CN115534739A - Electric automobile charging pile compatible with multiple interfaces and charging control method - Google Patents

Electric automobile charging pile compatible with multiple interfaces and charging control method Download PDF

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Publication number
CN115534739A
CN115534739A CN202211191811.5A CN202211191811A CN115534739A CN 115534739 A CN115534739 A CN 115534739A CN 202211191811 A CN202211191811 A CN 202211191811A CN 115534739 A CN115534739 A CN 115534739A
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China
Prior art keywords
charging
charging gun
power
output power
gun
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CN202211191811.5A
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Chinese (zh)
Inventor
黄书锐
卢允初
刘昊
蔺政
詹进通
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Shenzhen Feiyouque New Energy Technology Co ltd
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Shenzhen Feiyouque New Energy Technology Co ltd
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Priority to CN202211191811.5A priority Critical patent/CN115534739A/en
Publication of CN115534739A publication Critical patent/CN115534739A/en
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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
    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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

Abstract

The invention discloses an electric vehicle charging pile compatible with multiple interfaces and a charging control method, and relates to the technical field of new energy vehicle charging, wherein the rated output power of the charging pile is obtained, the state of an alternating current charging gun on the charging pile and the required charging power of a vehicle corresponding to the alternating current charging gun are obtained, and the state of a direct current charging gun on the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun are obtained; when the state of the alternating current charging gun and the state of the direct current charging gun meet certain conditions, regulating the output power of the direct current charging gun and/or the alternating current charging gun according to the required charging power of a vehicle corresponding to the direct current charging gun and/or the alternating current charging gun and by combining the rated output power of the charging pile; charging power utilization rate of the charging pile is improved.

Description

Electric automobile charging pile compatible with multiple interfaces and charging control method
Technical Field
The invention relates to the technical field of new energy automobile charging, in particular to an electric automobile charging pile compatible with multiple interfaces and a charging control method.
Background
With the rapid development of the new energy automobile industry in China, the new energy electric automobile holding capacity is rapidly increased, a large number of charging piles matched with the new energy electric automobile are built, and the charging power of the existing multi-interface charging pile is distributed to the charging piles mainly by detecting the states of the charging guns and averagely distributing the charging power of each charging gun according to the states of the charging guns; when the required charging power of the vehicles corresponding to some charging guns is small, the method can also evenly distribute the charging power for the charging guns, so that the charging power is wasted, and the charging power utilization rate of the charging pile is low.
Disclosure of Invention
Therefore, it is necessary to provide a charging pile compatible with multiple interfaces and a charging control method for an electric vehicle to solve the problem that the charging power utilization rate of the charging pile is low due to the fact that the charging power of each charging gun is evenly distributed according to the state of the charging gun in the prior art.
In a first aspect, an embodiment of the present invention provides a charging control method for a multi-interface compatible electric vehicle charging pile, where the method includes:
acquiring rated output power of a charging pile, the state of an alternating current charging gun on the charging pile and the required charging power of a vehicle corresponding to the alternating current charging gun, and the state of a direct current charging gun on the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun;
when the state of the alternating current charging gun and the state of the direct current charging gun meet set conditions, according to the required charging power of a vehicle corresponding to the direct current charging gun and/or the alternating current charging gun, the output power of the direct current charging gun and/or the alternating current charging gun is adjusted by combining the rated output power of the charging pile.
Optionally, the setting condition includes a first preset condition, and when the state of the ac charging gun and the state of the dc charging gun satisfy the first preset condition, the output power of the dc charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the dc charging gun.
Optionally, when the state of the ac charging gun and the state of the dc charging gun satisfy a first preset condition, adjusting the output power of the dc charging gun according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the dc charging gun, including:
if the state of the direct current charging gun is ready, the state of the alternating current charging gun is idle, and the required charging power of a vehicle corresponding to the direct current charging gun is greater than or equal to the rated output power of the charging pile, adjusting the output power of the direct current charging gun to be equal to the rated output power of the charging pile;
and if the state of the direct current charging gun is ready, the state of the alternating current charging gun is idle, and the required charging power of the vehicle corresponding to the direct current charging gun is smaller than the rated output power of the charging pile, adjusting the output power of the direct current charging gun to be equal to the required charging power of the vehicle corresponding to the direct current charging gun.
Optionally, the set condition includes a second preset condition, and when the state of the ac charging gun and the state of the dc charging gun satisfy the second preset condition, the output power of the ac charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the ac charging gun.
Optionally, when the state of the ac charging gun and the state of the dc charging gun satisfy a second preset condition, the output power of the ac charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the ac charging gun, including:
if the state of the direct current charging gun is idle, the state of the alternating current charging gun is ready, and the required charging power of a vehicle corresponding to the alternating current charging gun is greater than or equal to the rated output power of the charging pile, adjusting the output power of the alternating current charging gun to be equal to the rated output power of the charging pile;
and if the state of the direct current charging gun is idle, the state of the alternating current charging gun is ready, and the required charging power of the vehicle corresponding to the alternating current charging gun is smaller than the rated output power of the charging pile, adjusting the output power of the alternating current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating current charging gun.
