WO2018049967A1 - Vehicle-mounted charging control management module, system and method - Google Patents

Vehicle-mounted charging control management module, system and method Download PDF

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Publication number
WO2018049967A1
WO2018049967A1 PCT/CN2017/098400 CN2017098400W WO2018049967A1 WO 2018049967 A1 WO2018049967 A1 WO 2018049967A1 CN 2017098400 W CN2017098400 W CN 2017098400W WO 2018049967 A1 WO2018049967 A1 WO 2018049967A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
vehicle charging
charging
circuit
control unit
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PCT/CN2017/098400
Other languages
French (fr)
Chinese (zh)
Inventor
吕宝良
***
胡运平
张泱渊
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深圳市科列技术股份有限公司
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Publication of WO2018049967A1 publication Critical patent/WO2018049967A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/64Optimising energy costs, e.g. responding to electricity rates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50Charging stations characterised by energy-storage or power-generation means
    • B60L53/53Batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Definitions

  • the invention relates to charging control of an electric vehicle, in particular to an in-vehicle charging control management module, system and method.
  • the power battery pack is an important part of the electric vehicle. Another important component in the power battery pack except the battery core is the battery management system.
  • the battery management system is responsible for battery pack status monitoring, AC/DC charge management, discharge management, protection, etc. .
  • the battery management system is required to recognize the type of charging and realize the interactive communication with the charging device when the charging gun and the vehicle charging socket are connected, thereby realizing reliable charging of the power battery pack.
  • the charging management function in the battery management system is mainly realized by the main control module. Since the main control module integrates the status monitoring, discharge management, insulation detection, CAN communication, protection and other functions of the battery pack, high-performance processors are required, and the high-performance processor consumes power even in low-power mode. Above 0.5W, resulting in large system power consumption can not meet the long-term standby needs of battery-powered electric vehicles.
  • the 2015 new national standard requires the battery management system to have an electronic lock detection function and a temperature detection function.
  • the main control module of the battery management system does not have the control and detection functions of the electronic lock and the temperature monitoring function of the charging socket interface.
  • the main control module since the main control module is installed in the battery pack or the high voltage box, and is far away from the vehicle charging socket, the charging interface detecting harness is long from the charging socket to the main control module, which brings a lot of inconvenience to the wiring arrangement of the whole vehicle.
  • the main object of the present invention is to overcome the deficiencies of the prior art, and provide an in-vehicle charging control management module, system and method, which effectively reduce power consumption for performing in-vehicle charging control management.
  • the present invention adopts the following technical solutions:
  • An in-vehicle charging control management module includes a power supply device, an in-vehicle charging control unit, a BMU wake-up circuit, a communication interface circuit, and a charging interface circuit, wherein the power supply device is configured to supply power to the in-vehicle charging control unit, and the in-vehicle charging control unit Connected to the battery management system main control module BMU through the communication interface circuit, the in-vehicle charging control unit is connected to the BMU wake-up circuit and the charging interface circuit, and the BMU wake-up circuit is used to wake up the battery management system master control module a block BMU, the charging interface circuit is configured to detect a state of the charging gun, the power supply device includes a main power source, an auxiliary power source, and a timer circuit, wherein the auxiliary power source is connected to the continuous power source of the whole vehicle, and the auxiliary power source is continuously powered.
  • a power supply is connected to the timer circuit to continuously supply power thereto, the main power source is powered from a normal vehicle constant power source via a power control switch, and the onboard charging control unit connects and controls the timer circuit and the power control switch
  • the timer circuit is connected to and controls the power control switch, wherein the timer circuit controls the power control switch to periodically turn on and off in an initial state to periodically activate the in-vehicle charging control unit, the in-vehicle charging
  • the control unit periodically detects the state of the charging gun through the charging interface circuit, and when detecting that the charging gun is inserted into the in-vehicle charging socket, activates the battery management system main control module BMU through the BMU wake-up circuit, and controls the power supply
  • the control switch remains closed.
  • the on-board charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch in advance, and then the timer circuit re-controls that the power control switch is periodically turned on and off.
  • an electronic lock control circuit and an electronic lock state detecting circuit connected to the in-vehicle charging control unit, wherein the in-vehicle charging control unit controls the electronic lock according to an electronic lock control command of the battery management system main control module BMU
  • the circuit locks the charging electronic lock and detects whether the charging electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit.
  • a charging socket temperature detecting circuit connected to the in-vehicle charging control unit is further included, and the in-vehicle charging control unit monitors a temperature condition of the charging socket interface through the charging socket temperature detecting circuit.
  • the communication interface circuit is a CAN communication interface circuit.
  • An in-vehicle charging control management system includes the in-vehicle charging control management module and a battery management system main control module BMU, and the battery management system main control module BMU is connected to the in-vehicle charging control management module through a communication interface circuit.
  • the charging control management module is disposed at a position close to the in-vehicle charging socket.
  • An in-vehicle charging control management method for performing charging control management using the in-vehicle charging control management module wherein the timer circuit controls the power control switch to be periodically turned on and off in an initial state to periodically activate the in-vehicle charging a control unit, the in-vehicle charging control unit periodically detects a state of the charging gun through the charging interface circuit, and activates the battery management system main control module by the BMU wake-up circuit when detecting that the charging gun is inserted into the in-vehicle charging socket The BMU and controls the power control switch to remain closed.
  • the on-board charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch in advance, and then the timer circuit re-controls that the power control switch is periodically turned on and off.
  • the in-vehicle charging control unit implements CAN communication through a CAN communication interface circuit and the battery management system main control module BMU; the in-vehicle charging control unit passes the electronic lock control command of the battery management system main control module BMU through the The electronic lock control circuit locks the charging electronic lock, and detects whether the charging electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit; the in-vehicle charging control unit passes the charging socket temperature detecting circuit The temperature of the charging socket interface is monitored. The in-vehicle charging control unit reports the status information of the charging gun, the status information of the charging electronic lock, and the temperature information of the charging socket interface to the battery management system main control module BMU through CAN communication.
  • the vehicle charging control management module of the invention realizes low power consumption operation based on a control strategy through an in-vehicle charging control unit (such as a CPU), an auxiliary power source, a timer circuit, a main power source, and a power control switch; wherein, the timer circuit realizes the timed booting Activate the vehicle charging control unit; after detecting the charging gun status signal, the vehicle charging control unit activates the battery management system main control module BMU through the BMU wake-up circuit when the charging gun is in position; the auxiliary power supply takes power from the vehicle normal fire power supply.
  • the timer circuit is powered, so that the auxiliary power supply and the timer circuit can be continuously operated for a long time, but the power consumption thereof is relatively low.
  • the working time of the main power supply is compared with the working cycle time of the timer.
