WO2021088559A1 - Smart battery pack mixedly using controller - Google Patents

Smart battery pack mixedly using controller Download PDF

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Publication number
WO2021088559A1
WO2021088559A1 PCT/CN2020/117769 CN2020117769W WO2021088559A1 WO 2021088559 A1 WO2021088559 A1 WO 2021088559A1 CN 2020117769 W CN2020117769 W CN 2020117769W WO 2021088559 A1 WO2021088559 A1 WO 2021088559A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery pack
controller
battery
intelligent
mixedly
Prior art date
Application number
PCT/CN2020/117769
Other languages
French (fr)
Chinese (zh)
Inventor
王斌
牛一诺
Original Assignee
上海腾通信息科技有限公司
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Filing date
Publication date
Application filed by 上海腾通信息科技有限公司 filed Critical 上海腾通信息科技有限公司
Publication of WO2021088559A1 publication Critical patent/WO2021088559A1/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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • 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
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Definitions

  • This patent relates to the field of electric energy vehicles, in particular to an intelligent hybrid controller for battery packs.
  • This patent mainly focuses on providing a standard battery pack specification for vehicles with different power requirements, and the battery pack can provide power for different types of vehicles by increasing or decreasing the number. This is because the cycle life of the battery pack will not be the same after the battery pack has been used for different time periods of different models. For example, if two battery packs of the same specification are fully charged, the battery pack A will be charged 100 times. Discharge, battery pack B has been charged and discharged 500 times, then if battery pack A and battery pack B are used in parallel for a period of time, because battery A is relatively new, the voltage drop is lower than that of battery B, so the voltage of battery pack A It will be higher than the battery pack B, causing the battery pack A to charge the battery pack B in the reverse direction.
  • the battery pack assembly in the prior art has at least the following defects: (1) After the combined use of new and old battery packs with different cycles of charge and discharge, more electric energy will be lost and energy will be wasted; (2) remaining batteries with different electric capacity After the battery pack is used in combination, more electric energy will be lost and energy will be wasted; (3) The uniform specification battery packs used by electric vehicles with different power requirements are still difficult to realize the universality of battery packs.
  • the present invention provides an intelligent hybrid controller for battery packs, which can be realized through the following specific technical solutions.
  • the present invention provides an intelligent hybrid controller for battery packs, including a battery pack access port for the intelligent hybrid controller for battery packs: to access the battery pack, and connect the battery pack intelligent hybrid controller control center and the battery pack BMS of the connected battery pack.
  • the system sends the status data of the battery pack to the battery pack intelligent mixed controller control center; the battery pack intelligent mixed controller power output port: connects the electrical equipment and the battery pack intelligent mixed controller to supply power to the electrical equipment; battery Package intelligent mixed controller control center: reads and analyzes the status data of the battery package, and issues instructions to the battery package based on the analysis result.
  • a battery pack intelligent hybrid controller status output port that outputs status data of the battery pack.
  • the battery pack intelligent hybrid controller status output port outputs the battery pack status data to a display screen.
  • the display screen is directly connected to the battery pack intelligent hybrid controller.
  • the display screen is connected to an electric device.
  • the battery pack intelligent hybrid controller status output port sends the battery pack status data to the cloud system.
  • the present invention has at least the following advantages:
  • the present invention can maximize the utilization rate of electric energy in a scenario where new and old battery packs of the same specification are used in parallel.
  • the present invention can maximize the utilization rate of electric energy in a scenario where battery packs with the same specifications and different power levels are used in parallel in combination;
  • the present invention adapts to the requirements of various vehicles of different specifications through the combination of the same specification but different numbers of battery packs.