Optionally, the setting condition includes a third preset condition, and when the state of the ac charging gun and the state of the dc charging gun satisfy the third preset condition, the output power of the ac charging gun and the output power of the dc charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun.
Optionally, when the state of the ac charging gun and the state of the dc charging gun satisfy a third preset condition, the output power of the ac charging gun and the output power of the dc charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun, including:
if the state of the direct-current charging gun and the state of the alternating-current charging gun are both ready, and the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both greater than half of the rated output power of the charging pile, adjusting the output power of the direct-current charging gun and the output power of the alternating-current charging gun to be equal to half of the rated output power of the charging pile;
if the state of the direct current charging gun and the state of the alternating current charging gun are both ready, the required charging power of the vehicle corresponding to the direct current charging gun is larger than half of the rated output power of the charging pile, the required charging power of the vehicle corresponding to the alternating current charging gun is smaller than half of the rated output power of the charging pile, the output power of the alternating current charging gun is adjusted to be equal to the required charging power of the vehicle corresponding to the alternating current charging gun, and the output power of the direct current charging gun is adjusted to be equal to the difference value of the rated output power of the charging pile and the output power of the alternating current charging gun.
Optionally, when the state of the ac charging gun and the state of the dc charging gun satisfy a third preset condition, the output power of the ac charging gun and the output power of the dc charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun, further including:
if the state of the direct-current charging gun and the state of the alternating-current charging gun are both ready, and the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both smaller than half of the rated output power of the charging pile, adjusting the output power of the direct-current charging gun to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, and adjusting the output power of the alternating-current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating-current charging gun;
if the state of the direct-current charging gun and the state of the alternating-current charging gun are both ready, the required charging power of the vehicle corresponding to the direct-current charging gun is smaller than half of the rated output power of the charging pile, the required charging power of the vehicle corresponding to the alternating-current charging gun is larger than half of the rated output power of the charging pile, the output power of the direct-current charging gun is adjusted to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, and the output power of the alternating-current charging gun is adjusted to be equal to the difference value of the rated output power of the charging pile and the output power of the direct-current charging gun.
The scheme has the following beneficial effects:
according to the charging control method of the electric automobile charging pile compatible with the multiple interfaces, the rated output power of the charging pile, the state of the alternating current charging gun, the required power of a vehicle corresponding to the alternating current charging gun, the state of the direct current charging gun and the required power of the vehicle corresponding to the direct current charging gun are obtained; according to the rated output power of the charging pile, the required charging power of the electric automobile corresponding to the alternating current charging gun and the direct current charging gun, the output power of the alternating current power conversion module and the output power of the direct current power conversion module are adjusted in real time, and the charging power utilization rate of the charging pile is improved.
In a second aspect, an embodiment of the present invention provides an electric vehicle charging pile compatible with multiple interfaces, where the charging pile includes:
the system comprises a main control board, an alternating current charging gun, a direct current control board and a direct current charging gun, wherein the input end of an alternating current power conversion module on the main control board is connected with a power supply, the output end of the alternating current power conversion module is connected with the input end of a first relay, the output end of the first relay is connected with the alternating current charging gun, and the alternating current charging gun is in communication connection with the main control board so as to detect the required charging power of a vehicle corresponding to the alternating current charging gun;
the direct current control board comprises a direct current power conversion module and a second relay, the input end of the direct current power conversion module is connected with a power supply, and the communication end of the direct current power conversion module is in communication connection with the main control board and is used for receiving a direct current power regulation signal sent by the main control board; the output end of the direct current power conversion module is connected with the direct current charging gun through the second relay; the direct current charging gun is in communication connection with the main control board so as to detect the required charging power of the vehicle corresponding to the direct current charging gun;
the main control board further comprises a processor, and the processor is in communication connection with the alternating current power conversion module and the direct current power conversion module respectively so as to adjust the output power of the alternating current power conversion module and the direct current power conversion module; the processor is respectively in control connection with the first relay and the second relay so as to control the on-off of the first relay and the second relay; and the processor executes the charging pile program to realize the charging control method of the electric automobile charging pile compatible with the multiple interfaces.
Optionally, the main control board further includes:
the input end of the leakage protector is connected with a power supply, and the output end of the leakage protector is connected with the input end of the alternating current power conversion module so as to detect whether the alternating current charging gun leaks electricity; the leakage protector is in communication connection with the processor to receive a leakage control signal sent by the processor;
the input end of the alternating current energy metering module is connected with the output end of the alternating current power conversion module, and the output end of the alternating current energy metering module is connected with the input end of the first relay so as to meter the electric energy consumed by the alternating current charging gun; the alternating current electric energy metering module is in communication connection with the processor so as to send the electric energy metering value of the alternating current charging gun to the processor.
