security verification on the network side server;
the security verification of the user terminal to the network side server comprises the following steps:
the user side is used for encrypting the unique identification code of the user side through a public key and transmitting the encrypted identification code to the network side server;
the network side server is used for carrying out decryption operation on the encrypted unique identification code through a server private key to obtain the unique identification code; the network side server also comprises a random character code generating module; the random character code generating module is used for generating a random character code by the unique identification code according to a preset identification code generating character code operation method and transmitting the random character code to the user side;
the user side is used for carrying out decryption operation processing on the random character codes transmitted by the network side server through a user side private key, verifying the decrypted random character codes, and if the random character codes pass the verification, transmitting a storage battery acquisition instruction to the network side server; otherwise, the connection with the network side server is cut off. According to the technical scheme, the network side server is subjected to security verification before the user side transmits the storage battery acquisition instruction to the network side server, the user side encrypts the public key of the unique identification code and transmits the encrypted unique identification code to the background server, the background server decrypts the encrypted unique identification code through the server private key and converts the unique identification code into the random character code through the random character code generating module to transmit the random character code to the user side, and the user side decrypts the random character code through the user side private key and verifies the random character code, so that the security verification of the user side server on the network side is realized, and the user side is prevented from scanning other illegal two-dimensional codes and affecting the normal use of the user.
In one embodiment, the battery monitoring terminal further comprises a camera module; the camera module is used for shooting when the safety lock control module receives an unlocking instruction and transmitting the acquired image information to the network side server;
the network side server processes and identifies the transmitted image information and extracts the license plate information in the image information; and comparing and matching the license plate information with a license plate database in a network side server, and judging whether the license plate information is legal or not. According to the technical scheme, when a user acquires the storage battery, the image information of the new energy automobile of the acquired storage battery is acquired through the camera module; and the acquired image information is identified by the processor through the network side server to acquire the license plate information of the new energy automobile, and the license plate information is compared with the license plate database to judge whether the new energy automobile is a legal automobile, so that the legal judgment of the system on the acquired new energy automobile with the storage battery is realized, and the improvement of social security is facilitated.
In one embodiment, the network side server further comprises a memory; a memory for storing cell information of all the storage cells;
the memory also comprises an information type identification unit, a data type database and a text type database; the information type identification unit is used for identifying the type of the file in the battery information, transmitting the file of the data type in the battery information to the data type database and transmitting the file of the text type in the battery information to the text type database; the data type database is used for storing and encrypting the data type files in the battery information and storing the data type files after encryption operation; the text type database is used for carrying out equivalent encryption operation on the text type file in the battery information and storing the encrypted text type file; the network side server stores an equivalent encryption algorithm and a key for storing the encryption algorithm;
and the battery information comprises the unique identification code of the storage battery, the production date and the manufacturer information. According to the technical scheme, the battery information of the storage battery is stored in the storage device, so that the staff can conveniently acquire the battery information of the storage battery; the identification of the file type of the w file in the battery information is realized through an information type identification unit in the memory, and the file of the text type and the file of the data type in the battery information are respectively transmitted to a text type database and a data type database for storage; the text type database stores the files of the text type after carrying out equivalent encryption operation, and the data type database stores the files of the data type after carrying out storage encryption operation; according to the technical scheme, the files are classified and stored according to the file types through the information type identification unit, the text type files and the data type files are classified and stored, the space occupied by the storage of the battery information in the storage is effectively reduced, different encryption algorithms are adopted for the files of different file types in the battery information through the data type database and the text type database, and the safety of the storage of the battery information is effectively guaranteed.
In one embodiment, the vehicle-mounted terminal further includes a dynamic monitoring terminal, the dynamic monitoring terminal is used for monitoring the first position information and the second position information in real time, and performing real-time dynamic monitoring and early warning on the energy consumption required when the obtained new energy vehicle arrives at the second position from the first position and the electric quantity information of a storage battery on the new energy vehicle through calculation, and the method specifically includes the following steps:
the monitoring end comprises a dynamic data center, the dynamic data center has indexes such as the distance between a first position and a second position, the average driving speed between the first position and the second position, the probability of traffic accidents on roads between the first position and the second position, and the like, and the required time consumption between the first position and the second position can be calculated through a formula (1);
wherein T isnFor the required elapsed time between the first position and the second position, S is the distance between the first position and the second position, v is the average speed of the vehicle at the first position and the second position, x is the total number of vehicles present between the first position and the second position, tdAverage waiting time, σ, for a traffic accident between a first location and a second location1Is the standard deviation, mu, of traffic accidents within half a year1Expected value, t, for half a year traffic accidentshdWaiting time of average red light, σ2Standard deviation of red light, mu2E is a natural constant, pi is a circumferential rate; the time consumption required for solving by using the formula (1) is not simply distance divided by speed, but fully considers the on-road conditionThe conditions of traffic accidents of road sections, traffic lights of road sections and the like are considered in various conditions possibly met in the sections.