  • Figure 1 is a schematic diagram of the operation of a battery pack intelligent hybrid controller provided by the present invention
  • FIG. 2 is a schematic diagram of the structure of a battery pack intelligent hybrid controller provided by the present invention.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • installed can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • Battery pack intelligent mixed controller battery pack access port 1 the interface of multiple battery packs and battery pack intelligent mixed controller, the data transmission channel between the battery pack intelligent mixed controller control center 3 and the battery pack BMS system 5;
  • Battery pack intelligent mixed-use controller power output port 2 The connection port of the electrical equipment and the battery pack intelligent mixed-use controller;
  • Battery pack intelligent mixed controller control center 3 Through the battery pack BMS system 5 of each battery pack and the battery pack access port 1 of the battery pack intelligent mixed controller battery pack access port 1, read the status data of each battery pack in the battery pack assembly, and compare the received Analyze the data, give judgments based on the analysis results and issue corresponding instructions to the instruction object, and pass the current battery pack combination state through the battery pack intelligent hybrid controller state output port 4 in an appropriate manner within the set time period Display in the desired location, or send to a specific location;
  • Battery pack intelligent mixed controller status output port 4 The current battery pack combination status is displayed at the required position in an appropriate manner within a set time period through the battery pack intelligent mixed controller status output port, or sent to a specific s position;
  • Battery pack BMS system 5 Read the status of the battery pack, and feed the state back to the battery pack intelligent hybrid controller through the battery pack access port 1 of the battery pack smart hybrid controller, and receive it through the battery pack access port of the battery pack smart hybrid controller 1 command sent.
  • FIG. 2 is a schematic diagram of the structure of a battery pack intelligent hybrid controller provided by the present invention.
  • the battery pack intelligent hybrid controller battery pack access port 1 the battery pack intelligent hybrid controller power output port 2 is embedded in the battery pack intelligent On the shell of the hybrid controller, it is connected to the center 3 of the battery pack intelligent hybrid controller;
  • the battery pack access port 1 of the battery pack intelligent hybrid controller can be connected to multiple battery packs;
  • the battery pack intelligent hybrid controller power output port 2 can be used together Electric equipment (take electric car as an example) connection;
  • the battery pack BMS system 5 is installed on the battery pack, one end is linearly connected to the cells in the battery pack, and the other end is connected to the battery pack inlet 1 of the intelligent hybrid controller of the battery pack .
  • the battery pack access port 1 of the battery pack intelligent hybrid controller can read the real-time status data of the battery pack through the battery pack BMS system 5 when it is connected to the battery pack, and analyze the status data of multiple battery packs connected, and finally according to the analysis As a result, corresponding instructions were issued for each different battery pack.
  • the existing three battery packs A ⁇ B ⁇ C are combined into one group, at a certain moment, the voltage of A is lower than the voltage of B ⁇ C, and the voltage difference is equal to or greater than a certain set by the control center 3 of the battery pack intelligent mixed controller.
  • a threshold value X1 A threshold value X1.
  • the battery pack intelligent mixed controller control center 3 will issue an instruction to suspend the working state of the A battery pack, and the B ⁇ C battery pack will continue to work until the battery pack intelligent mixed controller control center 3 detects a certain time
  • the battery pack intelligent mixed controller control center 3 will issue an instruction to change A ⁇ B ⁇ C
  • the three battery packs are adjusted to work at the same time.
  • the battery pack intelligent hybrid controller can also read the status data of each battery pack in the battery pack combination in real time through the battery pack BMS system 5, and monitor the abnormal conditions of the battery pack in real time, such as the cells in a certain battery pack.
  • the real-time status data will be sent to the display through the battery pack intelligent mixed controller status output port 4 (here the display can be the display of the battery pack intelligent mixed controller itself , Can also be linearly connected to electric equipment (such as on the display screen of an electric vehicle), or sent to the cloud system, which can be used for users or operators to view the working status of the battery pack.
  • the display can be the display of the battery pack intelligent mixed controller itself , Can also be linearly connected to electric equipment (such as on the display screen of an electric vehicle), or sent to the cloud system, which can be used for users or operators to view the working status of the battery pack.
  • the qualifiers similar to "first" and “second” appearing in this article do not imply a limitation on time sequence, quantity, or importance, but only for the purpose of combining a technology in this technical solution.
  • a feature is distinguished from another technical feature.
  • the qualifiers similar to “one” appearing in this article do not refer to the limitation of quantity, but describe the technical features that have not appeared in the previous article.