The scheme has the following beneficial effects:
according to the electric vehicle charging pile compatible with multiple interfaces, the alternating current charging gun and the direct current charging gun are arranged on one charging pile simultaneously, so that the requirements of an electric vehicle on the alternating current charging interface and the direct current charging interface can be met, and the universality of the charging pile is improved; meanwhile, the alternating current power conversion module and the direct current power conversion module adjust the output power in real time according to the processed sending adjustment instruction, so that the power distribution of the charging pile is in a better state, and the charging power utilization rate of the charging pile is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a flowchart of a charging control method for a multi-interface compatible electric vehicle charging pile according to a first embodiment of the present invention;
fig. 2 is a structural diagram of an electric vehicle charging pile compatible with multiple interfaces according to a second embodiment of the present invention;
fig. 3 is a structural diagram of an electric vehicle charging pile compatible with multiple interfaces according to a third embodiment of the present invention;
fig. 4 is a structural diagram of an electric vehicle charging pile compatible with multiple interfaces according to a fourth embodiment 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 some, not all, embodiments of the present invention.
In a first embodiment, a flowchart of a charging control method for a multi-interface compatible electric vehicle charging pile shown in fig. 1 is provided, where the charging control method for the multi-interface compatible electric vehicle charging pile may include the following steps:
step S101, obtaining rated output power of a charging pile, the state of an alternating current charging gun on the charging pile and the required charging power of a vehicle corresponding to the alternating current charging gun, and the state of a direct current charging gun on the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun.
In this embodiment, when charging pile design, can write into the fixed address of memory with the parameter information of filling electric pile, parameter information includes the rated output who fills electric pile, and the processor reads the rated output who fills electric pile according to the parameter information memory address that fills electric pile.
When the alternating current charging gun is connected to a vehicle to be charged for charging, current flows through the alternating current charging gun, and the state of the alternating current charging gun is judged by detecting whether the current value of the alternating current charging gun branch is zero or not; if the current value is zero, the state of the alternating current charging gun is idle, and if the current value is not zero, the state of the alternating current charging gun is ready.
The alternating current charging gun is provided with a communication port, a processor on the charging pile communicates with a charging vehicle through the communication port, and the real-time charging power required by the vehicle is read.
When the direct-current charging gun is connected to a vehicle to be charged for charging, current flows through a direct-current charging gun circuit, and the state of the direct-current charging gun is judged by detecting whether the current value of the direct-current charging gun circuit is zero or not; if the current value is zero, the state of the direct current charging gun is idle, and if the current value is not zero, the state of the direct current charging gun is ready.
The direct current rifle that charges is provided with the communication port, fills the treater on the electric pile and carries out the communication through this communication port and the vehicle that charges, reads the real-time demand charging power of vehicle.
And S102, when the state of the alternating current charging gun and the state of the direct current charging gun meet set conditions, regulating the output power of the direct current charging gun and/or the alternating current charging gun according to the required charging power of a vehicle corresponding to the direct current charging gun and/or the alternating current charging gun and by combining the rated output power of the charging pile.
In this embodiment, according to the state of the ac charging gun and the state of the dc charging gun, the output power adjustment of the ac charging gun and the dc charging gun is divided into three cases:
1. the setting conditions comprise first preset conditions, and when the state of the alternating current charging gun and the state of the direct current charging gun meet the first preset conditions, the output power of the direct current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun.
The first preset condition is as follows: the state of the direct current charging gun is ready, and the state of the alternating current charging gun is idle; in this case, the direct current charging gun is connected with a vehicle being charged, and the alternating current charging gun is not connected with the charging vehicle; under the condition, the processor sends out a control command to control the relay of the alternating current charging gun to be disconnected and cut off the power supply of the alternating current charging gun; the processor obtains the required charging power of the vehicle corresponding to the direct current charging gun through the communication interface, and if the required charging power is larger than or equal to the rated output power of the charging pile, the direct current power conversion module on the branch of the direct current charging gun is adjusted to enable the output power of the direct current power conversion module to be equal to the rated output power of the charging pile, namely the output power of the direct current charging gun is equal to the rated output power of the charging pile.
If the required charging power of the vehicle corresponding to the direct-current charging gun is smaller than the rated output power of the charging pile, adjusting a direct-current power conversion module on a branch of the direct-current charging gun to enable the output power of the direct-current power conversion module to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, namely the output power of the direct-current charging gun is equal to the required charging power of the vehicle.
For example, the rated output power of the charging pile is 5KW, the direct current charging gun is connected with a charging vehicle, the alternating current charging gun is not connected with the charging vehicle, and the processor of the charging pile controls the relay of the alternating current charging gun to be switched off and controls the relay of the direct current charging gun to be switched on; the processor acquires that the required charging power of a vehicle corresponding to the direct current charging gun is 6KW, and at the moment, the processor adjusts the output power of the direct current power conversion module to be 5KW; and if the processor acquires that the required charging power of the vehicle corresponding to the direct current charging gun is 4KW, adjusting the output power of the direct current power conversion module to be 4KW by the processor.
