A method and system for monitoring power management of new energy vehicles

Abstract

A method and system for monitoring power management of new energy vehicles, belonging to the field of new energy vehicles, the method includes deploying a vehicle-mounted unit and a roadside communication unit on the vehicle and a roadside charging pile respectively, communicating with the vehicle-mounted unit of nearby vehicles through broadcast signals, and sending the current vehicle information to the roadside communication unit after the owner registers through the vehicle-mounted unit; the calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged; if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to drive in, if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, if it can, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time, if not, the roadside communication unit issues a final warning. The present invention improves charging efficiency and optimizes energy management by combining the intelligent collaboration of the roadside communication unit and the charging pile.

Description

Technical Field

[0001] The present invention belongs to the technical field of new energy vehicle charging, and more specifically, particularly relates to a new energy vehicle power management and monitoring method and system. Background Art

[0002] With the large-scale popularization of new energy vehicles, the mileage concerns of new energy vehicles are becoming an increasingly serious problem. Especially when new energy vehicles leave urban areas with dense charging piles, how to charge effectively becomes a challenge. The current charging solutions are all for the car to find the charging pile, or when the new energy vehicle is running out of power, the owner will look for possible charging equipment nearby. The first problem is that the energy in the car may not be enough to support the car to the charging point at this time. The second problem is that when driving in the suburbs, there may not be a good communication connection (such as a weak signal) for the owner to find a nearby charging pile. The patent of this invention aims to combine intelligent charging piles and vehicle-road collaborative technology to achieve pile-finding and solve these two pain points. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above or existing problems of the new energy vehicle power management and monitoring method and system, the present invention is proposed.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The embodiment of the present invention provides a method for monitoring power management of new energy vehicles, including: deploying an on-board unit and a roadside communication unit on a vehicle and a roadside charging pile respectively, the roadside communication unit continuously broadcasts signals through a C-V2X mechanism to shake hands with the on-board units of nearby vehicles, and after the owner registers through the on-board unit, sends the current vehicle information to the roadside communication unit; the calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged, and after the judgment, the roadside communication unit sends a corresponding prompt to the on-board unit to wait for the vehicle to respond; if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to enter, if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, if so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time, if not, the roadside communication unit issues a final warning.

[0007] As a preferred solution of the new energy vehicle power management and monitoring method of the present invention, the current vehicle information includes the remaining power and the distance to the destination.

[0008] As a preferred solution of the method for monitoring the power management of new energy vehicles of the present invention, the calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged, including:

[0009] By calculating the Euclidean distance between the current position of the vehicle and the positions of multiple charging piles, the charging pile closest to the vehicle is found. The calculation formula is:

[0010]

[0011] Among them, x1, y1 are the coordinates of the current position of the vehicle, and x2, y2 are the coordinates of the position of the charging pile;

[0012] When selecting the nearest charging pile from multiple charging piles, the Dijkstra algorithm is combined to calculate the optimal path from the current vehicle position to each charging pile. The Dijkstra algorithm formula is:

[0013] d(υ)=min(d(v),d(u)+w(u,v))

[0014] Among them, w(u,v) is the weight of the edge u→v.

[0015] As a preferred solution of the method for monitoring the power management of new energy vehicles of the present invention, wherein: the calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged, and further includes:

[0016] Set the battery level to E remaining , the energy efficiency of the vehicle is C efficiency , then the maximum driving distance that the remaining power can support is D remaining Calculated as:

[0017] D remaining =E remaining ×C efficiency

[0018] When the vehicle sets a destination, the distance D to the destination is calculated destination and the maximum driving distance D that can be supported by the remaining power remaining For comparison. If D remaining ≥D destination , the vehicle can reach the destination without charging; otherwise, the vehicle needs to be charged;

[0019] The distance from the current location of the vehicle to the next charging station is Dcharging , then calculate the amount of electricity required to reach the charging pile, according to the vehicle's energy efficiency calculation formula:

[0020]

[0021] Among them, E needed is the amount of electricity required to travel to the next charging station;

[0022] If the vehicle has a remaining charge of E remaining Greater than or equal to the required power E needed , then it can reach the next charging pile smoothly; otherwise, the vehicle needs to be charged.

