CN110048189A - A kind of liquid cooling battery thermal management system and its control method - Google Patents

A kind of liquid cooling battery thermal management system and its control method Download PDF

Info

Publication number
CN110048189A
CN110048189A CN201910334845.7A CN201910334845A CN110048189A CN 110048189 A CN110048189 A CN 110048189A CN 201910334845 A CN201910334845 A CN 201910334845A CN 110048189 A CN110048189 A CN 110048189A
Authority
CN
China
Prior art keywords
battery
liquid cooling
temperature
heat exchanger
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910334845.7A
Other languages
Chinese (zh)
Other versions
CN110048189B (en
Inventor
囤金军
范志先
董开雷
吕平平
于如兴
刘涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongtong Bus Holding Co Ltd
Original Assignee
Zhongtong Bus Holding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongtong Bus Holding Co Ltd filed Critical Zhongtong Bus Holding Co Ltd
Priority to CN201910334845.7A priority Critical patent/CN110048189B/en
Publication of CN110048189A publication Critical patent/CN110048189A/en
Application granted granted Critical
Publication of CN110048189B publication Critical patent/CN110048189B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Automation & Control Theory (AREA)

Abstract

Present disclose provides a kind of liquid cooling battery thermal management system and its control methods, including controller, refrigerating circuit and battery temperature control loop, refrigerating circuit includes compressor, condenser and heat exchanger, one end outlet B of heat exchanger passes through piping connection compressor, one end import A that compressor and condenser pass through piping connection to heat exchanger by piping connection, the outlet of condenser;Battery temperature control loop includes several liquid cooling battery cases, sensor and heater, one end outlet D of heat exchanger passes through piping connection to the heater, the outlet of heater is divided into several branches by pipeline, each branch is controlled by individual flow control valve, and it is connected to one end of corresponding liquid cooling battery case, one end import C that the other end of liquid cooling battery case passes through piping connection to heat exchanger;Temperature sensor is provided at the outlet D and import C of heat exchanger;Controller receives the signal of temperature sensor acquisition, and is electrically connected with compressor, condenser, flow control valve and heater.

