TWI813034B - Intelligent charging device management system and method - Google Patents

Abstract

The present invention provides a smart charging device management system and method. The management method includes the following steps: the scheduled client sets a preset upper limit and a preset lower limit of a power grid contract capacity limit of the power grid, and the capacity of the energy storage equipment. The preset lower limit of the average value; the processor reads the current upper limit of the power grid contract capacity; the processor reads the current real-time power consumption information; the processor reads the current status of the charging equipment; the processing The processor reads the current information of the energy storage equipment; the processor compares the current contract capacity limit of the power grid with the current real-time power consumption information; the processor arranges for the power grid to charge the energy storage equipment; the processor The processor performs intelligent distribution on the power grid and the energy storage devices. The power grid and the energy storage devices allocate power to the charging devices according to a preset power supply ratio, and the energy storage devices use the ones with the most power. Prioritize power supply; the processor compares whether the average capacity of these energy storage devices is lower than the preset lower limit; the processor begins to adjust the charging power of the charging device to a preset power value, and through the above steps, the Intelligent power distribution can cope with the power consumption of various charging equipment, and there is no need to send people to constantly monitor the power consumption, thereby reducing the cost of manual operation of equipment.

Description

Intelligent charging device management system and method

The present invention relates to an intelligent charging device management system and method, and in particular, to a method that uses intelligent power distribution to cope with the power consumption of various charging equipment without having to send people to monitor the power consumption all the time, thus achieving the effect of reducing the cost of manual operation of the equipment.

According to the current vigorous development of green projects, the frequency of use of electric vehicles has gradually increased, which has also led to the rapid development of related industries. Electric vehicles use electric power to replace the fossil fuels of traditional vehicles as power to avoid emitting large amounts of exhaust gas. This is also a design A major step forward in raising awareness of environmental protection, most countries have planned a large number of electric vehicle charging stations to promote the willingness to purchase electric vehicles.

However, the equipment of electric vehicle charging stations is not only expensive. When charging electric vehicles, the charging power is often unevenly distributed, causing the charging quota to exceed the budget and even exceed the capacity limit originally signed with the power company. This in turn causes the operator to Paying more fines to the power company, consuming manpower, and constantly monitoring the charging situation are the key points that those engaged in this industry are eager to study and improve.

Therefore, in view of the above problems and deficiencies, the inventor collected relevant information, evaluated and considered it from many parties, and based on his many years of experience in this industry, through continuous trial production and modifications, this kind of intelligent charging device management system and method were designed and the invention patent was born.

The main purpose of the present invention is to provide an intelligent charging device management method that uses a plurality of charging devices to charge according to a charging request transmitted by at least one electric vehicle, and each of these charging devices is equipped with an energy storage device that stores reserve power. Equipment, these charging equipment are connected to a power grid for power transmission. The power grid provides real-time power consumption information based on the transmitted power, and an intelligent charging management system is equipped with a processor that retrieves the power consumption through the network. Real-time power consumption information, the status of the charging equipment and the information of the power storage equipment, and controlling the schedule and power output of the charging equipment, and the processor is connected to a predetermined client to set various parameters, The smart charging device management method includes the following steps: the reservation client sets a preset upper limit and a preset lower limit of a grid contract capacity limit of the power grid, and a preset lower limit of the average capacity of the energy storage equipment; the processor The processor reads the current upper limit of the power grid contract capacity; the processor reads the current real-time power consumption information; the processor reads the current status of the charging equipment; the processor reads the current status of the power storage equipment information; the processor compares the current contract capacity limit of the power grid with the current real-time power consumption information; the processor arranges the power grid to charge the energy storage devices; the processor compares the power grid and the storage devices Energy equipment performs intelligent distribution. The power grid and the energy storage equipment allocate power to the charging equipment according to a preset power supply ratio, and the energy storage equipment gives priority to the one with the most power; the processor compares Whether the average capacity of the energy storage devices is lower than the preset lower limit; the processor begins to adjust the charging power of the charging device to a preset power value. Through the above steps, intelligent power distribution of charging devices that cope with various power consumption is achieved. , and determine whether the source of charging power is directly output from the power company's power grid or output from energy storage equipment, and automated intelligent power distribution does not require people to constantly monitor power consumption, thereby reducing the cost of manual operation of equipment.