  • the proportion is small, that is, the charging control management module works only for the auxiliary power supply and the timer circuit most of the time, thereby achieving low power consumption.
  • the power control switch is kept closed by the on-board charging control unit to ensure that the power control switch can be kept closed when the timer circuit periodically issues the power supply control switch driving signal, preventing the main The power is off.
  • the vehicle charging control unit detects the state of the charging gun during power supply, determines that the charging gun sends a control signal to the timer circuit when the charging gun is not in position, causes the timer circuit to turn off the power control switch in advance, and waits for the next cycle to reclose the power supply. Control switch, this control method further reduces power consumption.
  • the charging control management module is placed close to the charging interface socket, which simplifies the design of the entire vehicle harness and greatly reduces the number of complete vehicle wiring harnesses.
  • the charging control management module can be installed outside the high voltage box, and the whole vehicle is close to the charging socket position, thereby being simplified Complete vehicle wiring harness design to reduce the number of wiring harnesses.
  • FIG. 1 is a structural block diagram of an embodiment of an in-vehicle charging control management module of the present invention.
  • an in-vehicle charging control management module includes a power supply device, an in-vehicle charging control unit (such as a CPU), a BMU wake-up circuit, a communication interface circuit, and a charging interface circuit, where the power supply device is used.
  • the in-vehicle charging control unit is connected to a battery management system main control module BMU (not shown) through the communication interface circuit, and the in-vehicle charging control unit is connected to the BMU wake-up circuit and the
  • the charging interface circuit is configured to wake up a battery management system main control module BMU, the charging interface circuit is configured to detect a state of a charging gun, and the power supply device comprises a main power source P1, an auxiliary power source P2, and a timer circuit.
  • the auxiliary power source P2 is connected to the continuous power supply of the whole vehicle from which the auxiliary power source P2 is connected to the timer circuit to continuously supply power thereto.
  • the main power source P1 passes through the power control switch S1 and is normally fired from the whole vehicle.
  • the power supply takes power, and the in-vehicle charging control unit connects and controls the timer circuit and the power control switch S1, and the timer circuit is connected and controlled.
  • the power control switch S1 wherein the timer circuit controls the power control switch S1 to be periodically turned on and off in an initial state to periodically activate the in-vehicle charging control unit, and the in-vehicle charging control unit passes the charging
  • the interface circuit periodically detects the state of the charging gun. When detecting that the charging gun is inserted into the in-vehicle charging socket, the battery management system main control module BMU is activated by the BMU wake-up circuit, and the power control switch S1 is controlled to remain closed.
  • the timer circuit when the in-vehicle charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch S1 in advance, and thereafter the timer circuit re-controls the The power control switch S1 is periodically turned on and off.
  • the in-vehicle charging control management module further includes an electronic lock control circuit and an electronic lock state detecting circuit connected to the in-vehicle charging control unit, and the in-vehicle charging control unit is controlled according to the battery management system.
  • the electronic lock control command of the module BMU performs lock control on the charging electronic lock through the electronic lock control circuit, and detects whether the charging electronic lock is correctly locked or in an unlocked state by the electronic lock state detecting circuit.
  • the in-vehicle charging control management module further includes a charging socket temperature detecting circuit connected to the in-vehicle charging control unit, wherein the in-vehicle charging control unit monitors the charging socket interface through the charging socket temperature detecting circuit Temperature condition.
  • the communication interface circuit is a CAN communication interface circuit.
  • an in-vehicle charging control management system includes a battery management system main control module BMU and the in-vehicle charging control management module of any of the foregoing embodiments, wherein the battery management system main control module BMU communicates The interface circuit is connected to the in-vehicle charging control management module.
  • the charge control management module is disposed adjacent to the onboard charging socket.
  • the charging control management module can be installed outside the high voltage box, and the vehicle is located close to the charging socket.
  • an in-vehicle charging control management method performs charging control management using the in-vehicle charging control management module, wherein the timer circuit controls the power control switch S1 in an initial state.
  • the in-vehicle charging control unit Periodically switching on to periodically activate the in-vehicle charging control unit, the in-vehicle charging control unit periodically detecting the state of the charging gun through the charging interface circuit, and when detecting that the charging gun is inserted into the in-vehicle charging socket, The BMU wake-up circuit activates the battery management system main control module BMU and controls the power control switch S1 to remain closed.
  • the timer circuit when the in-vehicle charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch S1 in advance, and thereafter the timer circuit re-controls the The power control switch S1 is periodically turned on and off.
  • the in-vehicle charging control unit implements CAN communication through a CAN communication interface circuit and the battery management system main control module BMU; the in-vehicle charging control unit is based on an electronic device of the battery management system main control module BMU Locking control command, locking control of the charging electronic lock by the electronic lock control circuit, and detecting, by the electronic lock state detecting circuit, whether the charging electronic lock is correctly locked or in an unlocked state; the in-vehicle charging control unit passes The charging socket temperature detecting circuit monitors a temperature condition of the charging socket interface; the vehicle charging The control unit reports the status information of the charging gun, the status information of the charging electronic lock, and the temperature information of the charging socket interface to the battery management system main control module BMU through CAN communication.
  • the auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, supplies power to the timer circuit, and the timer circuit periodically closes the power control switch S1, so that the main power supply P1 can be periodically activated to supply power to the CPU;
  • the CPU After the main power source P1 supplies power to the CPU, the CPU detects the charging gun status signal through the charging interface circuit;
  • the CPU After the CPU confirms that the charging gun is inserted into the vehicle charging socket, that is, when the charging gun is detected, the CPU activates the battery management system main control module BMU through the BMU wake-up circuit; meanwhile, the CPU controls the power control switch to remain closed, ensuring periodicity in the timer circuit.
  • the power control switch drive signal is issued, the power control switch can also be kept closed to prevent the main power supply from being powered down;
  • the CPU implements CAN communication through the CAN communication interface circuit and the battery management system main control module BMU;
  • the CPU locks the charging electronic lock through the electronic lock control circuit according to the received electronic lock control command of the battery management system main control module BMU;
  • the CPU also correctly recognizes whether the electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit
  • the CPU monitors the temperature rise of the charging interface through the charging socket temperature detecting circuit
  • the CPU reports the status information of the electronic lock, the status of the charging gun, and the temperature of the charging interface to the main control module BMU through CAN communication;
  • the CPU sends a control signal to the timer circuit according to whether the charging gun is in position, and realizes the disconnection control of the power control switch S1;
  • the CPU transmits a control signal to the power control switch S1 according to whether or not the charging gun is in position, thereby implementing the closing control of the power control switch S1.
  • the auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, and supplies power to the timer circuit.