Description

A kind of liquid cooling battery thermal management system and its control method
Technical field
This disclosure relates to a kind of liquid cooling battery thermal management system and its control method.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill Art.
With the high speed development of domestic and international electric car industry in recent years, electric car promotes power battery energy density Demand is higher and higher.The thermal safety for how ensureing battery under high-energy density further increases the suitable of the environment of power battery It is the emphasis of battery for electric automobile field of heat management research with property.
Understood according to inventor, currently, battery thermal management mostly uses air-cooled or the natural type of cooling.As the energy content of battery is close The raising of degree, in electric car use process, above-mentioned heat management mode, which can not be fully solved complicated temperature environment, influences battery The problem of performance.And these heat management mode low efficiencys, effect is poor, is unfavorable for high energy density cells in the popularization of electric car Using.Battery charges, and temperature rise is fast, and high temperature leads to charging drop stream, and then the charging time is elongated, and long-time applied at elevated temperature can shadow Ring the cycle life of battery.If the serious excess temperature of battery, results even in battery thermal runaway.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of liquid cooling battery thermal management system and its control method, this public affairs Opening can control effectively to battery temperature, improve the environmental suitability of battery, ensure that the longevity of battery to a certain extent Life.
According to some embodiments, the disclosure is adopted the following technical scheme that
A kind of liquid cooling battery thermal management system, including controller, refrigerating circuit and battery temperature control loop, in which:
The refrigerating circuit includes compressor, condenser and heat exchanger, and one end outlet B of the heat exchanger passes through pipe Road connect compressor, compressor and condenser pass through piping connection to heat exchanger by piping connection, the outlet of condenser One end import A;
The battery temperature control loop includes several liquid cooling battery cases, sensor and heater, the heat exchanger One end exports D by piping connection to the heater, and the outlet of heater is divided into several branches by pipeline, each branch by Individual flow control valve control, and it is connected to one end of corresponding liquid cooling battery case, the other end of the liquid cooling battery case is logical Cross one end import C of piping connection to the heat exchanger;
Temperature sensor is provided at the outlet D and import C of the heat exchanger;
The controller receives the signal of temperature sensor acquisition, and with compressor, condenser, flow control valve and heating Device electrical connection, the signal acquired according to battery temperature in liquid cooling battery case and temperature sensor is to compressor, condenser, flow control Valve and heater processed are controlled.
In above scheme, controller can judge battery refrigeration (or heating) demand, control pressure according to the temperature received The working condition of contracting machine, condenser, flow control valve and heater is able to maintain battery temperature in a preferred range;Together When, the coolant rate of the cooling branch of different batteries can be adjusted, by each battery box temperature by controlling flow control valve opening Difference control is within setting range, it is ensured that the uniformity of battery temperature field distribution.
It is limited as further, each liquid cooling battery case is configured with a battery heating device.
It is limited as further, each branch is connected with several concatenated liquid cooling battery cases.
It is limited as further, the battery temperature control loop further includes water tank and water pump, and the water tank is connected to The company of one end outlet D and heater of the heat exchanger is arranged in one end front end import C of the heat exchanger, the water pump Adapter tube road.
It is limited as further, the water filling port of the water tank has gauze element, and is provided with liquid cooling on the water tank Instruction device, the liquid cooling instruction device and controller.Coolant liquid is preserved in water tank, coolant liquid can be water and be also possible to it He has coolant liquid.
It is limited as further, the water pump is electrically connected with the controller.Addition water pump can be realized entire battery temperature Spend the Rapid Circulation of coolant liquid in control loop.
When the received liquid level information value of controller is lower than setting value, the low alarm of liquid level is carried out.
Certainly, liquid cooling instruction device can select existing liquid level sensor, and including but not limited to floating ball type liquid level senses Device, static pressure type liquid level sensor, this select and set select existing apparatus.
It is limited as further, the surface of the heat exchanger is provided with patch heat-insulation and heat-preservation set.And patch heat-insulation and heat-preservation set Material including but not limited to materials such as aeroge, rubber-plastic sponges.
It is limited as further, one end front end import A of the heat exchanger is provided with electric expansion valve, and electronics is swollen Swollen valve is electrically connected with the controller.
It is limited as further, is provided with fan on the condenser.
As another embodiment, the heat exchanger is parallel with an evaporator, and the evaporator is connected with evaporation wind Machine.
As another embodiment, the heater is ptc heater, is also possible to other assisted heating devices, can To be heated using waste heat.
A kind of electric car, using above-mentioned liquid cooling battery thermal management system.