A secondary purpose of the present invention is to provide an intelligent charging device management system, which includes: a plurality of charging devices. A single charging device includes an energy storage device that stores reserve power, and the charging device receives at least one electric vehicle transmission. A charging request, and the electric vehicle is charged according to the charging request; a power grid, which has a power grid contract capacity upper limit, and the power grid charges the charging equipment on the principle of not exceeding the power grid contract capacity limit. Transmit power, and transmit real-time power consumption information based on the output power; an intelligent charging management system, which includes a processor that compares the real-time power consumption information transmitted by the power grid through the network with the power grid contract The upper limit of the capacity is determined, and the power output and schedule of the charging equipment are determined based on the charging requests transmitted by the charging equipment through the network; a reservation client is connected to the processor, and the reservation client can adjust Parameters used for comparison within the charging equipment and the power grid.

1:Charging equipment

11:Energy storage equipment

12:Electric vehicles

2:Power grid

21:Smart meter infrastructure

3: Intelligent charging management system

31: Processor

4: Booking client

51: The reservation client sets the preset upper limit and the preset lower limit of the power grid contract capacity limit of the power grid, and the preset lower limit of the average capacity of the energy storage equipment.

52: The processor reads the current contract capacity limit of the power grid.

53: The processor reads the current real-time power consumption information

54: The processor reads the current status of the charging device

55: The processor reads the information of the current power storage device

56: The processor compares the current contract capacity limit of the power grid with the current real-time power consumption information

57: The processor arranges for the power grid to charge these energy storage devices

58: The processor performs intelligent distribution on the power grid and the energy storage equipment. The power grid and the energy storage equipment allocate power to the charging equipment according to a preset power supply ratio.

59: The processor compares whether the average capacity of these energy storage devices is lower than the preset lower limit

60: The processor begins to adjust the charging power of the charging device to a preset power value

[Figure 1] is a functional block diagram of the intelligent charging device management system of the present invention.

[Figure 2] is a flow chart of the intelligent charging device management method of the present invention.

In order to achieve the above objects and effects, the technical means and structures adopted by the present invention are described in detail below with reference to the preferred embodiments of the present invention, so as to facilitate a complete understanding.

Please refer to Figure 1, which is a functional block diagram of the intelligent charging device management system of the present invention. It can be clearly seen from the figure that the intelligent charging device management system of the present invention includes a plurality of charging equipment 1, a power grid 2, and an intelligent charging device. Charging management system 3 and a reservation client 4, each function The specific functions and connection relationships of the blocks are detailed as follows:

A plurality of charging devices 1, of which a single charging device 1 includes an energy storage device 11 that stores reserve power, and the charging device 1 will receive a charging request transmitted by at least one electric vehicle 12, and charge the battery according to the charging request. Electric vehicle 12 is charged.

And the energy storage device 11 is not limited to being installed inside the charging device 1 . The energy storage device 11 can also be installed on one side outside the charging device 1 and be electrically connected to the charging device 1 .

A power grid 2, which has an upper limit of the contracted capacity of the power grid, and the power grid 2 transmits power to the charging equipment 1 on the principle of not exceeding the upper limit of the contracted capacity of the power grid, and transmits an instant power according to the output power. information.

An intelligent charging management system 3 includes a processor 31. The processor 31 compares the real-time power consumption information transmitted by the power grid 2 through the network and the contracted capacity upper limit of the power grid, and charges the charging equipment 1 according to the The charging requests transmitted through the network determine the power output and schedule of the charging devices 1 .

A predetermined client 4 is connected to the processor 31, and the predetermined client 4 can adjust the parameters for comparison in the charging equipment 1 and the power grid 2.

Please refer to Figure 2, which is a flow chart of the smart charging device management method of the present invention. Multiple charging devices 1 are used to charge according to a charging request transmitted by at least one electric vehicle 12, and the charging devices 1 have internal systems. Each is equipped with an energy storage device 11 that stores reserve power. These charging devices 1 are connected to a power grid for power transmission. The power grid 2 provides real-time power consumption information based on the transmitted power, and an intelligent charging management system 3 has an internal There is a processor 31 that retrieves the real-time power consumption information, the status of the charging equipment 1 and the information of the power storage equipment 11 through the network, and controls the schedule and power of the charging equipment 1 output, and the processing The device 31 is connected to a predetermined client to set various parameters. The smart charging device management method includes the following steps:

Step 51: The reservation client sets a preset upper limit and a preset lower limit of the power grid contract capacity limit of the power grid, and a preset lower limit of the average capacity of the energy storage devices 11.

