TWM618860U - Electric vehicle charging management system and the device having electric vehicle managemnet function - Google Patents

Abstract

This disclosure is related to an electric vehicle charging management system and the device having electric vehicle management function, the electric vehicle charging system is used in a collective residence, with a limited amount of contracted electricity capacity, to charge a plurality of electric vehicles; these electric vehicles correspond to a plurality of charging piles and are configured in a one-to-one manner, including: a plurality of control switches, connected to a main power source, to limit a plurality of output power; a plurality of electric meters, individually connected to the control switches, and individually connected to the charging posts, used to calculate the power output to the individual charging posts; and a controller, connected to the control switches, and connected to the electric meters for connecting with a plurality of mobile devices, and receiving a plurality of personalized charging settings for the electric vehicles corresponding to the charging piles from the mobile devices, based on the number of electric vehicles connected to the charging piles, and the corresponding personalized charging settings, to meet the personalized charging settings and the contractual capacity limit according to the internal principle, carry out a charging schedule.

Description

Electric vehicle charging management system, device with electric vehicle management function

This model relates to an electric vehicle charging device, in particular to an electric vehicle charging management system and a device with electric vehicle management functions.

As electric vehicles have the advantages of environmental protection, low noise, easy maintenance and maintenance, and low cost of use, electric vehicles have become the mainstream of the current development of the automotive industry. However, the current market share of electric vehicles only accounts for 2.6% of global car sales (2019). Of course, with the promotion of policies of various countries, the market share of electric vehicles will gradually increase.

With the gradual development of electric vehicles, the demand for charging stations has also risen. At present, mainstream commercial charging stations all provide fast charging function. At present, commercial manufacturers can provide 900kW (kilowatt) ultra-high power fast charging technology (current up to 360A ampere), so that electric vehicles can be used within 5 minutes Charge it to the extent that it can travel 400 kilometers. However, these fast charging technologies will cause a huge load on the power system.

According to my country's policy, those with a contracted capacity of more than 800kW are defined as large power users. The total power consumption of large power users with more than 800kW exceeds 50% of the total power consumption of Taiwan. Large-capacity electricity has become a scarce resource. For any area to rebuild its electricity demand, it must go through the Taiwan Power Corporation. The company’s assessment confirms whether there is enough power and the corresponding feeder to provide. Therefore, although there is a need for a wide range of fast-charging charging stations, it must be considered whether the overall power supply system is sufficient to cope with it.

For general collective housing, its future problems are even more obvious. For example, when the number of households in a tall building is 100, and all of them are electric vehicles, if all are equipped with IEC 62196-2 Type 2, 3-phase 400V (volt)/12.8kW charging heads, 100 households will need 1,280kW power configuration. This building immediately became a major electricity consumer. If the number of households in another building is 300, the electricity demand will increase to 3,840kW. For another example, if all Tesla's super chargers (480V/140kW) are used, the power demand of 100 households is 14,000kW, and the power demand of 300 households is 52,000kW, which is far beyond many large industrial households. Demand for electricity. Taking my country's limited electric power infrastructure as an example, it is totally unable to cope with this huge charging demand.

However, the current charging stations are all based on a single electric vehicle charging demand, and have not considered the huge charging demand of these collective houses. In order to solve this problem, the CN102655335A patent publication uses the technology of parallel management of the community monitoring station to control the quality of service by the user's choice, so that the limited power supply can limit the actual output through the parallel method. . However, this technology can only select the service quality at each charging station, that is, each charging station is not a charging station exclusive to a certain user, and its selection is a single selection. The community monitoring station can control the train (that is, the charging schedule) according to all the selected users at the moment, which is not completely applicable to the collective housing.

