CN110962627B - Electric vehicle storage battery monitoring system based on GPS positioning and application thereof - Google Patents
Electric vehicle storage battery monitoring system based on GPS positioning and application thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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Abstract
The invention discloses a GPS positioning-based electric vehicle storage battery monitoring system and application thereof, wherein the electric vehicle storage battery monitoring system comprises a mobile positioning system and a fixed identification system, the mobile positioning system is arranged on an electric vehicle storage battery and comprises: GPS orientation module, wireless transceiver module and identity module, GPS orientation module, wireless transceiver module, data encryption module are installed the first position department of electric motor car battery, identity module installs the second position of electric motor car battery, fixed authentication system installs at electric motor car battery replacement station, and it includes identity information reading module, GPS location data reading module and local server.
Description
Technical Field
The invention relates to the field of electric bicycles, in particular to a GPS-positioning-based electric bicycle storage battery monitoring system.
Background
The electric vehicle is a vehicle using a battery as an energy source. With the emphasis of our country on the new energy development field, electric vehicles, electric tricycles and electric bicycles are increasingly widely applied.
The electric bicycle brings great convenience for people to go out, and by the end of 2017, the capacity of the electric bicycle in China breaks through 2.5 hundred million vehicles, and the market capacity is huge. In recent years, the development of electric vehicles in China is rapid, the quantity of electric vehicles kept is continuously increased, however, batteries are always the bottleneck restricting the development of the electric vehicles, and the development of the electric vehicles cannot be effectively promoted due to the fact that the endurance is far lower than that of oil vehicles and the endurance is further reduced in winter.
As a green vehicle, the electric vehicle has a great development potential in the future from the aspects of environmental protection and energy utilization. However, the current electric vehicle has not been widely accepted due to the restriction factors of limited battery capacity, short driving distance, inconvenient charging of users and the like, and cannot fully exert the transportation function, and the market potential of the electric vehicle still needs to be developed. At present, the battery used by the battery of the electric vehicle is of various types, and besides the valve-controlled sealed lead-acid storage battery with the largest use amount, the battery also comprises a nickel-hydrogen battery, a nickel-cadmium battery, a lithium ion battery, a polymer lithium battery, a zinc-air battery and a fuel battery.
Therefore, the battery problem still affects the popularization of the electric vehicle, even if the battery has stronger and stronger cruising ability along with the development of science and technology, the cruising range of the electric vehicle is still very limited, at present, some companies have already proposed the charging station of the electric vehicle, and after a courier arrives at the charging station, the courier takes out the charged battery from the charging station and then puts the battery into the charging station for charging. However, this method is easy to cause management confusion, once a responsibility problem occurs, people cannot be finally responsible, a window breaking effect is caused, management and maintenance are difficult, even if a battery has a problem, related personnel are not willing to report and deal with the problem, the problem is thrown to the next user, and unnecessary accidents are easily caused.
For electric vehicles, a freely replaceable battery replacement station has not been commercially developed, because, on the one hand, battery replacement of electric vehicles is difficult, and on the other hand, cost accounting and responsibility confirmation are often difficult to achieve.
Disclosure of Invention
Therefore, if a huge storage battery free replacement network can be established, batteries of all users in the original network access process are tracked, the batteries are allowed to flow among members, then the free replacement rights and interests which can be enjoyed by the users are determined according to the battery grades in the original network access process, the rights and interests of the users of the electric vehicle can be guaranteed, and the charging time of the users can be shortened by arranging a replacement station to replace the batteries for the users quickly. The difficulty is how to perform responsibility confirmation, and a method for tracking the storage battery for each networked storage battery is proposed, but the identity module is easy to be taken down and worn on the luggage, so that the possibility of encroaching on the interests of other people is provided for users who do not comply with the rules.
Aiming at the defects of the prior art, the invention provides a monitoring system which can track the position of a storage battery of an electric bicycle in real time or intermittently and effectively monitor the affiliation of the storage battery, thereby promoting the wider popularization of a battery replacement station of the electric bicycle.