  • modifiers similar to "about” and “approximately” appearing before a number in this text usually include the number, and its specific meaning should be understood in light of the context.
  • it is a noun modified by a specific quantitative quantifier, it shall be regarded as including both the singular form and the plural form in this article.
  • the technical solution may include the singular or plural of the technical feature.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A smart battery pack mixedly using controller, comprising: a battery pack access port (1) of the smart battery pack mixedly using controller, so as to connect a control center (3) of the smart battery pack mixedly using controller to battery pack BMSs (5) of connected battery packs to send state data of the battery packs to the control center (3) of the smart battery pack mixedly using controller; an electric energy output port (2) of the smart battery pack mixedly using controller, which connects an electric device to the smart battery pack mixedly using controller to supply power to the electric device; and the control center (3) of the smart battery pack mixedly using controller, which reads and analyzes the state data of the battery packs and sends an instruction to the battery packs according to an analysis result. The electric energy utilization rates of a battery pack combination composed of new and old battery packs with the same specification and a battery pack combination composed of battery packs with the same specification but different remaining capacities can be maximized; and by means of universal combinations, the required battery pack combinations, which are composed of battery packs with the same specification but of different numbers, can be provided for different types of vehicles in a matching manner, thereby greatly reducing energy waste.

Description

电池包智能混用控制器Intelligent Hybrid Controller for Battery Pack 技术领域Technical field
本专利涉及电力能源车领域，尤其涉及一种电池包智能混用控制器。This patent relates to the field of electric energy vehicles, in particular to an intelligent hybrid controller for battery packs.
背景技术Background technique
目前，电力能源车的市场份额不断上升，日渐覆盖了用户出行的多种场景。然而，电力能源车的电池依然存在诸多使用上亟待解决的问题。由于各类电力能源车辆的功耗不同，相应的需要不同大小的电池包提供动力。现有技术通过串并联不同数量电芯的方式，搭配出各类规格的电池包，已经能够满足不同动力输出的电力能源车的需求。如：电助力车可能只需要36V12AH来提供动，小型电动摩托车需要48V16AH，大型电动摩托车需要60V 20AH来提供能量。目前行业的现状是基于每一款车子设计一个型号的和电压的电池，因为电池无法通用这个本质上来说是一种资源的浪费。本专利主要侧重为不同动力需求的车辆提供一种标准的电池包规格，该电池包可以通过增加或减少数量来为不同类型的车辆提供动力。因为电池包在经过不同的车型使用不同的时间段后，电池包的循环寿命将会不再相同，如：两块相同规格的电池包，在满电的情况下，A电池包经过100次充放电，B电池包经过500次的充放电，那么如果将A电池包与B电池包并联并用一段时间后，因为A电池比较新，所以电压下降幅度比B电池低，由此A电池包的电压将高于B电池包，造成A电池包将会反向为B电池包充电的现象。在A电池包为B电池包充电时将会有一部分的电能被消耗掉，而这部分电能并没有被使用在车辆的动力上，此时就造成了能源的浪费。在电力能源车正在被大力 推广的今天，这部分能源的损失被累计之后，将会是一个非常巨大数字的能源浪费。除此之外两块规格一致的电池包如果当前剩余电量不同时，如C电池包剩余90％的电量，可单独使用9h，D电池包剩余电量50％，可单独使用5h,那么这两个电池包被并联组合使用后，在使用过程中由于行程电压差依然会出现C电池包为D电池包充电，C电池包为D电池包充电的过程中将会有一部分的电能被消耗掉，降低整体电池组的电能使用率。以上这些因素导致了电力能源车很难在统一电池规格上形成统一的标准，这成为电力能源出行推广的一大阻力，且该问题在其他电能设备上也同样存在。为解决以上这些问题，我们亟待找出一个合理的解决方案，该方案需要解决各类可使用同规格电池包的各类电力能源车或电能源设备，可以并联混合使用不同循环寿命，不同电量的电池包，并使电池包组合的能源得到最大化的利用，使电力能源车和其他电能源设备在相同电池包混合组合的情况下可以拥有更远的出行距离和更高的电能利用率。At present, the market share of electric energy vehicles continues to rise, gradually covering a variety of scenarios for users to travel. However, the battery of electric energy vehicles still has many problems that need to be solved urgently. Due to the different power consumption of various electric energy vehicles, battery packs of different sizes are required to provide power accordingly. In the prior art, battery packs of various specifications can be matched in series and parallel with different numbers of battery cells, which can already meet the needs of electric energy vehicles with different power outputs. For example, electric bicycles may only need 36V12AH to provide power, small electric motorcycles need 48V16AH, and large electric motorcycles need 60V 20AH to provide energy. The current status of the industry is to design a model and voltage battery based on each