  • the power consumption of the auxiliary power supply P2 and the timer circuit is relatively low (less than 0.1W), and can be continuously operated for a long time;
  • the timer circuit periodically closes the power control switch S1, so that the main power source P1 can be periodically activated to supply power to the CPU;
  • the CPU detects the charging gun status signal when the power is supplied, determines that the charging gun is not in position, sends a control signal to the timer circuit, and the timer circuit turns off the power control switch S1 in advance, waiting Reclosing the power control switch S1 in the next cycle;
  • the charging control management module only works for the auxiliary power source P2 and the timer circuit most of the time, thereby Achieve low power operation.
  • the charging management of the power battery pack is realized by the following control strategy:
  • the auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, supplies power to the timer circuit, and the timer circuit periodically closes the power control switch S1, so that the main power supply P1 can be periodically activated to supply power to the CPU;
  • the CPU detects the state signal of the charging gun, determines that the charging gun is in position, sends a control signal to the power control switch S1, and realizes the closing control of the power control switch S1 to ensure that when the timer circuit periodically turns off the driving signal of the power control switch S1, the power supply
  • the control switch S1 can also be kept in a closed state to prevent the main power source P1 from being powered down;
  • the CPU activates the battery management system main control module BMU through the BMU wake-up circuit
  • the BMU of the battery management system main control module After the BMU of the battery management system main control module is activated, the BMU realizes information exchange with the CPU of the vehicle charging control management module through CAN communication, and the BMU realizes information exchange with the charging device through CAN communication, thereby realizing charging management of the power battery pack.
  • Background of the invention may contain background information related to the problem or environment of the invention, rather than the prior art described by others. Therefore, the materials included in the background section are not the applicant's recognition of the prior art.

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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)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Disclosed is a vehicle-mounted charging control management module. The vehicle-mounted charging control management module comprises a power supply device, a vehicle-mounted charging control unit, a BMU wake-up circuit, a communication interface circuit and a charging interface circuit. The power supply device comprises a main power supply, an auxiliary power supply and a timer circuit. The auxiliary power supply is connected to a whole-vehicle normalizing power supply, and the auxiliary power supply is also connected to the timer circuit. The main power supply is connected to the whole-vehicle normalizing power supply by means of a power supply control switch, the vehicle-mounted charging control unit is connected to and controls the timer circuit and the power supply control switch. The timer circuit is connected to and controls the power supply control switch, wherein the timer circuit controls the periodical turning on and off of the power supply control switch in an initial state so as to periodically activate the vehicle-mounted charging control unit. When the vehicle-mounted charging control unit detects that a charging gun is plugged into a vehicle-mounted charging socket, a master control module BMU of a battery management system is activated by means of the BMU wake-up circuit, and the power supply control switch is controlled such that same stays turned off. The module can effectively reduce the power consumption for performing vehicle-mounted charging control management. Further comprised are a vehicle-mounted charging control management system and method.

Description

一种车载充电控制管理模块、***和方法Vehicle charging control management module, system and method 技术领域Technical field
本发明涉及电动汽车的充电控制,尤其是一种车载充电控制管理模块、***和方法。The invention relates to charging control of an electric vehicle, in particular to an in-vehicle charging control management module, system and method.
背景技术Background technique
动力电池组是电动汽车的重要部件,在动力电池组中除电芯外的另一重要部件就是电池管理***,电池管理***负责电池组的状态监控,交直流充电管理,放电管理,保护等工作。The power battery pack is an important part of the electric vehicle. Another important component in the power battery pack except the battery core is the battery management system. The battery management system is responsible for battery pack status monitoring, AC/DC charge management, discharge management, protection, etc. .
在充电管理功能中,要求电池管理***在充电枪和车载充电插座连接时,能够识别充电类型以及实现和充电设备的交互通信,从而实现对动力电池组的可靠充电。目前电池管理***中的充电管理功能主要由主控模块实现。由于主控模块内部集成了电池组的状态监控、放电管理,绝缘检测、CAN通讯、保护等诸多功能,需要采用高性能处理器,高性能处理器即使在低功耗模式下其功耗也在0.5W以上,从而导致较大的***功耗无法满足使用电池供电的电动车长期待机的需求。而且,2015新国标要求电池管理***具备电子锁检测功能,温度检测功能,而目前电池管理***主控模块大多不具备电子锁的控制与检测功能和对充电插座接口的温度监控功能。另外,由于主控模块安装在电池包或是高压箱中,距离车载充电插座较远,充电接口检测线束从充电插座到主控模块较长,给整车线束布置带来许多不便。In the charging management function, the battery management system is required to recognize the type of charging and realize the interactive communication with the charging device when the charging gun and the vehicle charging socket are connected, thereby realizing reliable charging of the power battery pack. At present, the charging management function in the battery management system is mainly realized by the main control module. Since the main control module integrates the status monitoring, discharge management, insulation detection, CAN communication, protection and other functions of the battery pack, high-performance processors are required, and the high-performance processor consumes power even in low-power mode. Above 0.5W, resulting in large system power consumption can not meet the long-term standby needs of battery-powered electric vehicles. Moreover, the 2015 new national standard requires the battery management system to have an electronic lock detection function and a temperature detection function. Currently, the main control module of the battery management system does not have the control and detection functions of the electronic lock and the temperature monitoring function of the charging socket interface. In addition, since the main control module is installed in the battery pack or the high voltage box, and is far away from the vehicle charging socket, the charging interface detecting harness is long from the charging socket to the main control module, which brings a lot of inconvenience to the wiring arrangement of the whole vehicle.
发明内容Summary of the invention
本发明的主要目的在于克服现有技术的不足,提供一种车载充电控制管理模块、***和方法,有效降低进行车载充电控制管理的功耗。The main object of the present invention is to overcome the deficiencies of the prior art, and provide an in-vehicle charging control management module, system and method, which effectively reduce power consumption for performing in-vehicle charging control management.
