阅读说明：本技术 一种换电站控制方法 (Control method for power change station ) 是由 刘作斌 熊刚 谌文平 吴晨燨 于 2021-07-14 设计创作，主要内容包括：本发明提供了换电站技术领域的一种换电站控制方法,包括如下步骤：步骤S10、用户通过客户端向服务器进行换电预约生成预约订单,服务器将所述预约订单发送给对应的换电站；步骤S20、换电站基于接收的所述预约订单,利用道闸对待换电的电动汽车进行身份验证后,放行电动汽车进入换电工位；步骤S30、换电站基于所述预约订单,将电动汽车的亏电电池拆卸下来,替换成满电电池,读取亏电电池以及满电电池的SN码并上传服务器；步骤S40、换电站基于削峰填谷策略对亏电电池进行充电。本发明的优点在于：极大的提升了换电的效率以及安全性,降低了电网负荷。(The invention provides a power swapping station control method in the technical field of power swapping stations, which comprises the following steps: step S10, the user carries out the power changing appointment to the server through the client to generate an appointment order, and the server sends the appointment order to the corresponding power changing station; step S20, the battery replacement station verifies the identity of the electric automobile to be replaced by the barrier gate based on the received reservation order, and then releases the electric automobile to enter the battery replacement station; step S30, the battery replacement station detaches the insufficient battery of the electric automobile based on the reservation order, replaces the insufficient battery with the full battery, reads SN codes of the insufficient battery and the full battery and uploads the SN codes to a server; and step S40, the power change station charges the insufficient battery based on the peak clipping and valley filling strategies. The invention has the advantages that: the efficiency and the security of trading the electricity have greatly been promoted, have reduced the electric wire netting load.)

1. A power station swapping control method is characterized in that: the method comprises the following steps:

step S10, the user carries out the power changing appointment to the server through the client to generate an appointment order, and the server sends the appointment order to the corresponding power changing station;

step S20, the battery replacement station verifies the identity of the electric automobile to be replaced by the barrier gate based on the received reservation order, and then releases the electric automobile to enter the battery replacement station;

step S30, the battery replacement station detaches the insufficient battery of the electric automobile based on the reservation order, replaces the insufficient battery with the full battery, reads SN codes of the insufficient battery and the full battery and uploads the SN codes to a server;

and step S40, the power change station charges the insufficient battery based on the peak clipping and valley filling strategies.

2. The power swapping station control method as claimed in claim 1, wherein: the step S10 specifically includes:

step S11, the client sends a power change reservation request to the server;

step S12, the server feeds back the power station changing data to the client based on the received power changing reservation request;

and step S13, the client sends a reservation order to the server based on the power station data, and the server forwards the reservation order to the corresponding power station.

3. The power swapping station control method as claimed in claim 2, wherein: the step S11 specifically includes:

the user sends an account number and a password to the server through the client for authentication, and then sends a battery replacement reservation request to the server;

the reserved battery replacement request at least comprises a license plate number, a vehicle model, a vehicle battery model and replacement quantity.

4. The power swapping station control method as claimed in claim 2, wherein: the step S12 specifically includes:

the server searches for the power change station data meeting the power change condition through a power change station information table based on the received power change reservation request, and sends the power change station data to the client;

5. the power swapping station control method as claimed in claim 4, wherein: the power station information table at least comprises a power station number, a power station name, a power station address, an idle time period of each power station, charging information of each power station, a battery model, the number of batteries corresponding to each battery model, an SOC value of each battery, the temperature of each battery and standing time of each battery.

6. The power swapping station control method as claimed in claim 4, wherein: the battery replacement condition is that the battery model is matched with the vehicle battery model, the SOC value is greater than a preset SOC threshold value, the temperature is less than a preset temperature threshold value, and the number of batteries with standing time greater than a preset time threshold value is greater than or equal to the replacement number;

the power changing station data at least comprises a power changing station number meeting a power changing condition, a power changing station name, a power changing station address, charging information, the number of remaining replaceable batteries of each power changing station and an idle time period of each power changing station.

7. The power swapping station control method as claimed in claim 2, wherein: in the step S13, the reservation order at least includes a license plate number, a vehicle battery model, a replacement number, a reservation battery replacement time, and a battery replacement station name of the reservation battery replacement.