[0023] As a preferred solution of the method for monitoring the power management of new energy vehicles of the present invention, the calculation determines whether the current vehicle needs to be charged, and after the determination, the roadside communication unit sends a corresponding prompt to the vehicle-mounted unit to wait for the vehicle to respond, including:

[0024] Define ID to indicate vehicle ID, e to indicate current remaining power and corresponding driving distance, M to indicate vehicle full power, d to indicate distance to destination, n to indicate nearest charging station list, r to indicate vehicle reply YES or NO, and p to indicate vehicle remaining power percentage;

[0025] IF e / M<p&e<d, the roadside communication unit sends a charging reminder to the onboard unit and waits for r;

[0026] IF r==YES, the roadside communication unit sends navigation information to the vehicle-mounted unit, and the vehicle decides whether to drive automatically or manually;

[0027] ELSE IF r==NO, IF e<min(n), the roadside communication unit sends the final warning to the vehicle-mounted unit, ELSE the roadside communication unit sends the nearest charging pile information and prompts the vehicle to go there;

[0028] Store ID, e, M, r, and n for future use.

[0029] As a preferred solution of the method for monitoring the power management of new energy vehicles of the present invention, if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to drive in; if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, including:

[0030] If the power threshold is set as Threshold Factor, the power required for judgment will be the amount of power calculated by adding the Threshold Factor:

[0031] E adjusted =E needed×(1+Threshold Factor)

[0032] Among them, Threshold Factor is expressed in decimal form;

[0033] Determine based on the vehicle's remaining power and the adjusted power demand:

[0034]

[0035] otherwise:

[0036]

[0037] As a preferred solution of the new energy vehicle power management and monitoring method of the present invention, wherein: if it is possible, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time; if not, the roadside communication unit issues a final warning, including:

[0038] If the remaining power of the vehicle is enough to support the next charging pile and the vehicle agrees to charge, the roadside communication unit sends a signal to guide the vehicle to the charging pile, prompting the owner that the vehicle has been successfully identified and is ready to charge;

[0039] If the vehicle's remaining power is insufficient to support driving to the next charging station after refusing to charge, the charging station calculation unit will issue a final warning, including that the vehicle's remaining power has fallen below the safety threshold, that the current power is insufficient to support reaching the next charging station, and reminding the owner to find a charging station as soon as possible to ensure that there is no power outage during the journey.

[0040] A power management and monitoring system for new energy vehicles includes: a deployment connection module, which is used to deploy an on-board unit and a roadside communication unit on a vehicle and a roadside charging pile respectively. The roadside communication unit continuously broadcasts signals through a C-V2X mechanism to shake hands with the on-board units of nearby vehicles. After the owner registers through the on-board unit, the current vehicle information is sent to the roadside communication unit; a calculation and judgment module, which is used by the calculation unit in the charging pile to calculate and judge whether the current vehicle needs to be charged in combination with the vehicle information and the next nearest charging pile location information. After the judgment, the roadside communication unit sends a corresponding prompt to the on-board unit to wait for the vehicle to respond; an information decision module, which is used for if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to enter, if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, if so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time, if not, the roadside communication unit issues a final warning.

[0041] A computing device, comprising:

[0042] at least one processor, memory, and input-output unit;

[0043] Among them, the memory is used to store computer programs, and the processor is used to call the computer program stored in the memory to execute the steps of the new energy vehicle power management monitoring method.

[0044] A computer-readable storage medium includes instructions, which, when executed on a computer, enable the computer to execute the steps of a method for monitoring the power management of new energy vehicles.

[0045] The beneficial effects of the present invention are as follows: by introducing a power threshold optimization algorithm, the present invention combines the intelligent collaboration of the on-board unit, the roadside communication unit and the charging pile calculation unit, and can determine in real time whether the vehicle needs to be charged, and dynamically adjust the charging strategy according to the remaining power and distance. The system not only improves driving safety and charging efficiency, but also enhances the convenience of car owners and the operating efficiency of charging piles, optimizes energy management, has strong intelligence, personalization and scalability, and ensures the smoothness and efficiency of the electric vehicle charging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0047] Figure 1 A flowchart of a method for managing and monitoring power of a new energy vehicle provided in an embodiment of the present invention.

[0048] Figure 2 A schematic diagram of the structure of a new energy vehicle power management and monitoring system provided in an embodiment of the present invention.

[0049] Figure 3 A schematic structural diagram of a medium according to an embodiment of the present invention is schematically shown.

[0050] Figure 4 A schematic diagram of the structure of a computing device according to an embodiment of the present invention is schematically shown.

