WO2018086606A1 - Système de réglage de température modulaire et extensible - Google Patents

Système de réglage de température modulaire et extensible Download PDF

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Publication number
WO2018086606A1
WO2018086606A1 PCT/CN2017/110576 CN2017110576W WO2018086606A1 WO 2018086606 A1 WO2018086606 A1 WO 2018086606A1 CN 2017110576 W CN2017110576 W CN 2017110576W WO 2018086606 A1 WO2018086606 A1 WO 2018086606A1
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WO
WIPO (PCT)
Prior art keywords
modular
coolant
temperature
battery
regulation system
Prior art date
Application number
PCT/CN2017/110576
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English (en)
Chinese (zh)
Inventor
郑毅
谭广志
陈炯
何旭
Original Assignee
蔚来汽车有限公司
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Filing date
Publication date
Application filed by 蔚来汽车有限公司 filed Critical 蔚来汽车有限公司
Publication of WO2018086606A1 publication Critical patent/WO2018086606A1/fr

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    • 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
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M10/48—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
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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

Definitions

  • the invention belongs to the technical field of battery temperature control, and in particular provides a modular and expandable battery temperature regulation system.
  • the electric vehicle industry is developing rapidly, and the requirements for batteries are getting higher and higher.
  • the capacity of the battery is greatly affected by the temperature, and the battery charging and discharging has a limited range for the external environment temperature.
  • the mobile charging car battery needs a large rate of charge/discharge, and a large amount of heat is generated along with the charging/discharging process. If the battery heating problem is not handled well, it will directly affect the battery performance and cycle life.
  • the existing electric vehicles mainly use air-cooling and water-cooling to cool the battery.
  • the air-cooling efficiency is low and the heat dissipation is uneven. It is difficult to ensure heat dissipation and heat preservation in high temperature and cold weather.
  • the water cooling method dissipates heat from the battery.
  • the current water cooling schemes for batteries are designed for single batteries and the electric powertrain system of the entire vehicle. This design has high specificity and is generally only for one type of vehicle, which leads to a great application promotion. limit.
  • the present invention provides a modular and expandable temperature regulation system
  • the temperature An adjustment system is coupled to the plurality of objects to be cooled for adjusting a temperature of the plurality of objects to be cooled
  • the battery temperature adjustment system including an electronic control system, a coolant circulation pump, a heat exchanger, a coolant storage device, and a pipeline System
  • the electronic control system is connected to the heat exchanger and/or the coolant circulation pump
  • the coolant circulation pump, the heat exchanger and the coolant storage device are connected by the pipeline system
  • the piping system includes a main pipeline and a plurality of branch pipelines, and each of the objects to be cooled is disposed on one of the branch pipelines.
  • the electronic control system includes a controller and a plurality of temperature sensors, each of the temperature sensors being disposed in one-to-one correspondence with each of the objects to be cooled.
  • the temperature sensor detects the temperature of the coolant in the branch line and feeds back a signal to the controller, and the controller can control the coolant according to the detection result of the temperature sensor.
  • the operation of the circulation pump and/or the heat exchanger is not limited to, but rather to, the heat exchanger.
  • each of the branch lines is further provided with an adjustable flow rate valve, and the controller is further capable of controlling according to the detection result of the temperature sensor.
  • the opening of the flow valve is further provided with an adjustable flow rate valve.
  • the temperature regulation system further includes a heating device disposed in the main conduit, the heating device for heating the coolant when the temperature is too low. .
  • the object to be cooled is a battery or PCB motherboard.
  • the battery is a power battery of an electric vehicle or a battery in a mobile charging vehicle or a power station for charging and replacing an electric vehicle, and an energy storage device. battery.
  • the coolant is water or an antifreeze mixture of water and ethylene glycol.
  • the coolant storage device is a water tank or an antifreeze tank.
  • the coolant circulation pump is a circulating water pump.
  • the heat exchanger comprises a compressor.
  • the present invention can ensure that the battery of the mobile charging vehicle can adapt to various operating conditions of input and output under various environmental conditions, and the device can be stably and efficiently operated for a long time. At the same time, it can be used for charging work of various models, and application promotion is not limited.
  • the battery control module and the waterway control are connected in parallel. When it is necessary to expand or reduce the water path that is taken out (if the system capacity allows), simply expand the connector and take the corresponding sensor signal from the controller for measurement. Just fine.
  • FIG. 1 is a block diagram showing the structure of a modular and expandable battery temperature regulation system of the present invention
  • FIG. 2 is a block diagram showing the structure of a branch of the modular and expandable battery temperature regulation system of the present invention.
  • the terms “first”, “second”, and “third” are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance.
  • the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed connections, for example, or It is a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the modular and expandable battery temperature regulation system of the present invention is coupled to a plurality of batteries (shown in FIG. 1, battery 1 - battery N) for independently adjusting the plurality of batteries. temperature.
  • the battery temperature regulation system specifically includes an electronic control system, a coolant circulation pump, a heat exchanger, a coolant storage device, and a piping system, the electronic control system and the heat exchanger and/or the coolant circulation pump Connected to control the operation of the heat exchanger and/or the coolant circulation pump.