car, because the battery cannot be used universally, which is essentially a waste of resources. This patent mainly focuses on providing a standard battery pack specification for vehicles with different power requirements, and the battery pack can provide power for different types of vehicles by increasing or decreasing the number. This is because the cycle life of the battery pack will not be the same after the battery pack has been used for different time periods of different models. For example, if two battery packs of the same specification are fully charged, the battery pack A will be charged 100 times. Discharge, battery pack B has been charged and discharged 500 times, then if battery pack A and battery pack B are used in parallel for a period of time, because battery A is relatively new, the voltage drop is lower than that of battery B, so the voltage of battery pack A It will be higher than the battery pack B, causing the battery pack A to charge the battery pack B in the reverse direction. When the battery pack A is charging the battery pack B, a part of the electric energy will be consumed, and this part of the electric energy is not used for the power of the vehicle, which causes a waste of energy. Today, electric energy vehicles are being vigorously promoted. After this part of the energy loss is accumulated, it will be a very large number of energy waste. In addition, if the current remaining power of two battery packs with the same specifications is different, for example, the remaining 90% of the battery pack C can be used alone for 9 hours, and the remaining power of the battery pack D can be used alone for 5 hours. After the battery pack is used in parallel combination, due to the difference in stroke voltage during use, the battery pack C will charge the battery pack D, and part of the electric energy will be consumed during the process of charging the D battery pack by the C battery pack. The power usage rate of the overall battery pack. The above factors have made it difficult for electric energy vehicles to form a unified standard on unified battery specifications, which has become a major obstacle to the promotion of electric energy travel, and this problem also exists in other electrical equipment. In order to solve the above problems, we urgently need to find a reasonable solution. This solution needs to solve all kinds of electric energy vehicles or electric energy equipment that can use the same specification battery packs, and can mix and use different cycle life and different electric energy in parallel. Battery pack, and maximize the use of the energy of the battery pack combination, so that electric energy vehicles and other electric energy equipment can have a longer travel distance and higher electric energy utilization under the same battery pack hybrid combination.
现有技术中的电池包组合至少存在如下缺陷：(1)循环充放电次数不同的新旧电池包组合使用后，将会有较多的电能被损失掉，浪费能源；(2)剩余不同电量电池包组合使用后，将会有较多的电能被损失掉，浪费能源；(3)各种不同动力需求的电力车辆所使用统一规格电池包依然难以实现电池包的通用。The battery pack assembly in the prior art has at least the following defects: (1) After the combined use of new and old battery packs with different cycles of charge and discharge, more electric energy will be lost and energy will be wasted; (2) remaining batteries with different electric capacity After the battery pack is used in combination, more electric energy will be lost and energy will be wasted; (3) The uniform specification battery packs used by electric vehicles with different power requirements are still difficult to realize the universality of battery packs.
有鉴于此，设计一种电池包智能混用控制器，是本领域技术人员有待解决的技术问题。In view of this, designing an intelligent hybrid controller for battery packs is a technical problem to be solved by those skilled in the art.
发明内容Summary of the invention
为了克服上述缺陷，本发明提供一种电池包智能混用控制器，并具体通过 以下具体的技术方案得以实现。In order to overcome the above shortcomings, the present invention provides an intelligent hybrid controller for battery packs, which can be realized through the following specific technical solutions.