In addition, for users of collective houses, each user’s habit of using vehicles is different. For example, some people drive out a lot of days, but they always plug in the charger; for example, some people drive every day when they go out and usually in the morning. Go out at 10 o'clock, come back at 10 o'clock in the evening, and only drive 10 kilometers every day. Various different habits of using charging stations have not been adopted at present. EMU charging management system. In addition, the prior art does not provide a charging management system for a collective house with a mobile device to perform the aforementioned personal habitual setting mode, so as to make the charging management system for a collective house more intelligent.

Therefore, how can we advance the layout and design an electric vehicle charging management system for a collective residence, so that it can accept the users in the collective residence to personalize the use settings through the mobile device application, and, further, the system collects The user’s electric vehicle usage habits, after statistical calculations, obtain an optimized charging management schedule, and, furthermore, the system can temporarily share the charging station of the parking space with other friends’ electric vehicles through the application of the mobile device. Cars have become an important direction for the development of electric vehicle charging management system technology for collective residential buildings in the future.

In view of this, this new model proposes an electric vehicle charging management system, a device with electric vehicle management functions, using the full-broadcast charging management application (APP) on the mobile device and the controller (or server) of the electric vehicle charging management system ) To set personalized charging requirements, and then analyze the user's electric vehicle charging behavior statistics through the controller (or server) to generate an optimized electric vehicle charging setting suggestion, which can implement the personalized charging requirements Optimized settings, and meet the limited power, personalization and optimized charging management requirements of special technical effects of collective housing.

In order to achieve the above-mentioned purpose, the present invention proposes an electric vehicle charging system, which is used in a collective housing to charge a plurality of electric vehicles with a limited amount of contracted electricity capacity. These electric vehicles correspond to a plurality of charging piles. One-to-one configuration, including: multiple control switches, connected to a main power source to limit multiple output power; multiple electric meters, individually connected to the control switches, and individually connected to the charging piles, for calculation The power output to the individual charging station; and a controller, connected Connect the control switches and connect the electric meters to connect to a plurality of mobile devices, and receive the plurality of personalized charging of the electric vehicles corresponding to the charging piles from the mobile devices Set, and based on the number of electric vehicles connected to the charging piles and the corresponding personalized charging settings, so as to meet the principle that the personalized charging settings and the contractual capacity are within the limit, Perform a charging schedule.

A device with electric vehicle management function, used in an electric vehicle charging system. The electric vehicle charging system is used in a collective residential building. The electric vehicle charging system is used to charge a plurality of electric vehicles with a limited amount of contracted electricity capacity. Corresponding to a plurality of charging piles, configured in a one-to-one manner, including: a communication unit for sending or receiving messages to a controller of the electric vehicle charging system, the controller; a screen; a memory, Install a full cloth charging management application, which generates a personalized charging setting screen, the personalized charging setting screen contains at least a plurality of setting options: a charging completion time option, a minimum allowable charging Volume options, a quick charge limit setting option; and one or more processors to execute the full-distribution charging management application to control the communication unit, the data transmission and reception, access and other actions of the memory, and control The display on the screen; when the full-cloth charging management application receives the setting result of the personalized charging setting option, it is sent to the controller.

The detailed features and advantages of the new model will be described in detail in the following embodiments. The content is sufficient to enable anyone familiar with the relevant skills to understand the technical content of the new model and implement it accordingly, and based on the content disclosed in this specification, the scope of patent application and the drawings. , Anyone who is familiar with relevant skills can easily understand the purpose and advantages of the present invention.

10: Mobile device

11: One or more processors

12: Memory

13: Communication unit

14: Full cloth charging management application

15: screen

15-1: Battery status pattern

15-2: Charging information field

15-3: Start charging button

15-4: Schedule setting key

15-5: Charging schedule symbol

15-41: The first scheduling option

15-42: Second scheduling option

15-43: Third scheduling option

15-44: Fourth scheduling option

20: Controller

21: processor

22: Memory

23: Communication unit

24: Full cloth charging management program

30-1, 30-2, 30-3, 30-n: circuit breaker

40-1, 40-2, 40-3, 40-n: electric meter

50-1, 50-2, 50-3, 50-n: charging pile

51-1, 51-2, 51-3, 51-n: screen

52-1, 52-2, 52-3, 52-n: Start button

53-1, 53-2, 53-3, 53-n: charging head

60: total meter

70: Terminal

71: screen

72-1: Parking status management screen

72-2: Parking status information bar

72-3: drop-down menu

73-1: Overall system status screen

73-2: Basic data field

73-3: Status field

80-1, 80-n: electric vehicles

Figure 1, the overall system architecture diagram of the new full-distribution electric vehicle charging management system of the present invention.