[0051] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts. DETAILED DESCRIPTION

[0052] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0053] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0054] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0055] Example

[0056] Reference below Figure 1 , Figure 1 This is a flow chart of a method for monitoring and managing power consumption of new energy vehicles provided by an embodiment of the present invention. It should be noted that the embodiments of the present invention can be applied to any applicable scenario.

[0057] Figure 1 The process of the new energy vehicle power management and monitoring method provided by an embodiment of the present invention includes:

[0058] S1: The on-board unit and the roadside communication unit are deployed on the vehicle and the roadside charging pile respectively. The roadside communication unit continuously broadcasts signals through the C-V2X mechanism to handshake and connect with the on-board units of nearby vehicles. After the car owner registers through the on-board unit, he sends the current vehicle information to the roadside communication unit.

[0059] Preferably, the current vehicle information includes remaining battery power and distance to the destination.

[0060] Furthermore, the owner selects the "Register Charging Pile" option through the touch screen or voice assistant on the vehicle-mounted unit. The vehicle-mounted unit automatically obtains the vehicle's current power, remaining driving distance, owner information, etc., and sends a registration request containing this information to the roadside communication unit. Vehicle ID, vehicle power information, remaining driving distance and charging demand information.

[0061] After the owner completes the registration, the vehicle unit transmits the vehicle information to the roadside communication unit in a standardized data format through the C-V2X network. The vehicle information sent by the vehicle unit to the roadside communication unit includes: the percentage of the vehicle's remaining power, the battery status such as battery health status, charging efficiency, the remaining driving range based on the current power, the remaining driving range, and the charging requirement. Whether the vehicle needs to be charged and the charging amount required. The communication between the vehicle unit and the roadside communication unit is real-time and low-latency, ensuring that the charging pile can respond quickly based on the vehicle information.

[0062] S2: The calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged. After the judgment, the roadside communication unit sends a corresponding prompt to the on-board unit to wait for the vehicle to respond.

[0063] Preferably, the Euclidean distance between the current position of the vehicle and the positions of multiple charging piles is calculated to find the charging pile closest to the vehicle. The calculation formula is:

[0064]

[0065] Among them, x1, y1 are the coordinates of the current position of the vehicle, and x2, y2 are the coordinates of the position of the charging pile;

[0066] When selecting the nearest charging pile from multiple charging piles, the Dijkstra algorithm is combined to calculate the optimal path from the current vehicle position to each charging pile. The Dijkstra algorithm formula is:

[0067] d(v)=min(d(v),d(u)+w(u,v))

[0068] Among them, w(u,v) is the weight of the edge u→v.

[0069] Preferably, the battery power is set to E remaining , the energy efficiency of the vehicle is C efficiency , then the maximum driving distance that the remaining power can support is D remaining Calculated as:

[0070] D remaining =E remaining ×C efficiency

[0071] When the vehicle sets a destination, the distance D to the destination is calculated destination and the maximum driving distance D that can be supported by the remaining power remaining For comparison. If D remaining ≥D destination , the vehicle can reach the destination without charging; otherwise, the vehicle needs to be charged;

[0072] The distance from the current location of the vehicle to the next charging station is D charging , then calculate the amount of electricity required to reach the charging pile, according to the vehicle's energy efficiency calculation formula:

[0073]

[0074] Among them, E needed is the amount of electricity required to travel to the next charging station;

[0075] If the vehicle has a remaining charge of Eremaining Greater than or equal to the required power E needed , then it can reach the next charging pile smoothly; otherwise, the vehicle needs to be charged.

[0076] Preferably, the definition ID represents the vehicle ID, e represents the current remaining power and the corresponding driving distance, M represents the full power of the vehicle, d represents the distance to the destination, n represents the list of the nearest charging piles, r represents the vehicle reply YES or NO, and p represents the percentage of the remaining power of the vehicle;

[0077] IF e / M<p&e<d, the roadside communication unit sends a charging reminder to the onboard unit and waits for r;

[0078] IF r==YES, the roadside communication unit sends navigation information to the vehicle-mounted unit, and the vehicle decides whether to drive automatically or manually;

[0079] ELSE IF r==NO, IF e<min(n), the roadside communication unit sends the final warning to the vehicle-mounted unit, ELSE the roadside communication unit sends the nearest charging pile information and prompts the vehicle to go there;

[0080] Store ID, e, M, r, and n for future use.