Step 52: The processor reads the current upper limit of contracted capacity of the power grid.

Step 53: The processor reads the current real-time power consumption information.

Step 54: The processor reads the current status of the charging device.

Step 55: The processor reads the information of the current power storage device.

Step 56: The processor compares the current upper limit of the power grid contract capacity with the current real-time power consumption information. If the real-time power consumption information is lower than the preset lower limit of the upper limit of the power grid contract capacity, execute step (57); If it is between the preset lower limit and the preset upper limit, perform step (58); if it is higher than the preset upper limit, perform step (59).

Step 57: The processor arranges for the power grid to charge the energy storage devices and continues to step (52).

Step 58: The processor makes intelligent allocation to the power grid and the energy storage devices. The power grid and the energy storage devices allocate power to the charging devices according to a preset power supply ratio, and the energy storage devices are Use the one with the most power to provide power first, and continue to step (52).

Step 59: The processor compares whether the average capacity of the energy storage devices is lower than the preset lower limit. If not, execute step (58); if yes, execute step (60).

Step 60: The processor begins to adjust the charging power of the charging device to a preset power value and continues to step (52).

The above-mentioned smart charging device management method is disclosed through the first figure. Charging equipment 1, a power grid 2, an intelligent charging management system 3 and a scheduled client 4 are hardware devices, and data are transmitted between these hardware devices through wired or wireless networks, and the charging equipment 1 The system will receive a charging request transmitted by at least one electric vehicle 12, and charge the electric vehicle 12 according to the charging request, and the charging request further includes corresponding user information of the electric vehicle 12. The user The user information is used to record a user priority level, and transmits the user priority level to a processor 31 in the intelligent charging management system 3 through the network to assist the processor 31 in scheduling and controlling the charging equipment 1 Charge at least one electric vehicle 12 respectively, and the processor 31 individually retrieves the charging fee information of one of the charging devices 1 through the network, and calculates the charging fee corresponding to the charging requests based on the charging fee information. The calculated charging charging amounts of the charging requests are individually transmitted to the corresponding charging equipment 1 so that they can be charged accordingly.

The power grid 2 is equipped with a smart meter infrastructure (Advanced Metering Infrastructure) 21 for real-time energy monitoring. The smart meter infrastructure 21 can read the real-time power consumption information in the power grid 2 and transmit it through the network. The real-time power consumption information is transmitted to the intelligent charging management system through road transmission, and the real-time power consumption information further includes time-differential electricity prices applicable to the power supply equipment, in which the processor 31 further schedules and controls the charging equipment individually. Charging of these electric vehicles 12 ensures that the total electricity price of the electricity used by each of the charging devices to charge the electric vehicles 12 is minimized.

The scheduled client 4 can allocate the preset power supply ratio and the usage ratio of the preset power value in accordance with the project terms, in which the preset upper limit of the power grid contract capacity limit is 95%, the preset lower limit is 70%, and the preset lower limit is 70%. The preset lower limit of the average capacity of some energy storage devices 11 is preferably 30%.

Through the disclosure of Figures 1 to 2, we can understand the smart charging device of the present invention. The management system and method can use the intelligent charging management system 3 to intelligently distribute power to these charging devices 1 through network transmission to cope with various power consumption and avoid insufficient power supply, and does not need to be maintained all the time. Someone was sent to monitor the power supply to save manpower, so a patent application was filed to seek patent protection.

The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Therefore, any simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be included in the same This invention is within the scope of the patent and shall be clarified.

In summary, the smart charging device management system and method of the present invention can indeed achieve its effects and purposes when used in actual applications. Therefore, the present invention is a research and development with excellent practicality and meets the application requirements for an invention patent. It is in accordance with the law. I have submitted an application and hope that the review committee will approve this case as soon as possible to protect the inventor's hard work of research and development and creation. If the review committee of Jun Bureau has any doubts, please feel free to write a letter for instructions. The inventor will try his best to cooperate. It will be greatly appreciated.

