CN113580995B - Method for safe and intelligent ordered load dispersing strategy of charging pile superior power supply - Google Patents
Method for safe and intelligent ordered load dispersing strategy of charging pile superior power supply Download PDFInfo
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- CN113580995B CN113580995B CN202111027758.0A CN202111027758A CN113580995B CN 113580995 B CN113580995 B CN 113580995B CN 202111027758 A CN202111027758 A CN 202111027758A CN 113580995 B CN113580995 B CN 113580995B
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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
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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
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a safe and intelligent ordered load distribution strategy method for a charging pile superior power supply, which comprises the following steps: setting the total amount of available load of each time interval of the whole line; setting the maximum load capacity of each charging pile of the subordinate; monitoring the service condition of the current lower-level charging pile, and controlling an idle charging pile loop switch to be switched on and off according to the total amount of the remaining available load; if the vehicle still waits for charging in the idle charging pile, the step S3 is repeatedly executed; monitoring whether the total used load of the current whole line exceeds the total available load, and if so, executing power-off switching-off of part of charging pile loops to ensure that the total load does not exceed the limit; if the whole line is still overloaded after the step S5 is executed, the step S5 is continuously executed until the line is not overloaded; according to the invention, the scattered use or time-sharing use of the power consumption of the lower-level charging pile is limited according to the size of the actual available idle load, the total charging power consumption load is ensured not to exceed the limited total amount of the available load, and the safety is strong.
Description
Technical Field
The invention relates to the technical field of charging piles, in particular to a safe and intelligent method for an orderly distributed load strategy of a superior power supply of a charging pile.
Background
It is similar to the tanker aircraft inside the filling station to fill its function of electric pile, can fix on ground or wall, install in public building (public building, market, public parking area etc.) and residential quarter parking area or charging station, can charge for the electric automobile of various models according to different voltage classes, the input and the alternating current grid lug connection of filling electric pile, the output all is equipped with the charging plug and is used for charging for electric automobile, it generally provides two kinds of charging methods of conventional charging and quick charge to fill electric pile, people can use specific charging card to brush the card on the man-machine interaction operation interface that fills electric pile and provide and use, carry out corresponding charging method, the charging time, operation such as expense data printing, it can show the charging volume to fill electric pile display screen, the expense, data such as charging time.
The existing charging facilities are usually built based on the existing transformer area load bearing capacity, the charging facilities have strong time characteristics, the situation that the line is overheated and even a fire disaster is caused by serious overload of the power load in a peak period is often caused, and if the transformer in the transformer area is increased blindly, serious light load in a valley period is caused, so that huge power consumption loss and load waste are caused.
Therefore, the invention provides a safe and intelligent method for an orderly distributed load strategy of a superior power supply of a charging pile, and aims to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a safe and intelligent method for an orderly distributed load strategy of a superior power supply of a charging pile, and solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for a safe and intelligent orderly dispersed load strategy of a superior power supply of a charging pile comprises the following steps:
step S1: setting the total amount of available load of each time interval of the whole line;
step S2: setting the maximum load capacity of each lower-level charging pile;
step S3: monitoring the service condition of the current lower-level charging pile, and controlling an idle charging pile loop switch to be switched on and off according to the total amount of the remaining available load;
step S4: if the vehicle still waits for charging in the idle charging pile, the step S3 is repeatedly executed;
step S5: monitoring whether the total used load of the current whole line exceeds the total available load, and if so, executing power-off switching-off of part of charging pile loops to ensure that the total load does not exceed the limit;
step S6: if the whole line is still overloaded after the step S5 is executed, the step S5 is continuously executed until the line is not overloaded;
step S7: when a new vehicle is connected into the charging pile, a power utilization request is added to the power utilization demand queue, and the opening and closing of the charging pile are executed according to the current remaining available load condition.
Preferably, the method for setting the total amount of the available load in each time interval of the whole line in step S1 is to configure the total amount of the available load in each time interval by dividing one hour into one time interval by 24 hours per day.
Preferably, in step S2, the maximum load of each charging pile is the maximum charging load of the vehicle on the market.
Preferably, the basis for controlling the opening and closing of the idle charging pile loop switch in the step S3 is as follows: if the total amount of the remaining available load is less than that of at least one new vehicle, all idle charging pile loops are switched off; if the remaining available load is enough to charge at least one new vehicle and no vehicle waits for charging on all the existing idle charging pile loops, closing all the idle charging pile loops; and if the total amount of the remaining available load is enough for charging at least one new vehicle, and vehicles wait to be charged on the current idle charging pile loop, closing the charging pile loop of the first vehicle according to the principle of first arrival and first acquisition, and setting the loop in a power utilization state.
Preferably, after the total amount of available loads changes with time interval in step S5, when the total amount of available loads becomes larger, step S3 is executed, and when the total amount of available loads becomes smaller, if the total used load of the whole line exceeds the total amount of available loads, the charging pile of the last vehicle is powered off and opened, so as to reduce the total amount of used loads.
Preferably, when a new vehicle is connected to the charging pile in step S7, the remaining available load of the line is sufficient for charging the vehicle, the circuit is closed when step S3 is executed, and if the remaining available load of the line is not sufficient for charging the vehicle, the vehicle waits for the presence of the load to execute the charging.
