WO2021068520A1 - Charging-device power distribution method, storage medium, and system - Google Patents

Charging-device power distribution method, storage medium, and system Download PDF

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Publication number
WO2021068520A1
WO2021068520A1 PCT/CN2020/092882 CN2020092882W WO2021068520A1 WO 2021068520 A1 WO2021068520 A1 WO 2021068520A1 CN 2020092882 W CN2020092882 W CN 2020092882W WO 2021068520 A1 WO2021068520 A1 WO 2021068520A1
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charging
power
output power
current output
power supply
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PCT/CN2020/092882
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French (fr)
Chinese (zh)
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许令波
余海琳
盛捷
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北京嘀嘀无限科技发展有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to the technical field of charging station design, in particular to a charging equipment power distribution method, storage medium and system.
  • the capacity of the power supply has a maximum capacity, and then the charging station configures an appropriate number of charging devices according to this maximum capacity.
  • the maximum capacity is approximately equal to the sum of the number of charging devices in the charging station.
  • the product of the rated power of each charging device For example, the capacity of the power supply is 1250KVA, and there are 12 charging devices with a power of 100KVA.
  • the charging power during the charging process changes. For example, for a 100KVA charging device, the output power of the charging pile at the beginning of the electric vehicle charging may be 10KVA, and then quickly climb to close to 100KVA, and maintain After a period of time, and then near the full phase, the power will drop to 30KVA and hold for a period of time, and then drop to 0.
  • the embodiments of the present invention aim to provide a method, storage medium, and system for power distribution of charging equipment, so as to solve the technical problem of low utilization of charging equipment in charging stations in the prior art.
  • the present invention provides a power distribution method for charging equipment, which includes the following steps:
  • N [P Z /P K ]
  • P Z is the power supply capacity
  • P K is the rated charging capacity of a single charging device.
  • the charging equipment in the step of determining the number of charging equipment in the charging station according to the power supply capacity, the rated charging capacity, and the full load factor, the charging equipment is determined in the following manner Quantity:
  • M [P Z /(Q ⁇ P K )]
  • Q is the full load factor.
  • a full load factor is determined, and in the step of determining the full load factor greater than zero and less than one:
  • the full load factor Q satisfies: 0.6 ⁇ Q ⁇ 0.9.
  • the foregoing charging device power distribution method further includes the following steps:
  • the charging request is rejected.
  • the foregoing charging device power distribution method further includes the following steps:
  • the charging device power distribution method if the sum of the demanded power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to a lower output power threshold , So that the sum of the required power and the current output power is less than or equal to the power supply capacity of the charging station:
  • the output power of the charging device corresponding to the vehicle battery with the highest degree of power saturation is sequentially reduced to the lower output power threshold until the sum of the demanded power and the current output power is less than or equal to the power supply capacity of the charging station.
  • the foregoing charging device power distribution method further includes the following steps:
  • the charging operation of at least one charging device is cut off, so that the total current output power is within the power supply capacity range of the charging station.
  • the charging operation of at least one charging equipment is cut off, so that the total current output power is at all levels.
  • the charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power of the charging equipment being charged is within the power supply capacity range of the charging station.
  • the foregoing charging device power distribution method further includes the following steps:
  • the charging equipment power distribution method if the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging equipment to a lower output power threshold, so that the In the step that the total current output power is within the range of the power supply capacity of the charging station:
  • the charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power is within the power supply capacity range of the charging station.
  • the present invention also provides a storage medium in which program instructions are stored, and the computer reads the program instructions and executes the charging device power distribution method described in any one of the above items.
  • the present invention also provides an electronic device, including at least one processor and at least one memory, at least one of the memories stores program instructions, and at least one of the processors reads the program instructions and executes any of the above The power distribution method of charging equipment.
  • Adopting the above-mentioned solution of the present invention essentially increases the number of charging piles installed in the charging station.
  • FIG. 1 is a flowchart of a method for power distribution of a charging device according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for power distribution of a charging device according to another embodiment of the present invention.
  • Figure 3 is a schematic block diagram of the operation process when a vehicle in a charging station requests a charging device to charge it;
  • FIG. 4 is a flowchart of a method for power distribution of charging equipment according to another embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the hardware connection relationship of the electronic device according to an embodiment of the present invention.
  • This embodiment provides a power distribution method for charging equipment, which can be applied to a control system of an existing charging station, as shown in FIG. 1, which includes the following steps:
  • S101 Obtain the power supply capacity of the charging station and the rated charging capacity of a single charging device; this can be determined at the beginning of the design of the charging station.
  • the full load factor is greater than zero and less than one; it can be determined according to historical experience values, such as referring to the traffic flow and charging demand at the location of the charging station, and it is preferably between 0.6 and 0.9, preferably Choose 0.7 and 0.8.
  • the number of power supply devices obtained in this solution is greater than 12, for example, when Q is 0.8
  • the above-mentioned solution provided by this embodiment increases the number of charging piles installed in the charging station.
  • Most charging piles can charge more vehicles when they are not working at the rated charging capacity, so that they can distribute power on a limited power grid.
  • the charging device power distribution method may further include the following steps:
  • S104 In response to a charging request from an idle charging device, obtain the required power according to the charging request; as shown in FIG. 3, this step is due to the electric vehicle requesting to connect the charging gun to realize the charging operation. At this time, the charging device will charge to the ground in real time.
  • S105 Obtain the total current output power of all charging devices that are performing charging; that is, the cloud control background can make real-time statistics based on the charging data reported by each charging device. What is the output power so that the sum of the current output power can be determined.
  • S106 If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reject the charging request. For example, you can prompt: the current power is insufficient, please try again later.
  • the charging device power distribution method may further include the following steps:
  • S104' In response to a charging request of an idle charging device, obtain the required power according to the charging request;
  • S106' If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the required power and the current output power The total current output power is less than or equal to the power supply capacity of the charging station.
  • the output power of some charging equipment can be selectively reduced.
  • the charging power during the charging process changes.
  • the output power of the charging pile may be 10KVA at the beginning of the electric vehicle charging, and then quickly climb to close to 100KVA, and keep it for a while Time, and then near the full stage, the power will drop to 30KVA and hold for a period of time, and then drop to 0.
  • the charging speed is very slow, and the charging time is longer.
  • the charging efficiency is low, and the battery power of the electric vehicle It has been charged to more than 80%, so you can preferably reduce the output power of the charging equipment corresponding to this part of the vehicle to the lower output power threshold.
  • the lower output power threshold can be selected to be between 30% and 50% of the rated power, preferably 50%, which can perform charging operations for newly-added electric vehicles.
  • the charging device that reduces the output power can be selected to the lower limit threshold of the output power in the following manner:
  • S1 Acquire the power saturation level of the vehicle battery corresponding to each charging device at the current moment; according to the saturation level of the vehicle battery, the current charging process of the vehicle battery can be determined in which stage the vehicle battery is currently being charged.
  • the lower limit threshold of the output power can be selected to be between 30% and 50% of the rated power, preferably 50%. The higher the saturation of the vehicle battery, the lower the charging efficiency. At this time, it can be processed to reduce the power, as long as the minimum power requirement is met. In this step, it is equivalent to compare whether the current output power meets the demand every time the output power of a charging device is reduced. If the demand is not met, continue to reduce the output power of other charging devices. Just charge the car.
  • the charging device power distribution method may further include the following steps:
  • S107 Obtain the total current output power of all charging devices that are performing charging; as mentioned above, the cloud control background can count in real time how many charging devices are currently working and each charging device based on the charging data reported by each charging device What is the output power of the device so that the sum of the current output power can be determined.
  • the total current output power exceeds the power supply capacity of the charging station, cut off the charging operation of at least one charging device, so that the total current output power is within the power supply capacity range of the charging station.
  • the charging power during the charging process changes.
  • the output power of the charging pile may be 10KVA at the beginning of the electric vehicle charging, and then quickly climb to close 100KVA, and keep it for a period of time, and then in the nearly full phase, the power will drop to 30KVA and keep it for a period of time, and then drop to 0.
  • the disconnected charging device can be selected in the following manner:
  • S2' sequentially cut off the charging equipment corresponding to the vehicle battery with the highest degree of power saturation until the total current output power of the charging equipment being charged is within the power supply capacity range of the charging station.
  • the total current output power of all charging devices that are performing charging if the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that all The total current output power is within the power supply capacity range of the charging station, and the lower output power threshold may be selected to be between 30% and 50% of the rated power, preferably 50%. That is, the total output power of the charging equipment can be reduced by reducing the output power of some charging equipment.
  • the following methods are used to determine the lower threshold of the output power of the charging equipment that reduces the output power: obtain the power saturation level of the vehicle battery corresponding to each charging equipment; sequentially cut off the charging equipment corresponding to the vehicle battery with the highest level of power saturation until all The total current output power is within the power supply capacity range of the charging station.
  • the higher the saturation of the vehicle battery the lower the charging efficiency.
  • it can be processed to reduce the power, as long as the minimum power requirement is met.
  • it is equivalent to compare whether the current output power meets the demand every time the output power of a charging device is reduced. If the demand is not met, continue to reduce the output power of other charging devices. If the demand is met, the current power can be allocated. Way to execute.
  • the output power of each charging device being charged in the current charging station can be collected in real time.
  • This output power is real-time, not the rated output power of the charging device, because the real-time output power varies according to The demand value of electric vehicles varies.
  • Adjust the output power of the charging equipment according to the real-time output power changes to ensure that the sum of the output power of all charging equipment does not exceed the power supply capacity of the charging station, thereby ensuring charging stability and safety.
  • This embodiment provides a storage medium in which program instructions are stored, and the computer reads the program instructions and executes the charging device power distribution method described in any one of the technical solutions in Embodiment 1.
  • FIG. 5 is a schematic diagram of the hardware structure of an electronic device for executing the method for power distribution of a charging device provided by this embodiment, and the device includes:
  • One processor 501 is taken as an example in FIG. 5.
  • the device for executing the charging device power distribution method may further include: an input device 503 and an output device 504.
  • the processor 501, the memory 502, the input device 503, and the output device 504 may be connected by a bus or in other ways. In FIG. 5, the connection by a bus is taken as an example.
  • the memory 502 can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules.
  • the processor 501 executes various functional applications and data processing of the server by running non-volatile software programs, instructions, and modules stored in the memory 502, that is, implements the charging device power distribution method of the foregoing method embodiment.
  • the device embodiments described above are merely illustrative.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each implementation manner can be implemented by software plus a necessary general hardware platform, and of course, it can also be implemented by hardware.
  • the above technical solution essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic A disc, an optical disc, etc., include a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in each embodiment or some parts of the embodiment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Provided are a charging-device power distribution method, storage medium (502), and system, said method comprising: obtaining the power supply capacity of a charging station and the rated charging capacity of a single charging device; determining the full-load factor, the full-load factor being greater than zero and less than one; determining the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity, and the full-load factor, the number of charging devices being greater than a normalized number N; said normalized number N satisfying: N=[PZ/PK], wherein PZ is the power supply capacity and PK is the rated charging capacity of the single charging device. By means of the described solution, the number of charging piles installed in the charging station is increased; if the majority of the charging piles are not operating at the rated charging capacity, then it is possible to charge more vehicles; thus under the finite power distribution of the electrical grid, more reasonable allocation of charging capacity to each charging pile is achieved, ensuring the maximum usage efficiency of power distribution and also ensuring the safety of the configuration power in use.

Description

充电设备功率分配方法、存储介质及***Charging equipment power distribution method, storage medium and system
本申请要求在2019年10月8日提交中国专利局、申请号为201910949809.1、发明名称为“充电设备功率分配方法、存储介质及***”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on October 8, 2019, with application number 201910949809.1, and the title of the invention: "Charging equipment power distribution method, storage medium and system", the entire content of which is incorporated by reference In this application.
技术领域Technical field
本发明涉及充电站设计技术领域，具体涉及一种充电设备功率分配方法、存储介质及***。The invention relates to the technical field of charging station design, in particular to a charging equipment power distribution method, storage medium and system.
背景技术Background technique
随着新能源汽车越来越普及，充电需求也越来越旺盛，充电站的建设也越来越多，但是充电站的电力配电一般都有容量的限制，一个充电站的电网配电功率不可能随意的扩大。对于一个充电站来说，供电电源的容量有一个最大容量，然后充电站根据这个最大容量来配置合适数量的充电设备，现有技术的方案中，最大容量约等于充电站中充电设备的数量和每一充电设备充电额定功率的乘积。例如，供电电源的容量为1250KVA，有12台功率为100KVA的充电设备，如果有12台电动汽车在满功率充电的话，刚好是匹配的，但是实际上并不是每台电动车充电都是满功率，假设部分充电设备使用60KVA充电，那么充电设备输出的实际总功率小于供电电源的供电功率，这样就存在一定的资源利用率低的问题。而对于电动汽车而言，其充电过程中的充电功率是变化的，例如一台100KVA的充电设备，在电动汽车充电开始时充电桩的输出功率可能是10KVA，然后快速攀升至接近100KVA，并保持一段时间，然后在接近充满阶段，功率会下降至30KVA并保持一段时间，然后再下降至0。也就是说，以充电设备(例如充电桩)的供电容量来判断是否超过最大容量，是不准确的，会造成在实际充电功率并未达到最大容量的情况下，限制其它充电桩的启动充电，造 成资源闲置浪费。With the increasing popularity of new energy vehicles, the demand for charging is becoming more and more vigorous, and the construction of charging stations is increasing. However, the power distribution of charging stations is generally limited by capacity. The power distribution of a charging station's grid It is impossible to expand at will. For a charging station, the capacity of the power supply has a maximum capacity, and then the charging station configures an appropriate number of charging devices according to this maximum capacity. In the prior art scheme, the maximum capacity is approximately equal to the sum of the number of charging devices in the charging station. The product of the rated power of each charging device. For example, the capacity of the power supply is 1250KVA, and there are 12 charging devices with a power of 100KVA. If there are 12 electric vehicles charging at full power, they just match, but in fact, not every electric vehicle is charged at full power. Assuming that some charging equipment uses 60KVA for charging, the actual total power output by the charging equipment is less than the power supply of the power supply, so there is a certain problem of low resource utilization. For electric vehicles, the charging power during the charging process changes. For example, for a 100KVA charging device, the output power of the charging pile at the beginning of the electric vehicle charging may be 10KVA, and then quickly climb to close to 100KVA, and maintain After a period of time, and then near the full phase, the power will drop to 30KVA and hold for a period of time, and then drop to 0. In other words, it is inaccurate to judge whether the maximum capacity is exceeded by the power supply capacity of charging equipment (such as charging piles), which will limit the start-up charging of other charging piles when the actual charging power does not reach the maximum capacity. Resulting in idle waste of resources.
发明内容Summary of the invention
本发明实施例旨在提供一种充电设备功率分配方法、存储介质及***，以解决现有技术中充电站中充电设备利用率低的技术问题。The embodiments of the present invention aim to provide a method, storage medium, and system for power distribution of charging equipment, so as to solve the technical problem of low utilization of charging equipment in charging stations in the prior art.
为此，本发明提供一种充电设备功率分配方法，包括如下步骤：To this end, the present invention provides a power distribution method for charging equipment, which includes the following steps:
获取充电站的供电容量以及单台充电设备的额定充电容量；Obtain the power supply capacity of the charging station and the rated charging capacity of a single charging device;
确定满载系数，所述满载系数大于零并且小于一；Determine the full load factor, where the full load factor is greater than zero and less than one;
根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量，其中所述充电设备数量大于标准化数量N；Determining the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity, and the full load factor, where the number of charging devices is greater than the standardized number N;
以上，所述标准化数量N满足：N＝[P Z/P K]，P Z为所述供电容量，P K为单台充电设备的额定充电容量。 Above, the standardized number N satisfies: N=[P Z /P K ], P Z is the power supply capacity, and P K is the rated charging capacity of a single charging device.
可选地，上述的充电设备功率分配方法中，根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量的步骤中，通过如下方式确定所述充电设备数量：Optionally, in the foregoing charging equipment power distribution method, in the step of determining the number of charging equipment in the charging station according to the power supply capacity, the rated charging capacity, and the full load factor, the charging equipment is determined in the following manner Quantity:
M＝[P Z/(Q×P K)]； M=[P Z /(Q×P K )];
其中，Q为所述满载系数。Among them, Q is the full load factor.
可选地，上述的充电设备功率分配方法中，确定满载系数，所述满载系数大于零并且小于一的步骤中:Optionally, in the foregoing charging equipment power distribution method, a full load factor is determined, and in the step of determining the full load factor greater than zero and less than one:
所述满载系数Q满足：0.6＜Q＜0.9。The full load factor Q satisfies: 0.6<Q<0.9.
可选地，上述的充电设备功率分配方法中，还包括如下步骤：Optionally, the foregoing charging device power distribution method further includes the following steps:
响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；In response to a charging request of an idle charging device, obtaining required power according to the charging request;
获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则拒绝所述充电请求。If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, the charging request is rejected.
可选地，上述的充电设备功率分配方法中，还包括如下步骤：Optionally, the foregoing charging device power distribution method further includes the following steps:
响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；In response to a charging request of an idle charging device, obtaining required power according to the charging request;
获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the required power and the current output power The sum is less than or equal to the power supply capacity of the charging station.
可选地，上述的充电设备功率分配方法中，若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量的步骤中：Optionally, in the foregoing charging device power distribution method, if the sum of the demanded power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to a lower output power threshold , So that the sum of the required power and the current output power is less than or equal to the power supply capacity of the charging station:
获取当前时刻每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the current saturation level of the vehicle battery corresponding to each charging device;
依次降低电量饱和程度最高的车辆电池所对应充电设备的输出功率至输出功率下限阈值，直到所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。The output power of the charging device corresponding to the vehicle battery with the highest degree of power saturation is sequentially reduced to the lower output power threshold until the sum of the demanded power and the current output power is less than or equal to the power supply capacity of the charging station.
可选地，上述的充电设备功率分配方法中，还包括如下步骤：Optionally, the foregoing charging device power distribution method further includes the following steps:
获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
若所述当前输出功率总和超过所述充电站的供电容量，则切断至少一台充电设备的充电操作，以使所述当前输出功率总和在所述充电站的供电容量范围内。If the total current output power exceeds the power supply capacity of the charging station, the charging operation of at least one charging device is cut off, so that the total current output power is within the power supply capacity range of the charging station.
可选地，上述的充电设备功率分配方法中，若所述当前输出功率总和超过所述充电站的供电容量，则切断至少一台充电设备的充电操作，以使所述当前输出功率总和在所述充电站的供电容量范围内的步骤中：Optionally, in the foregoing charging equipment power distribution method, if the total current output power exceeds the power supply capacity of the charging station, the charging operation of at least one charging equipment is cut off, so that the total current output power is at all levels. In the steps within the range of the power supply capacity of the charging station:
获取每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the saturation level of the vehicle battery corresponding to each charging device;
依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到正在执行充电的充电设备的当前输出功率总和在所述充电站的供电容量范围内。The charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power of the charging equipment being charged is within the power supply capacity range of the charging station.
可选地，上述的充电设备功率分配方法中，还包括如下步骤：Optionally, the foregoing charging device power distribution method further includes the following steps:
获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
若所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述当前 输出功率总和在所述充电站的供电容量范围内。If the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the total current output power is within the power supply capacity range of the charging station Inside.
可选地，上述的充电设备功率分配方法中，若所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述当前输出功率总和在所述充电站的供电容量范围内的步骤中：Optionally, in the foregoing charging equipment power distribution method, if the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging equipment to a lower output power threshold, so that the In the step that the total current output power is within the range of the power supply capacity of the charging station:
获取每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the saturation level of the vehicle battery corresponding to each charging device;
依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到所述当前输出功率总和在所述充电站的供电容量范围内。The charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power is within the power supply capacity range of the charging station.
本发明还提供一种存储介质，所述存储介质中存储有程序指令，计算机读取所述程序指令后执行以上任一项所述的充电设备功率分配方法。The present invention also provides a storage medium in which program instructions are stored, and the computer reads the program instructions and executes the charging device power distribution method described in any one of the above items.
本发明还提供一种电子设备，包括至少一个处理器和至少一个存储器，至少一个所述存储器中存储有程序指令，至少一个所述处理器读取所述程序指令后执行以上任一项所述的充电设备功率分配方法。The present invention also provides an electronic device, including at least one processor and at least one memory, at least one of the memories stores program instructions, and at least one of the processors reads the program instructions and executes any of the above The power distribution method of charging equipment.
与现有技术相比，本发明实施例提供的上述技术方案至少具有以下有益效果：Compared with the prior art, the above technical solutions provided by the embodiments of the present invention have at least the following beneficial effects:
本发明实施例提供的充电设备功率分配方法、存储介质及***，其中的方法包括获取充电站的供电容量以及单台充电设备的额定充电容量；确定满载系数，所述满载系数大于零并且小于一；根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量，其中所述充电设备数量大于标准化数量N；以上，所述标准化数量N满足：N＝[P Z/P K]，P Z为所述供电容量，P K为单台充电设备的额定充电容量。采用本发明的上述方案，实质上是增加了充电站中充电桩的安装数量，这样在多数充电桩都没有工作在额定充电容量的情况下，能够为更多的车辆充电，从而能够在有限的电网配电功率清下，更加合理的分配充电容量到每一个充电桩上，从而能够保证配电功率的最大使用效率，又保证配置功率的使用安全。 The power distribution method, storage medium, and system for charging equipment provided by the embodiments of the present invention include obtaining the power supply capacity of the charging station and the rated charging capacity of a single charging equipment; determining a full load factor, where the full load factor is greater than zero and less than one Determine the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity and the full load factor, wherein the number of charging devices is greater than the standardized number N; above, the standardized number N satisfies: N=[ P Z /P K ], P Z is the power supply capacity, and P K is the rated charging capacity of a single charging device. Adopting the above-mentioned solution of the present invention essentially increases the number of charging piles installed in the charging station. In this way, when most charging piles are not working at the rated charging capacity, more vehicles can be charged, thereby being able to charge more vehicles in a limited amount of time. The distribution power of the grid is cleared, and the charging capacity is allocated to each charging pile more reasonably, so as to ensure the maximum use efficiency of the distribution power and ensure the safe use of the configured power.
附图说明Description of the drawings
图1为本发明一个实施例所述充电设备功率分配方法的流程图；FIG. 1 is a flowchart of a method for power distribution of a charging device according to an embodiment of the present invention;
图2为本发明另一个实施例所述充电设备功率分配方法的流程图；2 is a flowchart of a method for power distribution of a charging device according to another embodiment of the present invention;
图3为充电站中车辆请求充电设备为其充电时操作流程的示意框图；Figure 3 is a schematic block diagram of the operation process when a vehicle in a charging station requests a charging device to charge it;
图4为本发明又一个实施例所述充电设备功率分配方法的流程图；4 is a flowchart of a method for power distribution of charging equipment according to another embodiment of the present invention;
图5为本发明一个实施例所述电子设备的硬件连接关系示意图。FIG. 5 is a schematic diagram of the hardware connection relationship of the electronic device according to an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合附图进一步说明本发明实施例。在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明的简化描述，而不是指示或暗示所指的装置或组件必需具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。其中，术语“第一位置”和“第二位置”为两个不同的位置。The embodiments of the present invention will be further described below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the present invention, and does not indicate or imply that the pointed device or component must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个组件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood in specific situations.
实施例1Example 1
本实施例提供一种充电设备功率分配方法，可应用于现有充电站的控制***中，如图1所示，其包括如下步骤：This embodiment provides a power distribution method for charging equipment, which can be applied to a control system of an existing charging station, as shown in FIG. 1, which includes the following steps:
S101：获取充电站的供电容量以及单台充电设备的额定充电容量；其可以在设计充电站之初即可确定。S101: Obtain the power supply capacity of the charging station and the rated charging capacity of a single charging device; this can be determined at the beginning of the design of the charging station.
S102：确定满载系数，所述满载系数大于零并且小于一；根据历史经验值可确定，诸如参考充电站所在地点的车流量、充电需求等，优选其为0.6-0.9之间，较佳地可选择0.7和0.8。优选地，通过如下方式确定所述充电设备数量：M＝[P Z/(Q×P K)]；其中，Q为所述 满载系数。其中 []表示取整数舍掉小数的意思，例如P Z/(Q×P K)＝13.5，则最终结果取13。 S102: Determine the full load factor. The full load factor is greater than zero and less than one; it can be determined according to historical experience values, such as referring to the traffic flow and charging demand at the location of the charging station, and it is preferably between 0.6 and 0.9, preferably Choose 0.7 and 0.8. Preferably, the number of charging devices is determined in the following manner: M=[P Z /(Q×P K )]; where Q is the full load factor. Among them, [] means rounding off decimals. For example, if P Z /(Q×P K )=13.5, the final result is 13.
S103：根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量，其中所述充电设备数量大于标准化数量N；以上，所述标准化数量N满足：N＝[P Z/P K]，P Z为所述供电容量，P K为单台充电设备的额定充电容量。也即，标准化数量为现有技术中得到充电桩数量的计算方式，而采用本实施例中的方案最终得到的充电设备的数量会高于该计算结果。 S103: Determine the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity and the full load factor, where the number of charging devices is greater than the standardized number N; above, the standardized number N satisfies: N= [P Z /P K ], P Z is the power supply capacity, and P K is the rated charging capacity of a single charging device. That is, the standardized number is a calculation method for obtaining the number of charging piles in the prior art, and the number of charging devices finally obtained by adopting the solution in this embodiment will be higher than the calculation result.
以本申请背景技术部分所提供的示例说明，即假设供电容量是1250kva的话，每一台充电设备的额定功率为100KVA，那么本方案中得到的供电设备的数量大于12台，比如当Q取0.8时，本方案中计算得到的充电设备数量为M＝[1250/(0.8×100)]＝15台。通过增加一定数量的充电设备，从而增加并发充电的电动车数量，这样就可以有更多的电动车同时充电了。Take the example provided in the background technology section of this application, that is, assuming that the power supply capacity is 1250kva, and the rated power of each charging device is 100KVA, then the number of power supply devices obtained in this solution is greater than 12, for example, when Q is 0.8 At this time, the number of charging devices calculated in this solution is M=[1250/(0.8×100)]=15. By adding a certain number of charging devices, the number of concurrently charged electric vehicles can be increased, so that more electric vehicles can be charged at the same time.
本实施例提供的上述方案，增加了充电站中充电桩的安装数量，多数充电桩都没有工作在额定充电容量的情况下，能够为更多的车辆充电，从而能够在有限的电网配电功率清下，更加合理的分配充电容量到每一个充电桩上，从而能够保证配电功率的最大使用效率，又保证配置功率的使用安全。The above-mentioned solution provided by this embodiment increases the number of charging piles installed in the charging station. Most charging piles can charge more vehicles when they are not working at the rated charging capacity, so that they can distribute power on a limited power grid. Clearly, allocate the charging capacity to each charging pile more reasonably, so as to ensure the maximum use efficiency of the distribution power and ensure the safe use of the configured power.
在以上方案的基础上，如图2所示，所述的充电设备功率分配方法，还可以包括如下步骤：On the basis of the above solution, as shown in Figure 2, the charging device power distribution method may further include the following steps:
S104：响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；参考图3所示，本步骤是由于有电动车辆请求连接充电枪以实现充电操作，此时充电设备会实时向地云端控制后台上报本充电设备当前所需要的充电功率(充电功率＝充电输出电压×充电输出电流)，本计算过程可依据电动车辆的电池电量自动计算得到。S104: In response to a charging request from an idle charging device, obtain the required power according to the charging request; as shown in FIG. 3, this step is due to the electric vehicle requesting to connect the charging gun to realize the charging operation. At this time, the charging device will charge to the ground in real time. The cloud control background reports the charging power currently required by the charging device (charging power = charging output voltage × charging output current). This calculation process can be automatically calculated based on the battery power of the electric vehicle.
S105：获取所有正在执行充电的充电设备的当前输出功率总和；也即，云端控制后台能够根据每一台充电设备上报的充电数据实时统计当前有多少台充电设备正在工作以及每一台充电设备的输出功率是多少，从而能够确定所述当前输出功率总和。S105: Obtain the total current output power of all charging devices that are performing charging; that is, the cloud control background can make real-time statistics based on the charging data reported by each charging device. What is the output power so that the sum of the current output power can be determined.
S106：若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则拒绝所述充电请求。例如，可以提示：当前功率不足，请稍后再试。S106: If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reject the charging request. For example, you can prompt: the current power is insufficient, please try again later.
以上方案中，由于充电站中设置的充电设备的数量本质上是超额的，因此为了避免所有充电设备都以最大输出功率工作时超过充电站的供电容量，能够对新增充电需求超容时拒绝给新增的充电车辆充电，从而确保充电过程中的稳定性和安全性。In the above scheme, since the number of charging devices set in the charging station is essentially excessive, in order to avoid exceeding the power supply capacity of the charging station when all charging devices work at the maximum output power, it can be rejected when the new charging demand exceeds the capacity. Charge the newly-added charging vehicle to ensure the stability and safety during the charging process.
作为一种可选的实现方式，所述的充电设备功率分配方法，还可以包括如下步骤：As an optional implementation manner, the charging device power distribution method may further include the following steps:
S104’:响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；S104': In response to a charging request of an idle charging device, obtain the required power according to the charging request;
S105’:获取所有正在执行充电的充电设备的当前输出功率总和；S105’: Obtain the total current output power of all charging devices that are performing charging;
S106’:若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。S106': If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the required power and the current output power The total current output power is less than or equal to the power supply capacity of the charging station.
在本方案中，如果新增的充电车辆的充电需求可能导致所有充电设备输出功率总和超过充电站的供电容量，可以选择性的降低部分充电设备的输出功率。对于电动汽车而言，其充电过程中的充电功率是变化的，例如一台100KVA的充电设备，在电动汽车充电开始时充电桩的输出功率可能是10KVA，然后快速攀升至接近100KVA，并保持一段时间，然后在接近充满阶段，功率会下降至30KVA并保持一段时间，然后再下降至0。而在电动汽车充电阶段位于最后一个阶段时即“功率会下降至30KVA并保持一段时间”时，其充电速度是非常缓慢的，此时消耗时间较长充电效率较低，而且电动车辆的电池电量已经充至80％以上了，所以可以优选降低这部分车辆所对应的充电设备的输出功率至输出功率下限阈值，所述输出功率下限阈值可以选择为额定功率的30％～50％之间，优选为50％，从而能够为新增的电动汽车执行充电操作。具体地，可以通过如下方式选择降低输出功率的充电设备至输出功率下限阈值：In this solution, if the charging demand of the newly added charging vehicle may cause the total output power of all charging equipment to exceed the power supply capacity of the charging station, the output power of some charging equipment can be selectively reduced. For electric vehicles, the charging power during the charging process changes. For example, for a 100KVA charging device, the output power of the charging pile may be 10KVA at the beginning of the electric vehicle charging, and then quickly climb to close to 100KVA, and keep it for a while Time, and then near the full stage, the power will drop to 30KVA and hold for a period of time, and then drop to 0. When the electric vehicle charging stage is in the last stage, that is, when "the power will drop to 30KVA and keep it for a period of time", the charging speed is very slow, and the charging time is longer. The charging efficiency is low, and the battery power of the electric vehicle It has been charged to more than 80%, so you can preferably reduce the output power of the charging equipment corresponding to this part of the vehicle to the lower output power threshold. The lower output power threshold can be selected to be between 30% and 50% of the rated power, preferably 50%, which can perform charging operations for newly-added electric vehicles. Specifically, the charging device that reduces the output power can be selected to the lower limit threshold of the output power in the following manner:
S1：获取当前时刻每一台充电设备所对应的车辆电池的电量饱和程度；根据车辆电池的饱和程度能够确定车辆电池当前充电过程是处于哪一个阶段。S1: Acquire the power saturation level of the vehicle battery corresponding to each charging device at the current moment; according to the saturation level of the vehicle battery, the current charging process of the vehicle battery can be determined in which stage the vehicle battery is currently being charged.
S2：依次降低电量饱和程度最高的车辆电池所对应充电设备的输出功率至输出功率下限阈值，直到所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。如前所述，所述输出功率下限阈值可以选择为额定功率的30％～50％之间，优选为50％。车辆电池的饱和程度越高其充电效率就会越低，此时可以对其进行降低功率的处理，只要满足最低功率需求即可。本步骤中，相当于每降低一个充电设备的输出功率就比对一下当前输出功率是否满足需求了，如果不满足需求则继续降低其他充电设备的输出功率，如果满足需求了就直接对新增电动车进行充电即可。S2: Decrease the output power of the charging device corresponding to the vehicle battery with the highest degree of battery saturation to the lower output power threshold, until the sum of the required power and the current output power is less than or equal to the power supply capacity of the charging station. As mentioned above, the lower limit threshold of the output power can be selected to be between 30% and 50% of the rated power, preferably 50%. The higher the saturation of the vehicle battery, the lower the charging efficiency. At this time, it can be processed to reduce the power, as long as the minimum power requirement is met. In this step, it is equivalent to compare whether the current output power meets the demand every time the output power of a charging device is reduced. If the demand is not met, continue to reduce the output power of other charging devices. Just charge the car.
在以上方案的基础上，如图4所示，所述的充电设备功率分配方法，还可以包括如下步骤：On the basis of the above solution, as shown in Figure 4, the charging device power distribution method may further include the following steps:
S107：获取所有正在执行充电的充电设备的当前输出功率总和；如前所述，云端控制后台能够根据每一台充电设备上报的充电数据实时统计当前有多少台充电设备正在工作以及每一台充电设备的输出功率是多少，从而能够确定所述当前输出功率总和。S107: Obtain the total current output power of all charging devices that are performing charging; as mentioned above, the cloud control background can count in real time how many charging devices are currently working and each charging device based on the charging data reported by each charging device What is the output power of the device so that the sum of the current output power can be determined.
S108：若所述当前输出功率总和超过所述充电站的供电容量，则切断至少一台充电设备的充电操作，以使所述当前输出功率总和在所述充电站的供电容量范围内。如前所述，对于电动汽车而言，其充电过程中的充电功率是变化的，例如一台100KVA的充电设备，在电动汽车充电开始时充电桩的输出功率可能是10KVA，然后快速攀升至接近100KVA，并保持一段时间，然后在接近充满阶段，功率会下降至30KVA并保持一段时间，然后再下降至0。而在电动汽车充电阶段位于最后一个阶段时即“功率会下降至30KVA并保持一段时间”时，其充电速度是非常缓慢的，此时消耗时间较长充电效率较低，而且电动车辆的电池电量已经充至80％以上了，所以可以优选切断这部分车辆所对应的充电设备，以使所述当前输出功率总和在所述充电站的供电容量范围内。具体地，可以通过如下方式选择被切断的充电设备：S108: If the total current output power exceeds the power supply capacity of the charging station, cut off the charging operation of at least one charging device, so that the total current output power is within the power supply capacity range of the charging station. As mentioned earlier, for electric vehicles, the charging power during the charging process changes. For example, for a 100KVA charging device, the output power of the charging pile may be 10KVA at the beginning of the electric vehicle charging, and then quickly climb to close 100KVA, and keep it for a period of time, and then in the nearly full phase, the power will drop to 30KVA and keep it for a period of time, and then drop to 0. When the electric vehicle charging stage is in the last stage, that is, when "the power will drop to 30KVA and keep it for a period of time", the charging speed is very slow, and the charging time is longer. The charging efficiency is low, and the battery power of the electric vehicle It has been charged to more than 80%, so it may be preferable to cut off the charging equipment corresponding to this part of the vehicle, so that the sum of the current output power is within the power supply capacity range of the charging station. Specifically, the disconnected charging device can be selected in the following manner:
S1’：获取每一台充电设备所对应的车辆电池的电量饱和程度；S1': Obtain the saturation level of the vehicle battery corresponding to each charging device;
S2’：依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到正在执行充电的充电设备的当前输出功率总和在所述充电站的供电容量范围内。如前所述，车辆电池的饱和程度越高其充电效率就会越低，而且此时车辆电池的电量已经足以满足车辆的正常行驶需求，因此可以优先切断这类车辆所对应的充电设备。S2': sequentially cut off the charging equipment corresponding to the vehicle battery with the highest degree of power saturation until the total current output power of the charging equipment being charged is within the power supply capacity range of the charging station. As mentioned above, the higher the saturation degree of the vehicle battery, the lower the charging efficiency, and at this time the power of the vehicle battery is sufficient to meet the normal driving demand of the vehicle, so the charging equipment corresponding to this type of vehicle can be turned off first.
作为一种可以替换的实现方式，还可以通过如下方式来保证充电设备的输出功率总和不超过充电站供电容量：As an alternative implementation, it is also possible to ensure that the total output power of the charging equipment does not exceed the power supply capacity of the charging station through the following methods:
获取所有正在执行充电的充电设备的当前输出功率总和；若所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述当前输出功率总和在所述充电站的供电容量范围内，所述输出功率下限阈值可以选择为额定功率的30％～50％之间，优选为50％。也即可以通过降低部分充电设备的输出功率以降低的充电设备的输出总功率。Obtain the total current output power of all charging devices that are performing charging; if the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that all The total current output power is within the power supply capacity range of the charging station, and the lower output power threshold may be selected to be between 30% and 50% of the rated power, preferably 50%. That is, the total output power of the charging equipment can be reduced by reducing the output power of some charging equipment.
优选采用如下方式确定降低输出功率的充电设备至输出功率下限阈值：获取每一台充电设备所对应的车辆电池的电量饱和程度；依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到所述当前输出功率总和在所述充电站的供电容量范围内。如前所述，车辆电池的饱和程度越高其充电效率就会越低，此时可以对其进行降低功率的处理，只要满足最低功率需求即可。本步骤中，相当于每降低一个充电设备的输出功率就比对一下当前输出功率是否满足需求了，如果不满足需求则继续降低其他充电设备的输出功率，如果满足需求了即可按照当前功率分配方式执行。Preferably, the following methods are used to determine the lower threshold of the output power of the charging equipment that reduces the output power: obtain the power saturation level of the vehicle battery corresponding to each charging equipment; sequentially cut off the charging equipment corresponding to the vehicle battery with the highest level of power saturation until all The total current output power is within the power supply capacity range of the charging station. As mentioned earlier, the higher the saturation of the vehicle battery, the lower the charging efficiency. At this time, it can be processed to reduce the power, as long as the minimum power requirement is met. In this step, it is equivalent to compare whether the current output power meets the demand every time the output power of a charging device is reduced. If the demand is not met, continue to reduce the output power of other charging devices. If the demand is met, the current power can be allocated. Way to execute.
通过本实施例提供的上述方案，能够实时采集当前充电站中每个正在充电的充电设备的输出功率，这个输出功率是实时的，而不是充电设备额定的输出功率，因为实时输出功率会根据不同的电动车的需求值而变化。根据实时的输出功率变化来调整充电设备的输出功率，确保所有充电设备的输出功率之和不会超过充电站的供电容量，从而确保充电稳定性和安全性。Through the above solution provided by this embodiment, the output power of each charging device being charged in the current charging station can be collected in real time. This output power is real-time, not the rated output power of the charging device, because the real-time output power varies according to The demand value of electric vehicles varies. Adjust the output power of the charging equipment according to the real-time output power changes to ensure that the sum of the output power of all charging equipment does not exceed the power supply capacity of the charging station, thereby ensuring charging stability and safety.
实施例2Example 2
本实施例提供一种存储介质，所述存储介质中存储有程序指令，计算机读取所述程序指令后执行实施例1中任一技术方案所述的充电设备功率分配方法。This embodiment provides a storage medium in which program instructions are stored, and the computer reads the program instructions and executes the charging device power distribution method described in any one of the technical solutions in Embodiment 1.
实施例3Example 3
图5是本实施例提供的执行充电设备功率分配方法的电子设备的硬件结构示意图，该设备包括：FIG. 5 is a schematic diagram of the hardware structure of an electronic device for executing the method for power distribution of a charging device provided by this embodiment, and the device includes:
一个或多个处理器501以及存储器502，图5中以一个处理器501为例。执行充电设备功率分配方法的设备还可以包括：输入装置503和输出装置504。处理器501、存储器502、输入装置503和输出装置504可以通过总线或者其他方式连接，图5中以通过总线连接为例。One or more processors 501 and a memory 502. One processor 501 is taken as an example in FIG. 5. The device for executing the charging device power distribution method may further include: an input device 503 and an output device 504. The processor 501, the memory 502, the input device 503, and the output device 504 may be connected by a bus or in other ways. In FIG. 5, the connection by a bus is taken as an example.
存储器502作为一种非易失性计算机可读存储介质，可用于存储非易失性软件程序、非易失性计算机可执行程序以及模块。处理器501通过运行存储在存储器502中的非易失性软件程序、指令以及模块，从而执行服务器的各种功能应用以及数据处理，即实现上述方法实施例的充电设备功率分配方法。As a non-volatile computer-readable storage medium, the memory 502 can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules. The processor 501 executes various functional applications and data processing of the server by running non-volatile software programs, instructions, and modules stored in the memory 502, that is, implements the charging device power distribution method of the foregoing method embodiment.
上述产品可执行本申请实施例所提供的方法，具备执行方法相应的功能模块和有益效果。未在本实施例中详尽描述的技术细节，可参见本申请实施例所提供的方法。The above-mentioned products can execute the methods provided in the embodiments of the present application, and have functional modules and beneficial effects corresponding to the execution methods. For technical details that are not described in detail in this embodiment, please refer to the method provided in the embodiment of this application.
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件。基于这样的理解，上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在计算机可读存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。Through the description of the above implementation manners, those skilled in the art can clearly understand that each implementation manner can be implemented by software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic A disc, an optical disc, etc., include a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in each embodiment or some parts of the embodiment.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features thereof are equivalently replaced; these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (12)

  1. 一种充电设备功率分配方法，其特征在于，包括如下步骤：A method for power distribution of charging equipment is characterized in that it comprises the following steps:
    获取充电站的供电容量以及单台充电设备的额定充电容量；Obtain the power supply capacity of the charging station and the rated charging capacity of a single charging device;
    确定满载系数，所述满载系数大于零并且小于一；Determine the full load factor, where the full load factor is greater than zero and less than one;
    根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量，其中所述充电设备数量大于标准化数量N；Determining the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity, and the full load factor, where the number of charging devices is greater than the standardized number N;
    以上，所述标准化数量N满足：N＝[P Z/P K]，P Z为所述供电容量，P K为单台充电设备的额定充电容量。 Above, the standardized number N satisfies: N=[P Z /P K ], P Z is the power supply capacity, and P K is the rated charging capacity of a single charging device.
  2. 根据权利要求1所述的充电设备功率分配方法，其特征在于，根据所述供电容量、所述额定充电容量和所述满载系数确定所述充电站内的充电设备数量的步骤中，通过如下方式确定所述充电设备数量：The method of claim 1, wherein the step of determining the number of charging devices in the charging station according to the power supply capacity, the rated charging capacity, and the full load factor is determined in the following manner The number of charging devices:
    M＝[P Z/(Q×P K)]； M=[P Z /(Q×P K )];
    其中，Q为所述满载系数。Among them, Q is the full load factor.
  3. 根据权利要求2所述的充电设备功率分配方法，其特征在于，确定满载系数，所述满载系数大于零并且小于一的步骤中:The power distribution method for charging equipment according to claim 2, wherein the step of determining a full load factor, the full load factor being greater than zero and less than one:
    所述满载系数Q满足：0.6＜Q＜0.9。The full load factor Q satisfies: 0.6<Q<0.9.
  4. 根据权利要求1-3任一项所述的充电设备功率分配方法，其特征在于，还包括如下步骤：The power distribution method for charging equipment according to any one of claims 1-3, further comprising the following steps:
    响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；In response to a charging request of an idle charging device, obtaining required power according to the charging request;
    获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
    若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则拒绝所述充电请求。If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, the charging request is rejected.
  5. 根据权利要求1-3任一项所述的充电设备功率分配方法，其特征在于，还包括如下步骤：The power distribution method for charging equipment according to any one of claims 1-3, further comprising the following steps:
    响应于空闲充电设备的充电请求，根据所述充电请求获取需求功率；In response to a charging request of an idle charging device, obtaining required power according to the charging request;
    获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
    若所述需求功率和所述当前输出功率总和超过所述充电站的供 电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。If the sum of the required power and the current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the required power and the current output power The sum is less than or equal to the power supply capacity of the charging station.
  6. 根据权利要求5所述的充电设备功率分配方法，其特征在于，若所述需求功率和所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量的步骤中：The method of claim 5, wherein if the sum of the demanded power and the current output power exceeds the power supply capacity of the charging station, the current output power of at least one charging device is reduced to The output power lower limit threshold, so that the sum of the demand power and the current output power is less than or equal to the power supply capacity of the charging station.
    获取当前时刻每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the current saturation level of the vehicle battery corresponding to each charging device;
    依次降低电量饱和程度最高的车辆电池所对应充电设备的输出功率至输出功率下限阈值，直到所述需求功率和所述当前输出功率总和小于或等于所述充电站的供电容量。The output power of the charging device corresponding to the vehicle battery with the highest degree of power saturation is sequentially reduced to the lower output power threshold until the sum of the demanded power and the current output power is less than or equal to the power supply capacity of the charging station.
  7. 根据权利要求1-3任一项所述的充电设备功率分配方法，其特征在于，还包括如下步骤：The power distribution method for charging equipment according to any one of claims 1-3, further comprising the following steps:
    获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
    若所述当前输出功率总和超过所述充电站的供电容量，则切断至少一台充电设备的充电操作，以使所述当前输出功率总和在所述充电站的供电容量范围内。If the total current output power exceeds the power supply capacity of the charging station, the charging operation of at least one charging device is cut off, so that the total current output power is within the power supply capacity range of the charging station.
  8. 根据权利要7所述的充电设备功率分配方法，其特征在于，若所述当前输出功率总和超过所述充电站的供电容量，则切断至少一台充电设备的充电操作，以使所述当前输出功率总和在所述充电站的供电容量范围内的步骤中：The charging equipment power distribution method according to claim 7, wherein if the total current output power exceeds the power supply capacity of the charging station, the charging operation of at least one charging equipment is cut off, so that the current output In the step where the total power is within the range of the power supply capacity of the charging station:
    获取每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the saturation level of the vehicle battery corresponding to each charging device;
    依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到正在执行充电的充电设备的当前输出功率总和在所述充电站的供电容量范围内。The charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power of the charging equipment being charged is within the power supply capacity range of the charging station.
  9. 根据权利要求1-3任一项所述的充电设备功率分配方法，其特征在于，还包括如下步骤：The power distribution method for charging equipment according to any one of claims 1-3, further comprising the following steps:
    获取所有正在执行充电的充电设备的当前输出功率总和；Obtain the total current output power of all charging devices that are performing charging;
    若所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述当前输出功率总和在所述充电站的供电容量范围内。If the total current output power exceeds the power supply capacity of the charging station, reduce the current output power of at least one charging device to the lower output power threshold, so that the total current output power is within the power supply capacity range of the charging station Inside.
  10. 根据权利要求9所述的充电设备功率分配方法，其特征在于，若所述当前输出功率总和超过所述充电站的供电容量，则降低至少一台充电设备的当前输出功率至输出功率下限阈值，以使所述当前输出功率总和在所述充电站的供电容量范围内的步骤中：The method for power distribution of charging equipment according to claim 9, wherein if the total current output power exceeds the power supply capacity of the charging station, reducing the current output power of at least one charging equipment to a lower output power threshold, In the step of making the sum of the current output power within the range of the power supply capacity of the charging station:
    获取每一台充电设备所对应的车辆电池的电量饱和程度；Obtain the saturation level of the vehicle battery corresponding to each charging device;
    依次切断电量饱和程度最高的车辆电池所对应的充电设备，直到所述当前输出功率总和在所述充电站的供电容量范围内。The charging equipment corresponding to the vehicle battery with the highest degree of power saturation is sequentially cut off until the total current output power is within the power supply capacity range of the charging station.
  11. 一种存储介质，其特征在于，所述存储介质中存储有程序指令，计算机读取所述程序指令后执行权利要求1-10任一项所述的充电设备功率分配方法。A storage medium, characterized in that program instructions are stored in the storage medium, and the computer reads the program instructions and executes the charging device power distribution method according to any one of claims 1-10.
  12. 一种电子设备，其特征在于，包括至少一个处理器和至少一个存储器，至少一个所述存储器中存储有程序指令，至少一个所述处理器读取所述程序指令后执行权利要求1-10任一项所述的充电设备功率分配方法。An electronic device, comprising at least one processor and at least one memory, at least one of the memories stores program instructions, and at least one of the processors reads the program instructions and executes any of claims 1-10. The power distribution method for charging equipment as described in one item.
PCT/CN2020/092882 2019-10-08 2020-05-28 Charging-device power distribution method, storage medium, and system WO2021068520A1 (en)

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