51: The reservation client sets the preset upper limit and the preset lower limit of the power grid contract capacity limit of the power grid, and the preset lower limit of the average capacity of the energy storage equipment.

52: The processor reads the current contract capacity limit of the power grid.

53: The processor reads the current real-time power consumption information

54: The processor reads the current status of the charging device

55: The processor reads the information of the current power storage device

56: The processor compares the current contract capacity limit of the power grid with the current real-time power consumption information

57: The processor arranges for the power grid to charge these energy storage devices

58: The processor performs intelligent distribution on the power grid and the energy storage equipment. The power grid and the energy storage equipment allocate power to the charging equipment according to a preset power supply ratio.

59: The processor compares whether the average capacity of these energy storage devices is lower than the preset lower limit

60: The processor begins to adjust the charging power of the charging device to a preset power value

Claims (7)

An intelligent charging device management method uses a plurality of charging equipment to charge according to a charging request transmitted by at least one electric vehicle, and each of the charging equipment is equipped with an energy storage device that stores reserve power. The charging equipment is Connected to a power grid for power transmission, the power grid provides real-time power consumption information based on the transmitted power, and an intelligent charging management system is equipped with a processor that retrieves the real-time power usage information and the power consumption information through the network. The status of the charging equipment and the information of the power storage equipment, and control the schedule and power output of the charging equipment, and the processor is connected to a predetermined client to set various parameters. The intelligent charging device management method includes The following steps: (A) The reservation client sets a preset upper limit and a preset lower limit for a power grid contract capacity limit of the power grid, and a preset lower limit for the average capacity of the energy storage equipment; (B) The processor is Read the current upper limit of the power grid contract capacity; (C) The processor reads the current real-time power consumption information; (D) The processor reads the current status of the charging equipment; (E) The processor reads Read the information of the current power storage equipment; (F) The processor compares the current upper limit of contract capacity of the power grid with the current real-time power consumption information. If the real-time power consumption information is lower than the upper limit of the contract capacity of the power grid, The preset lower limit, execute step (G); if it is between the preset lower limit and the preset upper limit, execute step (H); if it is higher than the preset upper limit, execute step (I); (G) the processor Arrange the power grid to charge the energy storage devices and continue to step (B); (H) the processor performs intelligent allocation to the power grid and the energy storage devices. Some energy storage devices allocate power to the charging devices according to a preset power supply ratio, and the energy storage devices give priority to the one with the most power. Continue to step (B); (I) the processor compares Whether the average capacity of the energy storage devices is lower than the preset lower limit, if not, perform step (H); if yes, perform step (J); and (J) the processor starts to adjust the charging of the charging device When the power reaches a preset power value, continue to step (B). The smart charging device management method described in claim 1, wherein the preset upper limit of the power grid contract capacity limit is 95%, the preset lower limit is 70%, and the preset lower limit of the average capacity of the energy storage equipment is 30% is better. The smart charging device management method as described in claim 1, wherein the predetermined client can configure the preset power supply ratio and the usage ratio of the preset power value according to the project conditions. The smart charging device management method as described in claim 1, wherein the power grid is equipped with a smart meter infrastructure for real-time energy monitoring, and the smart meter infrastructure can read the real-time power consumption in the power grid. information, and transmit the real-time power consumption information to the intelligent charging management system through network transmission. The intelligent charging device management method of claim 1, wherein each of the charging requests further includes corresponding user information of the electric vehicle, and the user information is used to record a user priority level. The intelligent charging device management method as described in claim 1, wherein the processor individually retrieves the charging charging information of the charging devices through the network, and calculates the charging charging corresponding to the charging requests based on the charging charging information. amount and will calculate the The charging charging amounts requested for charging are individually transmitted to the corresponding charging equipment, so that they can be charged accordingly. The smart charging device management method described in claim 1, wherein the real-time power consumption information further includes time-differential electricity prices applicable to the power supply equipment, and the processor further schedules and controls the charging equipment to individually charge the electric power The charging of vehicles ensures that the total electricity price of the electricity used by the charging equipment to charge the electric vehicles is minimized.

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