  • the coolant circulation pump, the heat exchanger, and the coolant storage device are connected in a loop through the piping system.
  • the piping system includes a main line and a plurality of branch lines, each of the batteries being disposed on one of the branch lines.
  • the electronic control system includes a controller and a plurality of temperature sensors (S shown in FIG. 1), each of which is disposed on one of the branch lines in a one-to-one correspondence with each of the batteries.
  • the temperature sensor detects a temperature of the coolant in the branch line and feeds back a signal to the controller, the controller being capable of being
  • the result of the test is used to control the operation of the coolant circulation pump and/or the heat exchanger. Specifically, when the battery temperature is too high, the controller turns on the coolant circulation pump to circulate the coolant through the battery in the corresponding branch line to remove heat from the battery.
  • the controller also opens the heat exchanger, so that the heat-absorbing coolant exchanges heat with the refrigerant in the heat exchanger on the waterway side of the heat exchanger, and thus the temperature of the coolant is lowered, so as to Pumped to the battery in the corresponding branch line by circulation.
  • controller it should be noted that it can be implemented in any suitable hardware, software, or a combination of hardware and software, and can be any type of controller, such as a combinational logic controller, programmable controller, or the like.
  • FIG. 2 is a block diagram of a branch of a modular and expandable battery temperature regulation system of the present invention.
  • each of the branch lines is further provided with a flow valve with adjustable opening degree, and the controller is further capable of controlling the opening degree of the flow valve according to the detection result of the temperature sensor, so as to The temperature of the battery determines the amount of coolant flowing through the battery. It will be readily understood by those skilled in the art that such an arrangement enables temperature management to be independently performed for each battery, thereby maximizing the service life of the single battery.
  • the battery temperature regulation system can also optionally include a heating device disposed in the manifold that is used to heat the coolant when the temperature is too low. For example, when performing a cold start in a cold winter, it is not necessary to cool the battery, but it is necessary to increase the temperature. At this time, the controller can turn off the heat exchanger and simultaneously turn on the heating device and the circulation pump, and the circulation pump causes the heated coolant to flow through the battery of the corresponding branch to raise the temperature of the battery to a working degree.
  • a heating device disposed in the manifold that is used to heat the coolant when the temperature is too low. For example, when performing a cold start in a cold winter, it is not necessary to cool the battery, but it is necessary to increase the temperature.
  • the controller can turn off the heat exchanger and simultaneously turn on the heating device and the circulation pump, and the circulation pump causes the heated coolant to flow through the battery of the corresponding branch to raise the temperature of the battery to a working degree.
  • the battery may be either a power battery of an electric vehicle or a power battery or an energy storage battery on a mobile charging vehicle for charging an electric vehicle.
  • the battery can also be other types of batteries without departing from the basic principles and scope of the invention.
  • the coolant is water and the coolant storage device is a water tank.
  • the coolant circulation pump is a circulating water pump.
  • the coolant may be an antifreeze mixture of water and ethylene glycol.
  • the heat exchanger may include a compressor that compresses the refrigerant by the compressor while cooperating with the condenser (ie, the heat exchanger outdoor side) and the evaporator (ie, the heat exchanger water side) The cooling water is cooled.
  • the condenser ie, the heat exchanger outdoor side
  • the evaporator ie, the heat exchanger water side
  • the cooling water is cooled.
  • the heat exchanger may be in any suitable form, and is not limited to a compressor system, provided that the coolant in the pipeline is cooled.
  • the battery temperature regulation system is connected to a plurality of batteries, and each temperature sensor is disposed on a branch line in a one-to-one correspondence with each battery, and the battery control module and the water channel control are connected in parallel.
  • each temperature sensor is disposed on a branch line in a one-to-one correspondence with each battery, and the battery control module and the water channel control are connected in parallel.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un système de réglage de température modulaire et extensible, de manière à résoudre les problèmes tels qu'une faible efficacité de refroidissement et une haute spécificité dans une solution de refroidissement de batterie existante. Pour atteindre l'objectif, le système de réglage de température de batterie modulaire et extensible est connecté à une pluralité de batteries pour régler la température de la pluralité de batteries. Le système de réglage comprend un système à commande électrique, un échangeur de chaleur, une pompe de circulation de liquide de refroidissement, et un appareil de stockage de liquide de refroidissement. Le système à commande électrique est connecté à l'échangeur de chaleur et/ou à la pompe de circulation de liquide de refroidissement. La pompe de circulation de liquide de refroidissement, l'échangeur de chaleur et l'appareil de stockage de fluide de refroidissement sont connectés en une boucle à l'aide d'un système de tuyau. Le système de tuyau comprend un tuyau principal et une pluralité de branchements. Chaque batterie est disposée sur un branchement. Lorsqu'une voie d'eau introduite doit être étendue ou réduite, seul un connecteur doit être étendu, et un signal de capteur correspondant est introduit à partir d'un dispositif de commande en vue d'une mesure.
PCT/CN2017/110576 2016-11-11 2017-11-10 Système de réglage de température modulaire et extensible WO2018086606A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610995616.6 2016-11-11
CN201610995616.6A CN106972207B (zh) 2016-11-11 2016-11-11 模块化可扩展的温度调节系统