8. The power swapping station control method as claimed in claim 1, wherein: the step S20 specifically includes:

the battery replacement station analyzes the received reservation order to obtain reservation battery replacement time and a license plate number, when the reservation battery replacement time arrives, the license plate number of the electric automobile is identified through a barrier gate, whether the license plate number of the electric automobile is matched with the license plate number carried by the reservation order is judged, if yes, the identity verification is passed, the barrier gate is opened, the electric automobile is released and enters a battery replacement station; if not, the identity authentication is not passed, and the barrier gate is not opened.

9. The power swapping station control method as claimed in claim 1, wherein: the step S30 specifically includes:

step S31, detecting whether the electric automobile is powered off by the battery replacement station, if so, entering step S32; if not, after the electric automobile is powered off, the step S32 is executed;

step S32, controlling an AGV to detach the insufficient-power batteries with the corresponding replacing quantity from the electric automobile by the battery replacement station based on the reserved order, reading the SN codes of the insufficient-power batteries through an RFID card reader, shooting battery pictures through a camera, and identifying the defects of the battery pictures and generating defect reports based on a machine learning technology;

step S33, the battery replacement station controls the stacker to transport the detached insufficient battery to an idle battery cabinet, controls the stacker to acquire full-charge batteries with corresponding replacement quantity from the battery cabinet based on the reserved order, reads the SN (serial number) of the full-charge batteries through the RFID (radio frequency identification) card reader and transports the SN to an AGV (automatic guided vehicle);

and step S34, the battery replacement station controls the AGV to install the full-charge battery on the electric automobile, locally stores the defect report and SN codes of the insufficient-charge battery and the full-charge battery, uploads the SN codes to the server, and opens the barrier gate to release the electric automobile.

10. The power swapping station control method as claimed in claim 1, wherein: the step S40 specifically includes:

the method comprises the steps that a power conversion station sets a peak power time period and a valley power time period, whether the current time is in the valley power time period or not is judged, and if yes, a battery cabinet is controlled to charge a power-lack battery with an SOC value smaller than 95%; if not, the charging operation is not carried out.

Technical Field

The invention relates to the technical field of power swapping stations, in particular to a power swapping station control method.

Background

With the rapid development of electric vehicles, the electric vehicles have a larger and larger share in the market. However, since the battery technology does not produce breakthrough progress, the electric vehicle needs to be loaded with more batteries for longer endurance, and the loading of more batteries leads to a series of problems that the cost of the whole vehicle is high, and the like, so that the endurance problem of the electric vehicle always troubles users, mileage anxiety is caused to the users, and the time spent on fully charging one electric vehicle is far longer than the time spent on adding one fuel oil to the traditional fuel oil vehicle; the operation vehicle with the largest charging demand is generally charged in the shift time period, which happens to be the electricity consumption peak of the city, and generates a great load on the city power grid; therefore, the power change station can be used for directly obtaining the endurance mileage by replacing the fully charged battery for the electric automobile.

However, the traditional battery replacement station does not well control the battery replacement process, an electric vehicle with a battery replacement demand directly drives to a nearest battery replacement station to queue for battery replacement, a battery with a power shortage is replaced to directly charge, the battery replacement needs to be performed by a very long team frequently, or a matched battery is not replaced, a large amount of time of a user is wasted, the battery with the power shortage is directly charged without management and control, an overlarge load is easily generated on a power grid, or the battery is damaged by overcharging, and a safety problem is caused.

Therefore, how to provide a power swapping station control method to achieve the purposes of improving the efficiency and safety of power swapping and reducing the load of a power grid becomes a problem to be solved urgently.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a power conversion station control method, which can improve the power conversion efficiency and safety and reduce the load of a power grid.

The invention is realized by the following steps: a power station swapping control method comprises the following steps:

step S10, the user carries out the power changing appointment to the server through the client to generate an appointment order, and the server sends the appointment order to the corresponding power changing station;

step S20, the battery replacement station verifies the identity of the electric automobile to be replaced by the barrier gate based on the received reservation order, and then releases the electric automobile to enter the battery replacement station;

step S30, the battery replacement station detaches the insufficient battery of the electric automobile based on the reservation order, replaces the insufficient battery with the full battery, reads SN codes of the insufficient battery and the full battery and uploads the SN codes to a server;

and step S40, the power change station charges the insufficient battery based on the peak clipping and valley filling strategies.