FIG. 2A and FIG. 2B are the hardware configuration cost structure of the mobile device 10 and the hardware configuration architecture diagram of the controller 20, respectively.

Figure 3 is the main flow chart of the control method of the new full-distribution electric vehicle charging system.

Figures 4A and 4B are schematic diagrams of the state screens of the terminal 70 connected to the controller 20 monitoring the full-distribution charging management system in an embodiment of the new type.

Figures 5A to 5I, a specific embodiment of the present invention, illustrate how users can achieve personalized charging settings through the full-breadth charging management application on the mobile device.

This new model uses the full-distribution charging management application (APP) on the mobile device and the controller (or server) of the electric vehicle charging management system to set personalized charging requirements, and then through the controller (or server) to the user Analyze the electric vehicle charging behavior statistics data to generate an optimized electric vehicle charging setting suggestion, which can implement the personalized charging demand optimization setting, and meet the limited power, personalization and optimization of the collective housing Special technical effects required for charging management.

Please refer to Figure 1, the overall system architecture diagram of the new full-distribution electric vehicle charging management system, which includes: total meter 60, controller 20, circuit breaker 30-1, circuit breaker 30-2, circuit breaker 30 -3, circuit breaker 30-n, electric meter 40-1, electric meter 40-2, electric meter 40-3, electric meter 40-n, charging pile 50-1, charging pile 50-2, charging pile 50-3, charging pile 50 -n, charging head 53-1, charging head 53-2, charging head 53-3, charging head 53-n; charging head 53-1, charging head 53-n can be used for electric vehicles 80-1, electric vehicles 80- n charging, its specifications will correspond to the brand of electric vehicle 80-1 and electric vehicle 80-n. Charging pile 50-1, charging pile 50-2, charging pile 50-3, Each charging station 50-n has a screen 51-1, a screen 51-2, a screen 51-3, a screen 51-n and a start key 52-1, a start key 52-2, a start key 52-3, and a start key 52-n . Generally speaking, charging piles and charging heads are provided by electric vehicles. Therefore, in terms of system architecture, the current more suitable way is to change the total meter 60 to the meter 40-1, the meter 40-2, and the meter 40-3. , After the hardware system of the electric meter 40-n is built, let users install the charging pile and charging head by themselves.

It can be seen from the system architecture in Figure 1 that when the number of n is large enough, a technical problem of excessive overall power demand will occur. The controller 20 controls the circuit breaker 30-1, circuit breaker 30-2, circuit breaker 30-3, and circuit breaker 30-n to limit the charging pile 50-1, charging pile 50-2, charging pile 50-3, and charging The amount of current and the power supplied by the pile 50-n, that is, through the overall deployment of the power of the charging pile 50-1, charging pile 50-2, charging pile 50-3, and charging pile 50-n to realize the overall consumption Power Control.