Refrigeration control method based on above system, controller receive the battery maximum temperature that each liquid cooling battery case is sent And minimum temperature, when satisfaction first imposes a condition, the one or more flow control valves of controller control are fully open, open simultaneously It opens water pump and is recycled by coolant liquid and radiated to each liquid cooling battery case;If battery temperature still rises, when satisfaction second imposes a condition When, compressor is opened in controller control, while controlling the unlatching of electric expansion valve, is forced to coolant liquid refrigeration;Pass through temperature simultaneously The temperature of sensor detection coolant liquid is spent, controller adjusts coolant liquid water outlet by the opening size of adjusting electric expansion valve Temperature, by the control of battery maximum temperature within given threshold, the control of cooling liquid temperature difference at two temperature sensors is being set Determine within range, until battery maximum temperature and minimum temperature drop to third and impose a condition, controller switches off the pump and owns Flow control valve.
Method for heating and controlling based on above system, the battery maximum temperature and minimum that controller real-time reception battery is sent Temperature, when battery is in discharge mode, when meeting the 4th setting condition, battery heating device is opened in controller control, when full When foot the 5th imposes a condition, battery heating device is closed in controller control;
When battery is in external charge mode, when meeting the 6th setting condition, battery heating dress is opened in controller control It sets;When meeting the 7th setting condition, battery heating device is closed in controller control.
Wherein, the first setting condition imposes a condition to the 7th is specifically set according to battery maximum temperature and minimum temperature Threshold range, can be specifically arranged according to situations such as model of specific battery, type, capacity, number, connected load etc..
Compared with prior art, the disclosure has the beneficial effect that
Heat management is optimized to battery temperature, the efficiency of battery thermal management system is improved, energy consumption is effectively reduced, by battery Temperature control controls within setting range in preferred temperature range, the temperature difference, it is ensured that the uniformity of battery temperature field distribution.One Determine the environmental suitability for improving battery in degree, marketization application of the battery on electric car can be promoted.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the direct-fired liquid cooling battery thermal management architecture diagram of battery case of embodiment one;
Fig. 2 be embodiment two be independent PTC heating liquid cooling battery thermal management architecture diagram;
Fig. 3 is to heat architecture diagram using the auxiliary of vehicle waste heat for embodiment three;
Fig. 4 is battery refrigerating circuit and the whole-vehicle air-conditioner integrated support composition of example IV;
Fig. 5 is refrigeration control logic chart;
Fig. 6 is computer heating control logic chart.
Specific embodiment:
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Specific embodiment describes " 1 " used, " 2 ", " A ", " B ", " C ", D ", " preceding ", " rear " "upper", "lower", " left side ", The serial numbers such as the right side ", "front", "rear", letter, the word for indicating direction or positional relationship, merely to of the invention simplifying describes, and It is not intended to limit the present invention.
As shown in Figure 1, embodiment one, a kind of liquid cooling battery thermal management system comprising controller, compressor, condenser, Fan, electric expansion valve, heat exchanger, sensor, water pump, water tank, flow control valve, refrigerant line, coolant line with And battery case and battery heating device with liquid cooling function.The compressor, condenser, electric expansion valve, heat exchanger A connect Mouth and B interface connect into refrigerating circuit by refrigerant line;The heat exchanger C interface and D interface, sensor 1, water Pump, flow control valve, liquid cooling battery case, sensor 2 connect into battery temperature control loop by coolant line.The flow Control valve is arranged on each battery liquid cooling branch, and controller can be by the opening value of control valve, and the flow for adjusting coolant liquid is big It is small.Each battery liquid cooling branch can connect 1~3 liquid cooling battery case;Liquid cooling battery case is provided with heating device.The fan peace On condenser.
Heat exchanger, surface mount heat-insulating heat-preserving material, thermal insulation material is including but not limited to aeroge, rubber-plastic sponge etc. Material.
Sensor 1 acquires the temperature of coolant liquid at heat exchanger nozzle C, is transmitted to controller processing;Sensor 2, is adopted The temperature for collecting coolant liquid at heat exchanger tube mouth D is transmitted to controller processing.
Water tank, water filling port have gauze element;It has liquid cooling instruction device, liquid level information can be passed to controller; When the received liquid level information value of controller is lower than setting value, the low alarm of liquid level is carried out.The flow control valve has flow Real time monitoring function and uninterrupted regulatory function.
Battery heating device is integrated into battery case.When battery needs to heat, controller controls heating function and opens, directly It connects and is heated to battery modules.
As shown in Fig. 2, the cooling heat management structure of the battery of embodiment two and the same Fig. 1 of technical solution, this will not be detailed here.It adopts It is the indirect heating manner of difference with Fig. 1 with heating method.Battery heating device described in Fig. 2 is independent ptc heater, setting On liquid cooling pipeline trunk roads, and it is located at the front of all battery cases of coolant liquid flow direction.Coolant liquid is added by ptc heater Heat recycles coolant liquid to 20 DEG C, by water pump, is heated by the coolant liquid after heating to battery.