2. The set conditions further comprise second preset conditions, and when the state of the alternating current charging gun and the state of the direct current charging gun meet the second preset conditions, the output power of the alternating current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of a vehicle corresponding to the alternating current charging gun.
The second preset condition is as follows: the state of the direct current charging gun is idle, and the state of the alternating current charging gun is ready; in this case, the ac charging gun is connected to a vehicle being charged, and the dc charging gun is not connected to a vehicle being charged; under the condition, the processor sends out a control instruction to control the relay of the direct current charging gun to be disconnected and cut off the power supply of the direct current charging gun; the processor acquires the required charging power of the vehicle corresponding to the alternating-current charging gun through the communication interface, and if the required charging power is larger than or equal to the rated output power of the charging pile, the alternating-current power conversion module on the branch of the alternating-current charging gun is adjusted to enable the output power of the alternating-current power conversion module to be equal to the rated output power of the charging pile, namely the output power of the alternating-current charging gun is equal to the rated output power of the charging pile.
If the required charging power of the vehicle corresponding to the alternating-current charging gun is smaller than the rated output power of the charging pile, the alternating-current power conversion module on the branch of the alternating-current charging gun is adjusted, so that the output power of the alternating-current power conversion module is equal to the required charging power of the vehicle corresponding to the alternating-current charging gun, namely the output power of the alternating-current charging gun is equal to the required charging power of the vehicle.
For example, the rated output power of the charging pile is 5KW, the alternating current charging gun is connected with a charging vehicle, the direct current charging gun is not connected with the charging vehicle, and the processor of the charging pile controls the relay of the direct current charging gun to be switched off and controls the relay of the alternating current charging gun to be switched on; the processor acquires that the required charging power of a vehicle corresponding to the alternating current charging gun is 6KW, and at the moment, the processor adjusts the output power of the alternating current power conversion module to be 5KW; and if the processor acquires that the required charging power of the vehicle corresponding to the alternating current charging gun is 4KW, adjusting the output power of the alternating current power conversion module to be 4KW by the processor.
3. The set conditions further comprise a third preset condition, and when the state of the alternating current charging gun and the state of the direct current charging gun meet the third preset condition, the output power of the alternating current charging gun and the output power of the direct current charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the alternating current charging gun and the charging demand power of the vehicle corresponding to the direct current charging gun.
The third preset condition is as follows: the state of the direct current charging gun and the state of the alternating current charging gun are both ready, in this case, the alternating current charging gun is connected with a vehicle which is being charged, and the direct current charging gun also has the vehicle which is being charged; under the condition, the processor sends out a control instruction to control the relay of the direct current charging gun and the relay of the alternating current charging gun to be closed simultaneously; the processor respectively obtains the required charging power of the vehicle corresponding to the direct current charging gun and the required charging power of the vehicle corresponding to the alternating current charging gun through the corresponding communication interfaces.
If the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both larger than half of the rated output power of the charging pile, the output power of the branch power conversion module on the branch of the direct-current charging gun and the output power of the alternating-current power conversion module on the branch of the alternating-current charging gun are both adjusted to be equal to half of the rated output power of the charging pile, namely the output power of the direct-current charging gun and the output power of the alternating-current charging gun are both half of the rated output power of the charging pile.
If the required charging power of the vehicle corresponding to the direct-current charging gun is larger than half of the rated output power of the charging pile, and the required charging power of the vehicle corresponding to the alternating-current charging gun is smaller than half of the rated output power of the charging pile, adjusting the output power of an alternating-current power conversion module on a branch of the alternating-current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating-current charging gun, namely the output power of the alternating-current charging gun is equal to the required charging power of the vehicle corresponding to the alternating-current charging gun; and adjusting the output power of the direct current power conversion module on the direct current charging gun branch to be equal to the difference value between the rated output power of the charging pile and the output power of the alternating current charging gun.
If the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both smaller than half of the rated output power of the charging pile, adjusting the output power of a direct-current power conversion module on a branch of the direct-current charging gun to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, namely the output power of the direct-current charging gun is equal to the required charging power of the vehicle corresponding to the direct-current charging gun; and adjusting the output power of the alternating current power conversion module on the branch of the alternating current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating current charging gun, namely, the output power of the alternating current charging gun is equal to the required charging power of the vehicle corresponding to the alternating current charging gun.
If the required charging power of the vehicle corresponding to the direct-current charging gun is smaller than half of the rated output power of the charging pile, and the required charging power of the vehicle corresponding to the alternating-current charging gun is larger than half of the rated output power of the charging pile, adjusting the output power of a direct-current power conversion module on a branch circuit of the direct-current charging gun to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, namely the output power of the direct-current charging gun is equal to the required charging power of the vehicle corresponding to the direct-current charging gun; and adjusting the output power of the alternating current power conversion module on the alternating current charging gun branch to be equal to the difference value of the rated output power of the charging pile and the output power of the direct current charging gun.