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CN111987384A (zh) * 2020-08-27 2020-11-24 中国华能集团清洁能源技术研究院有限公司 一种集中式储能设备热管理系统及其工作方法
CN112835340A (zh) * 2020-12-31 2021-05-25 徐州科亚机电有限公司 一种自动检测电动车控制器的调测装置及方法
CN112864488A (zh) * 2021-01-12 2021-05-28 上海派能能源科技股份有限公司 一种储能液冷系统装置及其控制方法
CN113645805A (zh) * 2021-07-29 2021-11-12 苏州浪潮智能科技有限公司 一种液冷散热器和服务器
CN113765188A (zh) * 2021-09-13 2021-12-07 阳光电源股份有限公司 电站、充电系统、液冷系统及其控制方法和控制装置
CN114050350A (zh) * 2021-11-29 2022-02-15 安徽安凯汽车股份有限公司 一种空调集成式动力电池液冷系统
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WO2023082912A1 (fr) * 2021-11-11 2023-05-19 宁德时代新能源科技股份有限公司 Dispositif d'accumulation d'énergie

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US20190077275A1 (en) * 2017-09-12 2019-03-14 Sf Motors, Inc. Dynamic cooling control for battery systems
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CN108461870B (zh) * 2018-03-26 2021-10-08 蔚来(安徽)控股有限公司 电池温度控制装置和方法、控制器、存储介质和充换电站
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CN111987384A (zh) * 2020-08-27 2020-11-24 中国华能集团清洁能源技术研究院有限公司 一种集中式储能设备热管理系统及其工作方法
CN111987384B (zh) * 2020-08-27 2022-09-20 中国华能集团清洁能源技术研究院有限公司 一种集中式储能设备热管理系统及其工作方法
CN112835340A (zh) * 2020-12-31 2021-05-25 徐州科亚机电有限公司 一种自动检测电动车控制器的调测装置及方法
CN112864488A (zh) * 2021-01-12 2021-05-28 上海派能能源科技股份有限公司 一种储能液冷系统装置及其控制方法
CN113645805A (zh) * 2021-07-29 2021-11-12 苏州浪潮智能科技有限公司 一种液冷散热器和服务器
CN113645805B (zh) * 2021-07-29 2023-02-24 苏州浪潮智能科技有限公司 一种液冷散热器和服务器
CN113765188A (zh) * 2021-09-13 2021-12-07 阳光电源股份有限公司 电站、充电系统、液冷系统及其控制方法和控制装置
WO2023082912A1 (fr) * 2021-11-11 2023-05-19 宁德时代新能源科技股份有限公司 Dispositif d'accumulation d'énergie
CN114050350A (zh) * 2021-11-29 2022-02-15 安徽安凯汽车股份有限公司 一种空调集成式动力电池液冷系统
CN114375132A (zh) * 2021-11-30 2022-04-19 中国船舶重工集团公司第七一九研究所 用于防凝露的电子器件散热系统及水上机械设备
CN114375132B (zh) * 2021-11-30 2024-04-30 中国船舶重工集团公司第七一九研究所 用于防凝露的电子器件散热系统及水上机械设备

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