Basically, for ordinary electric vehicles, especially for users in cities, since commuters are the main purpose of use, the daily electricity consumption of electric vehicles is about 10%. In other words, an electric car can be fully charged once every 10 days. This can be used as a reference for the overall electricity consumption of the new full-distribution electric vehicle charging management system. While the night is the main charging time, electric vehicle owners may also charge outside during the day. Therefore, 10% to 15% of the overall electric vehicle power demand can be planned as the overall power demand. Taking a 60kwh (kilowatt hour) electric car as an example, if it takes about 50kwh~55kwh to charge fully (in terms of consumer behavior, the general electric car will not be charged until the electricity is completely exhausted), then it can be 6kw Charge for about 9 hours to plan. In other words, if 300 households use a full-distribution electric vehicle charging system and a utilization rate of 15%, the electricity demand is 300x0.15x6=270kw. Compared with the aforementioned IEC 62196-2 Type 2, 3-phase 400V (Volt)/12.8kW charging head, 300 households need 3,840kW power configuration, which is much lower.

If the contract capacity of the charging system of 270kw is considered, when a user needs fast charging Therefore, the charging power can be appropriately increased according to the power margin of the existing system, and implemented with the concept of "variable fast charging". Taking the aforementioned example of 300 charging piles as an example, if there are currently 30 electric vehicles charged according to the general standard 6kw mode, 180kw power is used, and 90kw capacity is still available. If there are two need for fast charging at this time, each can be configured with a power of 45kw, so that it can complete its 60kwh battery charge within 1 hour and 20 minutes. If there are currently 40 electric vehicles that are charged according to the general 6kw standard mode, 240kw power is used, and there is still 30kw capacity available for use. If there are two fast charging needs at this time, each can be configured with 15kw power, so that it can complete its 60kwh battery charge within 4 hours. So on and so forth.

With this kind of overall deployment and variable fast charging technical means, the overall power consumption of the new full-distribution electric vehicle charging system can be controlled within the contracted capacity, without causing the overall power system load .

Therefore, one of the main technical features of the present invention is how to realize the aforementioned dynamic control of the circuit breaker 30-1, the circuit breaker 30-2, the circuit breaker 30-3, and the circuit breaker 30-n by the controller 20. Electricity deployment in various states. In addition, how to realize the optimal power configuration by analyzing the user's electric vehicle charging behavior and setting the user's own personal needs through the mobile device 10 is another main technical feature of this new model. Hereinafter, they will be explained separately.

Please refer to FIG. 2A and FIG. 2B, which are the hardware configuration cost structure of the mobile device 10 and the hardware configuration architecture diagram of the controller 20, respectively.

Among them, the mobile device 10 in Figure 2A includes: one or more processors 11, memory 12, communication unit 13, screen 15, etc. Current mobile devices are mostly smart mobile devices, and most of their screens are touch-sensitive monitor. In the memory 12, a full-distribution charging management application 14 has been installed in it. One or more processors 11 are used to execute the full-distribution charging management application 14 and control The communication unit 13 and the memory 12 perform data receiving, sending, and accessing operations. The communication unit 13 can communicate with the external Internet (not shown), and communicate with the controller 20 (Figure 2B). The controller 20 in Figure 2B includes a processor 21, a memory 22, a communication unit 23, and so on. The controller 21 is used to control the operation of the communication unit 23 and the memory 22, and control the circuit breaker 30-1, the circuit breaker 30-2, the circuit breaker 30-3, and the circuit breaker 30-n to charge the charging pile 50-1 and Pile 50-2, charging pile 50-3, and charging pile 50-n perform current limiting or cut-off. The locomotive rear view device 20 uses the power source of the battery of the locomotive 100, or can provide its independent power source. This is a part of the conventional technology and will not be repeated here. The communication unit 23 can adopt a WiFi module or a mobile communication module to communicate with the mobile device 10 through a local area network or a telecommunication network. The memory 22 can be the internal memory of the controller 21, or an independent memory, which is also a part of the conventional technology, and will not be described here.

