阅读说明：本技术 一种充电桩有序充电管理系统及其控制方法 (Charging pile ordered charging management system and control method thereof ) 是由 邱建华 李富荣 郭栋茂 尚云峰 谭寿岩 高强 赵红茹 李芳芳 于 2021-01-25 设计创作，主要内容包括：本发明提供了一种充电桩有序充电管理系统,包括智慧能源主站、智能物联网关、载波集中器、载波模块和充电桩控制器,所述智慧能源主站与智能物联网关连接,所述智能物联网关与若干台区内的载波集中器连接,所述载波集中器与若干载波模块连接,每个载波模块与一个充电桩控制器连接。其控制方法,包括以下步骤：智慧能源主站接收手机APP的充电申请,生成充电计划并传输给智能物联网关；智能物联网关动态调整台区变压器负荷,判断该充电桩能否充电,如果能,则向载波集中器分配充电计划；载波集中器通过载波模块与充电桩控制器通讯,启动该充电桩。本发明调整台区充电桩的充电功率,将台区变压器负荷合理分配,实现有序充电。(The invention provides an ordered charging management system for charging piles, which comprises a smart energy master station, a smart internet of things gateway, a carrier concentrator, carrier modules and a charging pile controller, wherein the smart energy master station is connected with the smart internet of things gateway, the smart internet of things gateway is connected with the carrier concentrators in a plurality of transformer areas, the carrier concentrators are connected with the carrier modules, and each carrier module is connected with one charging pile controller. The control method comprises the following steps: the intelligent energy master station receives a charging application of the mobile phone APP, generates a charging plan and transmits the charging plan to the intelligent Internet of things gateway; the intelligent Internet of things gateway dynamically adjusts transformer load of the transformer area, judges whether the charging pile can be charged or not, and if yes, distributes a charging plan to the carrier concentrator; the carrier concentrator passes through the carrier module and fills electric pile controller communication, starts this electric pile that fills. The charging power of the charging pile in the transformer area is adjusted, the transformer load of the transformer area is reasonably distributed, and ordered charging is realized.)

1. The utility model provides a fill electric pile orderly charging management system which characterized in that: including wisdom energy main website, intelligent thing networking gateway, carrier wave concentrator, carrier wave module and fill electric pile controller, wisdom energy main website and intelligent thing networking gateway connection, intelligence thing networking gateway is connected with the carrier wave concentrator in a plurality of districts, the carrier wave concentrator is connected with a plurality of carrier wave modules, and every carrier wave module is connected with one fills electric pile controller.

2. The ordered charging management system for charging piles according to claim 1, wherein: one or more carrier concentrators are arranged in each station area.

3. The ordered charging management system for charging piles according to claim 1, wherein: the wisdom energy master station is through 4G or 5G mode and intelligent thing networking gateway communication, intelligence thing networking gateway passes through RS232 mode and carrier concentrator communication, the carrier concentrator passes through the HPLC mode and communicates with the carrier module, the carrier module passes through CAN bus mode and fills electric pile controller communication.

4. The ordered charging management system for charging piles according to claim 1, wherein: and the intelligent Internet of things gateway is used for adjusting the charging power of each charging pile in the transformer area according to the transformer load condition of the transformer area.

5. The ordered charging management system for charging piles according to claim 1, wherein: the intelligent Internet of things gateway comprises a CPU, a memory, a FLASH, a 4G/5G module, an RS485 interface, an RS232 interface and a network port, wherein the CPU is respectively connected with the memory, the FLASH, the 4G/5G module, the RS485 interface, the RS232 interface and the network port.

6. The control method of the charging pile ordered charging management system of any one of claims 1 to 5, characterized by comprising the following steps: the method comprises the following steps:

s1: the intelligent energy master station receives a charging application of a certain charging pile of the mobile phone APP, generates a charging plan and transmits the charging plan to the intelligent Internet of things gateway;

s2: the intelligent internet of things gateway dynamically adjusts transformer loads of the transformer area by adjusting charging power of each charging pile, and judges whether the transformer loads of the transformer area where the charging piles are located exceed a threshold value: if the charging schedule exceeds the threshold value, returning the charging schedule to the smart energy master station, and informing the smart energy master station of the mobile phone APP, wherein the charging schedule fails to be issued; if the charging amount does not exceed the threshold value, distributing a charging plan to a carrier concentrator where the charging pile is located;

s3: the carrier concentrator is communicated with the charging pile controller through the carrier module corresponding to the charging pile to start the charging pile.

7. The control method of the charging pile ordered charging management system according to claim 6, characterized by comprising the following steps: in step S2, the intelligent internet of things gateway calculates the remaining amount of accessible loads according to the transformer load condition of the distribution room in the distribution room, and then dynamically adjusts the charging power of the charging pile currently being charged according to the charging time, the charging amount, and the charging power of each charging pile in the distribution room, and increases the remaining amount of accessible loads.