For example, the rated output power of the charging pile is 10KW, the alternating current charging gun is connected with a charging vehicle, the direct current charging gun is connected with the charging vehicle, and the processor of the charging pile controls the relay of the direct current charging gun and the relay of the alternating current charging gun to be closed; the processor acquires that the required charging power of a vehicle corresponding to the alternating current charging gun is 6KW, acquires that the required charging power of the vehicle corresponding to the direct current charging gun is 7KW, and at the moment, the processor adjusts the output power of the alternating current power conversion module and the output power of the direct current power conversion module to be 5KW; if the processor acquires that the required charging power of the vehicle corresponding to the alternating current charging gun is 4KW and the required charging power of the vehicle corresponding to the direct current charging gun is 7KW, at the moment, the processor adjusts the output power of the alternating current power conversion module to be 4KW and adjusts the output power of the direct current power conversion module to be 6KW; if the processor acquires that the required charging power of the vehicle corresponding to the direct current charging gun is 4KW and the required charging power of the vehicle corresponding to the alternating current charging gun is 7KW, at the moment, the processor adjusts the output power of the direct current power conversion module to be 4KW and adjusts the output power of the alternating current power conversion module to be 6KW; if the processor acquires that the required charging power of the vehicle corresponding to the alternating current charging gun is 4KW, the required charging power of the vehicle corresponding to the direct current charging gun is 3KW, at the moment, the processor adjusts the output power of the alternating current power conversion module to be 4KW, and adjusts the output power of the direct current power conversion module to be 3KW.
According to the charging control method of the electric automobile charging pile compatible with the multiple interfaces, the processor controls the on/off of the relays according to the state of the alternating current charging gun and the state of the direct current charging gun; and then according to the rated output power of the charging pile and the required charging power of the electric automobile corresponding to the alternating current charging gun and the direct current charging gun, the output power of the alternating current power conversion module on the alternating current charging gun branch circuit and the output power of the direct current power conversion module on the direct current charging gun circuit are adjusted in real time, so that the charging power of the charging pile is in a better distribution state, and the charging power utilization rate of the charging pile is improved.
In a second embodiment, there is provided a multi-interface compatible electric vehicle charging pile as shown in fig. 2, including:
the device comprises a main control board, an alternating current charging gun, a direct current control board and a direct current charging gun, wherein two input ends of an alternating current power conversion module on the main control board are connected with a live wire L-IN and a zero line N-IN of a power supply through an external breaker QF, the output end of the alternating current power conversion module is connected with the input end of a relay K1, and the output end of the relay K1 is connected with the power supply input end of the alternating current charging gun; the alternating current charging gun is in communication connection with the main control board through a communication port CP so as to detect the required charging power of the vehicle corresponding to the alternating current charging gun.
The direct current control panel comprises a direct current power conversion module and a relay K2, two input ends of the direct current power conversion module are respectively connected with a live wire L-IN and a zero wire N-IN of a power supply, and a communication end of the direct current power conversion module is IN communication connection with the main control panel through a communication port CAN2 and is used for receiving a direct current power adjusting signal sent by the main control panel so as to adjust the output power of the direct current power conversion module; the output end of the direct current power conversion module is connected with the input end of a relay K2, and the output end of the relay K2 is connected with the positive pole DC + and the negative pole DC-of the power supply input end of the direct current charging gun; the direct current rifle that charges is connected through communication port CAN1 communication with the main control board to detect the demand charging power of the vehicle that the direct current rifle corresponds.
The processor is in communication connection with the alternating current power conversion module and the direct current power conversion module respectively so as to adjust the output power of the alternating current power conversion module and the output power of the direct current power conversion module; the processor is respectively in control connection with the relay K1 and the relay K2 so as to control the on-off of the relay K1 and the relay K2; when the processor executes the charging pile program, the charging control method of the multi-interface charging pile of the electric vehicle as in the first embodiment is implemented.
Above-mentioned electric automobile of compatible many interfaces fills electric pile's working process:
(1) Processing on the main control board detects that the alternating current charging gun is in a ready state and the direct current charging gun is in an idle state, and then the relay K1 is controlled to be closed and the relay K2 is controlled to be disconnected; the main control board communicates with a vehicle corresponding to the alternating current charging gun through a communication port CP on the alternating current charging gun to obtain the required charging power of the vehicle, and the output power of the alternating current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the alternating current charging gun.
(2) Processing on the main control board detects that the alternating current charging gun is in an idle state, and the direct current charging gun is in a ready state, and then the relay K2 is controlled to be closed, and the relay K1 is controlled to be disconnected; the main control board communicates with a vehicle corresponding to the direct-current charging gun through the communication port CAN1 to obtain the required charging power of the vehicle, and the output power of the direct-current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the direct-current charging gun.