Next, please refer to Figure 3, the main flow chart of the control method of the new full-battery electric vehicle charging system. Below, we will use Figure 4A, Figure 4B, and Figures 5A to 5I to illustrate the new model. How to realize the personalized charging parameter setting and the optimization of the charging system by the technical means of the company. Figure 3 contains the following steps:

Step S101: Confirm the number of electric vehicles that have entered the charging state. The charging pile 50-1, the charging pile 50-2, the charging pile 50-3, and the charging pile 50-n respectively have a start key 52-1, a start key 52-2, a start key 52-3, and a start key 52-n. The concept that this step has entered the charging state can be carried out in a variety of ways. For example, when the charging head is inserted into the electric vehicle, the system is regarded as activated and enters the charging state. This is the basic action. The second situation is that after inserting the charging head into the electric vehicle, and then pressing the start button, the electric vehicle is deemed to be in the charging state. The controller 20 can perform electric vehicle charging management after this step, that is, firstly, it counts how many electric vehicles have entered the charging start state, that is, the state of being ready for charging.

Step S102: Confirm a plurality of personalized charging settings of the electric vehicles. The next step is to determine the personalized charging setting status of each electric vehicle, and then proceed with the charging schedule.

Step S103: Perform an optimized schedule based on the number of electric vehicles to be charged and the content of the personalized charging settings, based on not exceeding the contracted power consumption capacity, and based on the dynamics of the personalized charging settings Adjust the value of the general charging power, the value of a variable fast charging power, the value of a very slow charging power, etc., and calculate the charging schedule of one of the electric vehicles.

Please refer to FIG. 4A and FIG. 4B, which are schematic diagrams of the terminal 70 connected to the controller 20 to monitor the status screen of the full-distribution charging management system. In the embodiment shown in Fig. 4A, the screen 71 displays the overall system status screen 73-1. In the overall system status screen 73-1, the basic data field 73-2 and the status field 73-3 are included. Taking this embodiment in Figure 4A as an example, the system overall status screen 73-1 displays basic data such as "rated power: 200kw", "number of charging piles: 150", "number of logins: 130". Plus the data in the status column 73-3, which is "Charging power: 190kw"; "Charging vehicles: 25", "To be scheduled to enter: 1", "Quick charge: 1", "General" Charge amount: 19", "Very slow charge amount: 5", etc. These are based on the basis of step S101 and step S102, and the result of adjusting the value of the general charging power in step S103. In this embodiment, specific data can also be displayed, for example, "General charging power: 6kw", "Fast charging power: 66kw", "Very slow charging power: 4kw"; or, "General charging power: 6kw" , "Quick charge power: 71kw", "Very slow charge power: 3kw". In the embodiment shown in Fig. 4A, there is an electric car waiting to enter the schedule, and it can wait for the fast-charged electric car to be fully charged before entering the schedule. The execution of Fig. 4A requires the user to perform personalized charging settings in advance. For the actual results, please refer to the embodiment in Fig. 4B.

In the embodiment shown in FIG. 4B, the screen 71 displays a parking space status management screen 72-1, which mainly includes a parking space status information bar 72-2 and a drop-down menu 72-3. In the embodiment of Figure 4B, the car The bit status information column 72-2 includes information such as number, status, and personalization settings. The drop-down menu 72-3 can display the detailed content (not shown) of the personalization setting, which can correspond to the part of the embodiment in FIG. 5E to FIG. 5I. Among them, in this embodiment, the personalization settings include "Finish" and "System Settings". When the user sets and saves the set value by himself, the system can set according to the user's personalization; on the contrary, if the user does not set it by himself, the system can perform dynamic charging and deployment according to the preset value.

Next, please refer to FIGS. 5A to 5I, which specifically illustrate how the user implements personalized charging settings through the full-cloth charging management application 14 on the mobile device 10. In Figure 5A, the screen 15 of the mobile device 10 displays a battery status pattern 15-1, a charging information field 15-2, a charging start button 15-3, and a schedule setting button 15-4. The user can choose to press the start button on the charging station, or click the start charging button 15-3 on the screen of the full-cloth charging management application 14 on the mobile device 10, and then enter the charging schedule. This is the various implementation modes of the start key in step S101. When "after charging is started", the full cloth charging management application 14 will display the state shown in Figure 5B, enter the charging schedule, and display the charging schedule symbol 15-5. Once the scheduled time (such as 23:15 in Figure 5B) is up, charging will begin. As shown in Figure 5C, the charging information column 15-2 shows that the battery status has risen from 30% in Figure 5B to the first 50% of Figure 5C. When fully charged, the charging information field 15-2 shows that the battery status is 100%, and the battery status drawing 15-1 also changes accordingly.