本发明提供一种电池包智能混用控制器，包括电池包智能混用控制器电池包接入口：以接入电池包，并通过连接电池包智能混用控制器控制中心和所连接电池包的电池包BMS***，向电池包智能混用控制器控制中心发送电池包的状态数据；电池包智能混用控制器电能输出口：以连接用电设备和所述电池包智能混用控制器，向用电设备供电；电池包智能混用控制器控制中心：读取并分析电池包的状态数据，并根据分析结果向电池包发出指令。The present invention provides an intelligent hybrid controller for battery packs, including a battery pack access port for the intelligent hybrid controller for battery packs: to access the battery pack, and connect the battery pack intelligent hybrid controller control center and the battery pack BMS of the connected battery pack. The system sends the status data of the battery pack to the battery pack intelligent mixed controller control center; the battery pack intelligent mixed controller power output port: connects the electrical equipment and the battery pack intelligent mixed controller to supply power to the electrical equipment; battery Package intelligent mixed controller control center: reads and analyzes the status data of the battery package, and issues instructions to the battery package based on the analysis result.
更进一步地，还包括输出电池包的状态数据的电池包智能混用控制器状态输出口。Furthermore, it also includes a battery pack intelligent hybrid controller status output port that outputs status data of the battery pack.
更进一步地，电池包智能混用控制器状态输出口将电池包状态数据输出至一显示屏。Furthermore, the battery pack intelligent hybrid controller status output port outputs the battery pack status data to a display screen.
更进一步地，所述显示屏直接连接至电池包智能混用控制器。Furthermore, the display screen is directly connected to the battery pack intelligent hybrid controller.
更进一步地，所述显示屏连接至用电设备。Furthermore, the display screen is connected to an electric device.
更进一步地，电池包智能混用控制器状态输出口将电池包状态数据发送至云端***。Furthermore, the battery pack intelligent hybrid controller status output port sends the battery pack status data to the cloud system.
与现有技术相比，本发明至少具有以下优点：Compared with the prior art, the present invention has at least the following advantages:
第一、本发明在相同规格的新旧电池包并联组合使用的场景下，可将电能利用率最大化；First, the present invention can maximize the utilization rate of electric energy in a scenario where new and old battery packs of the same specification are used in parallel.
第二、本发明在相同规格剩余不同电量的电池包并联组合使用的场景下，可将电能利用率最大化；Second, the present invention can maximize the utilization rate of electric energy in a scenario where battery packs with the same specifications and different power levels are used in parallel in combination;
第三、本发明通过同一规格但不同数量的电池包组合适配各种不同规格车辆的需求。Third, the present invention adapts to the requirements of various vehicles of different specifications through the combination of the same specification but different numbers of battery packs.
附图说明Description of the drawings
关于本发明的优点可以通过以下的专利详述及所附附图得到进一步的了解。所描述的附图只是本专利的一部分实施例，而不是全部实施例。本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他技术方案皆属于本发明的保护范围。The advantages of the present invention can be further understood through the following patent details and accompanying drawings. The drawings described are only a part of the embodiments of this patent, rather than all the embodiments. Those skilled in the art can obtain other technical solutions based on these drawings without creative work, and all fall within the protection scope of the present invention.
图1是本发明提供的一种电池包智能混用控制器工作示意图；Figure 1 is a schematic diagram of the operation of a battery pack intelligent hybrid controller provided by the present invention;
图2是本发明提供的一种电池包智能混用控制器结构示意图；2 is a schematic diagram of the structure of a battery pack intelligent hybrid controller provided by the present invention;
具体实施方式Detailed ways
下面结合附图详细说明本发明的具体实施例。然而，应当将本发明理解成并不局限于以下描述的这种实施方式，并且本发明的技术理念可以与其他公知技术或功能与那些公知技术相同的其他技术组合实施。The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it should be understood that the present invention is not limited to the embodiment described below, and the technical idea of the present invention can be implemented in combination with other known technologies or other technologies whose functions are the same as those of the known technologies.