为实现上述目的,本发明采用以下技术方案:To achieve the above object, the present invention adopts the following technical solutions:
一种车载充电控制管理模块,包括供电装置、车载充电控制单元、BMU唤醒电路、通信接口电路和充电接口电路,所述供电装置用于向所述车载充电控制单元供电,所述车载充电控制单元通过所述通信接口电路连接到电池管理***主控模块BMU,所述车载充电控制单元连接所述BMU唤醒电路和所述充电接口电路,所述BMU唤醒电路用于唤醒电池管理***主控模 块BMU,所述充电接口电路用于检测充电枪的状态,所述供电装置包括主电源、辅助电源和定时器电路,所述辅助电源连接整车常火电源从其持续取电,所述辅助电源连接所述定时器电路以向其持续供电,所述主电源经过电源控制开关从整车常火电源取电,所述车载充电控制单元连接并控制所述定时器电路和所述电源控制开关,所述定时器电路连接并控制所述电源控制开关,其中初始状态下所述定时器电路控制所述电源控制开关周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关保持闭合。An in-vehicle charging control management module includes a power supply device, an in-vehicle charging control unit, a BMU wake-up circuit, a communication interface circuit, and a charging interface circuit, wherein the power supply device is configured to supply power to the in-vehicle charging control unit, and the in-vehicle charging control unit Connected to the battery management system main control module BMU through the communication interface circuit, the in-vehicle charging control unit is connected to the BMU wake-up circuit and the charging interface circuit, and the BMU wake-up circuit is used to wake up the battery management system master control module a block BMU, the charging interface circuit is configured to detect a state of the charging gun, the power supply device includes a main power source, an auxiliary power source, and a timer circuit, wherein the auxiliary power source is connected to the continuous power source of the whole vehicle, and the auxiliary power source is continuously powered. a power supply is connected to the timer circuit to continuously supply power thereto, the main power source is powered from a normal vehicle constant power source via a power control switch, and the onboard charging control unit connects and controls the timer circuit and the power control switch The timer circuit is connected to and controls the power control switch, wherein the timer circuit controls the power control switch to periodically turn on and off in an initial state to periodically activate the in-vehicle charging control unit, the in-vehicle charging The control unit periodically detects the state of the charging gun through the charging interface circuit, and when detecting that the charging gun is inserted into the in-vehicle charging socket, activates the battery management system main control module BMU through the BMU wake-up circuit, and controls the power supply The control switch remains closed.
进一步地:further:
所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关,此后所述定时器电路重新控制所述电源控制开关周期性通断。When the on-board charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch in advance, and then the timer circuit re-controls that the power control switch is periodically turned on and off.
还包括与所述车载充电控制单元相连的电子锁控制电路和电子锁状态检测电路,所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态。And an electronic lock control circuit and an electronic lock state detecting circuit connected to the in-vehicle charging control unit, wherein the in-vehicle charging control unit controls the electronic lock according to an electronic lock control command of the battery management system main control module BMU The circuit locks the charging electronic lock and detects whether the charging electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit.
还包括与所述车载充电控制单元相连的充电插座温度检测电路,所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况。A charging socket temperature detecting circuit connected to the in-vehicle charging control unit is further included, and the in-vehicle charging control unit monitors a temperature condition of the charging socket interface through the charging socket temperature detecting circuit.
所述通信接口电路为CAN通信接口电路。The communication interface circuit is a CAN communication interface circuit.
一种车载充电控制管理***,包括所述车载充电控制管理模块和电池管理***主控模块BMU,所述电池管理***主控模块BMU通过通信接口电路与所述车载充电控制管理模块相连。An in-vehicle charging control management system includes the in-vehicle charging control management module and a battery management system main control module BMU, and the battery management system main control module BMU is connected to the in-vehicle charging control management module through a communication interface circuit.
进一步地,所述充电控制管理模块设置在靠近车载充电插座的位置。Further, the charging control management module is disposed at a position close to the in-vehicle charging socket.
一种车载充电控制管理方法,使用所述的车载充电控制管理模块进行充电控制管理,其中初始状态下所述定时器电路控制所述电源控制开关周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关保持闭合。 An in-vehicle charging control management method for performing charging control management using the in-vehicle charging control management module, wherein the timer circuit controls the power control switch to be periodically turned on and off in an initial state to periodically activate the in-vehicle charging a control unit, the in-vehicle charging control unit periodically detects a state of the charging gun through the charging interface circuit, and activates the battery management system main control module by the BMU wake-up circuit when detecting that the charging gun is inserted into the in-vehicle charging socket The BMU and controls the power control switch to remain closed.
进一步地:further:
所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关,此后所述定时器电路重新控制所述电源控制开关周期性通断。When the on-board charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch in advance, and then the timer circuit re-controls that the power control switch is periodically turned on and off.
所述车载充电控制单元通过CAN通信接口电路和所述电池管理***主控模块BMU实现CAN通信;所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态;所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况;所述车载充电控制单元通过CAN通信将充电枪状态信息、充电电子锁的状态信息、以及充电插座接口的温度信息上报给所述电池管理***主控模块BMU。The in-vehicle charging control unit implements CAN communication through a CAN communication interface circuit and the battery management system main control module BMU; the in-vehicle charging control unit passes the electronic lock control command of the battery management system main control module BMU through the The electronic lock control circuit locks the charging electronic lock, and detects whether the charging electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit; the in-vehicle charging control unit passes the charging socket temperature detecting circuit The temperature of the charging socket interface is monitored. The in-vehicle charging control unit reports the status information of the charging gun, the status information of the charging electronic lock, and the temperature information of the charging socket interface to the battery management system main control module BMU through CAN communication.
本发明的有益效果:The beneficial effects of the invention:
本发明的车载充电控制管理模块通过车载充电控制单元(如CPU)、辅助电源、定时器电路、主电源以及电源控制开关,基于控制策略实现低功耗工作;其中,通过定时器电路实现定时开机激活车载充电控制单元工作;车载充电控制单元激活后检测充电枪状态信号,确定充电枪在位时,才通过BMU唤醒电路激活电池管理***主控模块BMU;辅助电源从整车常火电源取电,给定时器电路供电,从而辅助电源以及定时器电路可长期不断电运行,但其功耗比较低,在充电枪不在位的情况下,主电源工作的时间和定时器的工作周期时间相比占比很小,即充电控制管理模块大部分时间只有辅助电源和定时器电路工作,从而实现了低功耗工作。在检测到充电枪在位时,通过由车载充电控制单元控制电源控制开关保持闭合,保证在定时器电路周期性发出断开电源控制开关驱动信号时,电源控制开关也能够保持闭合状态,防止主电源掉电。The vehicle charging control management module of the invention realizes low power consumption operation based on a control strategy through an in-vehicle charging control unit (such as a CPU), an auxiliary power source, a timer circuit, a main power source, and a power control switch; wherein, the timer circuit realizes the timed booting Activate the vehicle charging control unit; after detecting the charging gun status signal, the vehicle charging control unit activates the battery management system main control module BMU through the BMU wake-up circuit when the charging gun is in position; the auxiliary power supply takes power from the vehicle normal fire power supply. The timer circuit is powered, so that the auxiliary power supply and the timer circuit can be continuously operated for a long time, but the power consumption thereof is relatively low. When the charging gun is not in position, the working time of the main power supply is compared with the working cycle time of the timer. The proportion is small, that is, the charging control management module works only for the auxiliary power supply and the timer circuit most of the time, thereby achieving low power consumption. When it is detected that the charging gun is in position, the power control switch is kept closed by the on-board charging control unit to ensure that the power control switch can be kept closed when the timer circuit periodically issues the power supply control switch driving signal, preventing the main The power is off.