It can be seen from the embodiments in Figures 5A to 5D that the user can clearly grasp the charging status of the electric vehicle through the full-bath charging management application 14. More importantly, the full-bath charging management application 14 can perform personal Please refer to Figure 5E to Figure 5I for detailed charging settings. When the user clicks the schedule setting button 15-4, the full-scale charging management application 14 will display the schedule setting option screen as shown in Figure 5E, which contains multiple schedule setting options, such as the first schedule option 15 -41, the content is: the latest charging completion time; the second scheduling option 15-42, the content: using the fast charge limit; the third scheduling option 15-43, The content is: the minimum charge is allowed; the fourth schedule option 15-44, the content is: the system recommended use mode. When the user clicks on an individual option, the screens in Figures 5F to 5I will pop up respectively.

When the user presses the first scheduling option 15-41 in Figure 5E, the full-broadcast charging management application 14 will correspondingly jump out of the screen in Figure 5F. The detailed content of the first scheduling option 15-41 can be displayed. Allow the user to enter the data of the latest completion time of charging and press the store button to store this set value. The parameter of the latest charging completion time is very important data for the full-distribution charging management program 24. Because this data allows the full-distribution charging management program 24 to adjust the schedule of each electric vehicle to move its time forward or backward, making the schedule more flexible.

When the user presses the second scheduling option 15-42 in Figure 5E, the full-scale charging management application 14 will correspondingly jump out of the screen of Figure 5G. The detailed content of the second scheduling option 15-42 can be displayed. Let the user press the quick charge button. In the embodiment shown in Fig. 5G, since the user has used the fast recharge limit too much, the screen shows that the current fast recharge limit is 0. Therefore, the use key is in the Disable state and cannot be clicked.

When the user presses the third scheduling option 15-43 in Figure 5E, the full-scale charging management application 14 will correspondingly jump out of the screen in Figure 5H. The detailed content of the third scheduling option 15-43 can be displayed. Allow the user to enter the data that allows the minimum charge capacity and press the store button to store this set value. In the embodiment shown in Fig. 5H, the data of the minimum charge power input by the user is 60%, that is, the user agrees that the system can only charge 60% of the power. This embodiment can be used when the system power is tight. In other words, when more users set this function, the full-distribution charging management program 24 will have more margin to meet the charging needs of more users. And this embodiment can be used with the public electricity bill payment mechanism of collective housing. In other words, users who agree to the minimum charge level can receive subsidies when this happens to reduce the share of electricity bills. The source of this subsidy is fast charging. The proportion of users’ increased apportionment.

When the user presses the fourth scheduling option 15-44 in Figure 5E, the full-scale charging management application 14 will correspondingly jump out of the screen in Figure 5I. The details of the fourth scheduling option 15-44 are displayed inside After the statistics of the full-distribution charging management program 24, the user's suggested charging mode can be stored and executed when the user presses the adopt button. Taking the example in Figure 5I, the results of the system analysis found that the user has never used fast charging, so a suggestion is made to exchange the fast charging quota with others, and it is recommended to charge 5% every day according to the schedule, and the maximum charging capacity is 80 %Wait. This system suggestion can also be combined with the aforementioned subsidy program to allow other users who need it to perform fast charging.

As for another embodiment of the present invention, a quick charge exchange option can be added to the quick charge usage quota screen of the 5G chart, so that the fast charge quota can be transferred to other users and reduce their own power sharing ratio. To reduce costs.