As shown in figure 3, the battery thermal management structure of embodiment three and the same Fig. 1 of technical solution, this will not be detailed here.Difference with The case study on implementation of Fig. 1 is to be provided with assisted heating device and vehicle waste-heat circuit.Vehicle waste-heat circuit is arranged one Water pump 2 and solenoid valve are connect by pipeline with assisted heating device.The assisted heating device is a kind of heat exchanger, is utilized The preheating heated cooling fluid of vehicle heat source is heated to battery.Plug-in hybrid-power automobile or stroke lengthening hybrid power automobile, it is whole Vehicle waste heat heat source is one such or various engines cooling water, tail gas heating heat source or driving motor cooling water;Pure electricity Electrical automobile, vehicle waste heat heat source can be with driving motor cooling waters;Fuel cell car, vehicle waste heat heat source be it is one such or Cooling water, the cooling water of fuel cell of a variety of driving motors.
As shown in figure 4, the framework embodiment that example IV provides battery refrigerating circuit and whole-vehicle air-conditioner integrates, the present embodiment Including compressor, condenser, condenser fan, evaporator, evaporating fan, electric expansion valve 1, electric expansion valve 2, heat exchanger, Sensor 1 and sensor 2.Condenser fan is mounted on condenser, and condenser fan is a kind of aerofoil fan;Evaporating fan is mounted on On evaporator, evaporating fan is a kind of centrifugal fan;Compressor, condenser, condenser fan, evaporator, evaporating fan, electronics The refrigerating circuit of the composition passenger compartment of expansion valve 1;Compressor, condenser, condenser fan, electric expansion valve 2, heat exchanger, sensing Device 1 and sensor 2 form the refrigerating circuit of battery.This embodiment can effectively save vehicle space, convenient for arrangement.
In above-described embodiment, controller receives the temperature of the battery case, judges battery refrigeration (or heating) demand, control The components some or certain such as water pump, compressor, electric expansion valve, flow control valve (or heating device) are several or work at the same time, will Battery temperature is controlled in 20~40 DEG C of optimum temperature ranges;Simultaneously by control flow control valve opening, it is cold to adjust different batteries But the coolant rate of branch, by the control of the battery temperature difference within 5 DEG C, it is ensured that the uniformity of battery temperature field distribution.The present invention Optimized control can be carried out to battery temperature, improve the environmental suitability of battery, promote market of the battery on electric car Change application.
As shown in figure 5, a kind of controlling party of liquid cooling battery thermal management system general to example IV as embodiment one Method, refrigerating mode control logic are as follows: the battery maximum temperature T_max and minimum temperature T_ that controller real-time reception battery is sent min.When T_max >=30 DEG C andHeat management system enters " self-loopa mode " controller and controls one Or multiple flow control valves are fully open, flow control valve opening 100%, while opening water pump and being recycled by coolant liquid to battery Case heat dissipation.
Further, if battery temperature still rises, when T_max >=35 DEG C andController control is opened Compressor and fan are opened, while controlling the unlatching of electric expansion valve, is forced to coolant liquid refrigeration;Pass through sensor 1 and biography simultaneously The temperature of the detection coolant liquid of sensor 2.Controller adjusts the temperature of coolant liquid water outlet by the opening size of adjusting electric expansion valve Degree, by the control of battery maximum temperature within 40 DEG C, the cooling liquid temperature difference at sensor 1 and sensor 2 is controlled within 8 DEG C.
Further, after opening forced refrigeration mode, battery temperature decline, when T_max≤30 DEG C or Controller controls compressor shutdown, while controlling electric expansion valve closing, and heat management system returns to " self-loopa mould Formula ";When T_max≤28 DEG C orController switches off the pump and all flow control valves, heat management system System is shut down.
As shown in fig. 6, can be shared as embodiment one to example IV, a kind of battery charging heating heat management control Mode, logic control are as follows: the battery maximum temperature T_max and minimum temperature T_ that the controller real-time reception battery is sent min.Battery is in discharge mode, when T_min≤10 DEG C and Battery heating is opened in controller control Device;When T_min >=20 DEG C orBattery heating device is closed in controller control.Battery is in external Charge mode, when T_min≤15 DEG C andBattery heating device is opened in controller control;Work as T_min >=20 DEG C or Battery heating device is closed in controller control.
Threshold value is compared in the setting of specific battery maximum temperature T_max and minimum temperature T_min in above-described embodiment, at it In his embodiment, it can be adjusted or become depending on concrete conditions such as the model of specific battery, type, capacity, number, connected loads More.Above-mentioned to be changed to what those skilled in the art were readily apparent that, details are not described herein, but ought to belong to the protection model of the disclosure It encloses.
It should be understood by those skilled in the art that, embodiment of the disclosure can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the disclosure Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the disclosure, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The disclosure is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present disclosure Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.