Further, the step S10 specifically includes:

step S11, the client sends a power change reservation request to the server;

step S12, the server feeds back the power station changing data to the client based on the received power changing reservation request;

and step S13, the client sends a reservation order to the server based on the power station data, and the server forwards the reservation order to the corresponding power station.

Further, the step S11 is specifically:

the user sends an account number and a password to the server through the client for authentication, and then sends a battery replacement reservation request to the server;

the reserved battery replacement request at least comprises a license plate number, a vehicle model, a vehicle battery model and replacement quantity.

Further, the step S12 is specifically:

the server searches for the power change station data meeting the power change condition through a power change station information table based on the received power change reservation request, and sends the power change station data to the client;

further, the power change station information table at least includes a power change station number, a power change station name, a power change station address, an idle time period of each power change station, charging information of each power change station, a battery model, a battery number corresponding to each battery model, an SOC value of each battery, a temperature of each battery, and a standing time of each battery.

Further, the battery replacement condition is that the battery model is matched with the vehicle battery model, the SOC value is greater than a preset SOC threshold value, the temperature is less than a preset temperature threshold value, and the number of batteries with standing time greater than a preset time threshold value is greater than or equal to the replacement number;

the power changing station data at least comprises a power changing station number meeting a power changing condition, a power changing station name, a power changing station address, charging information, the number of remaining replaceable batteries of each power changing station and an idle time period of each power changing station.

Further, in step S13, the reservation order at least includes a license plate number, a vehicle battery model, a replacement quantity, a reserved battery replacement time, and a battery replacement station name for the reserved battery replacement.

Further, the step S20 is specifically:

the battery replacement station analyzes the received reservation order to obtain reservation battery replacement time and a license plate number, when the reservation battery replacement time arrives, the license plate number of the electric automobile is identified through a barrier gate, whether the license plate number of the electric automobile is matched with the license plate number carried by the reservation order is judged, if yes, the identity verification is passed, the barrier gate is opened, the electric automobile is released and enters a battery replacement station; if not, the identity authentication is not passed, and the barrier gate is not opened.

Further, the step S30 specifically includes:

step S31, detecting whether the electric automobile is powered off by the battery replacement station, if so, entering step S32; if not, after the electric automobile is powered off, the step S32 is executed;

step S32, controlling an AGV to detach the insufficient-power batteries with the corresponding replacing quantity from the electric automobile by the battery replacement station based on the reserved order, reading the SN codes of the insufficient-power batteries through an RFID card reader, shooting battery pictures through a camera, and identifying the defects of the battery pictures and generating defect reports based on a machine learning technology;

step S33, the battery replacement station controls the stacker to transport the detached insufficient battery to an idle battery cabinet, controls the stacker to acquire full-charge batteries with corresponding replacement quantity from the battery cabinet based on the reserved order, reads the SN (serial number) of the full-charge batteries through the RFID (radio frequency identification) card reader and transports the SN to an AGV (automatic guided vehicle);

and step S34, the battery replacement station controls the AGV to install the full-charge battery on the electric automobile, locally stores the defect report and SN codes of the insufficient-charge battery and the full-charge battery, uploads the SN codes to the server, and opens the barrier gate to release the electric automobile.

Further, the step S40 is specifically:

the method comprises the steps that a power conversion station sets a peak power time period and a valley power time period, whether the current time is in the valley power time period or not is judged, and if yes, a battery cabinet is controlled to charge a power-lack battery with an SOC value smaller than 95%; if not, the charging operation is not carried out.

The invention has the advantages that:

1. the client-side carries out the battery replacement appointment to the server to generate an appointment order, the server sends the appointment order to the corresponding battery replacement station, the battery replacement station replaces the electric automobile based on the appointment order, the situation that a user needs to arrange a very long team to replace the battery is avoided, or a battery which is not matched is found to be replaced after the user arrives at the battery replacement station is avoided, and the battery replacement efficiency is greatly improved.

2. The battery is matched through temperature and standing time, so that the problem of safety caused by the fact that the battery with overhigh temperature or too short standing time is replaced by the electric automobile is avoided, the battery with the SOC value smaller than 95% is only charged, the overcharge of the battery is avoided, the safety of the battery is greatly improved, and the safety of battery replacement is greatly improved.

3. The peak clipping and valley filling strategy is used for charging the insufficient-power battery, namely, the insufficient-power battery is charged only in the valley power period, so that the urban power consumption peak is avoided, and the load of a power grid is greatly reduced.