For another embodiment of the present invention, a setting option for charging pile sharing can also be added to Fig. 5E, that is, the fifth scheduling option. When the user selects this option, he can input the relevant information of the electric vehicle he wants to share, so that the all-distributed charging management program 24 records the shared electric vehicle-related information, and when the electric vehicle enters the schedule, dynamic charging is performed Adjustment. This sharing mechanism can be connected in series with other electric vehicle charging sharing platforms, which further improves the practicality of the present invention.

From the above example of schedule setting in Fig. 5E to Fig. 5I and related description, it can be seen that the full-distribution charging management application 14 allows the full-distribution charging management program 24 to control different electric vehicles through multiple scheduling settings. The user’s habit of using electric vehicles, and these personalized charging settings are used to implement better scheduling settings. The full-distribution charging management program 24 has greater possibilities and greater flexibility, and can satisfy the full-distribution electric vehicle system of the collective housing that far exceeds the theoretical power demand within the contracted capacity. Therefore, through the new type of technical means, special technical effects such as personalized charging settings, minimizing power requirements for collective houses, and dynamic charging management can be achieved.

Although the technical content of the present invention has been disclosed in a preferred embodiment as above, it is not intended to limit the present invention. Anyone who is familiar with this technique, who does not deviate from the spirit of the present invention, makes some changes and modifications, shall be covered by the present invention. Therefore, the scope of protection of this new model shall be subject to the scope of the attached patent application.

20: Controller

21: processor

22: Memory

23: Communication unit

24: Full cloth charging management program

Claims (8)

An electric vehicle charging system is used in a collective residence, with a limited amount of contracted electricity capacity, to charge a plurality of electric vehicles. These electric vehicles correspond to a plurality of charging piles and are configured in a one-to-one manner, including: Multiple control switches, connected to a general power supply, to limit multiple output power; multiple electric meters, individually connected to the control switches, and individually connected to the charging posts, used to calculate the power output to the individual charging posts ; And a controller, connected to the control switches, and connected to the electric meters for connecting with a plurality of mobile devices, and receiving the electric vehicles corresponding to the charging piles from the mobile devices A plurality of personalized charging settings, and based on the number of the electric vehicles connected to the charging piles and the corresponding personalized charging settings, to meet the personalized charging settings and the contractual capacity limit According to the internal principle, carry out a charging schedule. The electric vehicle charging system according to claim 1, wherein the personalized charging setting includes: a latest charging completion time, a minimum allowable charging amount, and a fast charging limit setting. The electric vehicle charging system according to claim 1, wherein the personalized charging setting further includes: a charging sharing setting. The electric vehicle charging system according to claim 1, wherein the controller further generates a plurality of personalized charging setting suggestions according to the charging history of the electric vehicles, and outputs them to the corresponding mobile devices. The electric vehicle charging system according to claim 4, wherein when the controller receives the confirmation command of the personalized charging setting suggestion from the mobile device, it replaces the originally stored personalized charging setting suggestion with the personalized charging setting suggestion Charging settings. A device with electric vehicle management function, used in the electric vehicle charging system of claim 1, comprising: a communication unit for sending or receiving messages to a controller of the electric vehicle charging system; a screen; A memory with a full cloth charging management application installed. The full cloth charging management application generates a personalized charging setting screen. The personalized charging setting screen contains at least a plurality of setting options: a charging completion time option, An option of allowing the lowest charging capacity, an option of setting a fast charge limit; and one or more processors for executing the full-broadcast charging management application to control the communication unit, the data receiving and sending of the memory, etc. Action, and control the display of the screen; when the full cloth charging management application receives the setting results of the setting options, it will be sent to the controller. The device with electric vehicle management function according to claim 6, wherein the one personalized charging setting screen further includes a personalized charging setting suggestion option, which is generated by the controller according to the charging history of the electric vehicle. The device with electric vehicle management function according to claim 6, wherein the personalized charging setting screen further includes: a charging sharing setting option.

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