在优选的方案中,供电时车载充电控制单元检测充电枪状态,确定充电枪没有在位时发送控制信号给定时器电路,使定时器电路提前关断电源控制开关,等待下一周期再闭合电源控制开关,此控制方式进一步降低了功耗。In a preferred solution, the vehicle charging control unit detects the state of the charging gun during power supply, determines that the charging gun sends a control signal to the timer circuit when the charging gun is not in position, causes the timer circuit to turn off the power control switch in advance, and waits for the next cycle to reclose the power supply. Control switch, this control method further reduces power consumption.
在优选的方案中,充电控制管理模块就近放置在充电接口插座附近,简化了整车线束设计,大幅减少整车线束的数量。例如,该充电控制管理模块可安装在高压箱外部,整车内靠近充电插座位置,从而能够有效简化 整车线束设计,减少线束的数量。In a preferred solution, the charging control management module is placed close to the charging interface socket, which simplifies the design of the entire vehicle harness and greatly reduces the number of complete vehicle wiring harnesses. For example, the charging control management module can be installed outside the high voltage box, and the whole vehicle is close to the charging socket position, thereby being simplified Complete vehicle wiring harness design to reduce the number of wiring harnesses.
附图说明DRAWINGS
图1为本发明车载充电控制管理模块一种实施例的结构框图。1 is a structural block diagram of an embodiment of an in-vehicle charging control management module of the present invention.
具体实施方式detailed description
以下通过实施例结合附图对本发明进行进一步的详细说明。应该强调的是,下述说明仅仅是示例性的,而不是为了限制本发明的范围及其应用。本领域技术人员应该理解,披露的概念和具体实施例可以很容易地被使用作为基础用来修改或设计其它结构以完成本发明的相同目的。本领域技术人员也应该认识到,这种等同的构造并没有偏移本发明的精神和范围。被认为是本发明特点的新颖性特征,其结构和运作方法,以及进一步的目的和优点,从以下的描述并结合附图将被更好地理解。但是,应该深刻地认识到,提供的每个特征都仅是为了描述和说明,而不是意在限制本发明的定义。The invention will be further described in detail below by means of embodiments with reference to the accompanying drawings. It is to be understood that the following description is only illustrative, and is not intended to limit the scope of the invention. Those skilled in the art will appreciate that the disclosed concepts and embodiments can be readily utilized as a basis for modifying or designing other structures to accomplish the same objectives of the invention. Those skilled in the art should also appreciate that such equivalent constructions do not depart from the spirit and scope of the invention. The novel features, the structure and operation of the invention, together with the It is to be understood, however, that the description of the invention is not intended to limit the invention.
参阅图1,在一种实施例中,一种车载充电控制管理模块,包括供电装置、车载充电控制单元(如CPU)、BMU唤醒电路、通信接口电路和充电接口电路,所述供电装置用于向所述车载充电控制单元供电,所述车载充电控制单元通过所述通信接口电路连接到电池管理***主控模块BMU(未图示),所述车载充电控制单元连接所述BMU唤醒电路和所述充电接口电路,所述BMU唤醒电路用于唤醒电池管理***主控模块BMU,所述充电接口电路用于检测充电枪的状态,所述供电装置包括主电源P1、辅助电源P2和定时器电路,所述辅助电源P2连接整车常火电源从其持续取电,所述辅助电源P2连接所述定时器电路以向其持续供电,所述主电源P1经过电源控制开关S1从整车常火电源取电,所述车载充电控制单元连接并控制所述定时器电路和所述电源控制开关S1,所述定时器电路连接并控制所述电源控制开关S1,其中初始状态下所述定时器电路控制所述电源控制开关S1周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关S1保持闭合。Referring to FIG. 1 , in an embodiment, an in-vehicle charging control management module includes a power supply device, an in-vehicle charging control unit (such as a CPU), a BMU wake-up circuit, a communication interface circuit, and a charging interface circuit, where the power supply device is used. Supplying power to the in-vehicle charging control unit, the in-vehicle charging control unit is connected to a battery management system main control module BMU (not shown) through the communication interface circuit, and the in-vehicle charging control unit is connected to the BMU wake-up circuit and the The charging interface circuit is configured to wake up a battery management system main control module BMU, the charging interface circuit is configured to detect a state of a charging gun, and the power supply device comprises a main power source P1, an auxiliary power source P2, and a timer circuit. The auxiliary power source P2 is connected to the continuous power supply of the whole vehicle from which the auxiliary power source P2 is connected to the timer circuit to continuously supply power thereto. The main power source P1 passes through the power control switch S1 and is normally fired from the whole vehicle. The power supply takes power, and the in-vehicle charging control unit connects and controls the timer circuit and the power control switch S1, and the timer circuit is connected and controlled. The power control switch S1, wherein the timer circuit controls the power control switch S1 to be periodically turned on and off in an initial state to periodically activate the in-vehicle charging control unit, and the in-vehicle charging control unit passes the charging The interface circuit periodically detects the state of the charging gun. When detecting that the charging gun is inserted into the in-vehicle charging socket, the battery management system main control module BMU is activated by the BMU wake-up circuit, and the power control switch S1 is controlled to remain closed.
在优选的实施例中,所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关S1,此后所述定时器电路重新控制所述电源控制开关S1周期性通断。 In a preferred embodiment, when the in-vehicle charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch S1 in advance, and thereafter the timer circuit re-controls the The power control switch S1 is periodically turned on and off.
在优选的实施例中,所述车载充电控制管理模块还包括与所述车载充电控制单元相连的电子锁控制电路和电子锁状态检测电路,所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态。In a preferred embodiment, the in-vehicle charging control management module further includes an electronic lock control circuit and an electronic lock state detecting circuit connected to the in-vehicle charging control unit, and the in-vehicle charging control unit is controlled according to the battery management system. The electronic lock control command of the module BMU performs lock control on the charging electronic lock through the electronic lock control circuit, and detects whether the charging electronic lock is correctly locked or in an unlocked state by the electronic lock state detecting circuit.
在优选的实施例中,所述车载充电控制管理模块还包括与所述车载充电控制单元相连的充电插座温度检测电路,所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况。In a preferred embodiment, the in-vehicle charging control management module further includes a charging socket temperature detecting circuit connected to the in-vehicle charging control unit, wherein the in-vehicle charging control unit monitors the charging socket interface through the charging socket temperature detecting circuit Temperature condition.
在优选的实施例中,所述通信接口电路为CAN通信接口电路。In a preferred embodiment, the communication interface circuit is a CAN communication interface circuit.