8. The control method of the charging pile ordered charging management system according to claim 6, characterized by comprising the following steps: in step S2, the intelligent internet of things gateway distributes charging power and charging sequence of the charging piles in order according to the charging time and the vehicle pickup time applied by the user.

9. The control method of the charging pile ordered charging management system according to claim 6, characterized by comprising the following steps: s4: fill electric pile and accomplish the back that charges, fill electric pile controller and will charge completion information and send wisdom energy main website through carrier module, carrier concentrator, intelligent thing networking gateway, wisdom energy main website will charge expense information transmission to cell-phone APP.

10. The control method of the charging pile ordered charging management system according to claim 9, characterized by comprising: in step S4, after receiving the charging completion information, the intelligent internet of things gateway dynamically adjusts the charging power of other charging piles.

Technical Field

The invention belongs to the technical field of charging control, and particularly relates to an orderly charging management system for a charging pile and a control method thereof.

Background

At present, the market scale of electric automobiles in China is rapidly increased, and the large-scale charging demand is formed in part of communities in economically developed cities. The disordered charging of the large-scale electric automobile brings huge challenges to the safe, economic and reliable operation of a power grid, and the charging requirements of the electric automobile cannot be met in time. The existing charging pile system has the following problems: problems of power distribution network line overload, voltage drop, power distribution network loss increase and the like are caused by the increase of the load of a power grid; the problem of random charging load of the electric automobile is caused due to the uncertainty of the charging time of the user; the problem of increasing the difficulty of frequency modulation and voltage regulation of the power grid due to the deterioration of the frequency of the power grid; a large amount of harmonic waves are generated in the using process of the equipment, so that the service life of the equipment is shortened; the large-scale charging load of the electric automobile can change the problems of a distribution network topological structure and load layout.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides an orderly charging management system for charging piles and a control method thereof.

The technical scheme adopted by the invention is as follows: the utility model provides a fill electric pile orderly charging management system, includes wisdom energy main website, intelligent thing allies oneself with gateway, carrier concentrator, carrier wave module and fills the electric pile controller, wisdom energy main website and intelligent thing allies oneself with the gateway and is connected, intelligence thing allies oneself with the gateway and is connected with the carrier wave concentrator in a plurality of districts, the carrier wave concentrator is connected with a plurality of carrier wave modules, and every carrier wave module is connected with one fills the electric pile controller.

Preferably, one or more carrier concentrators are provided in each station area.

Preferably, the intelligent energy master station communicates with the intelligent internet of things gateway in a 4G or 5G mode, the intelligent internet of things gateway communicates with the carrier concentrator in an RS232 mode, the carrier concentrator communicates with the carrier module in an HPLC mode, and the carrier module communicates with the charging pile controller in a CAN bus mode.

Preferably, the intelligent internet of things gateway is used for adjusting the charging power of each charging pile in the transformer area according to the transformer load condition of the transformer area.

Preferably, the intelligent internet of things gateway comprises a CPU, a memory, a FLASH, a 4G/5G module, an RS485 interface, an RS232 interface and a network port, wherein the CPU is respectively connected with the memory, the FLASH, the 4G/5G module, the RS485 interface, the RS232 interface and the network port.

The technical scheme adopted by the invention is as follows: the control method of the charging pile ordered charging management system comprises the following steps:

s1: the intelligent energy master station receives a charging application of a certain charging pile of the mobile phone APP, generates a charging plan and transmits the charging plan to the intelligent Internet of things gateway;

s2: the intelligent internet of things gateway dynamically adjusts transformer loads of the transformer area by adjusting charging power of each charging pile, and judges whether the transformer loads of the transformer area where the charging piles are located exceed a threshold value: if the charging schedule exceeds the threshold value, returning the charging schedule to the smart energy master station, and informing the smart energy master station of the mobile phone APP, wherein the charging schedule fails to be issued; if the charging amount does not exceed the threshold value, distributing a charging plan to a carrier concentrator where the charging pile is located;

s3: the carrier concentrator is communicated with the charging pile controller through the carrier module corresponding to the charging pile to start the charging pile.

Preferably, in step S2, the intelligent internet of things gateway calculates the remaining amount of the accessible load according to the transformer load condition of the distribution room in the distribution room, and then dynamically adjusts the charging power of the charging pile currently being charged according to the charging time, the charging amount, and the charging power of each charging pile in the distribution room, so as to increase the remaining amount of the accessible load. And accessing as many charging applications as possible.

Preferably, in step S2, the intelligent internet of things gateway distributes charging power and charging sequence of the charging piles in order according to the charging time and the vehicle pickup time requested by the user. And under the condition of the tension of the load of the transformer area, the charging requirements of multiple users are met.