[0081] Furthermore, the current position of the vehicle is obtained: the vehicle obtains its current position coordinates (x1, y1) in real time through the on-board unit, and obtains the position information of all charging piles: the position coordinates (x2, y2) of the charging piles are stored in the charging pile database.

[0082] For each charging pile, the Euclidean distance formula is used to calculate the straight-line distance d between the vehicle's current position and the charging pile.

[0083] Assume that the current position of the vehicle is (x1, y1) = (10, 15), the position of charging pile 1 is (x2, y2) = (12, 20), and the position of charging pile 2 is (x2, y2) = (15, 25);

[0084] The Euclidean distance is calculated. The distance of charging pile 1 is d1=5.39, and the distance of charging pile 2 is d2=11.18. The distance between the vehicle and charging pile 1 is shorter, so charging pile 1 is the closest charging pile.

[0085] The city roads, traffic information, and charging pile locations are modeled as nodes and edges of a graph. Each edge represents a road, and the weight w(u,v) represents the travel time or distance of the road. The Dijkstra algorithm is applied to calculate the shortest path to each charging pile from the vehicle's current location as the starting point. The Dijkstra algorithm selects the shortest path as the vehicle's travel route.

[0086] Assume that the road network is as follows: Node A represents the current location of the vehicle, Node B represents the location of charging pile 1, Node C represents the location of charging pile 2, and the weight of the edge represents the distance or travel time of the road.

[0087]

[0088] The shortest path is calculated by Dijkstra algorithm. The direct path from A to B has a weight of 5, the direct path from A to C has a weight of 7, and the path from A to B and then to C is A→B→C, with a total weight of 5+3=8. The shortest path is from A to B, with a weight of 5. Therefore, charging station 1 is the best choice.

[0089] Furthermore, assuming that the vehicle's destination distance is D destination =15km, the maximum driving distance of the vehicle is 20km, due to D remaining =20km≥D destination =15km, the vehicle can reach the destination without charging. If the destination is 25km away, the vehicle cannot reach the destination and needs to be charged.

[0090] The distance D from the vehicle's current location to the nearest charging station charging = 10km, the energy of the vehicle C efficiency =15Wh, vehicle remaining power E remaining =150Wh,E remaining =150Wh,

[0091] First, calculate the amount of power required to reach the charging station:

[0092] E needed =10×15=150Wh, due to the remaining power of the vehicle remaining =150Wh, E needed = 150Wh, therefore, the vehicle can reach the charging station without the need for charging.

[0093] If the remaining power is only 100Wh, then E needed =10×15=150Wh, at this time E remaining =100Wh, E remaining =100Wh, less than the required power E needed =150Wh, therefore, the vehicle needs to be charged before it can continue to drive to the charging station.

[0094] S3: Remove noise signals through digital signal processing algorithms, and use FIR filters to perform gain processing on the received signals. If the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle in. If the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile. If so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time. If not, the roadside communication unit issues a final warning.

[0095] Preferably, the power threshold is set as Threshold Factor, then the power required for determination will be the portion of the original calculated power increased by the Threshold Factor:

[0096] E adjusted =E needed ×(1+Threshold Factor)

[0097] Among them, Threshold Factor is expressed in decimal form;

[0098] Determine based on the vehicle's remaining power and the adjusted power demand:

[0099]

[0100] otherwise:

[0101]

[0102] Preferably, if the remaining power of the vehicle is sufficient to support the next charging pile, and the vehicle agrees to charge, the roadside communication unit sends a signal to guide the vehicle to the charging pile, prompting the owner that the vehicle has been successfully identified and is ready to charge;

[0103] If the vehicle's remaining power is insufficient to support driving to the next charging station after refusing to charge, the charging station calculation unit will issue a final warning, including that the vehicle's remaining power has fallen below the safety threshold, that the current power is insufficient to support reaching the next charging station, and reminding the owner to find a charging station as soon as possible to ensure that there is no power outage during the journey.

[0104] Furthermore, assuming that the vehicle's current remaining power is 120Wh, the power required to reach the destination or charging station is calculated to be 150Wh. Adjusting power demand: Assume that the power threshold factor is 0.1 (i.e., increasing the power demand by 10%). According to the adjustment formula: E adjusted =150×(1+0.1)=150×1.1=165Wh, that is, the adjusted power demand is 165Wh.

[0105] Make a charging judgment and compare the current remaining power E remaining and the adjusted power demand Eadjusted : Current remaining power E remaining =120Wh, adjusted power demand E adjusted =165Wh, due to E remaining <E adjusted , that is, 120Wh is less than 165Wh, and the remaining power of the vehicle is not enough to support driving to the destination or charging station, so charging is required.

[0106] After the introduction of Threshold Factor, the system can be more intelligent in determining whether the vehicle needs to be charged, taking into account various factors in actual driving (such as driving habits, changes in road conditions, climate, etc.), and avoiding risks caused by insufficient power estimation by appropriately increasing power demand.

[0107] Here are the effects of different Threshold Factor settings:

[0108]

[0109] By adjusting the Threshold Factor, charging judgment can be more flexibly adapted to the needs of different driving scenarios. For example, when the system sets a higher Threshold Factor, it can cope with complex driving conditions, thereby improving the accuracy and safety of charging warnings.

[0110] After introducing the method of the exemplary embodiment of the present invention, next, refer to Figure 2 A new energy vehicle power management and monitoring method system according to an exemplary embodiment of the present invention is described, and the system includes:

[0111] Deployment connection module, which is used to deploy the vehicle-mounted unit and roadside communication unit on the vehicle and roadside charging pile respectively. The roadside communication unit continuously broadcasts signals through the C-V2X mechanism to handshake with the vehicle-mounted units of nearby vehicles. After the owner registers through the vehicle-mounted unit, the current vehicle information is sent to the roadside communication unit;

[0112] The calculation and judgment module is used to calculate and judge whether the current vehicle needs to be charged by the calculation unit in the charging pile in combination with the vehicle information and the location information of the next nearest charging pile. After the judgment, the roadside communication unit sends a corresponding prompt to the vehicle-mounted unit to wait for the vehicle to respond;

[0113] The information decision module is used to: if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to enter; if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile. If so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time; if not, the roadside communication unit issues a final warning.

[0114] After introducing the method and apparatus of the exemplary embodiment of the present invention, next, reference is made to Figure 3 For a description of a computer-readable storage medium according to an exemplary embodiment of the present invention, please refer to Figure 3 , the computer-readable storage medium shown is a CD 30, on which a computer program (i.e., a program product) is stored. When the computer program is executed by the processor, each step recorded in the above method implementation method will be implemented, for example, the on-board unit and the roadside communication unit are respectively deployed on the vehicle and the roadside charging pile, and the roadside communication unit continuously broadcasts signals through the C-V2X mechanism to shake hands with the on-board units of nearby vehicles. After the owner registers through the on-board unit, the current vehicle information is sent to the roadside communication unit; the calculation unit in the charging pile combines the vehicle information and the next nearest charging pile location information to calculate and determine whether the current vehicle needs to be charged. After the judgment, the roadside communication unit sends a corresponding prompt to the on-board unit to wait for the vehicle to respond; if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to enter, if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, if it can, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time, if not, the roadside communication unit issues a final warning; the specific implementation method of each step is not repeated here.

[0115] It should be noted that examples of the computer-readable storage medium may also include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other optical or magnetic storage media, which are not listed here one by one.

[0116] After introducing the method, apparatus and medium of the exemplary embodiments of the present invention, next, reference is made to Figure 4 A computing device for marine seismic data acquisition according to an exemplary embodiment of the present invention.

[0117] Figure 4 A block diagram of an exemplary computing device 40 suitable for implementing embodiments of the present invention is shown, and the computing device 40 may be a computer system or a server. Figure 4 The computing device 40 shown is only an example and should not bring any limitation to the functionality and scope of use of the embodiments of the present invention.

[0118] like Figure 4 As shown, the components of the computing device 40 may include, but are not limited to: one or more processors or processing units 401, a system memory 402, and a bus 403 connecting different system components (including the system memory 402 and the processing unit 401).

[0119] The computing device 40 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by the computing device 40, including volatile and non-volatile media, removable and non-removable media.

[0120] System memory 402 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 4021 and / or cache memory 4022. Computing device 40 may further include other removable / non-removable, volatile / non-volatile computer system storage media. By way of example only, ROM 4023 may be used to read and write non-removable, non-volatile magnetic media ( Figure 4 is not shown in the Figure 4 As shown in FIG. 4 , a disk drive for reading and writing a removable non-volatile disk (e.g., a "floppy disk") and an optical disk drive for reading and writing a removable non-volatile optical disk (e.g., a CD-ROM, a DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 403 via one or more data medium interfaces. System memory 402 may include at least one program product having a set (e.g., at least one) of program modules that are configured to perform the functions of various embodiments of the present invention.

[0121] A program / utility 4025 having a set (at least one) of program modules 4024 may be stored, for example, in system memory 402, and such program modules 4024 include, but are not limited to, an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment. Program modules 4024 generally perform the functions and / or methods of the embodiments described herein.

[0122] The computing device 40 may also communicate with one or more external devices 404 (e.g., a keyboard, a pointing device, a display, etc.). Such communication may be performed via an input / output (I / O) interface 405. Furthermore, the computing device 40 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) via a network adapter 406. Figure 4 As shown, the network adapter 406 communicates with other modules (such as the processing unit 401, etc.) of the computing device 40 via the bus 403. It should be understood that although Figure 4 Not shown, other hardware and / or software modules may be used in conjunction with computing device 40 .

[0123] The processing unit 401 executes various functional applications and data processing by running the program stored in the system memory 402. For example, the vehicle-mounted unit and the roadside communication unit are respectively deployed on the vehicle and the roadside charging pile. The roadside communication unit continuously broadcasts signals through the C-V2X mechanism to shake hands with the vehicle-mounted unit of the nearby vehicle. After the owner registers through the vehicle-mounted unit, he sends the current vehicle information to the roadside communication unit; the calculation unit in the charging pile combines the vehicle information and the next nearest charging pile location information to calculate and determine whether the current vehicle needs to be charged. After the judgment, the roadside communication unit sends a corresponding prompt to the vehicle-mounted unit to wait for the vehicle to respond; if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to drive in. If the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile. If it can, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time. If not, the roadside communication unit issues a final warning. The specific implementation method of each step will not be repeated here. It should be noted that although several units / modules or sub-units / sub-modules of the synchronous escape wiring device based on multiple commodity flows are mentioned in the above detailed description, this division is only exemplary and not mandatory. In fact, according to an embodiment of the present invention, the features and functions of two or more units / modules described above can be embodied in one unit / module. Conversely, the features and functions of one unit / module described above can be further divided to be embodied by multiple units / modules.

[0124] In the description of the present invention, it should be noted that the terms “first”, “second” and “third” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0125] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0126] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0127] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0128] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0129] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a non-volatile computer-readable storage medium that is executable by a processor. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0130] Finally, it should be noted that the above-described embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

[0131] In addition, although the operations of the method of the present invention are described in a specific order in the drawings, this does not require or imply that the operations must be performed in this specific order, or that all the operations shown must be performed to achieve the desired results. Additionally or alternatively, some steps may be omitted, multiple steps may be combined into one step, and / or one step may be decomposed into multiple steps.

Claims

1. A method for monitoring and managing power of new energy vehicles, characterized in that: include: The on-board unit and the roadside communication unit are deployed on the vehicle and the roadside charging pile respectively. The roadside communication unit continuously broadcasts signals through the C-V2X mechanism to handshake with the on-board units of nearby vehicles. After the car owner registers through the on-board unit, he sends the current vehicle information to the roadside communication unit. The calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate whether the current vehicle needs to be charged. After the judgment, the roadside communication unit sends a corresponding prompt to the on-board unit to wait for the vehicle to respond; If the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle in. If the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile. If so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time. If not, the roadside communication unit issues a final warning.

2. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: The current vehicle information includes remaining battery power and distance to the destination.

3. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: The calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged, including: By calculating the Euclidean distance between the current position of the vehicle and the positions of multiple charging piles, the charging pile closest to the vehicle is found. The calculation formula is: Among them, x1, y1 are the coordinates of the current position of the vehicle, and x2, y2 are the coordinates of the position of the charging pile; When selecting the nearest charging pile from multiple charging piles, the Dijkstra algorithm is combined to calculate the optimal path from the current vehicle position to each charging pile. The Dijkstra algorithm formula is: d(v)=min(d(v),d(u)+w(u,v)) Among them, w(u,v) is the weight of the edge u→v.

4. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: The calculation unit in the charging pile combines the vehicle information and the location information of the next nearest charging pile to calculate and determine whether the current vehicle needs to be charged, and also includes: Set the battery level to E remaining , the energy efficiency of the vehicle is C efficiency , then the maximum driving distance that the remaining power can support is D remaining Calculated as: D remaining =E remaining ×C efficiency When the vehicle sets a destination, the distance D to the destination is calculated destination and the maximum driving distance D that can be supported by the remaining power remaining For comparison. If D remaining ≥D destination , the vehicle can reach the destination without charging; otherwise, the vehicle needs to be charged; The distance from the current location of the vehicle to the next charging station is D charging , then calculate the amount of electricity required to reach the charging pile, according to the vehicle's energy efficiency calculation formula: Among them, E needed is the amount of electricity required to travel to the next charging station; If the vehicle has a remaining charge of E remaining Greater than or equal to the required power E needed , then it can reach the next charging pile smoothly; otherwise, the vehicle needs to be charged.

5. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: The calculation determines whether the current vehicle needs to be charged, and after the determination, the roadside communication unit sends a corresponding prompt to the vehicle-mounted unit to wait for the vehicle to respond, including: Define ID to indicate vehicle ID, e to indicate current remaining power and corresponding driving distance, M to indicate vehicle full power, d to indicate distance to destination, n to indicate nearest charging station list, r to indicate vehicle reply YES or NO, and p to indicate vehicle remaining power percentage; If IFe / M<p&e<d, the roadside communication unit sends a charging reminder to the onboard unit and waits for r; IFr==YES, the roadside communication unit sends navigation information to the vehicle unit, and the vehicle decides whether to drive automatically or manually; ELSE IFr==NO, IFe<min(n), the roadside communication unit sends the final warning to the vehicle-mounted unit, ELSE the roadside communication unit sends the nearest charging pile information and prompts the vehicle to go there; Store ID, e, M, r, and n for future use.

6. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: If the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to drive in. If the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile, including: If the power threshold is set as Threshold Factor, the power required for judgment will be the amount of power calculated by adding the Threshold Factor: E adjusted =E needed ×(1+Threshold Factor) Among them, Threshold Factor is expressed in decimal form; Determine based on the vehicle's remaining power and the adjusted power demand: otherwise:

7. The method for monitoring and managing the power of new energy vehicles according to claim 1, characterized in that: If it is possible, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time. If not, the roadside communication unit issues a final warning, including: If the remaining power of the vehicle is enough to support the next charging pile and the vehicle agrees to charge, the roadside communication unit sends a signal to guide the vehicle to the charging pile, prompting the owner that the vehicle has been successfully identified and is ready to charge; If the vehicle's remaining power is insufficient to support driving to the next charging station after refusing to charge, the charging station calculation unit will issue a final warning, including that the vehicle's remaining power has fallen below the safety threshold, that the current power is insufficient to support reaching the next charging station, and reminding the owner to find a charging station as soon as possible to ensure that there is no power outage during the journey.

8. A new energy vehicle power management and monitoring system, characterized in that: include: Deployment connection module, which is used to deploy the vehicle-mounted unit and roadside communication unit on the vehicle and roadside charging pile respectively. The roadside communication unit continuously broadcasts signals through the C-V2X mechanism to handshake with the vehicle-mounted units of nearby vehicles. After the owner registers through the vehicle-mounted unit, the current vehicle information is sent to the roadside communication unit; The calculation and judgment module is used to calculate and judge whether the current vehicle needs to be charged by the calculation unit in the charging pile in combination with the vehicle information and the location information of the next nearest charging pile. After the judgment, the roadside communication unit sends a corresponding prompt to the vehicle-mounted unit to wait for the vehicle to respond; The information decision module is used to: if the vehicle confirms charging, the roadside communication unit sends a signal to guide the vehicle to enter; if the vehicle refuses to charge, the charging pile calculation unit calculates whether the current vehicle power can support driving to the next charging pile. If so, the roadside communication unit sends the next charging pile information and reminds the owner to charge in time; if not, the roadside communication unit issues a final warning.

9. A computing device, comprising: at least one processor, memory, and input-output unit; The memory is used to store a computer program, and the processor is used to call the computer program stored in the memory to execute the steps of the new energy vehicle power management and monitoring method as described in any one of claims 1 to 7.

10. A computer-readable storage medium comprising instructions, which, when executed on a computer, enables the computer to execute the steps of the new energy vehicle power management and monitoring method as claimed in any one of claims 1 to 7.

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