在以下具体实施例的说明中，为了清楚展示本发明的结构及工作方式，将借助诸多方向性词语进行描述，但是应当将“前”、“后”、“左”、“右”、“外”、“内”、“向外”、“向内”、“轴向”、“径向”等词语理解为方便用语，而不应当理解为限定性词语。In the description of the following specific embodiments, in order to clearly demonstrate the structure and working mode of the present invention, many directional words will be used for description, but the words "front", "rear", "left", "right", and "outer" shall be used. "Inner", "Outward", "Inward", "Axial", "Radial" and other words are understood as convenient terms and should not be understood as restrictive terms.
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接连接，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations.
本发明技术方案的功能实现主要由以下几个部分配合完成：The functional realization of the technical scheme of the present invention is mainly completed by the cooperation of the following parts:
电池包智能混用控制器电池包接入口1：多个电池包和电池包智能混用控制 器的接口，电池包智能混用控制器控制中心3和电池包BMS***5之间的数据输送通道；Battery pack intelligent mixed controller battery pack access port 1: the interface of multiple battery packs and battery pack intelligent mixed controller, the data transmission channel between the battery pack intelligent mixed controller control center 3 and the battery pack BMS system 5;
电池包智能混用控制器电能输出口2：用电设备和电池包智能混用控制器的连接口；Battery pack intelligent mixed-use controller power output port 2: The connection port of the electrical equipment and the battery pack intelligent mixed-use controller;
电池包智能混用控制器控制中心3：通过各个电池包的电池包BMS***5和电池包智能混用控制器电池包接入口1读取电池包组合中各个电池包的状态数据，并对接收到的数据进行分析，根据分析结果给出判断并对指令对象发出相应的指令，并将当前的电池包组合的状态通过电池包智能混用控制器状态输出口4在设定的时间周期内以适当的方式显示在需要的位置，或发送到特定的位置；Battery pack intelligent mixed controller control center 3: Through the battery pack BMS system 5 of each battery pack and the battery pack access port 1 of the battery pack intelligent mixed controller battery pack access port 1, read the status data of each battery pack in the battery pack assembly, and compare the received Analyze the data, give judgments based on the analysis results and issue corresponding instructions to the instruction object, and pass the current battery pack combination state through the battery pack intelligent hybrid controller state output port 4 in an appropriate manner within the set time period Display in the desired location, or send to a specific location;
电池包智能混用控制器状态输出口4：将当前的电池包组合的状态通过电池包智能混用控制器状态输出口在设定的时间周期内以适当的方式显示在需要的位置，或发送到特定的位置；Battery pack intelligent mixed controller status output port 4: The current battery pack combination status is displayed at the required position in an appropriate manner within a set time period through the battery pack intelligent mixed controller status output port, or sent to a specific s position;
电池包BMS***5：读取电池包状态，并将该状态通过电池包智能混用控制器电池包接入口1反馈给电池包智能混用控制器，并接收通过电池包智能混用控制器电池包接入口1发送的指令。Battery pack BMS system 5: Read the status of the battery pack, and feed the state back to the battery pack intelligent hybrid controller through the battery pack access port 1 of the battery pack smart hybrid controller, and receive it through the battery pack access port of the battery pack smart hybrid controller 1 command sent.
以下结合图1和图2对本发明的技术方案进行说明。The technical solution of the present invention will be described below in conjunction with FIG. 1 and FIG. 2.