(3) Processing on the main control board detects that the alternating current charging gun is in a ready state, and the direct current charging gun is in a ready state, the relay K2 is controlled to be closed, and the relay K1 is controlled to be closed; the main control board communicates with a vehicle corresponding to the alternating current charging gun through a communication port CP on the alternating current charging gun to obtain the required charging power of the vehicle; the main control board communicates with a vehicle corresponding to the alternating current charging gun through a communication port CP on the alternating current charging gun to obtain the required charging power of the vehicle; the processor adjusts the output power of the alternating current charging gun and the output power of the direct current charging gun according to the rated output power of the charging pile, the required charging power of the vehicle corresponding to the alternating current charging gun and the required charging power of the vehicle corresponding to the direct current charging gun.
According to the electric vehicle charging pile compatible with multiple interfaces, the alternating current charging gun and the direct current charging gun are arranged on one charging pile simultaneously, so that the requirements of an electric vehicle on the alternating current charging interface and the direct current charging interface can be met, and the universality of the charging pile is improved; meanwhile, a processor on the main control board acquires the rated output power of the charging pile, the state of the alternating current charging gun, the required power of the vehicle corresponding to the alternating current charging gun, the state of the direct current charging gun and the required charging power of the vehicle corresponding to the direct current charging gun; according to the rated output power of the charging pile, the required charging power of the electric automobile corresponding to the alternating current charging gun and the direct current charging gun, the output power of the alternating current power conversion module and the output power of the direct current power conversion module are adjusted in real time, and the charging power utilization rate of the charging pile is improved.
An embodiment three provides an electric automobile that is compatible with many interfaces fills electric pile as shown in fig. 3, should fill electric pile and fill electric pile difference in the second embodiment in that, the main control panel still includes: the system comprises a leakage protector, an electric energy metering module J1, a fault detection module, an emergency stop switch, a display screen, a lamp panel, an Ethernet communication port and a 4G Bluetooth module; wherein:
the input of earth-leakage protector passes through external circuit breaker and connects the power, and the input of alternating current power conversion module is connected to earth-leakage protector's output, and earth-leakage protector is connected with the treater communication, and earth-leakage protector is used for and detects whether the alternating current branch road that charges takes place the electric leakage to send the testing result to the treater, handle according to testing result control relay K1 break-make.
The input end of the electric energy metering module is connected with the output end of the alternating current power conversion module, the output end of the electric energy metering module is connected with the input end of the relay K1, and the communication end of the electric energy metering module J1 is in communication connection with the processor so as to send the electric energy metering value consumed by the alternating current charging gun to the processor.
The input end of the fault detection module is connected with the circuit fault detection end of the charging pile, and the output end of the fault detection module is connected with the processor and used for detecting whether the charging pile breaks down or not and sending a detection signal to the processor.
The input end of the emergency stop switch is connected with the output end of the external circuit breaker, and the output end of the emergency stop switch is connected with the power supply input end of the charging pile and used for emergency stop of charging pile work when the charging pile breaks down.
The display screen is connected with the display circuit on the main control panel and used for displaying the operation information of the charging pile, and the operation information comprises charging power, charging voltage, charging current and charging time.
And the Ethernet communication module is in bidirectional communication connection with the processor on the main control board and is used for communicating with other network equipment through Ethernet.
And the 4G Bluetooth module is in bidirectional communication connection with the processor on the main control board and is used for being connected with other equipment through 4G or Bluetooth signals.
The lamp plate is connected with a lamp plate circuit on the main control board and used for indicating the running state of the charging pile through the indicating lamp.
The direct current control panel still includes: the input end of the electric energy metering module J2 is connected with the output end of the direct current power conversion module, and the output end of the electric energy metering module J2 is connected with the input end of the relay K2; the communication end of the electric energy metering module J2 is in communication connection with the main control board through a communication port CAN2 so as to send the electric energy metering value consumed by the direct current charging gun to the processor.
The input end of the auxiliary source is connected with the power supply, and the output end of the auxiliary source is connected with the auxiliary source port of the direct current charging gun so as to provide the auxiliary power supply for the vehicle corresponding to the direct current charging gun.
The main control board that this embodiment fills electric pile, the rifle that charges of interchange, direct current control panel and direct current rifle that charges and the working process of filling electric pile are the same with main control board, the rifle that charges of interchange, direct current control panel connection structure and direct current rifle that charges of filling electric pile and the working process of filling electric pile in the embodiment two, and are not being repeated at this time.