在另一种实施例中,一种车载充电控制管理***,包括电池管理***主控模块BMU和前述任一实施例的所述车载充电控制管理模块,所述电池管理***主控模块BMU通过通信接口电路与所述车载充电控制管理模块相连。In another embodiment, an in-vehicle charging control management system includes a battery management system main control module BMU and the in-vehicle charging control management module of any of the foregoing embodiments, wherein the battery management system main control module BMU communicates The interface circuit is connected to the in-vehicle charging control management module.
在优选的实施例中,所述充电控制管理模块设置在靠近车载充电插座的位置。例如,该充电控制管理模块可安装在高压箱外部,整车内靠近充电插座位置。In a preferred embodiment, the charge control management module is disposed adjacent to the onboard charging socket. For example, the charging control management module can be installed outside the high voltage box, and the vehicle is located close to the charging socket.
参阅图1,在另一种实施例中,一种车载充电控制管理方法,使用所述的车载充电控制管理模块进行充电控制管理,其中初始状态下所述定时器电路控制所述电源控制开关S1周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关S1保持闭合。Referring to FIG. 1, in another embodiment, an in-vehicle charging control management method performs charging control management using the in-vehicle charging control management module, wherein the timer circuit controls the power control switch S1 in an initial state. Periodically switching on to periodically activate the in-vehicle charging control unit, the in-vehicle charging control unit periodically detecting the state of the charging gun through the charging interface circuit, and when detecting that the charging gun is inserted into the in-vehicle charging socket, The BMU wake-up circuit activates the battery management system main control module BMU and controls the power control switch S1 to remain closed.
在优选的实施例中,所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关S1,此后所述定时器电路重新控制所述电源控制开关S1周期性通断。In a preferred embodiment, when the in-vehicle charging control unit detects that the charging gun is not inserted into the in-vehicle charging socket, the timer circuit is controlled to turn off the power control switch S1 in advance, and thereafter the timer circuit re-controls the The power control switch S1 is periodically turned on and off.
在优选的实施例中,所述车载充电控制单元通过CAN通信接口电路和所述电池管理***主控模块BMU实现CAN通信;所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态;所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况;所述车载充电 控制单元通过CAN通信将充电枪状态信息、充电电子锁的状态信息、以及充电插座接口的温度信息上报给所述电池管理***主控模块BMU。In a preferred embodiment, the in-vehicle charging control unit implements CAN communication through a CAN communication interface circuit and the battery management system main control module BMU; the in-vehicle charging control unit is based on an electronic device of the battery management system main control module BMU Locking control command, locking control of the charging electronic lock by the electronic lock control circuit, and detecting, by the electronic lock state detecting circuit, whether the charging electronic lock is correctly locked or in an unlocked state; the in-vehicle charging control unit passes The charging socket temperature detecting circuit monitors a temperature condition of the charging socket interface; the vehicle charging The control unit reports the status information of the charging gun, the status information of the charging electronic lock, and the temperature information of the charging socket interface to the battery management system main control module BMU through CAN communication.
以下结合图1进一步描述本发明实施例的工作原理和优点。The working principles and advantages of embodiments of the present invention are further described below in conjunction with FIG.
辅助电源P2从整车常火电源取电,给定时器电路供电,定时器电路周期性闭合电源控制开关S1,从而主电源P1可以周期性激活后给CPU供电;The auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, supplies power to the timer circuit, and the timer circuit periodically closes the power control switch S1, so that the main power supply P1 can be periodically activated to supply power to the CPU;
在主电源P1给CPU供电后,CPU通过充电接口电路检测充电枪状态信号;After the main power source P1 supplies power to the CPU, the CPU detects the charging gun status signal through the charging interface circuit;
CPU确认充电枪***车载充电插座后,即检测到充电枪在位时,CPU通过BMU唤醒电路激活电池管理***主控模块BMU;同时,CPU控制电源控制开关保持闭合,保证在定时器电路周期性发出断开电源控制开关驱动信号时,电源控制开关也能够保持闭合状态,防止主电源掉电;After the CPU confirms that the charging gun is inserted into the vehicle charging socket, that is, when the charging gun is detected, the CPU activates the battery management system main control module BMU through the BMU wake-up circuit; meanwhile, the CPU controls the power control switch to remain closed, ensuring periodicity in the timer circuit. When the power supply control switch drive signal is issued, the power control switch can also be kept closed to prevent the main power supply from being powered down;
BMU唤醒电路激活电池管理***主控模块BMU后,CPU通过CAN通信接口电路和电池管理***主控模块BMU实现CAN通信;After the BMU wake-up circuit activates the battery management system main control module BMU, the CPU implements CAN communication through the CAN communication interface circuit and the battery management system main control module BMU;
CPU根据接收到的电池管理***主控模块BMU的电子锁控制命令,通过电子锁控制电路对充电电子锁进行锁止控制;The CPU locks the charging electronic lock through the electronic lock control circuit according to the received electronic lock control command of the battery management system main control module BMU;
CPU还通过电子锁状态检测电路正确识别出电子锁是否已正确锁止或处于解锁状态;The CPU also correctly recognizes whether the electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit;
CPU通过充电插座温度检测电路监控充电接口的温升情况;The CPU monitors the temperature rise of the charging interface through the charging socket temperature detecting circuit;
CPU通过CAN通信将电子锁的状态信息、充电枪状态信息、充电接口温度上报给主控模块BMU;The CPU reports the status information of the electronic lock, the status of the charging gun, and the temperature of the charging interface to the main control module BMU through CAN communication;
CPU根据是否有充电枪在位的状态发送控制信号给定时器电路,实现对电源控制开关S1的断开控制;The CPU sends a control signal to the timer circuit according to whether the charging gun is in position, and realizes the disconnection control of the power control switch S1;
CPU根据是否有充电枪在位的状态发送控制信号给电源控制开关S1,实现对电源控制开关S1的闭合控制。The CPU transmits a control signal to the power control switch S1 according to whether or not the charging gun is in position, thereby implementing the closing control of the power control switch S1.