Specifically, the invention provides an electric vehicle storage battery monitoring system based on GPS positioning, which is characterized in that the electric vehicle storage battery monitoring system comprises a mobile positioning system and a fixed identification system, wherein the mobile positioning system is arranged on an electric vehicle storage battery, preferably forms a whole with a shell of the storage battery, and comprises: the system comprises a GPS positioning module, a wireless transceiver module and an identity identification module, wherein the GPS positioning module, the wireless transceiver module and a data encryption module are arranged at a first position of the storage battery of the electric vehicle, the identity identification module is arranged at a second position of the storage battery of the electric vehicle, the fixed authentication system is arranged at an electric vehicle storage battery replacement station and comprises an identity information reading or input module, a GPS positioning data reading module and a local server, the GPS positioning module is used for measuring the position information of the storage battery of the electric vehicle in real time, the wireless transceiver module is used for sending the position information, the identity identification module is solidified with the identity information of the current storage battery, the identity information reading module is used for reading the identity information of a target storage battery, and the GPS positioning data reading module is used for receiving the positioning data measured by the GPS positioning module in the target storage, the local server determines the affiliation of the target battery based on the positioning data measured by the GPS positioning module in the target battery and the output vector.
In a preferred implementation mode, the mobile positioning system further comprises a data encryption module used for encrypting communication data with the mobile positioning system.
In another preferred implementation, the GPS positioning module has a first operating mode and a second operating mode, and in a normal case, the GPS positioning module operates in the first operating mode, and when the battery is mounted to the stationary authentication system, the GPS positioning module operates in the second operating mode, where the first operating mode is the normal operating mode, and the second operating mode is the directional disturbance mode.
In another preferred implementation manner, the storage battery includes a first battery pack and a second battery pack, where the first battery pack and the second battery pack respectively include a plurality of batteries, the first battery pack and the second battery pack are connected to each other through a battery docking member, and the first battery pack and the second battery pack form a unitary battery and need to be replaced integrally.
In another preferred implementation, the electric vehicle is an electric bicycle, an electric tricycle or an electric automobile.
On the other hand, the invention provides a storage battery replacement station adopting the storage battery monitoring system, wherein a plurality of storage battery replacement stations are distributed according to population density distribution, a central server is arranged in the plurality of storage battery replacement stations, each storage battery replacement station comprises a local server, a plurality of storage battery charging devices, a communication device and the fixed identification system, the storage battery charging devices are matched with a storage battery to be charged, the fixed identification system is used for identifying the received storage battery, and the local server is used for associating the identified storage battery coding information with user information for providing the storage battery, recording the storage battery coding information and transmitting the storage battery coding information to the remote central server.
The storage battery monitoring system can effectively position and track the storage battery, effectively monitor the storage battery in the system, lock the target responsible person, promote the effective management of the storage battery and facilitate the wider popularization of the electric vehicle battery replacement station.
Drawings
Fig. 1 is a schematic structural diagram of an electric vehicle battery monitoring system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an identity module and a corresponding capacitor in embodiment 2.
Detailed Description
The invention is described in detail below with reference to the drawings and the embodiments thereof, but the scope of the invention is not limited thereto.
Example 1
Specifically, as shown in fig. 1, the GPS-based electric vehicle battery monitoring system in the present embodiment includes two parts: a mobile positioning system 100 (or mobile positioning device) and a stationary authentication system 200.
A mobile positioning system 100 is installed for each battery cell, which refers to the overall configuration of a battery or battery pack packaged together for overall replacement. In order to facilitate management, the storage battery pack in each electric vehicle is packaged into 1 storage battery monomer as much as possible, and a positioning system can be respectively arranged on the storage batteries which cannot be packaged into one monomer.
Preferably, the mobile positioning system further comprises a storage module, wherein the storage module receives and stores the positioning information obtained by the GPS positioning module, and the storage of the positioning information is carried out at preset intervals so as to form the movement track of each storage battery.
The GPS positioning module is used for measuring the position information of the storage battery of the electric vehicle in real time, the wireless transceiving mode is used for transmitting the position information, for a high-end model, the wireless transmitting module can be used for communicating with a nearest replacing station in an area to track the position in real time or intermittently, the position information of the storage battery is updated in real time, the function is not needed as a low-end model, the position information is stored in the storage module at intervals, and the position information is read at one time by the replacing station when the storage battery is replaced.
The identity module 101 is written with the identity information of the current storage battery, the information in the identity module cannot be changed after being written, and the identity module can adopt a physical form of a special digital label or an encrypted data storage form. Although the information in the identification module is not modifiable, it is difficult to ensure that someone obtains an undue benefit by installing the identification module of one battery to another, such as taking an old battery as a new battery into a replacement station and then replacing it with another new battery. In order to avoid the phenomenon, the invention provides a storage battery identity verification and tracing technology which can effectively verify whether the storage battery is tampered with identity information and trace the replacement record of the storage battery every time.
The fixed authentication system 200 is installed at an electric vehicle battery replacement station, and comprises an identity information reading or recording module 201, a wireless transceiver module 202, a GPS positioning data reading module 203 and a local server 204, wherein the wireless transceiver module 202 is used for communicating with a transceiver module on a battery. The GPS positioning data reading module 203 is used for reading positioning data and other output data from the mobile positioning system through the wireless transceiver module 202.
The identity information reading module 201 is configured to read or enter identity information of a target storage battery, and may allocate a representation module to each storage battery, where the representation module corresponds to a corresponding serial number, and the serial number includes information such as a production date, a model number, and a serial number of the storage battery.
For each GPS positioning module, when the GPS positioning module leaves a factory, two working modes, namely a first working mode and a second working mode, are set for the GPS positioning module, the two working modes take a trigger signal of a replacement station as a condition, the GPS positioning module works in the first mode under a normal condition, and the first mode is a normal working mode and has no difference with other GPS positioning modules.
The GPS positioning module is provided with a communication interface which can receive an external command (the communication interface can be a data interface of an entity and can also be realized through a specific format model of a wireless communication module), when the storage battery is installed in the fixed identification system, data communication is established between the GPS positioning data reading module and the GPS positioning module, and by utilizing the communication interface, the GPS positioning data reading module sends a mode switching command to the GPS positioning module, and the GPS positioning module is switched to a second mode to work. Preferably, the command is an encrypted command, and a corresponding decryption module is arranged in the GPS positioning module to decrypt the command.
The second mode is different from each other for each GPS positioning module, which is assigned a different offset vector from each other for each positioning module. The following description will take any GPS positioning module as an example.
For the GPS positioning module, it needs to receive signals sent by at least 4 GPS positioning satellites, when the GPS positioning module performs the calculation, it can determine its current position based on the receiving time of different GPS positioning satellite signals and the timestamp of the signals, for the second mode, the calculation process is no different from the normal settlement process, but it normalizes at least three features calculated by it, respectively, to form three values between 0 and 1, respectively, and uses the values as x, y, and z coordinates to obtain a three-dimensional vector, for example, the GPS calculation data includes longitude coordinates, latitude coordinates, and UTC time, and normalizes the three data by 180, 90, and 24 hours respectively, to obtain three coordinates, for example, the normalized vector at east longitude 120 degrees, north latitude 45 degrees, and 6 degrees is (0.6670.50.25), which is the current GPS positioning vector, and for each GPS positioning module, allocating an inherent offset vector to the GPS positioning module, wherein the offset vector corresponds to the identity of the storage battery one by one. When the GPS positioning module works in the second mode, the GPS positioning module firstly carries out GPS positioning calculation, then converts three characteristics in positioning information obtained by calculation into a normalized position vector, and then carries out point multiplication on the normalized position vector and the inherent offset vector to obtain an output vector, and the GPS positioning module outputs the output vector and the GPS positioning data to the GPS data reading module.
The fixed authentication system 200 respectively reads the identification information in the storage battery identification module (read by the identification information reading module 201) and the output vector of the corresponding GPS positioning module, and processes the output vector by the local server 204.
When the electric vehicle of the user arrives at the replacement station, user information needs to be input into the replacement station, and if the storage battery of the electric vehicle of the user is the storage battery which is registered and recorded in the monitoring system, the user information and the information of the storage battery are registered in a central server of the monitoring system. When the user arrives at the exchange station and inputs the information to the local server of the exchange station, the local server 204 retrieves the identity information of the user, the storage battery identification information owned by the user, and the offset vector set for the GPS positioning module corresponding to the storage battery from the central server.
The local server firstly matches the user information sending out the storage battery replacement request and the identified storage battery identity information with the pre-stored user information and the storage battery identity information corresponding to the user, and if the user information is consistent with the storage battery identity information, the next step of verification is carried out.
Then, the local server normalizes the longitude information, the latitude information and the current UTC time information (which can be read from the positioning module of the mobile positioning system) of the coordinates of the position of the identification system respectively according to the same mode in the GPS positioning module, obtains the position vector of the identification system (because the identification system is basically coincident with the position of the target storage battery in fact), then the position vector is multiplied by a pre-stored bias vector point which is supposed to be arranged in the GPS positioning module in the battery to be replaced currently to obtain a corresponding result vector, then the local server compares the obtained result vector with the output vector obtained from the GPS positioning module, when the difference between the two is less than a preset value, the two are determined to be consistent, the identity information of the storage battery is matched with the corresponding storage battery, otherwise, alarm information is sent out to remind people to check whether the storage battery is changed in identity information.
More preferably, in order to further improve the accuracy and avoid false alarm, the GPS positioning module may collect multiple sets of data, calculate corresponding output vectors, and compare the average with the product of the offset vector and the position vector of the system itself.
Preferably, the mobile positioning system further comprises a data encryption module for encrypting the output data of the mobile positioning system according to a preset encryption mode. Decryption is then performed in a corresponding manner by the fixed authentication system 200.
Preferably, the storage battery comprises a first battery pack and a second battery pack, wherein the first battery pack and the second battery pack respectively comprise a plurality of batteries, the first battery pack and the second battery pack are connected with each other through a battery butt joint component, and the first battery pack and the second battery pack are integrally packaged.
Preferably, the electric vehicle is an electric bicycle, an electric tricycle or an electric automobile.
The invention also provides a distributed storage battery station-changing system which comprises a plurality of storage battery station-changing stations, wherein the storage battery station-changing stations are distributed according to population density distribution, the storage battery station-changing stations are provided with a central server, each storage battery station-changing station comprises a local server, a plurality of storage battery charging devices, communication equipment and the fixed identification system, the storage battery charging devices are matched with storage batteries to be charged, the fixed identification system is used for identifying the identity of the storage batteries received by the fixed identification system, and the local server is used for associating the identified storage battery coding information with user information for providing the storage batteries, recording the storage battery coding information and transmitting the storage battery coding information to the remote central server.
Preferably, the battery is a lead battery or a lithium battery.
Preferably, the rated voltage of the storage battery is 12V-50V.
The storage battery also comprises a battery box, and the battery box comprises a box body and a box cover, and is packaged at one time. Preferably, at least one communication line on the circuit board where the GPS positioning module is located passes between the box body and the box cover of the battery box, and once the box body and the box cover are opened, the corresponding line is disconnected and cannot be connected.
The method of the embodiment adopts the GPS positioning module to realize the timing or intermittent position tracking of the battery in the system, and adopts the GPS positioning module to realize the secondary verification of the identity information of the storage battery, thereby effectively tracking each storage battery. Generally, tampering with the storage battery identity identification module is usually performed in a workshop, the technical level is not high, the GPS positioning module in the system cannot perform secondary verification on the storage battery identity except for the identity identification module, and the verification on the storage battery identity is performed through the concealed second mode of the GPS positioning module, so that the identification difficulty is extremely high.
Example 2
Similar to embodiment 1, the GPS-based electric vehicle battery monitoring system in this embodiment also includes two parts: a mobile positioning system 100 and a stationary authentication system 200.
And for each GPS positioning module, when the GPS positioning module leaves a factory, two working modes are set for the GPS positioning module, the two working modes take a trigger signal of a replacing station as a condition, the GPS positioning module works in a first mode under a normal condition, and the first mode is a normal working mode.
The GPS positioning module is provided with a communication interface which can receive an external command, when the storage battery is arranged in the fixed identification system, data communication is established between the GPS positioning data reading module and the GPS positioning module, and by utilizing the communication interface, the GPS positioning data reading module sends a mode switching command to the GPS positioning module, and the GPS positioning module is switched to the second mode to work.
In contrast to embodiment 1, in this embodiment, as shown in fig. 2, in order to further ensure the non-tamper-ability of the mobile positioning system, a physical identity module 301 is adopted as the identity module, the identity module is made of a non-conductive material, a first electrode sheet 302 is embedded in the lower surface of the identity module, a second electrode sheet 304 is arranged at the identity module of a housing 305 (only part of which is shown in the figure) of the storage battery, the first electrode sheet and the second electrode sheet are opposite to each other, the two electrode sheets form a capacitor, a dielectric material 303 is arranged between the identity modules, and preferably, the identity module and the housing of the storage battery are adhered by an adhesive with a high dielectric constant, that is, the adhesive layer is used as the dielectric material layer 303. And a first terminal is led out from the side part of the identity identification module, and a second terminal is led out from the second electrode plate on the storage battery shell. For each preset factory time period, a capacitance value range is set, and for the storage battery which is shipped in the time period, the sizes of the two electrode plates and the distance between the two electrode plates are set (for example, the distance between the electrode plates in each time period is not changed, but the sizes of the electrode plates in each time period are different by a preset value), so that the electrode plate structure capacitance falls within the capacitance value range. For example, the identity module is adhered to the battery case through a non-conductive adhesive, and when the battery leaves factory, the serial number and the capacitance value of the identity module of the battery are both sent to the central controller for storing the mapping table.
When the electric vehicle of the user arrives at the replacement station, user information needs to be input into the replacement station, and if the storage battery of the electric vehicle of the user is the storage battery which is registered and recorded in the monitoring system, the user information and the information of the storage battery are registered in a central server of the monitoring system. If the battery is a new battery, the positioning system of the invention needs to be installed for the battery.
When a user arrives at the exchange station and inputs information into a local server of the exchange station, the local server 204 retrieves the identity information of the user, the storage battery identification information owned by the user and the offset vector set for the GPS positioning module corresponding to the storage battery from the central server, and a worker measures the capacitance formed between the first electrode plate and the second electrode plate through a high-precision multimeter or a high-precision capacitance measuring device. Because the capacitance formed by the electrode plates is not large, the capacitance formed by the electrode plates can be divided into a plurality of grades, such as 10-30 grades, and the storage batteries produced in different production periods can be recycled by adopting the capacitances of different grades. After measuring the level of the capacitor, a worker inputs the level into a local server, compares the level with the level of the capacitor corresponding to the identity recognition module prestored in the server, and if the result is consistent, the local server adds any number between random numbers (such as 0-100) generated randomly to the level value to form an input parameter which is output to a GPS positioning data reading module so as to provide the input parameter for the GPS positioning module of the storage battery when sending a mode switching command to the GPS positioning module.
The GPS positioning module enters a second mode after receiving a switching command and input parameters, at least three characteristics obtained by the GPS positioning module are respectively normalized in a positioning data calculation process to respectively form three values between 0 and 1, the three values are respectively used as x, y and z coordinates to obtain a three-dimensional vector, for example, GPS calculation data comprises longitude coordinates, latitude coordinates and UTC time, the three data are respectively normalized by taking 180 hours, 90 hours and 24 hours as total amounts, three coordinates can be obtained, for example, normalized vectors at east longitude 120 degrees, north latitude 45 degrees and 6 hours are (0.6670.50.25), only 2-3 bits are reserved after decimal points of the normalized vectors, so that certain positioning errors are allowed, and excessive false reports are avoided. The vector is the current GPS positioning vector, and for each GPS positioning module, an inherent offset vector is distributed, and the offset vector corresponds to the identity of the storage battery one by one. When the GPS positioning module works in the second mode, the GPS positioning module firstly carries out GPS positioning calculation, then converts three characteristics in positioning information obtained by calculation into a normalized position vector, then carries out point multiplication on the normalized position vector and the inherent offset vector thereof, and then multiplies an input parameter sent by the local server received by the positioning data reading module to obtain an output vector, and the GPS positioning module outputs the output vector and the GPS positioning data to the GPS data reading module.
The fixed authentication system 200 respectively reads the identification information in the storage battery identification module (read by the identification information reading module 201) and the output vector of the corresponding GPS positioning module, and the fixed authentication system 200 also performs GPS positioning and delivers the positioning data to the local server 204 for processing.
Similarly, the local server 204 obtains a three-dimensional vector formed by normalizing three same features of the GPS positioning data, multiplies the three-dimensional vector by a pre-stored offset vector point corresponding to the storage battery, multiplies an input vector formed by a capacitor grade and a random number generated by the local server, compares the obtained vector with an output vector obtained from the GPS positioning module, and if the difference between the two vectors is within a predetermined range, completes verification, otherwise, sends an alarm.
In the embodiment, the storage battery positioning module is checked to determine that the storage battery can be normally positioned, and the storage battery is verified in three aspects whether tampering occurs or not, the identity of the storage battery is determined through the identity identification module, and then the identity identification module is determined not to be secondarily bonded by using the sheet capacitor.
On the other hand, because the GPS positioning module needs to receive the randomly generated input parameters from the local server, the output vector of the GPS positioning module cannot be preset, which better ensures the non-tamper-ability of the GPS positioning module.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an electric motor car battery monitored control system based on GPS location which characterized in that, electric motor car battery monitored control system includes mobile location system and fixed authentication system, mobile location system installs on electric motor car battery, includes: a GPS positioning module, a wireless transceiver module and an identity module, wherein the GPS positioning module and the wireless transceiver module are arranged at a first position of the storage battery of the electric vehicle, the identity module is arranged at a second position of the storage battery of the electric vehicle,
wherein the GPS positioning module has a first working mode and a second working mode, the GPS positioning module normally works in the first working mode, when the storage battery is mounted to the stationary authentication system, the GPS positioning module works in the second working mode, the first working mode is the normal working mode, the second working mode is the directional disturbance mode, the second working mode is different for each GPS positioning module, an inherent offset vector is assigned, the offset vector corresponds to the identity of the storage battery one-to-one, when the GPS positioning module works in the second working mode, the GPS positioning is resolved first, then three features in the positioning information obtained by the resolution are converted into a normalized position vector, and then the normalized position vector is point-multiplied by the inherent offset vector, obtaining an output vector, outputting the output vector and the GPS positioning data to a GPS positioning data reading module by a GPS positioning module,
the fixed identification system is arranged at an electric vehicle storage battery replacing station and comprises an identity information recording or reading module, a GPS positioning data reading module and a local server, wherein the GPS positioning module is used for measuring the position information of the electric vehicle storage battery in real time, the wireless transceiver module is used for sending the position information to the GPS positioning data reading module, the identity identification module is solidified with the identity information of the current storage battery, the identity information recording or reading module is used for recording or reading the identity information of a target storage battery, the GPS positioning data reading module is used for receiving the positioning data and the output vector measured by the GPS positioning module in the target storage battery, and the local server determines the attribution of the target storage battery based on the positioning data and the output vector measured by the GPS positioning module in the target storage battery,
the local server obtains a position vector of the fixed identification system based on longitude information, latitude information and current UTC time information of coordinates of the position of the fixed identification system, then multiplies the position vector by a pre-stored bias vector point corresponding to a GPS positioning module in a battery to be replaced currently to obtain a corresponding result vector, then compares the obtained result vector with an output vector obtained from the GPS positioning module, and when the difference between the two is smaller than a preset value, the two are determined to be consistent.
2. The GPS-based location electric vehicle battery monitoring system of claim 1, further comprising a data encryption module for encrypting output data of the mobile location system.
3. An electric vehicle battery monitoring system based on GPS positioning as recited in claim 1, wherein the battery comprises a first battery set and a second battery set, wherein the first battery set and the second battery set comprise a plurality of batteries respectively, the first battery set and the second battery set are connected with each other through a battery docking component, and the first battery set and the second battery set constitute a whole battery and need to be replaced integrally.
4. The GPS-based positioning of an electric vehicle battery monitoring system of claim 1, wherein the electric vehicle is an electric bicycle, an electric tricycle, or an electric car.
5. The GPS-based electric vehicle battery monitoring system of claim 1, further comprising an alarm module for sending an alarm signal when the GPS-based positioning module or the identification module is detached.
6. The GPS-based location electric vehicle battery monitoring system of claim 1, wherein the GPS-location data reading module is further configured to send input parameters to the GPS-location module.
7. The GPS-based electric vehicle battery monitoring system of claim 1, wherein the mobile location system further comprises a control module for controlling the GPS location module.
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| CN115742751B (en) * | 2022-10-18 | 2024-04-09 | 广州汽车集团股份有限公司 | Method, device, server and storage medium for detecting replacement of storage battery |
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Denomination of invention: Electric vehicle battery monitoring system based on GPS positioning and its application Effective date of registration: 20210610 Granted publication date: 20210226 Pledgee: Bank of Communications Co.,Ltd. Hunan Branch Pledgor: HUNAN LINGBEN ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980004638 |
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