A system for safe and intelligent ordered load distribution strategy of a charging pile superior power supply comprises a plurality of charging piles, wherein each charging pile is electrically connected with an intelligent miniature circuit breaker, the intelligent miniature circuit breakers are in signal connection with a controller, the controller is in signal connection with an available load total quantity presetting module, a comparison module and a wireless communication module, the wireless communication module is in signal connection with a background cloud end, the intelligent miniature circuit breakers can monitor real-time data such as voltage, current, active and reactive power and the like on a lead between the charging piles and the intelligent miniature circuit breakers and can perform switching-on and switching-off operations, the available load total quantity presetting module can set the available load total quantity in each period of the whole line, the comparison module can compare the total load used by the charging piles with the available load total quantity preset by the available load total quantity presetting module so as to determine whether to perform switching-on and switching-off operations, the staff can operate the backstage high in the clouds to carry out remote control through wireless communication module.
Preferably, the wireless communication module is any one of a GPRS module, a Zigbee module, a 4G communication module, and a 5G communication module.
Preferably, the intelligent miniature circuit breaker comprises a data acquisition unit, an execution mechanism and a microprocessor, wherein the data acquisition unit can acquire real-time data such as voltage, current and active and reactive power, the microprocessor is used for controlling the execution mechanism, and the execution mechanism is used for controlling the switching-on and switching-off of the intelligent miniature circuit breaker.
Advantageous effects
The invention provides a safe and intelligent method for an orderly distributed load strategy of a superior power supply of a charging pile. Compared with the prior art, the method has the following beneficial effects:
(1) the invention provides a safe and intelligent ordered load distribution strategy method for a charging pile superior power supply, which is used for solving the problems that under the condition that the load of a transformer area is limited, the distributed use or time-sharing use of the power consumption of a subordinate charging pile is limited according to the size of the actual available idle load, and the total charging power consumption load does not exceed the limited total available load amount, so that the condition that a circuit is overheated due to overload of the load and even a fire disaster is caused is avoided, the safety is high, and simultaneously, the problems of huge power consumption loss and load waste caused by serious light load in a low-ebb period due to blind capacity expansion of a transformer are avoided.
(2) The method and the device can set the maximum load capacity of each time period of each transformer area according to the change of the actual power utilization conditions of different transformer areas, and the method and the device are applicable to different transformer areas, wide in application range and strong in practicability.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a block flow diagram of the method of the present invention;
fig. 3 is a block diagram of the architecture of the system of the present invention.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a method for safe and intelligent orderly distributed load strategy of charging pile superior power includes the following steps:
step S1: setting the total amount of available load in each time interval of the whole line, wherein the total amount of available load in each time interval of the whole line is divided into one time interval according to 24 hours and one hour every day, and the total amount of available load in each time interval is configured
Step S2: setting the maximum load capacity of each charging pile at the next stage, wherein the maximum load capacity of each charging pile is the maximum charging load of the vehicles on the market;
step S3: monitoring the service condition of the current lower-level charging pile, controlling the opening and closing of an idle charging pile loop switch according to the remaining available load total amount, and opening all idle charging pile loops if the remaining available load total amount is less than that of at least one new vehicle; if the remaining available load is enough to charge at least one new vehicle and no vehicle waits for charging on all the existing idle charging pile loops, closing all the idle charging pile loops; if the total amount of the remaining available load is enough to charge at least one new vehicle, and vehicles wait for charging on the current idle charging pile loop, closing the charging pile loop of the first vehicle according to the principle of first arrival and first arrival, and setting the loop in a power utilization state;
step S4: if the vehicle still waits for charging in the idle charging pile, the step S3 is repeatedly executed;
step S5: monitoring whether the total used load of the current whole line exceeds the total available load, if so, performing power-off brake-off of part of charging pile loops, ensuring that the total load does not exceed the limit, after the total available load changes along with time intervals, when the total load becomes larger, performing step S3, when the total available load becomes smaller, and if the total used load of the whole line exceeds the total available load, performing power-off brake-off on the charging pile of the last charged vehicle, and reducing the total used load;
step S6: if the whole line is still overloaded after the step S5 is executed, the step S5 is continuously executed until the line is not overloaded;
step S7: when a new vehicle is connected into the charging pile, adding a power utilization request in the power utilization demand queue, and executing opening and closing of the charging pile according to the current remaining available load condition; if the available load remaining in the line is sufficient for vehicle charging, the circuit will be closed when step S3 is performed, and if the available load remaining in the line is not sufficient for vehicle charging, the vehicle will wait for a load before charging is performed.