Claims (10)

1. a kind of liquid cooling battery thermal management system, it is characterized in that: including controller, refrigerating circuit and battery temperature control loop, Wherein:
The refrigerating circuit includes compressor, condenser and heat exchanger, and one end outlet B of the heat exchanger is connected by pipeline Compressor, compressor and condenser are connect by piping connection, the outlet of condenser passes through piping connection to one end of heat exchanger Import A;
The battery temperature control loop includes several liquid cooling battery cases, sensor and heater, one end of the heat exchanger D is exported by piping connection to the heater, the outlet of heater is divided into several branches by pipeline, and each branch is by independent Flow control valve control, and be connected to one end of corresponding liquid cooling battery case, the other end of the liquid cooling battery case passes through pipe Road is connected to one end import C of the heat exchanger;
Temperature sensor is provided at the outlet D and import C of the heat exchanger;
The controller receives the signal of temperature sensor acquisition, and electric with compressor, condenser, flow control valve and heater Connection, the signal acquired according to battery temperature in liquid cooling battery case and temperature sensor is to compressor, condenser, flow control valve It is controlled with heater.
2. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: each liquid cooling battery case is configured with one Battery heating device.
3. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: each branch is connected with several series connection Liquid cooling battery case.
4. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: the battery temperature control loop is also Including water tank and water pump, the water tank is connected to one end front end import C of the heat exchanger, and the water pump is arranged in the heat On one end outlet D of exchanger and the connecting line of heater;
Or, the water filling port of the water tank has gauze element, and liquid cooling instruction device is provided on the water tank, the liquid cooling instruction Device and controller;
Or, the water pump is electrically connected with the controller.
5. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: the surface of the heat exchanger is arranged There is patch heat-insulation and heat-preservation set.
6. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: one end import of the heat exchanger The front end A is provided with electric expansion valve, and electric expansion valve is electrically connected with the controller.
7. a kind of liquid cooling battery thermal management system as described in claim 1, it is characterized in that: the heat exchanger is parallel with a steaming Device is sent out, the evaporator is connected with evaporation fan;
Or, the heater is ptc heater.
8. a kind of electric car, using liquid cooling battery thermal management system such as of any of claims 1-7.
9. based on the refrigeration control method of system of any of claims 1-7, it is characterized in that: controller reception is each Liquid cooling battery case send battery maximum temperature and minimum temperature, when satisfaction first impose a condition when, controller control one or Multiple flow control valves are fully open, while opening water pump and being recycled by coolant liquid and being radiated to each liquid cooling battery case;If battery Temperature still rises, and when satisfaction second imposes a condition, compressor is opened in controller control, while controlling opening for electric expansion valve It opens, is forced to coolant liquid refrigeration;The temperature of coolant liquid is detected by temperature sensor simultaneously, controller is by adjusting electronic expansion The opening size of valve adjusts the temperature of coolant liquid water outlet, by the control of battery maximum temperature within given threshold, two temperature Cooling liquid temperature difference at sensor controls within setting range, until battery maximum temperature and minimum temperature drop to third and set Fixed condition, controller switches off the pump and all flow control valves.
10. based on the method for heating and controlling of system of any of claims 1-7, it is characterized in that: controller connects in real time Battery maximum temperature and minimum temperature that battery is sent are received, when battery is in discharge mode, when meeting the 4th setting condition, control Battery heating device is opened in device control processed, and when meeting the 5th setting condition, battery heating device is closed in controller control;
When battery is in external charge mode, when meeting the 6th setting condition, battery heating device is opened in controller control;When When meeting the 7th setting condition, battery heating device is closed in controller control.
CN201910334845.7A 2019-04-24 2019-04-24 Liquid-cooled battery thermal management system and control method thereof Active CN110048189B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910334845.7A CN110048189B (en) 2019-04-24 2019-04-24 Liquid-cooled battery thermal management system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910334845.7A CN110048189B (en) 2019-04-24 2019-04-24 Liquid-cooled battery thermal management system and control method thereof

Publications (2)

Publication Number Publication Date
CN110048189A true CN110048189A (en) 2019-07-23
CN110048189B CN110048189B (en) 2020-07-17

Family

ID=67279111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910334845.7A Active CN110048189B (en) 2019-04-24 2019-04-24 Liquid-cooled battery thermal management system and control method thereof

Country Status (1)