图2是本发明提供的一种电池包智能混用控制器结构示意图，如图所示，电池包智能混用控制器电池包接入口1、电池包智能混用控制器电能输出口2嵌入在电池包智能混用控制器外壳上，并和电池包智能混用控制器中心3相连；电池包智能混用控制器电池包接入口1可接入多个电池包；电池包智能混用控制器电能输出口2可与用电设备(以电力车为例)连接；电池包BMS***5安装在电池包上，一端和电池包内的电芯之间线性连接，另一端和电池包智能混 用控制器电池包接入口1连接。Figure 2 is a schematic diagram of the structure of a battery pack intelligent hybrid controller provided by the present invention. As shown in the figure, the battery pack intelligent hybrid controller battery pack access port 1, the battery pack intelligent hybrid controller power output port 2 is embedded in the battery pack intelligent On the shell of the hybrid controller, it is connected to the center 3 of the battery pack intelligent hybrid controller; the battery pack access port 1 of the battery pack intelligent hybrid controller can be connected to multiple battery packs; the battery pack intelligent hybrid controller power output port 2 can be used together Electric equipment (take electric car as an example) connection; the battery pack BMS system 5 is installed on the battery pack, one end is linearly connected to the cells in the battery pack, and the other end is connected to the battery pack inlet 1 of the intelligent hybrid controller of the battery pack .
电池包智能混用控制器电池包接入口1在和电池包连接时可通过电池包BMS***5读取电池包实时状态数据，并对接入的多个电池包的状态数据进行分析，最后根据分析结果对各个不同的电池包发出相应的指令。如：现有A\B\C三个电池包组合为一组，某一时刻，A电压低于B\C电压，且电压差值等于或大于电池包智能混用控制器控制中心3设置的某一个阈值X1，此时电池包智能混用控制器控制中心3将会发出指令暂停A电池包的工作状态，B\C电池包继续工作，待电池包智能混用控制器控制中心3检测到某一时刻A电池包的电压和B\C之间的差值小于等于电池包智能混用控制器控制中心3设置的下限阈值X2时，电池包智能混用控制器控制中心3将会发出指令，将A\B\C三个电池包调整为同时工作状态。与此同时，电池包智能混用控制器还可以通过电池包BMS***5实时读取电池包组合中每个电池包的状态数据，实时监控电池包的异常情况，如某个电池包中的电芯出现损坏，或电池包温度过高等异常数据，并通过电池包智能混用控制器状态输出口4将实时状态数据输送至显示屏上(此处显示屏可为电池包智能混用控制器自身的显示屏，也可通过线性连接在用电设备上(如电能车辆的显示屏上))，或发送至云端***中，可用于使用者或运营者查看电池包工作状态。The battery pack access port 1 of the battery pack intelligent hybrid controller can read the real-time status data of the battery pack through the battery pack BMS system 5 when it is connected to the battery pack, and analyze the status data of multiple battery packs connected, and finally according to the analysis As a result, corresponding instructions were issued for each different battery pack. For example: the existing three battery packs A\B\C are combined into one group, at a certain moment, the voltage of A is lower than the voltage of B\C, and the voltage difference is equal to or greater than a certain set by the control center 3 of the battery pack intelligent mixed controller. A threshold value X1. At this time, the battery pack intelligent mixed controller control center 3 will issue an instruction to suspend the working state of the A battery pack, and the B\C battery pack will continue to work until the battery pack intelligent mixed controller control center 3 detects a certain time When the difference between the voltage of A battery pack and B\C is less than or equal to the lower threshold X2 set by the battery pack intelligent mixed controller control center 3, the battery pack intelligent mixed controller control center 3 will issue an instruction to change A\B \C The three battery packs are adjusted to work at the same time. At the same time, the battery pack intelligent hybrid controller can also read the status data of each battery pack in the battery pack combination in real time through the battery pack BMS system 5, and monitor the abnormal conditions of the battery pack in real time, such as the cells in a certain battery pack. If abnormal data such as damage or battery pack temperature is too high, the real-time status data will be sent to the display through the battery pack intelligent mixed controller status output port 4 (here the display can be the display of the battery pack intelligent mixed controller itself , Can also be linearly connected to electric equipment (such as on the display screen of an electric vehicle), or sent to the cloud system, which can be used for users or operators to view the working status of the battery pack.