The electric automobile of compatible many interfaces of this embodiment fills electric pile has following characteristics:
(1) An alternating current charging gun and a direct current charging gun are arranged on one charging pile simultaneously, so that the requirements of an electric automobile on an alternating current charging interface and a direct current charging interface can be met, and the universality of the charging pile is improved;
(2) The leakage protector can detect whether the charging pile leaks electricity in real time, so that the safety of the charging pile is improved;
(3) The electric energy metering module can meter the electric energy consumed by each charging gun in real time, and is convenient for a user to check;
(4) The auxiliary source independently provides power for the vehicle, so that the charging gun is prevented from being failed and being incapable of communicating with the vehicle;
(5) The CPU adjusts the output power of the alternating current power conversion module and the output power of the direct current power conversion module in real time, and the charging power utilization rate of the charging pile is improved.
The fourth embodiment provides a charging pile compatible with multiple interfaces, as shown in fig. 4, for an electric vehicle, and the charging pile is different from the charging pile in the third embodiment in that a power supply connected with the charging pile is three-phase power, and an input end of a direct-current power conversion module is connected with the three-phase power supply, so that a scene only with three-phase power is adapted.
The working process and characteristics of the charging pile of the embodiment are the same as those of the charging piles of the three embodiments, and are not repeated here.
The above-mentioned embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.

Claims (10)

1. The charging control method of the electric automobile charging pile compatible with multiple interfaces is characterized by comprising the following steps:
acquiring rated output power of a charging pile, the state of an alternating current charging gun on the charging pile and the required charging power of a vehicle corresponding to the alternating current charging gun, and the state of a direct current charging gun on the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun;
when the state of the alternating current charging gun and the state of the direct current charging gun meet set conditions, the output power of the direct current charging gun and/or the alternating current charging gun is adjusted according to the required charging power of a vehicle corresponding to the direct current charging gun and/or the alternating current charging gun and by combining with the rated output power of the charging pile.
2. The charging control method of the multi-interface-compatible electric vehicle charging pile according to claim 1, wherein the setting condition comprises a first preset condition, and when the state of the alternating current charging gun and the state of the direct current charging gun meet the first preset condition, the output power of the direct current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the direct current charging gun.
3. The charging control method of the multi-interface compatible electric vehicle charging pile according to claim 2, wherein when the state of the ac charging gun and the state of the dc charging gun satisfy a first preset condition, the output power of the dc charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the dc charging gun, and the method comprises:
if the state of the direct current charging gun is ready, the state of the alternating current charging gun is idle, and the required charging power of a vehicle corresponding to the direct current charging gun is greater than or equal to the rated output power of the charging pile, adjusting the output power of the direct current charging gun to be equal to the rated output power of the charging pile;
and if the state of the direct current charging gun is ready, the state of the alternating current charging gun is idle, and the required charging power of the vehicle corresponding to the direct current charging gun is smaller than the rated output power of the charging pile, adjusting the output power of the direct current charging gun to be equal to the required charging power of the vehicle corresponding to the direct current charging gun.
4. The charging control method of the multi-interface compatible electric vehicle charging pile according to claim 1, wherein the setting condition comprises a second preset condition, and when the state of the alternating current charging gun and the state of the direct current charging gun meet the second preset condition, the output power of the alternating current charging gun is adjusted according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the alternating current charging gun.
5. The charging control method of the multi-interface compatible electric vehicle charging pile according to claim 4, wherein when the state of the ac charging gun and the state of the dc charging gun satisfy a second preset condition, the adjusting the output power of the ac charging gun according to the rated output power of the charging pile and the required charging power of the vehicle corresponding to the ac charging gun comprises:
if the state of the direct current charging gun is idle, the state of the alternating current charging gun is ready, and the required charging power of a vehicle corresponding to the alternating current charging gun is greater than or equal to the rated output power of the charging pile, adjusting the output power of the alternating current charging gun to be equal to the rated output power of the charging pile;
and if the state of the direct current charging gun is idle, the state of the alternating current charging gun is ready, and the required charging power of the vehicle corresponding to the alternating current charging gun is smaller than the rated output power of the charging pile, adjusting the output power of the alternating current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating current charging gun.
6. The charging control method of the multi-interface compatible electric vehicle charging pile according to claim 1, wherein the setting condition includes a third preset condition, and when the state of the ac charging gun and the state of the dc charging gun satisfy the third preset condition, the output power of the ac charging gun and the output power of the dc charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun.
7. The charging control method of the multi-interface compatible electric vehicle charging pile according to claim 6, wherein when the state of the ac charging gun and the state of the dc charging gun satisfy a third preset condition, the adjusting of the output power of the ac charging gun and the output power of the dc charging gun according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun comprises:
if the state of the direct-current charging gun and the state of the alternating-current charging gun are both ready, and the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both greater than half of the rated output power of the charging pile, adjusting the output power of the direct-current charging gun and the output power of the alternating-current charging gun to be equal to half of the rated output power of the charging pile;
if the state of the direct current charging gun and the state of the alternating current charging gun are both ready, the required charging power of the vehicle corresponding to the direct current charging gun is larger than half of the rated output power of the charging pile, the required charging power of the vehicle corresponding to the alternating current charging gun is smaller than half of the rated output power of the charging pile, the output power of the alternating current charging gun is adjusted to be equal to the required charging power of the vehicle corresponding to the alternating current charging gun, and the output power of the direct current charging gun is adjusted to be equal to the difference value of the rated output power of the charging pile and the output power of the alternating current charging gun.
8. The charging control method of an electric vehicle charging pile compatible with multiple interfaces according to claim 6, wherein when the state of the ac charging gun and the state of the dc charging gun satisfy a third preset condition, the output power of the ac charging gun and the output power of the dc charging gun are adjusted according to the rated output power of the charging pile, the charging demand power of the vehicle corresponding to the ac charging gun, and the charging demand power of the vehicle corresponding to the dc charging gun, further comprising:
if the state of the direct-current charging gun and the state of the alternating-current charging gun are both ready, and the required charging power of the vehicle corresponding to the direct-current charging gun and the required charging power corresponding to the alternating-current charging gun are both smaller than half of the rated output power of the charging pile, adjusting the output power of the direct-current charging gun to be equal to the required charging power of the vehicle corresponding to the direct-current charging gun, and adjusting the output power of the alternating-current charging gun to be equal to the required charging power of the vehicle corresponding to the alternating-current charging gun;
if the state of the direct current charging gun and the state of the alternating current charging gun are both ready, the required charging power of the vehicle corresponding to the direct current charging gun is smaller than half of the rated output power of the charging pile, the required charging power of the vehicle corresponding to the alternating current charging gun is larger than half of the rated output power of the charging pile, the output power of the direct current charging gun is adjusted to be equal to the required charging power of the vehicle corresponding to the direct current charging gun, and the output power of the alternating current charging gun is adjusted to be equal to the difference value of the rated output power of the charging pile and the output power of the direct current charging gun.
9. The utility model provides a compatible electric automobile who connects many interfaces fills electric pile which characterized in that includes:
the system comprises a main control board, an alternating current charging gun, a direct current control board and a direct current charging gun, wherein the input end of an alternating current power conversion module on the main control board is connected with a power supply, the output end of the alternating current power conversion module is connected with the input end of a first relay, the output end of the first relay is connected with the alternating current charging gun, and the alternating current charging gun is in communication connection with the main control board so as to detect the required charging power of a vehicle corresponding to the alternating current charging gun;
the direct current control board comprises a direct current power conversion module and a second relay, the input end of the direct current power conversion module is connected with a power supply, and the communication end of the direct current power conversion module is in communication connection with the main control board and is used for receiving a direct current power regulation signal sent by the main control board; the output end of the direct current power conversion module is connected with the direct current charging gun through the second relay; the direct current charging gun is in communication connection with the main control board so as to detect the required charging power of the vehicle corresponding to the direct current charging gun;
the main control board further comprises a processor, and the processor is in communication connection with the alternating current power conversion module and the direct current power conversion module respectively so as to adjust the output power of the alternating current power conversion module and the direct current power conversion module; the processor is respectively in control connection with the first relay and the second relay so as to control the on-off of the first relay and the second relay; the processor implements the multi-interface compatible electric vehicle charging pile charging control method according to any one of claims 1 to 8 when executing the charging pile program.
10. The multi-interface compatible electric vehicle charging pile according to claim 9, wherein the main control board further comprises:
the input end of the leakage protector is connected with a power supply, and the output end of the leakage protector is connected with the input end of the alternating current power conversion module so as to detect whether the alternating current charging gun leaks electricity; the leakage protector is in communication connection with the processor to receive a leakage control signal sent by the processor;
the input end of the alternating current energy metering module is connected with the output end of the alternating current power conversion module, and the output end of the alternating current energy metering module is connected with the input end of the first relay so as to meter the electric energy consumed by the alternating current charging gun; the alternating current electric energy metering module is in communication connection with the processor so as to send the electric energy metering value of the alternating current charging gun to the processor.
CN202211191811.5A 2022-09-28 2022-09-28 Electric automobile charging pile compatible with multiple interfaces and charging control method Pending CN115534739A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116620091A (en) * 2023-07-25 2023-08-22 深圳市森树强电子科技有限公司 Charging pile electric energy distribution method based on artificial intelligence
CN116729188A (en) * 2023-08-14 2023-09-12 南京能可瑞科技有限公司 Method and system for distributing multi-section power of direct current charging pile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116620091A (en) * 2023-07-25 2023-08-22 深圳市森树强电子科技有限公司 Charging pile electric energy distribution method based on artificial intelligence
CN116620091B (en) * 2023-07-25 2023-10-13 深圳市森树强电子科技有限公司 Charging pile electric energy distribution method based on artificial intelligence
CN116729188A (en) * 2023-08-14 2023-09-12 南京能可瑞科技有限公司 Method and system for distributing multi-section power of direct current charging pile
CN116729188B (en) * 2023-08-14 2023-11-14 南京能可瑞科技有限公司 Method and system for distributing multi-section power of direct current charging pile

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