Example two:
referring to fig. 3, a system for safe and intelligent ordered load distribution strategy of a charging pile superior power supply comprises a plurality of charging piles, each charging pile is electrically connected with an intelligent miniature circuit breaker, the intelligent miniature circuit breaker is in signal connection with a controller, the controller is in signal connection with an available load total amount presetting module, a comparison module and a wireless communication module, the wireless communication module is in signal connection with a background cloud end, the intelligent miniature circuit breaker can monitor real-time data such as voltage, current, active and reactive power and the like on a wire between the charging pile and the intelligent miniature circuit breaker and can perform closing and opening operations, the available load total amount presetting module can set the available load total amount in each period of the whole line, the comparison module can compare the total load used by the charging pile with the available load total amount preset by the available load total amount presetting module so as to determine whether to perform closing and opening operations, the staff can operate the background cloud and carry out remote control through the wireless communication module; the wireless communication module is any one of a GPRS module, a Zigbee module, a 4G communication module and a 5G communication module; the intelligent miniature circuit breaker comprises a data acquisition unit, an actuating mechanism and a microprocessor, wherein the data acquisition unit can acquire real-time data such as voltage, current and active and reactive power, the microprocessor is used for controlling the actuating mechanism, and the actuating mechanism is used for controlling the switching-on and switching-off of the intelligent miniature circuit breaker.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A method for safe and intelligent orderly distributed load strategy of a superior power supply of a charging pile is characterized by comprising the following steps:
step S1: setting the total amount of available load of each time interval of the whole line;
step S2: setting the maximum load capacity of each lower-level charging pile;
step S3: monitoring the service condition of the current lower-level charging pile, and controlling an idle charging pile loop switch to be switched on and off according to the total amount of the remaining available load;
step S4: if the vehicle still waits for charging in the idle charging pile, the step S3 is repeatedly executed;
step S5: monitoring whether the total used load of the current whole line exceeds the total available load, and if so, executing power-off switching-off of part of charging pile loops to ensure that the total load does not exceed the limit;
step S6: if the whole line is still overloaded after the step S5 is executed, continuing to execute the step S5 until the line is not overloaded;
step S7: when a new vehicle is connected into the charging pile, adding a power utilization request in the power utilization demand queue, and executing opening and closing of the charging pile according to the current remaining available load condition;
the basis for controlling the opening and closing of the idle charging pile loop switch in the step S3 is as follows: if the total amount of the remaining available load is less than that of at least one new vehicle, all idle charging pile loops are switched off; if the remaining available load is enough to charge at least one new vehicle and no vehicle waits for charging on all the existing idle charging pile loops, closing all the idle charging pile loops; if the total amount of the remaining available load is enough to charge at least one new vehicle, and vehicles wait for charging on the current idle charging pile loop, closing the charging pile loop of the first vehicle according to the principle of first arrival and first arrival, and setting the loop in a power utilization state;
after the total amount of available loads changes with the time interval in the step S5, when the total amount of loads becomes larger, executing a step S3, when the total amount of available loads becomes smaller, and if the total used load of the whole line exceeds the total amount of available loads, executing power-off opening on the charging pile of the last charged vehicle, and reducing the total amount of used loads;
the method is applied to a system of safe and intelligent ordered dispersed load strategies of a charging pile superior power supply, the system comprises a plurality of charging piles, the charging piles are electrically connected with intelligent miniature circuit breakers in a signal connection mode, the intelligent miniature circuit breakers are in signal connection with a controller, the controller is in signal connection with an available load total amount presetting module, a comparison module and a wireless communication module, and the wireless communication module is in signal connection with a background cloud.
2. The method of claim 1, wherein the method comprises the following steps: the method of setting the total amount of the available load in each time interval of the whole line in step S1 is to configure the total amount of the available load in each time interval by dividing one hour into one time interval by 24 hours per day.
3. The method of claim 1, wherein the method comprises the following steps: the maximum load of each charging pile in the step S2 is the maximum charging load of the vehicle on the market.
4. The method of claim 1, wherein the method comprises the following steps: when a new vehicle is connected to the charging pile in the step S7, the remaining available load of the line is enough for charging the vehicle, the loop is closed when the step S3 is executed, and if the remaining available load of the line is not enough for charging the vehicle, the vehicle waits for the presence of the load to execute the charging.
5. The method of claim 1, wherein the method comprises the following steps: the wireless communication module is any one of a GPRS module, a Zigbee module, a 4G communication module and a 5G communication module.
6. The method of claim 1, wherein the method comprises the following steps: the intelligent miniature circuit breaker comprises a data acquisition unit, an actuating mechanism and a microprocessor.
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| CN202111027758.0A CN113580995B (en) | 2021-09-02 | 2021-09-02 | Method for safe and intelligent ordered load dispersing strategy of charging pile superior power supply |
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| CN202111027758.0A CN113580995B (en) | 2021-09-02 | 2021-09-02 | Method for safe and intelligent ordered load dispersing strategy of charging pile superior power supply |
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| CN113580995B true CN113580995B (en) | 2022-06-03 |
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| KR20070052085A (en) * | 2005-11-16 | 2007-05-21 | 삼성전자주식회사 | Method of alarming the number of usable cycles of non-volatile memory and electronic apparatus using the same |
| CN107749629B (en) * | 2017-10-27 | 2021-06-18 | 深圳供电局有限公司 | Charging pile access control method based on charging station load real-time scheduling |
| CN108270231A (en) * | 2018-02-05 | 2018-07-10 | 重庆卓谦科技有限公司 | Intelligent charging spot load random access control system and method |
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