Then extracting the mass of the vehicle, and solving the energy consumption value between the first position and the second position by using a formula (2)
Wherein W is the energy consumption value between the first and second positions, M is the mean value of the vehicle, TnThe time required between the first position and the second position solved for equation (1), v being the average travel speed of the vehicle at the first position and the second position; the energy consumption of different vehicles between the first position and the second position can be solved by using the formula (2), and the characteristics of each vehicle are fully considered.
Comparing the solved W with the electric quantity information of the storage battery on the new energy automobile, triggering an early warning function if the solved energy consumption value reaches 90% of the electric quantity information of the storage battery on the new energy automobile monitored in real time, and simultaneously starting a speed control system, wherein the speed control system controls the speed by using a formula (3), so that the effect of reducing energy consumption is achieved;
wherein v istNode velocity, V, for the current timet-1In order to control the speed by using the formula (3), not only the speed is not changed when the speed is equal to the average speed of the first position and the second position, but also the acceleration of the vehicle is controlled according to the difference between the road gradient and the gravity acceleration of the environment when the vehicle is accelerated,therefore, corresponding stability can be kept during acceleration, meanwhile, after the speed exceeds the average speed, corresponding automatic deceleration control can be adopted, the vehicle can be promoted to run at a constant speed by using the average speed between the first position and the second position as much as possible, and meanwhile, the influence of the environment on the acceleration of the vehicle is considered during speed change.
The technology is used for early warning, the problem that the distance between the first position and the second position is large when battery information is monitored, or the environment is not considered enough when the battery information is monitored, and early warning is performed by using a fixed value is solved, the real-time dynamic monitoring and early warning functions in various different environments are fully considered, and meanwhile, the technology is used for speed control, so that the vehicle quantity is stable, and the energy-saving effect is achieved.
In one embodiment, the battery monitoring terminal further comprises a storage battery identification module; the storage battery identification module is used for acquiring the model information of the storage battery on the new energy automobile and transmitting the model information to the network side server; the network side server transmits the model information of the storage battery to the vehicle-mounted end; according to the technical scheme, the storage battery type on the new energy automobile is identified through the storage battery identification module, and the storage battery type is transmitted to the vehicle-mounted end through the network side server to be displayed, so that a user can conveniently select the storage battery in the battery station to replace the storage battery.
In one embodiment, the battery monitoring terminal further comprises a storage module and a playing module;
the storage battery identification module is also used for acquiring the model information of all storage batteries in the battery station and transmitting the model information to the storage module for storage;
the battery monitoring end is also used for comparing the model information of the storage battery on the new energy automobile with the model information of all the storage batteries in the storage module, and controlling the playing module to play the first prompt voice when the comparison is consistent; and when the comparison is inconsistent, controlling the playing module to play the second prompt voice. In the technical scheme, the battery monitoring terminal compares the model information of the storage battery on the new energy automobile with the model information of all storage batteries in the battery station in the storage module, judges whether the storage batteries with the models consistent with the models of the storage batteries on the new energy automobile exist in the battery station, and controls the playing module to play a first prompt voice (for example, the comparison is successful and the storage batteries are required to be replaced) when the comparison is consistent; and when the comparison is inconsistent, controlling the playing module to play a second prompt voice (for example, if the comparison fails, please go to other battery stations to replace the storage battery).