上述方法中,通过如下控制策略实现低功耗管理:In the above method, low power management is achieved by the following control strategy:
辅助电源P2从整车常火电源取电,给定时器电路供电,辅助电源P2以及定时器电路功耗比较低(小于0.1W),可长期不断电运行;The auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, and supplies power to the timer circuit. The power consumption of the auxiliary power supply P2 and the timer circuit is relatively low (less than 0.1W), and can be continuously operated for a long time;
定时器电路周期性闭合电源控制开关S1,从而主电源P1可以周期性激活后给CPU供电;The timer circuit periodically closes the power control switch S1, so that the main power source P1 can be periodically activated to supply power to the CPU;
优选地,供电时CPU检测充电枪状态信号,确定充电枪没有在位时,发送控制信号给定时器电路,定时器电路提前关断电源控制开关S1,等待 下一周期再闭合电源控制开关S1;Preferably, the CPU detects the charging gun status signal when the power is supplied, determines that the charging gun is not in position, sends a control signal to the timer circuit, and the timer circuit turns off the power control switch S1 in advance, waiting Reclosing the power control switch S1 in the next cycle;
在充电枪不在位的情况下,由于主电源P1工作的时间和定时器电路的工作周期时间相比占比很小,即充电控制管理模块大部分时间只有辅助电源P2和定时器电路工作,从而实现了低功耗工作。In the case that the charging gun is not in place, since the working time of the main power source P1 is small compared with the duty cycle time of the timer circuit, that is, the charging control management module only works for the auxiliary power source P2 and the timer circuit most of the time, thereby Achieve low power operation.
上述方法中,通过如下控制策略实现动力电池组的充电管理:In the above method, the charging management of the power battery pack is realized by the following control strategy:
辅助电源P2从整车常火电源取电,给定时器电路供电,定时器电路周期性闭合电源控制开关S1,从而主电源P1可以周期性激活后给CPU供电;The auxiliary power supply P2 takes power from the normal fire power supply of the whole vehicle, supplies power to the timer circuit, and the timer circuit periodically closes the power control switch S1, so that the main power supply P1 can be periodically activated to supply power to the CPU;
供电时CPU检测充电枪状态信号,确定充电枪在位,发送控制信号给电源控制开关S1,实现电源控制开关S1闭合控制,保证在定时器电路周期性断开电源控制开关S1驱动信号时,电源控制开关S1也能够保持闭合状态,防止主电源P1掉电;When the power is supplied, the CPU detects the state signal of the charging gun, determines that the charging gun is in position, sends a control signal to the power control switch S1, and realizes the closing control of the power control switch S1 to ensure that when the timer circuit periodically turns off the driving signal of the power control switch S1, the power supply The control switch S1 can also be kept in a closed state to prevent the main power source P1 from being powered down;
CPU通过BMU唤醒电路激活电池管理***主控模块BMU;The CPU activates the battery management system main control module BMU through the BMU wake-up circuit;
电池管理***主控模块BMU激活后,BMU通过CAN通信实现和车载充电控制管理模块的CPU进行信息交互,BMU通过CAN通信实现和充电设备的信息交互,从而实现对动力电池组的充电管理。After the BMU of the battery management system main control module is activated, the BMU realizes information exchange with the CPU of the vehicle charging control management module through CAN communication, and the BMU realizes information exchange with the charging device through CAN communication, thereby realizing charging management of the power battery pack.
本发明背景部分可以包含有关本发明问题或环境的背景信息,而不是由其他人描述的现有技术。因此,背景部分包括的材料并不是申请人对现有技术的承认。Background of the invention may contain background information related to the problem or environment of the invention, rather than the prior art described by others. Therefore, the materials included in the background section are not the applicant's recognition of the prior art.
以上内容是结合具体/优选的实施方式对本发明所作的进一步详细说明,不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下,其还可以对这些已描述的实施方式做出若干替代或变型,而这些替代或变型方式都应当视为属于本发明的保护范围。以上尽管已经详细描述了本发明及其优点,应该理解,在不偏移本发明的精神和范围内,可以做出各种变化、替换和更改。此外,本发明应用的范围并不限于在说明书里描述的过程、机器、制造、物质组成、方式、方法和步骤的特定实施例。应理解,可以做出进一步的修改,并且本申请文件意图涵盖大体上遵照本发明的原理的本发明的任何变体、应用,或者调整,并且包括本披露的此类扩展内容,即在本发明所涉及的领域内的已知的或者惯常的实践的范围内的、可以应用到上文提出的基本特征并且遵照所附权利要求书的范围的。并且,虽然上文描述了且具体实例化了本发明的某些优选实施例,但是这并非意图将本发明 限制于此类实施例,并且任何此类的限制仅包含在所附的权利要求书中。 The above is a further detailed description of the present invention in combination with specific/preferred embodiments, and it is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; It belongs to the scope of protection of the present invention. The present invention and its advantages are described in detail above, and it is understood that various changes, substitutions and changes may be made without departing from the spirit and scope of the invention. Further, the scope of the application of the invention is not limited to the specific embodiments of the processes, machines, manufacture, compositions, methods, methods and steps described in the specification. It should be understood that further modifications may be made and the application is intended to cover any variations, applications, or adaptations of the present invention that are generally in accordance with the principles of the present invention. The basic features set forth above may be applied within the scope of the known or customary practice within the scope of the invention and the scope of the appended claims. Also, although certain preferred embodiments of the invention have been described and illustrated in detail, this is not intended to be The invention is limited to such embodiments, and any such limitations are only included in the appended claims.

Claims (10)

  1. 一种车载充电控制管理模块,包括供电装置、车载充电控制单元、BMU唤醒电路、通信接口电路和充电接口电路,所述供电装置用于向所述车载充电控制单元供电,所述车载充电控制单元通过所述通信接口电路连接到电池管理***主控模块BMU,所述车载充电控制单元连接所述BMU唤醒电路和所述充电接口电路,所述BMU唤醒电路用于唤醒电池管理***主控模块BMU,所述充电接口电路用于检测充电枪的状态,其特征在于,所述供电装置包括主电源、辅助电源和定时器电路,所述辅助电源连接整车常火电源从其持续取电,所述辅助电源连接所述定时器电路以向其持续供电,所述主电源经过电源控制开关从整车常火电源取电,所述车载充电控制单元连接并控制所述定时器电路和所述电源控制开关,所述定时器电路连接并控制所述电源控制开关,其中初始状态下所述定时器电路控制所述电源控制开关周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关保持闭合。An in-vehicle charging control management module includes a power supply device, an in-vehicle charging control unit, a BMU wake-up circuit, a communication interface circuit, and a charging interface circuit, wherein the power supply device is configured to supply power to the in-vehicle charging control unit, and the in-vehicle charging control unit Connected to the battery management system main control module BMU through the communication interface circuit, the in-vehicle charging control unit is connected to the BMU wake-up circuit and the charging interface circuit, and the BMU wake-up circuit is used to wake up the battery management system main control module BMU The charging interface circuit is configured to detect a state of the charging gun, wherein the power supply device comprises a main power source, an auxiliary power source and a timer circuit, and the auxiliary power source is connected to the continuous power source of the vehicle to continuously receive power from the vehicle. An auxiliary power source is connected to the timer circuit to continuously supply power thereto, the main power source is powered from a vehicle normal fire power source via a power control switch, and the in-vehicle charging control unit connects and controls the timer circuit and the power source Controlling a switch, the timer circuit connecting and controlling the power control switch, wherein an initial state The timer circuit controls the power control switch to periodically turn on and off to periodically activate the in-vehicle charging control unit, and the in-vehicle charging control unit periodically detects the state of the charging gun through the charging interface circuit, when detecting When the charging gun is inserted into the vehicle charging socket, the battery management system main control module BMU is activated by the BMU wake-up circuit, and the power control switch is controlled to remain closed.
  2. 如权利要求1所述的车载充电控制管理模块,其特征在于,所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关,此后所述定时器电路重新控制所述电源控制开关周期性通断。The in-vehicle charging control management module according to claim 1, wherein the in-vehicle charging control unit controls the timer circuit to turn off the power control switch in advance when the charging gun is not inserted into the in-vehicle charging socket, and thereafter The timer circuit re-controls that the power control switch is periodically turned on and off.
  3. 如权利要求1或2所述的车载充电控制管理模块,其特征在于,还包括与所述车载充电控制单元相连的电子锁控制电路和电子锁状态检测电路,所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态。The on-vehicle charging control management module according to claim 1 or 2, further comprising an electronic lock control circuit and an electronic lock state detecting circuit connected to said in-vehicle charging control unit, said in-vehicle charging control unit according to said The electronic lock control command of the BMU of the battery management system main control module controls the charging electronic lock through the electronic lock control circuit, and detects whether the charging electronic lock is correctly locked or unlocked by the electronic lock state detecting circuit status.
  4. 如权利要求1或2所述的车载充电控制管理模块,其特征在于,还包括与所述车载充电控制单元相连的充电插座温度检测电路,所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况。The in-vehicle charging control management module according to claim 1 or 2, further comprising a charging socket temperature detecting circuit connected to said in-vehicle charging control unit, said in-vehicle charging control unit passing said charging socket temperature detecting circuit Monitor the temperature of the charging socket connector.
  5. 如权利要求1或2所述的车载充电控制管理模块,其特征在于,所述通信接口电路为CAN通信接口电路。 The in-vehicle charging control management module according to claim 1 or 2, wherein the communication interface circuit is a CAN communication interface circuit.
  6. 一种车载充电控制管理***,其特征在于,包括如权利要求1至5任一项所述的车载充电控制管理模块和电池管理***主控模块BMU,所述电池管理***主控模块BMU通过通信接口电路与所述车载充电控制管理模块相连。An in-vehicle charging control management system, comprising: the in-vehicle charging control management module and the battery management system main control module BMU according to any one of claims 1 to 5, wherein the battery management system main control module BMU communicates The interface circuit is connected to the in-vehicle charging control management module.
  7. 如权利要求6所述的车载充电控制管理***,其特征在于,所述充电控制管理模块设置在靠近车载充电插座的位置。The in-vehicle charging control management system according to claim 6, wherein the charging control management module is disposed at a position close to the in-vehicle charging socket.
  8. 一种车载充电控制管理方法,其特征在于,使用如权利要求1至5任一项所述的车载充电控制管理模块进行充电控制管理,其中初始状态下所述定时器电路控制所述电源控制开关周期性通断,以周期性激活所述车载充电控制单元,所述车载充电控制单元通过所述充电接口电路周期性地检测充电枪的状态,当检测到充电枪***车载充电插座时,通过所述BMU唤醒电路激活所述电池管理***主控模块BMU,并控制所述电源控制开关保持闭合。An in-vehicle charging control management method, characterized in that the charging control management is performed using the in-vehicle charging control management module according to any one of claims 1 to 5, wherein the timer circuit controls the power supply control switch in an initial state Periodically switching on to periodically activate the in-vehicle charging control unit, the in-vehicle charging control unit periodically detecting the state of the charging gun through the charging interface circuit, and when detecting that the charging gun is inserted into the in-vehicle charging socket, The BMU wake-up circuit activates the battery management system master module BMU and controls the power control switch to remain closed.
  9. 如权利要求8所述的车载充电控制管理方法,其特征在于,所述车载充电控制单元检测到充电枪未***车载充电插座时,控制所述定时器电路提前关断所述电源控制开关,此后所述定时器电路重新控制所述电源控制开关周期性通断。The in-vehicle charging control management method according to claim 8, wherein the in-vehicle charging control unit controls the timer circuit to turn off the power control switch in advance when the charging gun is not inserted into the in-vehicle charging socket, and thereafter The timer circuit re-controls that the power control switch is periodically turned on and off.
  10. 如权利要求8或9所述的车载充电控制管理方法,其特征在于,所述车载充电控制单元通过CAN通信接口电路和所述电池管理***主控模块BMU实现CAN通信;所述车载充电控制单元根据所述电池管理***主控模块BMU的电子锁控制命令,通过所述电子锁控制电路对充电电子锁进行锁止控制,并通过所述电子锁状态检测电路检测充电电子锁是否已正确锁止或处于解锁状态;所述车载充电控制单元通过所述充电插座温度检测电路监控充电插座接口的温度情况;所述车载充电控制单元通过CAN通信将充电枪状态信息、充电电子锁的状态信息、以及充电插座接口的温度信息上报给所述电池管理***主控模块BMU。 The in-vehicle charging control management method according to claim 8 or 9, wherein the in-vehicle charging control unit implements CAN communication through a CAN communication interface circuit and the battery management system main control module BMU; the in-vehicle charging control unit Performing lock control on the charging electronic lock by the electronic lock control circuit according to the electronic lock control command of the battery management system main control module BMU, and detecting whether the charging electronic lock is correctly locked by the electronic lock state detecting circuit Or in an unlocked state; the in-vehicle charging control unit monitors a temperature condition of the charging socket interface through the charging socket temperature detecting circuit; the in-vehicle charging control unit transmits charging gun status information, status information of the charging electronic lock, and The temperature information of the charging socket interface is reported to the battery management system main control module BMU.
PCT/CN2017/098400 2016-09-18 2017-08-22 Vehicle-mounted charging control management module, system and method WO2018049967A1 (en)

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CN201610828559.2 2016-09-18
CN201610828559.2A CN106347156B (en) 2016-09-18 2016-09-18 A kind of vehicle-mounted charge control management module, system and method

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CN109353239A (en) * 2018-12-06 2019-02-19 广州发展瑞华新能源电动船有限公司 A kind of centralized alternating current-direct current shore connection box in open air for the above electric ship charging of kiloton
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CN117097363A (en) * 2023-10-17 2023-11-21 天津森普捷电子有限公司 Alternating module of trading electric radio frequency, on-vehicle system circuit and trading power station system circuit

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