如无特别说明，本文中出现的类似于“第一”、“第二”的限定语并非是指对时间顺序、数量、或者重要性的限定，而仅仅是为了将本技术方案中的一个技术特征与另一个技术特征相区分。同样地，本文中出现的类似于“一”的限定语并非是指对数量的限定，而是描述在前文中未曾出现的技术特征。同样地，本文中在数词前出现的类似于“大约”、“近似地”的修饰语通常包含本数， 并且其具体的含义应当结合上下文意理解。同样地，除非是有特定的数量量词修饰的名词，否则在本文中应当视作即包含单数形式又包含复数形式，在该技术方案中即可以包括单数个该技术特征，也可以包括复数个该技术特征。Unless otherwise specified, the qualifiers similar to "first" and "second" appearing in this article do not imply a limitation on time sequence, quantity, or importance, but only for the purpose of combining a technology in this technical solution. A feature is distinguished from another technical feature. Similarly, the qualifiers similar to "one" appearing in this article do not refer to the limitation of quantity, but describe the technical features that have not appeared in the previous article. Similarly, modifiers similar to "about" and "approximately" appearing before a number in this text usually include the number, and its specific meaning should be understood in light of the context. Similarly, unless it is a noun modified by a specific quantitative quantifier, it shall be regarded as including both the singular form and the plural form in this article. The technical solution may include the singular or plural of the technical feature. Technical characteristics.
本说明书中所述的只是本发明的较佳具体实施例，以上实施例仅用以说明本发明的技术方案而非对本发明的限制。凡本领域技术人员依本发明的构思通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在本发明的范围之内。The descriptions in this specification are only preferred specific embodiments of the present invention, and the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the present invention. All technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention should fall within the scope of the present invention.

Claims (6)

  1. 一种电池包智能混用控制器，其特征在于，包括An intelligent hybrid controller for battery packs, which is characterized in that it comprises
    电池包智能混用控制器电池包接入口：以接入电池包，并通过连接电池包智能混用控制器控制中心和所连接电池包的电池包BMS***，向电池包智能混用控制器控制中心发送电池包的状态数据；Battery pack access port of the battery pack intelligent mixed controller: to connect to the battery pack, and send the battery to the battery pack intelligent mixed controller control center through the battery pack BMS system connected to the battery pack intelligent mixed controller control center and the connected battery pack Package status data;
    电池包智能混用控制器电能输出口：以连接用电设备和所述电池包智能混用控制器，向用电设备供电；The power output port of the battery pack intelligent mixed controller: to connect the electric equipment and the battery pack intelligent mixed controller to supply power to the electric equipment;
    电池包智能混用控制器控制中心：读取并分析电池包的状态数据，并根据分析结果向电池包发出指令。Battery pack intelligent hybrid controller control center: reads and analyzes the status data of the battery pack, and issues instructions to the battery pack based on the analysis result.
  2. 根据权利要求1所述的电池包智能混用控制器，其特征在于，还包括输出电池包的状态数据的电池包智能混用控制器状态输出口。The battery pack intelligent hybrid controller according to claim 1, further comprising a state output port of the battery pack intelligent hybrid controller outputting status data of the battery pack.
  3. 根据权利要求2所述的电池包智能混用控制器，其特征在于，电池包智能混用控制器状态输出口将电池包状态数据输出至一显示屏。The battery pack intelligent hybrid controller according to claim 2, wherein the battery pack intelligent hybrid controller status output port outputs battery pack status data to a display screen.
  4. 根据权利要求3所述的电池包智能混用控制器，其特征在于，所述显示屏直接连接至电池包智能混用控制器。The battery pack intelligent hybrid controller of claim 3, wherein the display screen is directly connected to the battery pack intelligent hybrid controller.
  5. 根据权利要求3所述的电池包智能混用控制器，其特征在于，所述显示屏连接至用电设备。The intelligent hybrid controller for battery packs according to claim 3, wherein the display screen is connected to an electric device.
  6. 根据权利要求2所述的电池包智能混用控制器，其特征在于，电池包智能混用控制器状态输出口将电池包状态数据发送至云端***。The battery pack intelligent hybrid controller according to claim 2, wherein the battery pack intelligent hybrid controller status output port sends the battery pack status data to the cloud system.
PCT/CN2020/117769 2019-11-07 2020-09-25 Smart battery pack mixedly using controller WO2021088559A1 (en)

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