In one embodiment, the new energy automobile is also provided with a battery installation device;
a battery mounting device, as shown in fig. 2-3, for placing a storage battery for supplying electric energy to a new energy automobile, the battery mounting device includes a hollow housing 21 and a sealing cover 22 connected to the top of the hollow housing 21;
a sliding rail 23 is arranged on the side wall inside the hollow shell 21, and a convex block 24 is arranged at one end of the sliding rail 23; the sealing cover body 22 is connected with the sliding track 23 in a sliding way; a grip 25 is provided on the outer side of the sealing cap 22. In the above technical solution, when replacing the storage battery, the worker holds the handle 25 with a hand, pushes the sealing cover 22 along the sliding rail 23 to a side away from the protrusion 24, so as to open the hollow casing 21, takes out the storage battery in the hollow casing 21, replaces the fully charged storage battery, and holds the handle 25 with a hand again, pushes the sealing cover 22 along the sliding rail 23 to a side of the protrusion 24, so as to close the hollow casing 21.
In one embodiment, the battery is connected with a driving system of the vehicle body through a plug-in mechanism and used for supplying power to the driving system;
wherein, grafting mechanism includes: the fixing component is arranged on the vehicle body and is of a circular structure, a groove is formed in the circular structure, a through hole is formed in the middle of the groove, and a power supply interface is arranged in the through hole;
the power interface includes: the plug penetrates through the through hole from inside to outside and is inserted into a charging socket arranged on the vehicle body, the plug is matched with the charging socket, the fixing body is arranged around the plug and used for fixing the plug, two ends of the connecting line are respectively connected with the battery and the plug, and the connecting line is arranged between the battery and the plug.
In one embodiment, the battery monitoring terminal further comprises a battery pushing module;
the battery pushing module comprises a controller and a battery pushing device;
the controller (for example, the controller with the model of ATMEGA 16) is used for selecting the storage battery with the model information same as that of the storage battery on the new energy automobile from the battery station and transmitting pushing information to the battery pushing device when the battery monitoring end detects that the model information of the storage battery on the new energy automobile is consistent with the model information of the storage battery stored in the storage module;
the battery pushing device is arranged at the bottom of a storage battery in the battery station; the battery pushing device, as shown in fig. 4, includes a microcontroller (for example, a controller with model H8 SX/1648) 31, a driving motor 32, a roller 33 and a carrying platform 34; a bearing platform 34 for placing the storage battery; a roller 33 is arranged below the bearing platform 34; the microcontroller 31 is electrically connected with the driving motor 32 and the roller 33; and the microcontroller 31 is used for controlling the driving motor 32 to drive the roller 33 to drive the new energy automobile to run after receiving the pushing information transmitted by the controller. According to the technical scheme, the controller is used for transmitting the pushing information to the battery pushing device when the model information of the storage battery on the new energy automobile is consistent with the model information of the storage battery in the storage module; after receiving the pushing information, the microcontroller 31 of the battery pushing device controls the driving motor 32 to drive the roller 33 to drive the new energy vehicle to travel, so that the function of automatically pushing the battery of the system is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (13)
1. The battery management and control system of the new energy automobile is characterized in that the new energy automobile takes a storage battery as power energy; the system comprises: the system comprises a vehicle-mounted end and a network side server; wherein the content of the first and second substances,
the vehicle-mounted end is arranged on the new energy automobile; the vehicle-mounted end is provided with a battery monitoring module for monitoring the service condition of a storage battery on the new energy automobile; the vehicle-mounted end is also provided with a first positioning module used for acquiring first position information of the new energy automobile; the vehicle-mounted end transmits the use condition of the storage battery and the first position information to the network side server;
the network side server is used for sending second position information of a battery station closest to the vehicle-mounted end according to the first position information when the service condition of the storage battery transmitted by the vehicle-mounted end is received and meets a preset condition;
the service condition of the storage battery comprises the electric quantity information of the storage battery; the preset condition comprises that the electric quantity of the storage battery is lower than a preset electric quantity; or
The service condition of the storage battery comprises whether the storage battery is in failure; the preset condition comprises that the storage battery has a fault;
the vehicle-mounted end further comprises a dynamic monitoring end, the dynamic monitoring end is used for monitoring first position information and second position information in real time, and dynamically monitoring energy consumption required when the obtained new energy automobile reaches the second position from the first position and electric quantity information of a storage battery on the new energy automobile in real time through calculation, and the method comprises the following specific steps:
the dynamic monitoring terminal comprises a dynamic data center, the dynamic data center is provided with preset indexes, the preset indexes at least comprise the distance between a first position and a second position, the average driving speed between the first position and the second position, and the probability of traffic accidents on roads between the first position and the second position, and the required time consumption of the new energy automobile from the first position to the second position can be calculated through a formula (1);
wherein
The required time consumption of the new energy automobile from the first position to the second position is represented by S, the distance between the first position and the second position, v, the average running speed of the vehicle at the first position and the second position,
is the current total number of vehicles between the first location and the second location,
for the average waiting time of the last ten traffic accidents between the first and second locations saved in the system,
for the standard deviation of the waiting time of the last ten traffic accidents between the first location and the second location saved in the system,
the time distance between the first location and the second location at which the traffic accident occurred last time is the number of days today,
the average of the time waiting for traffic lights when the last 20 vehicles passed the first and second locations,
the standard deviation of the time waiting for the traffic light when the last 20 vehicles pass through the first position and the second position,
the number of vehicles which hit the red light when the last 20 vehicles pass through the first position and the second position is divided by 20, e is a natural constant,
is the circumferential ratio;
then extracting the mass of the vehicle, and solving the energy consumption value between the first position and the second position by using a formula (2)
Wherein
Is the amount of energy consumed between the first location and the second location,
is the mass of the vehicle in question,
the time required between the first position and the second position solved for equation (1), v being the average travel speed of the vehicle at the first position and the second position;
comparing the solved W with the electric quantity information of the storage battery on the new energy automobile, triggering an early warning function if the solved energy consumption value reaches 90% of the electric quantity information of the storage battery on the new energy automobile monitored in real time, and simultaneously starting a speed control system, wherein the speed control system controls the speed by using a formula (3), so that the effect of reducing energy consumption is achieved;
wherein
As for the current speed of the new energy automobile,
the speed of the new energy automobile is controlled by the control system at the last time,
the gradient of the road on which the new energy automobile runs currently,
is the gravitational acceleration of the road currently being traveled,
in order to control the time interval between two operations of the system and the value of 1-2S set for the system, the formula (3) is utilized, so that the vehicle speed can be controlled after the early warning function is triggered according to different environments, and the vehicle speed is kept to run stably, thereby achieving the energy-saving effect.
2. The system of claim 1, further comprising:
the battery monitoring end is arranged in the battery station; a plurality of storage batteries used by the new energy automobile are stored in the battery station; and the battery monitoring end is provided with a second positioning module which is used for acquiring second position information of the battery station and transmitting the second position information to the network side server.
3. The system of claim 1,
the vehicle-mounted end also comprises a display; the display is used for displaying the electric quantity information, the first position information and the second position information.
4. The system of claim 2,
the battery monitoring terminal also comprises a storage battery counting module which is used for acquiring the quantity information of the storage batteries in the battery station and transmitting the quantity information to the network side server;
the system also comprises electronic equipment which is arranged at the position of a worker;
the network side server is further configured to compare the received quantity information with preset quantity threshold information, and when the quantity information is lower than the preset quantity threshold information, the network side server transmits the quantity information and second position information to the electronic device;
the electronic equipment comprises one or more of a smart phone, a personal computer or a palm computer.
5. The system of claim 2,
a fixed charging pile is further arranged in the battery station and used for connecting a storage battery on the new energy automobile with the fixed charging pile by a user and supplying power to the storage battery on the new energy automobile; the battery monitoring end also comprises a charging pile control module which is arranged on the fixed charging pile;
the network side server is further used for transmitting a power-off instruction to the battery monitoring terminal when the electric quantity information transmitted by the vehicle-mounted terminal is received and reaches preset full-power information; and the charging pile control module of the battery monitoring end is used for controlling the fixed charging pile to stop supplying power after receiving the transmitted power-off instruction.
6. The system of claim 2,
a safety lock device is also arranged in the battery station; the safety lock device is used for locking the storage battery in the battery station; the battery monitoring terminal also comprises a safety lock control module which is arranged on the safety lock device;
the system also comprises a user side; the user side is used for scanning the two-dimensional code on the battery station to establish communication connection with the network side server and transmitting a storage battery acquisition instruction to the network side server; the network side server is further used for transmitting collection code information to the user side when receiving the storage battery acquisition instruction transmitted by the user side; the user side is also used for paying according to the collection code information; the network side server transmits an unlocking instruction to the battery monitoring terminal after receiving the payment success information; after the safety lock control module of the battery monitoring end receives the unlocking instruction, the safety lock device is controlled to be opened;
the collection code information comprises a collection two-dimensional code and a collection amount;
the user side comprises one or more of a smart phone, a personal computer or a palm computer.
7. The system of claim 6,
before the user terminal transmits a storage battery acquisition instruction to the network side server, the user terminal performs security verification on the network side server;
the security verification of the user terminal to the network side server comprises the following steps:
the user side is used for encrypting the unique identification code of the user side through a public key and transmitting the encrypted identification code to the network side server;
the network side server is used for carrying out decryption operation on the encrypted unique identification code through a server private key to obtain the unique identification code; the network side server also comprises a random character code generating module; the random character code generating module is used for generating a random character code by the unique identification code according to a preset identification code generating character code operation method and transmitting the random character code to the user side;
the user side is used for carrying out decryption operation processing on the random character codes transmitted by the network side server through a user side private key, verifying the decrypted random character codes, and if the random character codes pass the verification, transmitting a storage battery acquisition instruction to the network side server by the user side; otherwise, the connection with the network side server is cut off.
8. The system of claim 6,
the battery monitoring end also comprises a camera module; the camera module is used for shooting when the safety lock control module receives the unlocking instruction and transmitting the acquired image information to the network side server;
the network side server processes and identifies the transmitted image information and extracts the license plate information in the image information; and comparing and matching the license plate information with a license plate database in the network side server, and judging whether the license plate information is legal or not.
9. The system of claim 1,
the network side server also comprises a memory; the memory is used for storing the battery information of all the storage batteries;
the memory also comprises an information type identification unit, a data type database and a text type database; the information type identification unit is used for identifying the type of a file in the battery information, transmitting the file of the data type in the battery information to the data type database, and transmitting the file of the text type in the battery information to the text type database; the data type database is used for storing and encrypting the data type files in the battery information and storing the encrypted data type files; the text type database is used for performing equivalent encryption operation on the text type file in the battery information and storing the encrypted text type file; the network side server stores an equivalent encryption algorithm and a key for storing the encryption algorithm;
the battery information comprises the unique identification code of the storage battery, the production date and the manufacturer information.
10. The system of claim 2,
the battery monitoring end also comprises a storage battery identification module; the storage battery identification module is used for acquiring the model information of the storage battery on the new energy automobile and transmitting the model information to the network side server; and the network side server transmits the model information of the storage battery to the vehicle-mounted end.
11. The system of claim 10,
the battery monitoring terminal also comprises a storage module and a playing module;
the storage battery identification module is also used for acquiring the model information of all storage batteries in the battery station and transmitting the model information to the storage module for storage;
the battery monitoring end is also used for comparing the model information of the storage battery on the new energy automobile with the model information of all the storage batteries in the storage module, and controlling the playing module to play a first prompt voice when the comparison is consistent; and when the comparison is inconsistent, controlling the playing module to play the second prompt voice.
12. The system of claim 1,
the new energy automobile is also provided with a battery installation device;
the battery installation device is used for placing a storage battery for providing electric energy for the new energy automobile and comprises a hollow shell and a sealing cover body connected to the top of the hollow shell;
a sliding track is arranged on the side wall inside the hollow shell, and a convex block is arranged at one end of the sliding track; the sealing cover body is connected with the sliding track in a sliding manner; and a grip is arranged on the outer side of the sealing cover body.
13. The system of claim 11,
the battery monitoring end also comprises a battery pushing module;
the battery pushing module comprises a controller and a battery pushing device;
the controller is used for selecting the storage battery with the same model information as the storage battery on the new energy automobile from the battery station and transmitting pushing information to the battery pushing device when the battery monitoring end detects that the model information of the storage battery on the new energy automobile is consistent with the model information of the storage battery stored in the storage module;
the battery pushing device is arranged at the bottom of a storage battery in the battery station; the battery pushing device comprises a microcontroller, a driving motor, a roller and a bearing platform; the bearing platform is used for placing the storage battery; a roller is arranged below the bearing platform; the microcontroller is electrically connected with the driving motor and the roller; and the microcontroller is used for controlling the driving motor to drive the roller to drive the new energy automobile after receiving the pushing information transmitted by the controller.
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