Preferably, S4: fill electric pile and accomplish the back that charges, fill electric pile controller and will charge completion information and send wisdom energy main website through carrier module, carrier concentrator, intelligent thing networking gateway, wisdom energy main website will charge expense information transmission to cell-phone APP.

Preferably, in step S4, after receiving the charging completion information, the intelligent internet of things gateway dynamically adjusts the charging power of the other charging piles.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the safe running state of the power grid, the charging time and the charging power of the electric automobile are taken as control variables, constraints such as user charging requirements and battery performance are comprehensively considered, the charging and discharging process of the electric automobile is coordinated and the electric automobile is controlled to be charged orderly with the aim of minimum influence on the power grid and optimal economy; and the batteries of the large-scale electric automobile are used as a distributed energy storage system, the batteries are selectively discharged at the peak load of the power grid, and are selectively charged at the valley load, the charge-discharge process is reasonably optimized and coordinated, and the effects of peak clipping and valley filling are achieved. The electric automobile electric quantity is guaranteed to meet normal driving requirements while national grid load is reduced.

2. The intelligent Internet of things gateway is designed based on the thought of industrial Internet of things and the Internet as Internet of things equipment supporting the core of the intelligent energy master station, collects load data of a transformer area in real time, achieves intelligent adjustment and control inside the transformer area through edge calculation, and finally achieves the purposes of intelligent energy consumption inside the transformer area, balance of power grid and user supply and demand, dynamic planning and real-time adjustment.

3. The invention selects the carrier concentrator, can automatically receive the data of a plurality of carrier modules, collects the data and transmits the data to the intelligent Internet of things gateway, thereby reducing the working intensity of workers and improving the working efficiency. The carrier wave module issues the charging instruction to charging pile through CAN communication, has wide voltage input range, does not need extra wiring, is simple to use, and convenient to operate to CAN receive, upload the data that fill electric pile controller.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an intelligent internet of things gateway according to an embodiment of the present invention;

FIG. 3 is a control flow diagram of an embodiment of the present invention;

fig. 4 is a flowchart illustrating a charging start process of an intelligent internet of things gateway according to an embodiment of the present invention;

fig. 5 is a flowchart illustrating a charging termination process of the intelligent internet of things gateway according to an embodiment of the present invention;

fig. 6 is a flowchart of the operation of the APP of the mobile phone according to the embodiment of the present invention.

In the figure, 1-an intelligent energy master station, 2-an intelligent internet of things gateway, 3-a carrier concentrator, 4-a carrier module, 5-a charging pile controller and 6-a charging pile.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The embodiment of the invention provides an orderly charging management system of a charging pile, which comprises a smart energy master station 1, a smart internet of things gateway 2, a carrier concentrator 3, carrier modules 4 and a charging pile controller 5, wherein the smart energy master station 1 is connected with the smart internet of things gateway 2, the smart internet of things gateway 2 is connected with the carrier concentrators 3 in a plurality of districts, the carrier concentrator 3 is connected with the carrier modules 4, and each carrier module 4 is connected with one charging pile controller 5, as shown in figures 1-2. One or more carrier concentrators 3 are provided within each station zone. In this embodiment, two carrier concentrators 3 are used in the platform area 1, one carrier concentrator 3 is used in the platform area 2, each carrier concentrator 3 is connected with a plurality of carrier modules 4, and each carrier module 4 corresponds to one charging pile. The quantity of carrier wave concentrator 3 is decided according to filling 6 quantity of electric pile in every platform district, and 3 burst management carrier wave modules 4 of a plurality of carrier wave concentrators with fill electric pile 6 improve intelligent thing and ally oneself with gateway 2 and fill electric pile controller 5 communication efficiency, avoid single carrier wave concentrator 3 to manage too many carrier wave modules 4, lead to the control chronogenesis chaotic, the collection fills the problem that electric pile 6 data are overtime.

Wisdom energy master station 1 is through 4G or 5G mode and the communication of intelligent thing allies oneself with gateway 2, intelligence thing allies oneself with gateway 2 and communicates with carrier concentrator 3 through the RS232 mode, carrier concentrator 3 passes through the HPLC mode and communicates with carrier module 4, carrier module 4 passes through CAN bus mode and fills the communication of electric pile controller 5. The charging pile controller 5 is mainly responsible for controlling charging power, collecting and inquiring charging data, storing charging transaction data and the like. The intelligent internet of things gateway 2 is used for judging whether the charging pile 6 in the transformer area can be used for charging according to the transformer area load condition. The intelligent internet of things gateway 2 comprises a CPU, a memory, a FLASH (memory device), a 4G/5G module, an RS485 interface, an RS232 interface and a network port, wherein the CPU is respectively connected with the memory, the FLASH, the 4G/5G module, the RS485 interface, the RS232 interface and the network port. The RS485 interface can be connected with equipment such as a transformer area general table or a DTU (data transfer unit), transformer load is monitored, and transformer load data of the transformer area are collected. The RS232 interface and the network port can be used for debugging or used for transmitting data through optical fibers. The intelligent energy master station 1 communicates with the intelligent Internet of things gateway 2 and adopts encrypted data transmission, the intelligent Internet of things gateway 2 and the carrier concentrator 3 adopt encrypted data transmission, and the encryption mode is not limited to soft encryption and hard encryption.