4. Shoot the battery photo through the camera, based on the defect that machine learning technique discernment battery photo exists, whether intelligent recognition battery exists the damage promptly, in time overhauls by the staff when having the damage, avoids electric automobile to change the battery that has the potential safety hazard, has further promoted the security of trading the electricity.

5. The SN codes of the insufficient-power batteries and the full-power batteries are uploaded to the server, so that the server can track and manage the circulation condition of each battery based on the SN codes.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a flowchart of a power swapping station control method according to the present invention.

Detailed Description

The technical scheme in the embodiment of the application has the following general idea: the method comprises the steps that a client-side carries out battery replacement appointment to a server to generate an appointment order and sends the appointment order to a corresponding battery replacement station, and the battery replacement station carries out battery replacement on the electric automobile based on the appointment order to improve battery replacement efficiency; the batteries are matched through temperature and standing time, the situation that the batteries of the electric automobile are replaced by the batteries with overhigh temperature or too short standing time is avoided, and the batteries with the SOC value smaller than 95% are only charged, so that the overcharge of the batteries is avoided, and the safety of battery replacement is improved; and the power-lack battery is charged through a peak clipping and valley filling strategy so as to reduce the load of the power grid.

Referring to fig. 1, a preferred embodiment of a power swapping station control method according to the present invention includes the following steps:

step S10, the user carries out the battery replacement appointment to the server through the client to generate an appointment order, and the server sends the name of the battery replacement station carried by the appointment order to the corresponding battery replacement station; the situation that a user needs to arrange a very long team to change the battery through the battery changing appointment or the situation that a matched battery is not changed after the user arrives at the battery changing station is avoided, and therefore the battery changing efficiency is greatly improved;

step S20, the battery replacement station verifies the identity of the electric automobile to be replaced by the barrier gate based on the received reservation order, and then releases the electric automobile to enter the battery replacement station; the reserved battery replacement time and the license plate number correspond to each other and then the vehicle is released;

step S30, the battery replacement station detaches the insufficient battery of the electric automobile based on the reservation order, replaces the insufficient battery with the full battery, reads SN codes of the insufficient battery and the full battery and uploads the SN codes to a server;

and step S40, the power change station charges the insufficient battery based on the peak clipping and valley filling strategies.

The step S10 specifically includes:

step S11, the client sends a power change reservation request to the server; the electric automobile which does not send the reserved battery replacement request and needs to replace the battery needs to be queued in a battery replacement station to wait for the arrival of an idle time period;

step S12, the server feeds back the power change station data to the client based on the received power change reservation request, and the server is used for making a vehicle master-slave select a specific power change station and reserving power change time from power change stations meeting power change conditions;

and step S13, the client sends a reservation order to the server based on the power station data, and the server forwards the reservation order to the corresponding power station.

In specific implementation, the reservation order carrying the battery number can be sent, the battery corresponding to the battery number is directly locked, and the server marks the battery pack corresponding to the battery number as a reservation state after receiving the reservation order; when the battery is replaced or the battery replacement time is exceeded, the battery is marked as not reserved again.

The step S11 specifically includes:

the user sends an account number and a password to the server through the client for authentication, and then sends a battery replacement reservation request to the server;

the reserved battery replacement request at least comprises a license plate number, a vehicle model, a vehicle battery model and replacement quantity.

The step S12 specifically includes:

the server searches for the power change station data meeting the power change condition through a power change station information table based on the received power change reservation request, and sends the power change station data to the client;

the power station information table at least comprises a power station number, a power station name, a power station address, an idle time period of each power station, charging information of each power station, a battery model, the number of batteries corresponding to each battery model, an SOC value of each battery, the temperature of each battery and standing time of each battery.

The battery replacement condition is that the battery model is matched with the vehicle battery model, the SOC value is greater than a preset SOC threshold value, the temperature is less than a preset temperature threshold value, and the number of batteries with standing time greater than a preset time threshold value is greater than or equal to the replacement number; the batteries are matched through temperature and standing time, so that the safety problem caused by the fact that the batteries of the electric automobile are replaced to be overhigh in temperature or too short in standing time is avoided;

the power changing station data at least comprises a power changing station number meeting a power changing condition, a power changing station name, a power changing station address, charging information, the number of remaining replaceable batteries of each power changing station and an idle time period of each power changing station.

In the step S13, the reservation order at least includes a license plate number, a vehicle battery model, a replacement number, a reservation battery replacement time, and a battery replacement station name of the reservation battery replacement.

The step S20 specifically includes:

the battery replacement station analyzes the received reservation order to obtain reservation battery replacement time and a license plate number, when the reservation battery replacement time arrives, the license plate number of the electric automobile is identified through a barrier gate, whether the license plate number of the electric automobile is matched with the license plate number carried by the reservation order is judged, if yes, the identity verification is passed, the barrier gate is opened, the electric automobile is released and enters a battery replacement station; if not, the identity authentication is not passed, and the barrier gate is not opened.

The step S30 specifically includes:

step S31, detecting whether the electric automobile is powered off by the battery replacement station, if so, entering step S32; if not, after the electric automobile is powered off, the step S32 is executed; the battery replacement of the electric automobile is avoided by detecting whether the electric automobile is powered off, so that the safety of the battery replacement is guaranteed;

step S32, controlling an AGV to detach the insufficient-power batteries with the corresponding replacing quantity from the electric automobile by the battery replacement station based on the reserved order, reading the SN codes of the insufficient-power batteries through an RFID card reader, shooting battery pictures through a camera, and identifying the defects of the battery pictures and generating defect reports based on a machine learning technology; when the defect exists, reminding workers to overhaul the battery through a display screen or an audible and visual alarm;

step S33, the battery replacement station controls the stacker to transport the detached insufficient battery to an idle battery cabinet, controls the stacker to acquire full-charge batteries with corresponding replacement quantity from the battery cabinet based on the reserved order, reads the SN (serial number) of the full-charge batteries through the RFID (radio frequency identification) card reader and transports the SN to an AGV (automatic guided vehicle);

and step S34, the battery replacement station controls the AGV trolley to install the full-charge battery on the electric automobile, locally stores the defect report and SN codes of the insufficient-charge battery and the full-charge battery, uploads the SN codes to the server, and opens the barrier gate to release the electric automobile, so that the battery replacement of the electric automobile is completed. The SN codes of the insufficient-power batteries and the full-power batteries are uploaded to the server, so that the server can track and manage the circulation condition of each battery based on the SN codes.

The step S40 specifically includes:

the method comprises the steps that a power conversion station sets a peak power time period and a valley power time period, whether the current time is in the valley power time period or not is judged, and if yes, a battery cabinet is controlled to charge a power-lack battery with an SOC value smaller than 95%; if not, the charging operation is not carried out. The power-lack battery is charged through a peak clipping and valley filling strategy, namely, the charging is only carried out in the valley power period, so that the urban power consumption peak is avoided, and the load of a power grid is greatly reduced; the battery with the SOC value smaller than 95% is only charged, so that the overcharge of the battery is avoided, and the safety of the battery is greatly improved.

In summary, the invention has the advantages that:

1. the client-side carries out the battery replacement appointment to the server to generate an appointment order, the server sends the appointment order to the corresponding battery replacement station, the battery replacement station replaces the electric automobile based on the appointment order, the situation that a user needs to arrange a very long team to replace the battery is avoided, or a battery which is not matched is found to be replaced after the user arrives at the battery replacement station is avoided, and the battery replacement efficiency is greatly improved.

2. The battery is matched through temperature and standing time, so that the problem of safety caused by the fact that the battery with overhigh temperature or too short standing time is replaced by the electric automobile is avoided, the battery with the SOC value smaller than 95% is only charged, the overcharge of the battery is avoided, the safety of the battery is greatly improved, and the safety of battery replacement is greatly improved.

3. The peak clipping and valley filling strategy is used for charging the insufficient-power battery, namely, the insufficient-power battery is charged only in the valley power period, so that the urban power consumption peak is avoided, and the load of a power grid is greatly reduced.

4. Shoot the battery photo through the camera, based on the defect that machine learning technique discernment battery photo exists, whether intelligent recognition battery exists the damage promptly, in time overhauls by the staff when having the damage, avoids electric automobile to change the battery that has the potential safety hazard, has further promoted the security of trading the electricity.

5. The SN codes of the insufficient-power batteries and the full-power batteries are uploaded to the server, so that the server can track and manage the circulation condition of each battery based on the SN codes.

Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.