Country Link
CN (1) CN110048189B (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111370812A (en) * 2020-02-21 2020-07-03 吉利汽车研究院(宁波)有限公司 Battery heating control method, device and system and storage medium
CN111786049A (en) * 2020-07-09 2020-10-16 大连理工大学 Two-phase immersed cooling system with multi-module sharing one condensation cavity for battery cooling
CN111993884A (en) * 2020-08-25 2020-11-27 一汽解放青岛汽车有限公司 Hybrid vehicle thermal management system and hybrid vehicle thermal management method
CN112038731A (en) * 2020-07-30 2020-12-04 东风时代(武汉)电池***有限公司 Battery temperature control method, battery management controller, system and automobile
CN112186301A (en) * 2020-09-29 2021-01-05 安徽江淮汽车集团股份有限公司 Temperature control method of liquid-cooled battery pack, electric vehicle and readable storage medium
CN112566443A (en) * 2019-09-25 2021-03-26 华为技术有限公司 Vehicle temperature control system
CN112820979A (en) * 2021-01-15 2021-05-18 一汽解放汽车有限公司 Power battery thermal management system and power battery thermal management control method
CN112864488A (en) * 2021-01-12 2021-05-28 上海派能能源科技股份有限公司 Energy storage liquid cooling system device and control method thereof
CN112996354A (en) * 2021-02-08 2021-06-18 哈尔滨工业大学 Control method for simulated electric load heat dissipation water circulation system
CN113488718A (en) * 2021-06-23 2021-10-08 东风汽车股份有限公司 Battery temperature control system of hybrid electric vehicle and control method thereof
CN113597215A (en) * 2021-07-29 2021-11-02 苏州浪潮智能科技有限公司 System, method and device for adjusting flow of parallel branch of two-phase cold plate liquid cooling system
CN114442693A (en) * 2021-12-31 2022-05-06 北京京仪自动化装备技术股份有限公司 Coupling temperature control system and method
CN114489176A (en) * 2021-12-31 2022-05-13 北京京仪自动化装备技术股份有限公司 Coupling temperature control system and method
CN114655079A (en) * 2022-04-29 2022-06-24 重庆长安新能源汽车科技有限公司 System for delaying thermal runaway spread of battery pack, control method and automobile
CN116666838A (en) * 2023-07-31 2023-08-29 四川沃轮电气制造有限公司 Thermal management method of liquid-cooled energy storage system
CN117059835A (en) * 2023-09-01 2023-11-14 毫厘机电(苏州)有限公司 Temperature control system for energy storage battery

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106876822A (en) * 2017-03-10 2017-06-20 上海鼎研智能科技有限公司 A kind of power battery thermal management system and its control method
CN206349472U (en) * 2016-12-23 2017-07-21 比亚迪股份有限公司 A kind of many battery pouring-basket cooling systems and its automobile
CN108376808A (en) * 2018-01-24 2018-08-07 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of automobile batteries temperature-adjusting device
CN108482067A (en) * 2018-05-21 2018-09-04 上海思致汽车工程技术有限公司 A kind of energy-saving multiloop thermal management system of electric automobile
WO2018188858A1 (en) * 2017-04-10 2018-10-18 Ford Global Technologies, Llc Method for de-icing an external-air heat exchanger of a motor vehicle air-conditioning system with a heat pump, and motor vehicle air-conditioning system for carrying out the method
CN109599623A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The humidity control system of on-vehicle battery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206349472U (en) * 2016-12-23 2017-07-21 比亚迪股份有限公司 A kind of many battery pouring-basket cooling systems and its automobile
CN106876822A (en) * 2017-03-10 2017-06-20 上海鼎研智能科技有限公司 A kind of power battery thermal management system and its control method
WO2018188858A1 (en) * 2017-04-10 2018-10-18 Ford Global Technologies, Llc Method for de-icing an external-air heat exchanger of a motor vehicle air-conditioning system with a heat pump, and motor vehicle air-conditioning system for carrying out the method
CN109599623A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The humidity control system of on-vehicle battery
CN108376808A (en) * 2018-01-24 2018-08-07 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of automobile batteries temperature-adjusting device
CN108482067A (en) * 2018-05-21 2018-09-04 上海思致汽车工程技术有限公司 A kind of energy-saving multiloop thermal management system of electric automobile