The embodiment of the invention provides a control method of an ordered charging management system of a charging pile, which comprises the following steps as shown in fig. 3:

s1: cell-phone APP sends the application of charging to smart energy main website 1 through scanning a certain two-dimensional code that fills on electric pile 6, and smart energy main website 1 receives this of cell-phone APP and fills electric pile 6's the application of charging, generates the charge plan and transmits the charge plan for intelligent thing networking gateway 2.

S2: the intelligent internet of things gateway 2 calculates the allowance of accessible loads according to the transformer load condition of the transformer in the transformer area, and then dynamically adjusts the charging power of the charging piles 6 which are currently charging according to the charging time, the charging amount and the charging power of each charging pile 6 in the transformer area, so as to increase the allowance of accessible loads. The charging time is determined by the charging time and the vehicle taking time of the user charging application. The intelligent internet of things gateway 2 dynamically adjusts the load of the transformer area by adjusting the charging power of each charging pile 6, and judges whether the load of the transformer area exceeds a threshold value after the charging piles 6 are added. If the charging schedule exceeds the threshold value, the charging schedule is returned to the intelligent energy master station 1, and the intelligent energy master station 1 informs the mobile phone APP; if the threshold is not exceeded, a charging plan is assigned to the carrier concentrator 3 in which the charging post 6 is located.

S3: the carrier concentrator 3 sends the charging plan to the carrier module 4, and the carrier module 4 communicates with the charging pile controller 5 to start the charging pile 6.

S4: fill electric pile 6 and accomplish the back that charges, fill electric pile controller 5 and will charge completion information and send wisdom energy main website 1 through carrier module 4, carrier concentrator 3, intelligent thing networking gateway 2, wisdom energy main website 1 will charge expense information and send to cell-phone APP. And after the intelligent Internet of things gateway receives the charging completion information, dynamically adjusting the charging power of other charging piles.

The intelligent internet of things gateway 2 starts a charging process, as shown in fig. 4, after receiving a charging plan issued by the intelligent energy master station 1, the intelligent internet of things gateway makes a response, analyzes the charging plan, encrypts the charging plan after judging that the charging plan can be performed, issues the charging plan to the carrier concentrator 3, and finally transmits the charging plan to the charging pile controller 5; the charging pile controller 5 generates a charging plan event (the charging pile can work normally) and a charging plan execution event (the charging pile starts charging) according to the charging plan; after receiving the charging plan event, the intelligent internet of things gateway 2 analyzes the charging plan event, responds, and reports the charging plan event to the intelligent energy master station 1; after receiving the charging plan execution event, the intelligent internet of things gateway 2 analyzes the charging plan event, responds, and reports the charging plan event to the intelligent energy master station 1.

After analyzing the charging plan, the intelligent internet of things gateway 2 acquires the charging power of the charging pile, compares the charging power with the residual amount of the transformer in the transformer area, which can be connected to the load, adjusts the charging power of the working charging pile to increase the load residual amount when the residual amount is insufficient, and encrypts the charging plan again after the residual amount is enough, and issues the charging plan to the electric pile controller 5. And adjusting the charging power of the charging pile comprises reducing the charging power of the charging pile, suspending charging of the charging pile and reverse power supply of the automobile battery.

The intelligent internet of things gateway 2 finishes the charging process, as shown in fig. 5, after the charging is fully performed or the charging is stopped, the electric pile controller 5 generates a charging settlement event; and after receiving the charging settlement event, the intelligent internet of things gateway 2 analyzes the charging settlement event, responds, and reports the charging settlement event to the intelligent energy master station 1.

The mobile phone APP operation process, as shown in fig. 6, opens the mobile phone APP, scans the two-dimensional code of the charging pile, and sets a charging mode and a charging amount; after the charging pile starts charging, the charging state can be checked at any time; and after the normal charging is finished or the charging is manually finished, receiving a settlement order and paying the order. When the charging mode and the charging amount are set, the vehicle taking time can be selected, and the charging time length is determined.

The present invention has been described in detail with reference to the embodiments, but the description is only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The scope of the invention is defined by the claims. The technical solutions of the present invention or those skilled in the art, based on the teaching of the technical solutions of the present invention, should be considered to be within the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention or equivalent technical solutions designed to achieve the above technical effects are also within the scope of the present invention.