阅读说明：本技术 一种充电桩效率最优模块调度方法 (optimal charging pile efficiency module scheduling method ) 是由 马秋阁 方明 李德胜 张珂宸 郑隽一 张育铭 于 2019-08-07 设计创作，主要内容包括：本发明提供了一种充电桩效率最优模块调度方法,充电桩包括至少一把充电枪,接收来自待充电设备的充电请求,充电请求包括待充电设备的需求电压Un、需求电流In,获取至少一个电源模块的电能输出效率信息,待充电设备的充电请求和至少一个电源模块的电能输出效率信息,确定当前充电请求下的充电方案,判断当前闲置的电源模块是否能充分执行充电方案,以及响应于当前闲置的电源模块能充分执行充电方案,控制至少一把充电枪按所述充电方案输出对应电源模块的电能；本发明充分合理利用每个电源模块的电能,有效解决了电源模块均匀分配不合理,使模块功率损耗大、导致模块工作效率低等问题。(The invention provides a method for scheduling an optimal charging pile efficiency module, which comprises at least one charging gun, wherein the charging gun receives a charging request from equipment to be charged, the charging request comprises a required voltage Un and a required current In of the equipment to be charged, the electric energy output efficiency information of at least one power supply module is obtained, the charging request of the equipment to be charged and the electric energy output efficiency information of at least one power supply module are determined, a charging scheme under the current charging request is determined, whether the current idle power supply module can fully execute the charging scheme or not is judged, and the at least one charging gun is controlled to output the electric energy of the corresponding power supply module according to the charging scheme In response to the fact that the current idle power supply module can fully execute the charging scheme; the invention fully and reasonably utilizes the electric energy of each power supply module, and effectively solves the problems of unreasonable uniform distribution of the power supply modules, large module power loss, low module working efficiency and the like.)

1. A method for efficient modular scheduling of charging poles comprising at least one charging gun (1), said at least one charging gun (1) being configured to output electrical energy from at least one power module (2), said method comprising:

receiving a charging request from a device (3) to be charged, wherein the charging request comprises a required voltage Un and a required current In of the device (3) to be charged;

acquiring electric energy output efficiency information of at least one power supply module (2);

determining a charging scheme under the current charging request based on the charging request of the equipment (3) to be charged and the electric energy output efficiency information of at least one power supply module (2), wherein the charging scheme at least comprises the number of the power supply modules (2) which are put into operation, the output current I and the output voltage U of each power supply module (2);

Judging whether the power module (2) which is idle at present can fully execute the charging scheme and

And responding to the fact that the power module (2) which is idle at present can fully execute the charging scheme, and controlling at least one charging gun (1) to output electric energy corresponding to the power module (2) according to the charging scheme.

2. the method according to claim 1, characterized in that it comprises:

in response to the current idle power module (2) not being able to sufficiently execute the charging protocol, a user of the device (3) to be charged is asked whether to perform a reduced power charge or to queue up.

3. the method of claim 2, wherein the method comprises:

And responding to the user selection of the equipment (3) to be charged to perform power-down charging, and controlling at least one charging gun (1) to output the electric energy of the currently idle power supply module (2), wherein the currently idle power supply module (2) runs at the highest power.

4. the method of claim 2, wherein the method comprises:

in response to the user selection of the queue of the device to be charged (3), the shortest waiting time of the user is determined, and the shortest waiting time is transmitted to the user.

5. method according to claim 1, characterized in that the determination of the charging scheme at the current charging request based on the charging request of the device to be charged (3) and the power output efficiency information of the at least one power module (2) is determined according to the following formula:

Wherein n is the total number of the power supply modules (2),in order to put in the charging efficiency of m power modules (2),The number of the power supply modules (2) is the number of the power supply modules which are put into operation, Po is the output power of the charging pile, and Pc is the required power of the equipment to be charged (3).

6. a module scheduling system for optimizing the efficiency of a charging pile comprising at least one charging gun (1), said at least one charging gun (1) being configured to output electrical energy from at least one power module (2), the system comprising:

An acquisition module (4) configured to:

receiving a charging request from a device (3) to be charged, wherein the charging request comprises a required voltage Un and a required current In of the device (3) to be charged;

Acquiring electric energy output efficiency information of the at least one power module (2);

A charging scheme determination module (6) configured to determine a charging scheme under a current charging request based on a charging request of the device to be charged (3) and the information of the power output efficiency of the at least one power module (2), wherein the charging scheme at least comprises the number of power modules (2) to be put into operation, the output current I and the output voltage U of each power module (2);

the judging module (5) is configured to judge whether the power supply module (2) which is idle at present can fully execute the charging scheme; and

And the control module (7) is configured to respond to the situation that the currently idle power supply module (2) can fully execute the charging scheme, and control the at least one charging gun (1) to output the electric energy corresponding to the power supply module (2) according to the charging scheme.

7. the system of claim 6, further comprising:

an interaction module (8) configured to ask a user of the device to be charged (3) whether to perform a reduced power charging or to queue in response to the power module (2) currently idle being unable to sufficiently execute the charging scheme.

8. the system according to claim 7, wherein the control module (7) is further configured to:

And responding to the user selection of the equipment (3) to be charged to perform power-down charging, and controlling the at least one charging gun (1) to output the electric energy of the currently idle power supply module (2), wherein the currently idle power supply module (2) runs at the highest power.

9. the system according to claim 7, wherein the control module (7) is further configured to:

In response to the user selection of the queue of the device to be charged (3), the shortest waiting time of the user is determined, and the shortest waiting time is transmitted to the user through the interaction module (8).

10. the system according to claim 6, wherein the charging scheme determination module (6) is configured to determine the charging scheme at the current charging request according to the following formula:

Wherein n is the total number of the power supply modules (2),In order to put in the charging efficiency of m power modules (2),The number of the power supply modules (2) is the number of the power supply modules which are put into operation, Po is the output power of the charging pile, and Pc is the required power of the equipment to be charged (3).

Technical Field

the invention belongs to the technical field of electric vehicle charging piles, and particularly relates to a module scheduling method for optimizing charging pile efficiency.

background

Under the background of shortage of petroleum resources in the world, aggravation of environmental pollution and global warming, energy-saving, environment-friendly and low-carbon new energy automobiles are vigorously popularized and developed, and the direction and the target of pursuing sustainable development of automobile industry in human society are met, so that the large-scale development of electric automobiles becomes a necessary trend. However, as electric vehicles scale up, the amount of charge increases dramatically, and the loss of electrical energy generated during charging becomes a non-negligible part. According to statistics, the average charging loss of the direct current charging pile field station accounts for about 10% of the total charging amount, wherein the direct current charging pile field station operates in a mode of average distribution of the current charging power, and the loss of the charging module accounts for 60-70% of the total loss. Therefore, the charging strategy is optimized in the charging process, and the reduction of the electric energy loss of the charging module has great significance for reducing the electric energy loss of the charging equipment.

disclosure of Invention

the invention provides a module scheduling method with optimal charging pile efficiency, aiming at solving the problems that the existing charging pile power supply modules are unreasonably uniformly distributed, so that the module power loss is large, the module working efficiency is low and the like.

the technical scheme adopted by the invention for solving the technical problems is as follows:

A method for efficient module scheduling for a charging pole, the charging pole including at least one charging gun configured to output power from at least one power module, the method comprising:

receiving a charging request from equipment to be charged, wherein the charging request comprises a required voltage Un and a required current In of the equipment to be charged;

Acquiring electric energy output efficiency information of at least one power supply module;

determining a charging scheme under the current charging request based on the charging request of the equipment to be charged and the electric energy output efficiency information of at least one power supply module, wherein the charging scheme at least comprises the number of the power supply modules which are put into operation, the output current I and the output voltage U of each power supply module;

determine whether the current idle power module can fully execute the charging scheme and

and responding to the situation that the current idle power supply module can fully execute the charging scheme, and controlling at least one charging gun to output the electric energy corresponding to the power supply module according to the charging scheme.

further, the method comprises: in response to the current idle power module failing to adequately execute the charging schedule, a user of the device to be charged is queried as to whether to perform a reduced power charge or queue.

further, the method comprises: and responding to the user selection of the equipment to be charged to perform power reduction charging, and controlling at least one charging gun to output the electric energy of the currently idle power supply module, wherein the currently idle power supply module operates at the highest power.

Further, the method comprises: and responding to the user selection queue of the equipment to be charged, determining the shortest waiting time of the user, and transmitting the shortest waiting time to the user.

Further, the charging scheme under the current charging request is determined according to the following formula based on the charging request of the device to be charged and the power output efficiency information of the at least one power module:

Wherein n is the total number of the power modules,in order to put in the charging efficiency of the m power modules,the number of the power supply modules which are put into operation is Po, the output power of the charging pile is Po, and the required power of the equipment to be charged is Pc.

a system for optimal module dispatch for a charging pole including at least one charging gun configured to output power from at least one power module, the system comprising:

an acquisition module configured to: receiving a charging request from equipment to be charged, wherein the charging request comprises a required voltage Un and a required current In of the equipment to be charged;

Acquiring electric energy output efficiency information of the at least one power supply module;

the charging scheme determining module is configured to determine a charging scheme under the current charging request based on the charging request of the device to be charged and the electric energy output efficiency information of the at least one power supply module, wherein the charging scheme at least comprises the number of the power supply modules which are put into operation, the output current I and the output voltage U of each power supply module;

the judging module is configured to judge whether the current idle power supply module can fully execute the charging scheme; and

And the control module is configured to respond that the currently idle power supply module can fully execute the charging scheme and control the at least one charging gun to output the electric energy corresponding to the power supply module according to the charging scheme.

Further, the system further comprises: and the interaction module is configured to respond to the situation that the current idle power supply module cannot sufficiently execute the charging scheme, and inquire whether a user of the equipment to be charged performs power-down charging or queuing.

further, the control module is further configured to: and responding to the user selection of the equipment to be charged to perform power-down charging, and controlling the at least one charging gun to output the electric energy of the currently idle power supply module, wherein the currently idle power supply module operates at the highest power.

Further, the control module is further configured to: and responding to the queue selection of the user of the equipment to be charged, determining the shortest waiting time of the user, and transmitting the shortest waiting time to the user through the interaction module.

Further, the charging scheme determination module is configured to determine the charging scheme under the current charging request according to the following formula:

Wherein n is the total number of the power modules,in order to put in the charging efficiency of the m power modules,The number of the power supply modules which are put into operation is Po, the output power of the charging pile is Po, and the required power of the equipment to be charged is Pc.

compared with the prior art, the invention has the following beneficial effects:

1. According to the technical scheme, the power supply module configuration conforms to the use of a single-gun or multi-gun charging pile, and the efficiency curve of the power supply module in the charging pile is obtained according to the charging request of the electric vehicle when the electric vehicle is charged, so that the model selection scheme of the optimal power supply module collocation is judged, the maximum charging efficiency can be brought to the charging of the electric vehicle, the utilization rate of the power supply module is optimal, and the low working efficiency and high loss of the power supply module caused by idling or uneven distribution are reduced;

2. when the scheme is actually used, under the condition that the quantity of the power supply modules of the charging pile does not meet the quantity of the demand modules, a user can select to reduce power for charging or wait according to the demand, so that the problem that the charging pile cannot be charged when the charging power is insufficient is solved, and the user can carry out power reduction charging under necessary conditions.

Drawings

the invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a flow chart of embodiment 1 of the present invention;

FIG. 4 is a flow chart of embodiment 2 of the present invention;

FIG. 5 is a flow chart of embodiment 3 of the present invention;

The most important element symbols of the embodiment of the invention are as follows:

the charging gun comprises a charging gun-1, a power supply module-2, a device-3 to be charged, an acquisition module-4, a judgment module-5, a charging scheme determination module-6, a control module-7 and an interaction module-8.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.