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112566443A (en) * 2019-09-25 2021-03-26 华为技术有限公司 Vehicle temperature control system
CN112566443B (en) * 2019-09-25 2022-06-28 华为技术有限公司 Vehicle temperature control system
CN111370812B (en) * 2020-02-21 2022-01-14 吉利汽车研究院(宁波)有限公司 Battery heating control method, device and system and storage medium
CN111370812A (en) * 2020-02-21 2020-07-03 吉利汽车研究院(宁波)有限公司 Battery heating control method, device and system and storage medium
CN111786049A (en) * 2020-07-09 2020-10-16 大连理工大学 Two-phase immersed cooling system with multi-module sharing one condensation cavity for battery cooling
CN111786049B (en) * 2020-07-09 2024-05-07 大连理工大学 Two-phase immersed cooling system with multiple modules sharing one condensing cavity for battery cooling
CN112038731A (en) * 2020-07-30 2020-12-04 东风时代(武汉)电池***有限公司 Battery temperature control method, battery management controller, system and automobile
CN111993884A (en) * 2020-08-25 2020-11-27 一汽解放青岛汽车有限公司 Hybrid vehicle thermal management system and hybrid vehicle thermal management method
CN111993884B (en) * 2020-08-25 2021-11-23 一汽解放青岛汽车有限公司 Hybrid vehicle thermal management system and hybrid vehicle thermal management method
CN112186301A (en) * 2020-09-29 2021-01-05 安徽江淮汽车集团股份有限公司 Temperature control method of liquid-cooled battery pack, electric vehicle and readable storage medium
CN112186301B (en) * 2020-09-29 2022-02-15 安徽江淮汽车集团股份有限公司 Temperature control method of liquid-cooled battery pack, electric vehicle and readable storage medium
CN112864488A (en) * 2021-01-12 2021-05-28 上海派能能源科技股份有限公司 Energy storage liquid cooling system device and control method thereof
CN112820979A (en) * 2021-01-15 2021-05-18 一汽解放汽车有限公司 Power battery thermal management system and power battery thermal management control method
CN112996354A (en) * 2021-02-08 2021-06-18 哈尔滨工业大学 Control method for simulated electric load heat dissipation water circulation system
CN113488718A (en) * 2021-06-23 2021-10-08 东风汽车股份有限公司 Battery temperature control system of hybrid electric vehicle and control method thereof
CN113597215A (en) * 2021-07-29 2021-11-02 苏州浪潮智能科技有限公司 System, method and device for adjusting flow of parallel branch of two-phase cold plate liquid cooling system
CN114489176A (en) * 2021-12-31 2022-05-13 北京京仪自动化装备技术股份有限公司 Coupling temperature control system and method
CN114442693A (en) * 2021-12-31 2022-05-06 北京京仪自动化装备技术股份有限公司 Coupling temperature control system and method
CN114655079A (en) * 2022-04-29 2022-06-24 重庆长安新能源汽车科技有限公司 System for delaying thermal runaway spread of battery pack, control method and automobile
CN116666838A (en) * 2023-07-31 2023-08-29 四川沃轮电气制造有限公司 Thermal management method of liquid-cooled energy storage system
CN116666838B (en) * 2023-07-31 2023-12-15 四川沃轮电气制造有限公司 Thermal management method of liquid-cooled energy storage system
CN117059835A (en) * 2023-09-01 2023-11-14 毫厘机电(苏州)有限公司 Temperature control system for energy storage battery
CN117059835B (en) * 2023-09-01 2024-03-15 毫厘机电(苏州)有限公司 Temperature control system for energy storage battery

Also Published As

Publication number Publication date
CN110048189B (en) 2020-07-17

Similar Documents

Publication Publication Date Title
CN110048189A (en) A kind of liquid cooling battery thermal management system and its control method
CN106004336B (en) A kind of thermal management system of whole of mixed electrical automobile
CN202076386U (en) Battery temperature management system and automobile
CN105720318B (en) A kind of the liquid cooling battery system and its temprature control method of new-energy automobile
CN102610838B (en) Thermal management system of fuel cell, fuel cell system, and vehicle with the fuel cell system
CN108539327B (en) Power battery liquid heating system based on liquid cooling system and control method thereof
CN103490120B (en) A kind of battery thermal management system of electric automobile and method
CN108346841B (en) Power battery temperature control system and method
CN107196013A (en) Commercial car power battery thermal management system
CN206250358U (en) Battery temperature control
CN106229574A (en) Cooling method and system for battery pack
CN206236758U (en) The humidity control system of modular extendable
CN108263233A (en) Vehicle cooling system and vehicle
CN206364154U (en) A kind of heat abstractor of the cold battery case of electric vehicle liquid
CN106785198A (en) A kind of battery cooling control method and system
CN113193267A (en) Battery pack liquid cooling system and water temperature control method thereof
CN207942903U (en) A kind of electric motor coach thermal management system of whole and vehicle
CN109921142A (en) A kind of temperature control system of the mixed electrical automobile battery with integrated function plate
CN109004293A (en) Power battery liquid cooling system thermal management module large and small cycles control method
CN209401800U (en) Power battery of pure electric automobile heat management system
CN209607877U (en) One kind being based on bicirculating power battery pack heat management system
CN208889808U (en) A kind of BMS heat management system
CN104409794A (en) Temperature management device of power battery pack of electric automobile, as well as manufacture method and application method thereof
CN207677039U (en) A kind of water-cooled battery temperature regulating device
CN216903111U (en) Hybrid external cooling system for energy storage battery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province

Patentee after: Zhongtong bus Limited by Share Ltd.

Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province

Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd.